/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/Problem11_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 13:13:09,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 13:13:09,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 13:13:09,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 13:13:09,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 13:13:09,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 13:13:09,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 13:13:09,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 13:13:09,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 13:13:09,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 13:13:09,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 13:13:09,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 13:13:09,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 13:13:09,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 13:13:09,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 13:13:09,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 13:13:09,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 13:13:09,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 13:13:09,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 13:13:09,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 13:13:09,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 13:13:09,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 13:13:09,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 13:13:09,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 13:13:09,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 13:13:09,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 13:13:09,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 13:13:09,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 13:13:09,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 13:13:09,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 13:13:09,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 13:13:09,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 13:13:09,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 13:13:09,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 13:13:09,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 13:13:09,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 13:13:09,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 13:13:09,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 13:13:09,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 13:13:09,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 13:13:09,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 13:13:09,137 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 13:13:09,176 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 13:13:09,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 13:13:09,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 13:13:09,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 13:13:09,179 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 13:13:09,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 13:13:09,180 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 13:13:09,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 13:13:09,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 13:13:09,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 13:13:09,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 13:13:09,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 13:13:09,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 13:13:09,183 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 13:13:09,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 13:13:09,183 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 13:13:09,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 13:13:09,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 13:13:09,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 13:13:09,184 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 13:13:09,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 13:13:09,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:13:09,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 13:13:09,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 13:13:09,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 13:13:09,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 13:13:09,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 13:13:09,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 13:13:09,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 13:13:09,186 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 13:13:09,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 13:13:09,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 13:13:09,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 13:13:09,557 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 13:13:09,558 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 13:13:09,559 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label38.c [2020-10-12 13:13:09,640 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/987123911/0c7d34e1bf6c44b38398976e71651f63/FLAG1c15cf691 [2020-10-12 13:13:10,305 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 13:13:10,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label38.c [2020-10-12 13:13:10,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/987123911/0c7d34e1bf6c44b38398976e71651f63/FLAG1c15cf691 [2020-10-12 13:13:10,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/987123911/0c7d34e1bf6c44b38398976e71651f63 [2020-10-12 13:13:10,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 13:13:10,535 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 13:13:10,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 13:13:10,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 13:13:10,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 13:13:10,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:13:10" (1/1) ... [2020-10-12 13:13:10,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42dfe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:13:10, skipping insertion in model container [2020-10-12 13:13:10,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:13:10" (1/1) ... [2020-10-12 13:13:10,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 13:13:10,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 13:13:11,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:13:11,508 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 13:13:11,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:13:11,726 INFO L208 MainTranslator]: Completed translation [2020-10-12 13:13:11,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:13:11 WrapperNode [2020-10-12 13:13:11,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 13:13:11,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 13:13:11,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 13:13:11,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 13:13:11,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:13:11" (1/1) ... [2020-10-12 13:13:11,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:13:11" (1/1) ... [2020-10-12 13:13:11,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:13:11" (1/1) ... [2020-10-12 13:13:11,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:13:11" (1/1) ... [2020-10-12 13:13:11,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:13:11" (1/1) ... [2020-10-12 13:13:11,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:13:11" (1/1) ... [2020-10-12 13:13:11,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:13:11" (1/1) ... [2020-10-12 13:13:11,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 13:13:11,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 13:13:11,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 13:13:11,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 13:13:11,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:13:11" (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 13:13:11,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 13:13:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 13:13:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 13:13:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 13:13:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 13:13:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 13:13:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 13:13:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 13:13:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 13:13:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 13:13:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 13:13:13,938 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 13:13:13,938 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 13:13:13,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:13:13 BoogieIcfgContainer [2020-10-12 13:13:13,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 13:13:13,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 13:13:13,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 13:13:13,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 13:13:13,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 01:13:10" (1/3) ... [2020-10-12 13:13:13,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7ca375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:13:13, skipping insertion in model container [2020-10-12 13:13:13,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:13:11" (2/3) ... [2020-10-12 13:13:13,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7ca375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:13:13, skipping insertion in model container [2020-10-12 13:13:13,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:13:13" (3/3) ... [2020-10-12 13:13:13,955 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label38.c [2020-10-12 13:13:13,967 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 13:13:13,975 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 13:13:13,991 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 13:13:14,019 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 13:13:14,020 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 13:13:14,020 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 13:13:14,020 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 13:13:14,020 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 13:13:14,020 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 13:13:14,021 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 13:13:14,021 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 13:13:14,047 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-12 13:13:14,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-12 13:13:14,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:14,060 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] [2020-10-12 13:13:14,060 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:14,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:14,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1782601651, now seen corresponding path program 1 times [2020-10-12 13:13:14,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:14,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [117719838] [2020-10-12 13:13:14,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:14,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:14,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:14,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:13:14,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:14,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 470 [2020-10-12 13:13:14,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:14,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:13:14,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:13:14,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-12 13:13:14,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 13:13:14,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:14,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:14,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:14,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:14,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:14,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 13:13:14,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:14,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:14,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:14,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:13:14,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:15,005 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 13:13:15,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [117719838] [2020-10-12 13:13:15,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:13:15,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 13:13:15,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699856076] [2020-10-12 13:13:15,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 13:13:15,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:15,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 13:13:15,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 13:13:15,032 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-12 13:13:17,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:17,292 INFO L93 Difference]: Finished difference Result 806 states and 1404 transitions. [2020-10-12 13:13:17,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:13:17,294 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2020-10-12 13:13:17,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:17,314 INFO L225 Difference]: With dead ends: 806 [2020-10-12 13:13:17,315 INFO L226 Difference]: Without dead ends: 434 [2020-10-12 13:13:17,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:13:17,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-12 13:13:17,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 428. [2020-10-12 13:13:17,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2020-10-12 13:13:17,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 617 transitions. [2020-10-12 13:13:17,413 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 617 transitions. Word has length 66 [2020-10-12 13:13:17,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:17,414 INFO L479 AbstractCegarLoop]: Abstraction has 428 states and 617 transitions. [2020-10-12 13:13:17,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 13:13:17,415 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 617 transitions. [2020-10-12 13:13:17,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-12 13:13:17,425 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:17,425 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, 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] [2020-10-12 13:13:17,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 13:13:17,426 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:17,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:17,427 INFO L82 PathProgramCache]: Analyzing trace with hash -113033966, now seen corresponding path program 1 times [2020-10-12 13:13:17,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:17,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [197556695] [2020-10-12 13:13:17,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:17,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:17,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:18,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:19,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:19,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 13:13:19,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:13:19,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1862 [2020-10-12 13:13:19,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:19,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:13:19,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:13:19,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 13:13:19,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 13:13:19,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:19,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:19,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:19,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:19,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:19,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 13:13:19,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:19,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:19,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:13:19,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:19,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:19,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:19,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:19,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 13:13:19,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:19,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-12 13:13:19,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:19,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:19,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:13:19,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 13:13:19,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:19,809 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:13:19,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [197556695] [2020-10-12 13:13:19,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:13:19,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 13:13:19,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282320912] [2020-10-12 13:13:19,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:13:19,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:19,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:13:19,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:13:19,814 INFO L87 Difference]: Start difference. First operand 428 states and 617 transitions. Second operand 7 states. [2020-10-12 13:13:22,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:22,432 INFO L93 Difference]: Finished difference Result 1276 states and 1888 transitions. [2020-10-12 13:13:22,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:13:22,433 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2020-10-12 13:13:22,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:22,442 INFO L225 Difference]: With dead ends: 1276 [2020-10-12 13:13:22,442 INFO L226 Difference]: Without dead ends: 854 [2020-10-12 13:13:22,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:13:22,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2020-10-12 13:13:22,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 821. [2020-10-12 13:13:22,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2020-10-12 13:13:22,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1136 transitions. [2020-10-12 13:13:22,500 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1136 transitions. Word has length 138 [2020-10-12 13:13:22,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:22,500 INFO L479 AbstractCegarLoop]: Abstraction has 821 states and 1136 transitions. [2020-10-12 13:13:22,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:13:22,501 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1136 transitions. [2020-10-12 13:13:22,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-12 13:13:22,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:22,505 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:13:22,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 13:13:22,505 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:22,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:22,506 INFO L82 PathProgramCache]: Analyzing trace with hash -843469074, now seen corresponding path program 1 times [2020-10-12 13:13:22,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:22,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [933906433] [2020-10-12 13:13:22,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:22,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:22,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:22,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:23,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:23,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-12 13:13:23,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:13:23,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1287 [2020-10-12 13:13:23,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:23,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:13:23,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:13:23,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-12 13:13:23,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:23,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:23,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:23,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:23,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:23,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:23,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 13:13:23,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:23,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:23,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:23,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:13:23,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:23,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:23,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:24,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:24,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 13:13:24,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:24,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-12 13:13:24,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:24,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:24,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:13:24,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 13:13:24,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:24,252 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:13:24,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [933906433] [2020-10-12 13:13:24,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:13:24,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 13:13:24,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611624532] [2020-10-12 13:13:24,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:13:24,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:24,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:13:24,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:13:24,255 INFO L87 Difference]: Start difference. First operand 821 states and 1136 transitions. Second operand 7 states. [2020-10-12 13:13:26,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:26,714 INFO L93 Difference]: Finished difference Result 2053 states and 2808 transitions. [2020-10-12 13:13:26,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 13:13:26,720 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2020-10-12 13:13:26,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:26,731 INFO L225 Difference]: With dead ends: 2053 [2020-10-12 13:13:26,731 INFO L226 Difference]: Without dead ends: 1238 [2020-10-12 13:13:26,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-12 13:13:26,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2020-10-12 13:13:26,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1219. [2020-10-12 13:13:26,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1219 states. [2020-10-12 13:13:26,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1616 transitions. [2020-10-12 13:13:26,798 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1616 transitions. Word has length 140 [2020-10-12 13:13:26,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:26,798 INFO L479 AbstractCegarLoop]: Abstraction has 1219 states and 1616 transitions. [2020-10-12 13:13:26,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:13:26,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1616 transitions. [2020-10-12 13:13:26,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-12 13:13:26,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:26,802 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, 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] [2020-10-12 13:13:26,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 13:13:26,803 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:26,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:26,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1165670593, now seen corresponding path program 1 times [2020-10-12 13:13:26,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:26,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [344383262] [2020-10-12 13:13:26,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:26,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:27,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:27,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:27,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-12 13:13:27,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:13:27,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 802 [2020-10-12 13:13:27,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:27,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:13:27,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:13:27,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-12 13:13:27,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:27,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:27,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:27,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:27,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:27,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:27,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 13:13:27,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:27,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:27,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:27,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:13:27,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 13:13:27,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:27,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:27,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:27,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-12 13:13:27,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:27,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-12 13:13:27,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:27,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:27,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:13:27,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 13:13:27,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:27,971 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:13:27,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [344383262] [2020-10-12 13:13:27,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:13:27,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 13:13:27,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900384385] [2020-10-12 13:13:27,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:13:27,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:27,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:13:27,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:13:27,976 INFO L87 Difference]: Start difference. First operand 1219 states and 1616 transitions. Second operand 7 states. [2020-10-12 13:13:30,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:30,651 INFO L93 Difference]: Finished difference Result 3295 states and 4528 transitions. [2020-10-12 13:13:30,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:13:30,652 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 141 [2020-10-12 13:13:30,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:30,661 INFO L225 Difference]: With dead ends: 3295 [2020-10-12 13:13:30,661 INFO L226 Difference]: Without dead ends: 2082 [2020-10-12 13:13:30,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:13:30,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2082 states. [2020-10-12 13:13:30,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2082 to 2028. [2020-10-12 13:13:30,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2028 states. [2020-10-12 13:13:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 2028 states and 2585 transitions. [2020-10-12 13:13:30,729 INFO L78 Accepts]: Start accepts. Automaton has 2028 states and 2585 transitions. Word has length 141 [2020-10-12 13:13:30,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:30,730 INFO L479 AbstractCegarLoop]: Abstraction has 2028 states and 2585 transitions. [2020-10-12 13:13:30,730 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:13:30,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 2585 transitions. [2020-10-12 13:13:30,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-12 13:13:30,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:30,734 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:13:30,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 13:13:30,735 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:30,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:30,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1058145828, now seen corresponding path program 1 times [2020-10-12 13:13:30,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:30,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2134347099] [2020-10-12 13:13:30,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:30,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:31,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:31,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-12 13:13:31,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:31,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-10-12 13:13:31,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:31,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:31,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 13:13:31,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-12 13:13:31,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:31,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:31,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:31,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:31,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:31,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:31,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 13:13:31,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:31,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:31,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:31,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:31,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:31,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:31,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:31,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:31,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:13:31,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:31,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-12 13:13:31,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:31,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:31,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:31,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 13:13:31,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:31,442 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:13:31,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2134347099] [2020-10-12 13:13:31,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:13:31,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:13:31,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655715414] [2020-10-12 13:13:31,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:13:31,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:31,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:13:31,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:13:31,445 INFO L87 Difference]: Start difference. First operand 2028 states and 2585 transitions. Second operand 5 states. [2020-10-12 13:13:33,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:33,395 INFO L93 Difference]: Finished difference Result 4851 states and 6371 transitions. [2020-10-12 13:13:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:13:33,396 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 197 [2020-10-12 13:13:33,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:33,413 INFO L225 Difference]: With dead ends: 4851 [2020-10-12 13:13:33,413 INFO L226 Difference]: Without dead ends: 3017 [2020-10-12 13:13:33,419 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:13:33,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2020-10-12 13:13:33,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2806. [2020-10-12 13:13:33,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2806 states. [2020-10-12 13:13:33,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2806 states and 3558 transitions. [2020-10-12 13:13:33,506 INFO L78 Accepts]: Start accepts. Automaton has 2806 states and 3558 transitions. Word has length 197 [2020-10-12 13:13:33,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:33,509 INFO L479 AbstractCegarLoop]: Abstraction has 2806 states and 3558 transitions. [2020-10-12 13:13:33,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:13:33,509 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 3558 transitions. [2020-10-12 13:13:33,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-10-12 13:13:33,514 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:33,515 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:33,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 13:13:33,515 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:33,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:33,516 INFO L82 PathProgramCache]: Analyzing trace with hash 208995687, now seen corresponding path program 1 times [2020-10-12 13:13:33,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:33,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2091278306] [2020-10-12 13:13:33,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:33,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:33,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:34,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:36,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:36,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-12 13:13:36,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:13:36,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2416 [2020-10-12 13:13:36,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:36,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:36,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 13:13:36,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 13:13:36,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:36,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:36,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:36,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:36,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:36,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:36,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:13:36,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:36,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:36,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:36,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:36,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:36,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:36,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:36,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:36,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:13:36,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:36,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-12 13:13:36,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-12 13:13:36,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:36,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:13:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:36,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:36,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:36,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 13:13:36,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:36,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-12 13:13:36,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:36,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:13:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 13:13:36,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:36,726 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:13:36,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2091278306] [2020-10-12 13:13:36,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:13:36,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:13:36,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304499775] [2020-10-12 13:13:36,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:13:36,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:36,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:13:36,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:13:36,731 INFO L87 Difference]: Start difference. First operand 2806 states and 3558 transitions. Second operand 7 states. [2020-10-12 13:13:39,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:39,898 INFO L93 Difference]: Finished difference Result 7780 states and 10194 transitions. [2020-10-12 13:13:39,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:13:39,904 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 256 [2020-10-12 13:13:39,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:39,931 INFO L225 Difference]: With dead ends: 7780 [2020-10-12 13:13:39,931 INFO L226 Difference]: Without dead ends: 4980 [2020-10-12 13:13:39,939 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:13:39,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4980 states. [2020-10-12 13:13:40,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4980 to 4761. [2020-10-12 13:13:40,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4761 states. [2020-10-12 13:13:40,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4761 states to 4761 states and 5854 transitions. [2020-10-12 13:13:40,070 INFO L78 Accepts]: Start accepts. Automaton has 4761 states and 5854 transitions. Word has length 256 [2020-10-12 13:13:40,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:40,071 INFO L479 AbstractCegarLoop]: Abstraction has 4761 states and 5854 transitions. [2020-10-12 13:13:40,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:13:40,071 INFO L276 IsEmpty]: Start isEmpty. Operand 4761 states and 5854 transitions. [2020-10-12 13:13:40,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-12 13:13:40,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:40,078 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:13:40,078 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 13:13:40,078 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:40,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:40,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1028594829, now seen corresponding path program 1 times [2020-10-12 13:13:40,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:40,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1233783353] [2020-10-12 13:13:40,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:40,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:40,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:40,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:40,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-10-12 13:13:40,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:13:40,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 818 [2020-10-12 13:13:40,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:40,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:40,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-12 13:13:40,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 13:13:40,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:41,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:41,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:41,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:41,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:41,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:41,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:13:41,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:41,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:41,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:41,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:41,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:41,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:41,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:41,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:41,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:13:41,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:41,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 13:13:41,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:41,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:41,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:41,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:41,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:41,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:13:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:41,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:41,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:41,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 13:13:41,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:41,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-12 13:13:41,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:41,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:41,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:41,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 13:13:41,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:41,482 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-12 13:13:41,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1233783353] [2020-10-12 13:13:41,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:13:41,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:13:41,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568066321] [2020-10-12 13:13:41,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:13:41,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:41,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:13:41,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:13:41,486 INFO L87 Difference]: Start difference. First operand 4761 states and 5854 transitions. Second operand 5 states. [2020-10-12 13:13:42,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:42,975 INFO L93 Difference]: Finished difference Result 9543 states and 11791 transitions. [2020-10-12 13:13:42,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:13:42,982 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 266 [2020-10-12 13:13:42,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:43,000 INFO L225 Difference]: With dead ends: 9543 [2020-10-12 13:13:43,001 INFO L226 Difference]: Without dead ends: 4773 [2020-10-12 13:13:43,012 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 13:13:43,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4773 states. [2020-10-12 13:13:43,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4773 to 4759. [2020-10-12 13:13:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4759 states. [2020-10-12 13:13:43,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4759 states to 4759 states and 5837 transitions. [2020-10-12 13:13:43,125 INFO L78 Accepts]: Start accepts. Automaton has 4759 states and 5837 transitions. Word has length 266 [2020-10-12 13:13:43,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:43,126 INFO L479 AbstractCegarLoop]: Abstraction has 4759 states and 5837 transitions. [2020-10-12 13:13:43,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:13:43,126 INFO L276 IsEmpty]: Start isEmpty. Operand 4759 states and 5837 transitions. [2020-10-12 13:13:43,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-12 13:13:43,132 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:43,133 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:43,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 13:13:43,133 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:43,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:43,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1227507635, now seen corresponding path program 1 times [2020-10-12 13:13:43,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:43,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [478137397] [2020-10-12 13:13:43,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:43,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:43,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:43,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:44,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:44,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-10-12 13:13:44,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:13:44,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1780 [2020-10-12 13:13:44,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:44,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:44,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-12 13:13:44,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 13:13:44,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:45,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:45,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:45,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:45,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:45,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:45,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:13:45,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:45,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:45,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:45,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:45,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:45,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:45,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:45,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:45,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-12 13:13:45,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:45,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-12 13:13:45,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:45,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:45,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:45,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-12 13:13:45,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:45,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 13:13:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:45,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:45,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:45,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 13:13:45,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:45,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-12 13:13:45,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:13:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 13:13:45,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:45,615 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:13:45,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [478137397] [2020-10-12 13:13:45,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:13:45,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:13:45,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080028205] [2020-10-12 13:13:45,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:13:45,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:45,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:13:45,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:13:45,617 INFO L87 Difference]: Start difference. First operand 4759 states and 5837 transitions. Second operand 7 states. [2020-10-12 13:13:48,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:48,362 INFO L93 Difference]: Finished difference Result 10303 states and 12623 transitions. [2020-10-12 13:13:48,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:13:48,363 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 266 [2020-10-12 13:13:48,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:48,386 INFO L225 Difference]: With dead ends: 10303 [2020-10-12 13:13:48,386 INFO L226 Difference]: Without dead ends: 5550 [2020-10-12 13:13:48,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:13:48,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5550 states. [2020-10-12 13:13:48,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5550 to 5141. [2020-10-12 13:13:48,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5141 states. [2020-10-12 13:13:48,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5141 states to 5141 states and 6306 transitions. [2020-10-12 13:13:48,518 INFO L78 Accepts]: Start accepts. Automaton has 5141 states and 6306 transitions. Word has length 266 [2020-10-12 13:13:48,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:48,519 INFO L479 AbstractCegarLoop]: Abstraction has 5141 states and 6306 transitions. [2020-10-12 13:13:48,519 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:13:48,519 INFO L276 IsEmpty]: Start isEmpty. Operand 5141 states and 6306 transitions. [2020-10-12 13:13:48,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-10-12 13:13:48,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:48,531 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:48,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 13:13:48,532 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:48,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:48,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1679888222, now seen corresponding path program 1 times [2020-10-12 13:13:48,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:48,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [243222221] [2020-10-12 13:13:48,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:48,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:48,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:49,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:50,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:50,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-10-12 13:13:50,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:13:50,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1938 [2020-10-12 13:13:50,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 233 [2020-10-12 13:13:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 13:13:50,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:50,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:50,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:50,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:50,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:50,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:50,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:13:50,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:50,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:50,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:50,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:50,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:50,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:50,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:50,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:50,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 13:13:50,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:50,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 13:13:50,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:50,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:50,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:50,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:50,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:50,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 13:13:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:50,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:50,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:50,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 13:13:50,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:50,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-12 13:13:50,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:50,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:50,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:50,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 13:13:50,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:50,955 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-12 13:13:50,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [243222221] [2020-10-12 13:13:50,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:13:50,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:13:50,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591984679] [2020-10-12 13:13:50,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:13:50,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:50,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:13:50,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:13:50,958 INFO L87 Difference]: Start difference. First operand 5141 states and 6306 transitions. Second operand 5 states. [2020-10-12 13:13:52,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:52,600 INFO L93 Difference]: Finished difference Result 10305 states and 12703 transitions. [2020-10-12 13:13:52,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:13:52,602 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 287 [2020-10-12 13:13:52,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:52,633 INFO L225 Difference]: With dead ends: 10305 [2020-10-12 13:13:52,633 INFO L226 Difference]: Without dead ends: 5161 [2020-10-12 13:13:52,652 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 13:13:52,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5161 states. [2020-10-12 13:13:52,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5161 to 5139. [2020-10-12 13:13:52,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5139 states. [2020-10-12 13:13:52,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5139 states to 5139 states and 6289 transitions. [2020-10-12 13:13:52,768 INFO L78 Accepts]: Start accepts. Automaton has 5139 states and 6289 transitions. Word has length 287 [2020-10-12 13:13:52,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:52,769 INFO L479 AbstractCegarLoop]: Abstraction has 5139 states and 6289 transitions. [2020-10-12 13:13:52,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:13:52,769 INFO L276 IsEmpty]: Start isEmpty. Operand 5139 states and 6289 transitions. [2020-10-12 13:13:52,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-10-12 13:13:52,779 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:52,779 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:52,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 13:13:52,780 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:52,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:52,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1895970792, now seen corresponding path program 1 times [2020-10-12 13:13:52,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:52,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [213700229] [2020-10-12 13:13:52,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:52,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:53,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:53,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:53,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-12 13:13:53,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:13:53,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 829 [2020-10-12 13:13:53,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:53,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:53,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-12 13:13:53,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 13:13:53,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:53,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:53,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:53,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:53,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:53,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:53,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:13:53,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:53,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:53,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:53,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:53,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:53,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:53,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:53,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:53,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-12 13:13:53,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:53,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 13:13:53,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:53,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:53,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 13:13:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:53,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:54,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:54,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-12 13:13:54,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:54,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-12 13:13:54,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:54,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:54,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:54,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-12 13:13:54,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:54,202 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-12 13:13:54,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [213700229] [2020-10-12 13:13:54,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:13:54,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:13:54,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633537944] [2020-10-12 13:13:54,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:13:54,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:54,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:13:54,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:13:54,205 INFO L87 Difference]: Start difference. First operand 5139 states and 6289 transitions. Second operand 5 states. [2020-10-12 13:13:56,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:56,162 INFO L93 Difference]: Finished difference Result 11622 states and 14515 transitions. [2020-10-12 13:13:56,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:13:56,164 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 293 [2020-10-12 13:13:56,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:56,185 INFO L225 Difference]: With dead ends: 11622 [2020-10-12 13:13:56,185 INFO L226 Difference]: Without dead ends: 6489 [2020-10-12 13:13:56,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:13:56,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6489 states. [2020-10-12 13:13:56,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6489 to 5909. [2020-10-12 13:13:56,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5909 states. [2020-10-12 13:13:56,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5909 states to 5909 states and 7272 transitions. [2020-10-12 13:13:56,331 INFO L78 Accepts]: Start accepts. Automaton has 5909 states and 7272 transitions. Word has length 293 [2020-10-12 13:13:56,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:56,332 INFO L479 AbstractCegarLoop]: Abstraction has 5909 states and 7272 transitions. [2020-10-12 13:13:56,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:13:56,332 INFO L276 IsEmpty]: Start isEmpty. Operand 5909 states and 7272 transitions. [2020-10-12 13:13:56,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-10-12 13:13:56,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:56,340 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:13:56,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 13:13:56,341 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:56,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:56,341 INFO L82 PathProgramCache]: Analyzing trace with hash -72335562, now seen corresponding path program 1 times [2020-10-12 13:13:56,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:56,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [582373527] [2020-10-12 13:13:56,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:56,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:56,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:57,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:58,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:58,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-12 13:13:58,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:13:58,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1909 [2020-10-12 13:13:58,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:58,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:58,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-12 13:13:58,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 13:13:58,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:58,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:58,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:58,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:58,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:58,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:58,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:13:58,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:58,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:58,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:58,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:58,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:58,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 13:13:58,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:58,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 13:13:58,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:58,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:58,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:58,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:58,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:58,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 13:13:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:58,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:58,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:58,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 13:13:58,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:58,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-12 13:13:58,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:58,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:58,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:58,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 13:13:58,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:58,687 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-12 13:13:58,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [582373527] [2020-10-12 13:13:58,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:13:58,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:13:58,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124869002] [2020-10-12 13:13:58,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:13:58,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:58,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:13:58,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:13:58,690 INFO L87 Difference]: Start difference. First operand 5909 states and 7272 transitions. Second operand 5 states. [2020-10-12 13:14:00,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:14:00,204 INFO L93 Difference]: Finished difference Result 11858 states and 14674 transitions. [2020-10-12 13:14:00,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:14:00,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 293 [2020-10-12 13:14:00,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:14:00,223 INFO L225 Difference]: With dead ends: 11858 [2020-10-12 13:14:00,224 INFO L226 Difference]: Without dead ends: 5919 [2020-10-12 13:14:00,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 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 13:14:00,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5919 states. [2020-10-12 13:14:00,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5919 to 5903. [2020-10-12 13:14:00,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5903 states. [2020-10-12 13:14:00,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5903 states to 5903 states and 7237 transitions. [2020-10-12 13:14:00,473 INFO L78 Accepts]: Start accepts. Automaton has 5903 states and 7237 transitions. Word has length 293 [2020-10-12 13:14:00,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:14:00,474 INFO L479 AbstractCegarLoop]: Abstraction has 5903 states and 7237 transitions. [2020-10-12 13:14:00,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:14:00,475 INFO L276 IsEmpty]: Start isEmpty. Operand 5903 states and 7237 transitions. [2020-10-12 13:14:00,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-10-12 13:14:00,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:14:00,489 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:14:00,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 13:14:00,491 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:14:00,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:14:00,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1700720866, now seen corresponding path program 1 times [2020-10-12 13:14:00,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:14:00,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1135969736] [2020-10-12 13:14:00,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:14:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:00,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:00,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:01,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:02,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:02,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:02,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:02,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 346 [2020-10-12 13:14:02,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 13:14:02,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1960 [2020-10-12 13:14:02,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:02,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:14:02,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 13:14:02,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-12 13:14:02,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:02,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:14:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:02,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:02,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:02,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:14:02,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:02,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 13:14:02,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:02,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:14:02,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:02,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:14:02,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:14:02,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:14:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:02,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:02,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:02,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:14:02,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:02,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-12 13:14:02,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:02,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:14:02,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:02,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 13:14:02,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:02,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:14:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:02,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:03,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:03,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:03,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-12 13:14:03,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:14:03,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 356 [2020-10-12 13:14:03,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:03,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:14:03,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:14:03,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-12 13:14:03,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:03,552 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 183 proven. 59 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 13:14:03,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1135969736] [2020-10-12 13:14:03,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:14:03,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:14:03,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673577479] [2020-10-12 13:14:03,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 13:14:03,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:14:03,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 13:14:03,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:14:03,556 INFO L87 Difference]: Start difference. First operand 5903 states and 7237 transitions. Second operand 6 states. [2020-10-12 13:14:05,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:14:05,933 INFO L93 Difference]: Finished difference Result 13359 states and 17607 transitions. [2020-10-12 13:14:05,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 13:14:05,934 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 334 [2020-10-12 13:14:05,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:14:05,965 INFO L225 Difference]: With dead ends: 13359 [2020-10-12 13:14:05,965 INFO L226 Difference]: Without dead ends: 7462 [2020-10-12 13:14:05,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:14:05,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7462 states. [2020-10-12 13:14:06,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7462 to 7299. [2020-10-12 13:14:06,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7299 states. [2020-10-12 13:14:06,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7299 states to 7299 states and 9036 transitions. [2020-10-12 13:14:06,173 INFO L78 Accepts]: Start accepts. Automaton has 7299 states and 9036 transitions. Word has length 334 [2020-10-12 13:14:06,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:14:06,174 INFO L479 AbstractCegarLoop]: Abstraction has 7299 states and 9036 transitions. [2020-10-12 13:14:06,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 13:14:06,174 INFO L276 IsEmpty]: Start isEmpty. Operand 7299 states and 9036 transitions. [2020-10-12 13:14:06,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-10-12 13:14:06,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:14:06,187 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:06,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 13:14:06,188 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:14:06,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:14:06,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1395078588, now seen corresponding path program 1 times [2020-10-12 13:14:06,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:14:06,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543541108] [2020-10-12 13:14:06,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:14:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:06,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:06,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:06,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:07,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:09,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:10,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:10,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 365 [2020-10-12 13:14:10,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 13:14:10,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4524 [2020-10-12 13:14:10,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:10,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:14:10,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-12 13:14:10,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-12 13:14:10,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:10,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:14:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:10,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:10,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:10,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:14:10,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:10,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:14:10,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:10,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:14:10,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:10,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:14:10,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:10,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:14:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:10,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:10,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:10,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:14:10,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:10,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 13:14:10,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:10,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:14:10,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:10,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:14:10,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:11,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:14:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:11,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:11,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:11,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 13:14:11,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:11,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 13:14:11,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:11,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:14:11,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:11,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 13:14:11,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:11,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-12 13:14:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:11,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:11,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:11,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:11,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-12 13:14:11,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:14:11,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-12 13:14:11,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:11,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:14:11,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:14:11,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-12 13:14:11,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:11,300 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 268 proven. 60 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-12 13:14:11,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [543541108] [2020-10-12 13:14:11,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:14:11,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:14:11,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625433000] [2020-10-12 13:14:11,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 13:14:11,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:14:11,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 13:14:11,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:14:11,303 INFO L87 Difference]: Start difference. First operand 7299 states and 9036 transitions. Second operand 6 states. [2020-10-12 13:14:13,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:14:13,880 INFO L93 Difference]: Finished difference Result 17516 states and 22296 transitions. [2020-10-12 13:14:13,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 13:14:13,881 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 351 [2020-10-12 13:14:13,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:14:13,925 INFO L225 Difference]: With dead ends: 17516 [2020-10-12 13:14:13,925 INFO L226 Difference]: Without dead ends: 10223 [2020-10-12 13:14:13,942 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:14:13,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10223 states. [2020-10-12 13:14:14,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10223 to 9991. [2020-10-12 13:14:14,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9991 states. [2020-10-12 13:14:14,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9991 states to 9991 states and 12766 transitions. [2020-10-12 13:14:14,140 INFO L78 Accepts]: Start accepts. Automaton has 9991 states and 12766 transitions. Word has length 351 [2020-10-12 13:14:14,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:14:14,141 INFO L479 AbstractCegarLoop]: Abstraction has 9991 states and 12766 transitions. [2020-10-12 13:14:14,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 13:14:14,141 INFO L276 IsEmpty]: Start isEmpty. Operand 9991 states and 12766 transitions. [2020-10-12 13:14:14,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-10-12 13:14:14,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:14:14,158 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:14,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 13:14:14,159 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:14:14,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:14:14,159 INFO L82 PathProgramCache]: Analyzing trace with hash -619145495, now seen corresponding path program 1 times [2020-10-12 13:14:14,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:14:14,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010481591] [2020-10-12 13:14:14,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:14:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:14,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:14,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:14,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:14,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:15,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:18,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:19,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:19,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 382 [2020-10-12 13:14:19,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 13:14:19,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-12 13:14:19,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:19,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 13:14:19,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-12 13:14:19,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-12 13:14:19,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:19,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:14:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:19,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:19,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:19,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:14:19,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:19,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:14:19,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:19,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:14:19,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:19,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:14:19,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:19,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:14:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:19,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:19,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:19,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:14:19,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:19,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-12 13:14:19,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:19,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:14:19,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:19,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:14:19,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:19,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:14:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:19,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:19,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:19,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 13:14:19,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:19,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 13:14:19,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:14:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 13:14:19,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:19,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-12 13:14:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:19,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:19,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:19,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:19,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-12 13:14:19,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:14:19,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-12 13:14:19,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:19,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 13:14:19,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:14:19,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-12 13:14:19,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 304 proven. 43 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-12 13:14:20,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010481591] [2020-10-12 13:14:20,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:14:20,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 13:14:20,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319923578] [2020-10-12 13:14:20,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 13:14:20,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:14:20,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 13:14:20,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:14:20,015 INFO L87 Difference]: Start difference. First operand 9991 states and 12766 transitions. Second operand 8 states. [2020-10-12 13:14:22,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:14:22,970 INFO L93 Difference]: Finished difference Result 21196 states and 27325 transitions. [2020-10-12 13:14:22,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 13:14:22,971 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 368 [2020-10-12 13:14:22,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:14:23,003 INFO L225 Difference]: With dead ends: 21196 [2020-10-12 13:14:23,003 INFO L226 Difference]: Without dead ends: 10055 [2020-10-12 13:14:23,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-12 13:14:23,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10055 states. [2020-10-12 13:14:23,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10055 to 9987. [2020-10-12 13:14:23,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9987 states. [2020-10-12 13:14:23,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9987 states to 9987 states and 12472 transitions. [2020-10-12 13:14:23,253 INFO L78 Accepts]: Start accepts. Automaton has 9987 states and 12472 transitions. Word has length 368 [2020-10-12 13:14:23,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:14:23,254 INFO L479 AbstractCegarLoop]: Abstraction has 9987 states and 12472 transitions. [2020-10-12 13:14:23,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 13:14:23,254 INFO L276 IsEmpty]: Start isEmpty. Operand 9987 states and 12472 transitions. [2020-10-12 13:14:23,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2020-10-12 13:14:23,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:14:23,282 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:14:23,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 13:14:23,282 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:14:23,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:14:23,283 INFO L82 PathProgramCache]: Analyzing trace with hash -594841281, now seen corresponding path program 1 times [2020-10-12 13:14:23,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:14:23,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1923376670] [2020-10-12 13:14:23,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:14:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:23,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:23,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:23,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:26,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:26,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:26,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:28,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:28,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 423 [2020-10-12 13:14:28,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 13:14:28,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-12 13:14:28,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:28,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 13:14:28,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:14:28,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 352 [2020-10-12 13:14:28,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:28,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:14:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:28,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:28,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:28,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:14:28,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:28,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:14:28,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:28,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:14:28,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:28,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:14:28,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:28,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:14:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:28,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:28,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:28,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 13:14:28,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:28,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-12 13:14:28,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:28,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:14:28,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:14:28,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-12 13:14:28,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:14:29,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 13:14:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:29,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:29,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:29,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-12 13:14:29,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:29,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-12 13:14:29,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:29,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 13:14:29,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:14:29,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-12 13:14:29,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:29,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-12 13:14:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:29,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:29,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:29,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:29,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:29,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-12 13:14:29,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:14:29,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 500 [2020-10-12 13:14:29,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:29,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 13:14:29,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:14:29,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-12 13:14:29,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:30,821 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 181 proven. 278 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 13:14:30,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1923376670] [2020-10-12 13:14:30,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:14:30,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 13:14:30,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252851198] [2020-10-12 13:14:30,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 13:14:30,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:14:30,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 13:14:30,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-10-12 13:14:30,824 INFO L87 Difference]: Start difference. First operand 9987 states and 12472 transitions. Second operand 14 states. [2020-10-12 13:14:31,973 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-10-12 13:14:32,182 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-10-12 13:14:33,094 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2020-10-12 13:14:33,579 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2020-10-12 13:14:33,805 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 53 [2020-10-12 13:14:34,044 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 53 [2020-10-12 13:14:36,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:14:36,583 INFO L93 Difference]: Finished difference Result 22251 states and 29082 transitions. [2020-10-12 13:14:36,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 13:14:36,584 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 409 [2020-10-12 13:14:36,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:14:36,622 INFO L225 Difference]: With dead ends: 22251 [2020-10-12 13:14:36,622 INFO L226 Difference]: Without dead ends: 12138 [2020-10-12 13:14:36,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=275, Invalid=915, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 13:14:36,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12138 states. [2020-10-12 13:14:36,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12138 to 11915. [2020-10-12 13:14:36,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11915 states. [2020-10-12 13:14:36,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11915 states to 11915 states and 14752 transitions. [2020-10-12 13:14:36,895 INFO L78 Accepts]: Start accepts. Automaton has 11915 states and 14752 transitions. Word has length 409 [2020-10-12 13:14:36,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:14:36,896 INFO L479 AbstractCegarLoop]: Abstraction has 11915 states and 14752 transitions. [2020-10-12 13:14:36,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 13:14:36,896 INFO L276 IsEmpty]: Start isEmpty. Operand 11915 states and 14752 transitions. [2020-10-12 13:14:36,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-10-12 13:14:36,923 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:14:36,923 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2020-10-12 13:14:36,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 13:14:36,924 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:14:36,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:14:36,924 INFO L82 PathProgramCache]: Analyzing trace with hash -78098979, now seen corresponding path program 1 times [2020-10-12 13:14:36,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:14:36,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925095333] [2020-10-12 13:14:36,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:14:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:37,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:37,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:37,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:38,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:40,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:40,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 450 [2020-10-12 13:14:40,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:14:40,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3957 [2020-10-12 13:14:40,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:40,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 13:14:40,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:14:40,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 380 [2020-10-12 13:14:40,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:41,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:14:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:41,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:41,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:41,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:14:41,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:41,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 13:14:41,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:14:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:14:41,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:41,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:14:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:41,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:41,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:41,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:14:41,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:41,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-12 13:14:41,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:41,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 13:14:41,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:14:41,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-12 13:14:41,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:41,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:14:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:41,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:41,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:41,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-12 13:14:41,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:41,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-12 13:14:41,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:41,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:14:41,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:14:41,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-12 13:14:41,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:41,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-12 13:14:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:41,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:41,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:41,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-12 13:14:41,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:41,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-12 13:14:41,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:41,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:14:41,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:14:41,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-12 13:14:41,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:41,807 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 185 proven. 6 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2020-10-12 13:14:41,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925095333] [2020-10-12 13:14:41,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:14:41,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 13:14:41,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552301190] [2020-10-12 13:14:41,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 13:14:41,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:14:41,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 13:14:41,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-12 13:14:41,810 INFO L87 Difference]: Start difference. First operand 11915 states and 14752 transitions. Second operand 9 states. [2020-10-12 13:14:46,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:14:46,083 INFO L93 Difference]: Finished difference Result 28298 states and 37411 transitions. [2020-10-12 13:14:46,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 13:14:46,084 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 436 [2020-10-12 13:14:46,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:14:46,143 INFO L225 Difference]: With dead ends: 28298 [2020-10-12 13:14:46,143 INFO L226 Difference]: Without dead ends: 18309 [2020-10-12 13:14:46,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2020-10-12 13:14:46,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18309 states. [2020-10-12 13:14:46,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18309 to 17119. [2020-10-12 13:14:46,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17119 states. [2020-10-12 13:14:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17119 states to 17119 states and 21340 transitions. [2020-10-12 13:14:46,574 INFO L78 Accepts]: Start accepts. Automaton has 17119 states and 21340 transitions. Word has length 436 [2020-10-12 13:14:46,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:14:46,575 INFO L479 AbstractCegarLoop]: Abstraction has 17119 states and 21340 transitions. [2020-10-12 13:14:46,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 13:14:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 17119 states and 21340 transitions. [2020-10-12 13:14:46,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2020-10-12 13:14:46,604 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:14:46,605 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:14:46,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 13:14:46,605 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:14:46,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:14:46,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1086643987, now seen corresponding path program 1 times [2020-10-12 13:14:46,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:14:46,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [751861108] [2020-10-12 13:14:46,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:14:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:46,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:46,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:47,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:47,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:49,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:51,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:51,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 478 [2020-10-12 13:14:51,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 13:14:51,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-12 13:14:51,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:51,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 13:14:51,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:14:51,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 319 [2020-10-12 13:14:51,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:51,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:14:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:51,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:51,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:51,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:14:51,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:51,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 13:14:51,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:51,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:14:51,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:51,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:14:51,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:51,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:14:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:51,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:52,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:52,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 13:14:52,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:52,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-10-12 13:14:52,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:52,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:14:52,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:14:52,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-12 13:14:52,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:14:52,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 13:14:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:52,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:52,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:52,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 13:14:52,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:52,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-10-12 13:14:52,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:52,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 13:14:52,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:14:52,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-12 13:14:52,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:53,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-10-12 13:14:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:53,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:53,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:53,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:53,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 13:14:53,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:14:53,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 507 [2020-10-12 13:14:53,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:53,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:14:53,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:14:53,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-12 13:14:53,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:14:54,253 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 325 proven. 204 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 13:14:54,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [751861108] [2020-10-12 13:14:54,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:14:54,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 13:14:54,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832506954] [2020-10-12 13:14:54,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 13:14:54,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:14:54,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 13:14:54,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-12 13:14:54,256 INFO L87 Difference]: Start difference. First operand 17119 states and 21340 transitions. Second operand 11 states. [2020-10-12 13:14:58,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:14:58,397 INFO L93 Difference]: Finished difference Result 36178 states and 50444 transitions. [2020-10-12 13:14:58,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-12 13:14:58,398 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 464 [2020-10-12 13:14:58,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:14:58,488 INFO L225 Difference]: With dead ends: 36178 [2020-10-12 13:14:58,488 INFO L226 Difference]: Without dead ends: 20959 [2020-10-12 13:14:58,523 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2020-10-12 13:14:58,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20959 states. [2020-10-12 13:14:59,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20959 to 19796. [2020-10-12 13:14:59,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19796 states. [2020-10-12 13:14:59,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19796 states to 19796 states and 24654 transitions. [2020-10-12 13:14:59,054 INFO L78 Accepts]: Start accepts. Automaton has 19796 states and 24654 transitions. Word has length 464 [2020-10-12 13:14:59,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:14:59,055 INFO L479 AbstractCegarLoop]: Abstraction has 19796 states and 24654 transitions. [2020-10-12 13:14:59,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 13:14:59,055 INFO L276 IsEmpty]: Start isEmpty. Operand 19796 states and 24654 transitions. [2020-10-12 13:14:59,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2020-10-12 13:14:59,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:14:59,086 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 13:14:59,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 13:14:59,087 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:14:59,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:14:59,087 INFO L82 PathProgramCache]: Analyzing trace with hash -631688440, now seen corresponding path program 1 times [2020-10-12 13:14:59,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:14:59,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [717276070] [2020-10-12 13:14:59,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:14:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:59,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:59,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:59,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:02,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:02,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:04,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:04,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 488 [2020-10-12 13:15:04,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 13:15:04,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-12 13:15:04,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:04,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:04,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 421 [2020-10-12 13:15:04,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-12 13:15:04,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:04,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:04,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:04,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:04,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:04,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:04,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:15:04,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:04,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:04,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:04,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:04,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:04,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:15:04,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:04,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 13:15:04,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:04,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:04,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:04,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:04,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:04,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:15:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:04,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:04,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:04,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:15:04,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:04,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 13:15:04,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:04,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:04,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:04,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:04,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:04,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-12 13:15:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:04,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:04,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:04,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-12 13:15:04,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:04,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 13:15:04,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:04,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:04,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:04,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:04,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:04,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-12 13:15:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:04,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:04,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:04,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-12 13:15:04,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:04,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-12 13:15:04,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:04,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:04,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:04,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-12 13:15:04,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:04,671 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 241 proven. 4 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2020-10-12 13:15:04,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [717276070] [2020-10-12 13:15:04,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:15:04,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:15:04,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624527570] [2020-10-12 13:15:04,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:15:04,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:04,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:15:04,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:15:04,674 INFO L87 Difference]: Start difference. First operand 19796 states and 24654 transitions. Second operand 5 states. [2020-10-12 13:15:07,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:07,172 INFO L93 Difference]: Finished difference Result 42498 states and 53727 transitions. [2020-10-12 13:15:07,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:15:07,173 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 472 [2020-10-12 13:15:07,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:07,233 INFO L225 Difference]: With dead ends: 42498 [2020-10-12 13:15:07,233 INFO L226 Difference]: Without dead ends: 23086 [2020-10-12 13:15:07,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:15:07,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23086 states. [2020-10-12 13:15:07,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23086 to 22262. [2020-10-12 13:15:07,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22262 states. [2020-10-12 13:15:07,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22262 states to 22262 states and 28232 transitions. [2020-10-12 13:15:07,640 INFO L78 Accepts]: Start accepts. Automaton has 22262 states and 28232 transitions. Word has length 472 [2020-10-12 13:15:07,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:07,640 INFO L479 AbstractCegarLoop]: Abstraction has 22262 states and 28232 transitions. [2020-10-12 13:15:07,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:15:07,640 INFO L276 IsEmpty]: Start isEmpty. Operand 22262 states and 28232 transitions. [2020-10-12 13:15:07,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2020-10-12 13:15:07,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:07,654 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:07,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 13:15:07,654 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:07,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:07,655 INFO L82 PathProgramCache]: Analyzing trace with hash 2046126833, now seen corresponding path program 1 times [2020-10-12 13:15:07,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:07,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1020861821] [2020-10-12 13:15:07,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:07,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:07,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:08,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:10,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:12,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:12,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 493 [2020-10-12 13:15:12,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:15:12,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-12 13:15:12,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 13:15:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-12 13:15:12,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:12,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:12,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:12,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:12,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:12,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:12,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:15:12,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:12,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:12,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:12,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:12,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:12,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:12,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:12,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:12,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:15:12,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:12,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-12 13:15:12,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:12,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:12,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:12,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 13:15:12,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:12,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:15:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:12,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:13,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:13,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:15:13,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:13,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-12 13:15:13,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:13,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:13,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:15:13,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-12 13:15:13,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:13,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-12 13:15:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:13,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:13,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:13,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-12 13:15:13,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:13,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 13:15:13,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:13,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:13,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-12 13:15:13,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:13,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:13,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-12 13:15:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:13,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:13,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:13,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 13:15:13,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:13,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 13:15:13,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-12 13:15:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:13,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:13,288 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 320 proven. 154 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-10-12 13:15:13,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1020861821] [2020-10-12 13:15:13,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:15:13,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:15:13,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924701007] [2020-10-12 13:15:13,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:15:13,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:13,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:15:13,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:15:13,290 INFO L87 Difference]: Start difference. First operand 22262 states and 28232 transitions. Second operand 7 states. [2020-10-12 13:15:16,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:16,992 INFO L93 Difference]: Finished difference Result 49335 states and 63241 transitions. [2020-10-12 13:15:16,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:15:16,993 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 477 [2020-10-12 13:15:16,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:17,069 INFO L225 Difference]: With dead ends: 49335 [2020-10-12 13:15:17,070 INFO L226 Difference]: Without dead ends: 27457 [2020-10-12 13:15:17,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:15:17,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27457 states. [2020-10-12 13:15:17,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27457 to 27405. [2020-10-12 13:15:17,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27405 states. [2020-10-12 13:15:17,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27405 states to 27405 states and 34277 transitions. [2020-10-12 13:15:17,522 INFO L78 Accepts]: Start accepts. Automaton has 27405 states and 34277 transitions. Word has length 477 [2020-10-12 13:15:17,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:17,522 INFO L479 AbstractCegarLoop]: Abstraction has 27405 states and 34277 transitions. [2020-10-12 13:15:17,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:15:17,523 INFO L276 IsEmpty]: Start isEmpty. Operand 27405 states and 34277 transitions. [2020-10-12 13:15:17,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2020-10-12 13:15:17,546 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:17,548 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:15:17,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 13:15:17,548 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:17,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:17,548 INFO L82 PathProgramCache]: Analyzing trace with hash 485446997, now seen corresponding path program 1 times [2020-10-12 13:15:17,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:17,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [923421742] [2020-10-12 13:15:17,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:17,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:17,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:18,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:21,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:22,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:22,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 522 [2020-10-12 13:15:22,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:15:22,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 13:15:22,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:22,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:22,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 13:15:22,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-12 13:15:22,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:22,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:22,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:22,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:22,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:22,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:22,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:15:22,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:22,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:22,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:22,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:22,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:22,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:22,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:22,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:22,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:15:22,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:22,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-12 13:15:22,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:22,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:22,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:22,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 13:15:22,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:22,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:15:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:22,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:23,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:23,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-12 13:15:23,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:23,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-12 13:15:23,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:23,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:23,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:15:23,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 13:15:23,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:23,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-12 13:15:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:23,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:23,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:23,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-12 13:15:23,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:23,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 13:15:23,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:23,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:23,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-12 13:15:23,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:23,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:23,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-10-12 13:15:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:23,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:23,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:23,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 13:15:23,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:23,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-12 13:15:23,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:23,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:23,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-12 13:15:23,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:23,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:23,362 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 349 proven. 197 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-10-12 13:15:23,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [923421742] [2020-10-12 13:15:23,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:15:23,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:15:23,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642173044] [2020-10-12 13:15:23,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:15:23,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:23,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:15:23,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:15:23,364 INFO L87 Difference]: Start difference. First operand 27405 states and 34277 transitions. Second operand 7 states. [2020-10-12 13:15:26,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:26,306 INFO L93 Difference]: Finished difference Result 53666 states and 68387 transitions. [2020-10-12 13:15:26,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:15:26,307 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 506 [2020-10-12 13:15:26,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:26,365 INFO L225 Difference]: With dead ends: 53666 [2020-10-12 13:15:26,365 INFO L226 Difference]: Without dead ends: 26645 [2020-10-12 13:15:26,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:15:26,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26645 states. [2020-10-12 13:15:26,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26645 to 26229. [2020-10-12 13:15:26,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26229 states. [2020-10-12 13:15:26,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26229 states to 26229 states and 32095 transitions. [2020-10-12 13:15:26,861 INFO L78 Accepts]: Start accepts. Automaton has 26229 states and 32095 transitions. Word has length 506 [2020-10-12 13:15:26,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:26,861 INFO L479 AbstractCegarLoop]: Abstraction has 26229 states and 32095 transitions. [2020-10-12 13:15:26,861 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:15:26,861 INFO L276 IsEmpty]: Start isEmpty. Operand 26229 states and 32095 transitions. [2020-10-12 13:15:26,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2020-10-12 13:15:26,884 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:26,885 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:15:26,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 13:15:26,885 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:26,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:26,885 INFO L82 PathProgramCache]: Analyzing trace with hash -146996424, now seen corresponding path program 1 times [2020-10-12 13:15:26,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:26,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1655890063] [2020-10-12 13:15:26,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:27,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:27,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:27,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:28,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:31,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:31,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 539 [2020-10-12 13:15:31,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:15:31,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 13:15:31,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:31,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 473 [2020-10-12 13:15:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 13:15:31,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:32,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:32,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:32,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:32,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:32,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:32,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:15:32,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:32,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:32,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:32,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:32,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:32,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:32,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:32,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:32,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 13:15:32,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:32,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 13:15:32,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:32,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:32,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:32,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:32,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:32,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 13:15:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:32,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:32,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:32,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-12 13:15:32,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:32,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 13:15:32,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:32,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:32,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:32,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:32,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:32,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-10-12 13:15:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:32,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:32,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:32,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-12 13:15:32,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:32,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 13:15:32,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:32,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:32,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:32,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:32,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:32,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2020-10-12 13:15:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:32,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:32,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:32,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 13:15:32,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:32,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-10-12 13:15:32,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:32,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:32,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:32,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-12 13:15:32,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:15:32,679 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 241 proven. 4 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2020-10-12 13:15:32,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1655890063] [2020-10-12 13:15:32,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:15:32,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:15:32,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039968727] [2020-10-12 13:15:32,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:15:32,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:32,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:15:32,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:15:32,681 INFO L87 Difference]: Start difference. First operand 26229 states and 32095 transitions. Second operand 5 states. [2020-10-12 13:15:35,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:35,394 INFO L93 Difference]: Finished difference Result 50946 states and 62851 transitions. [2020-10-12 13:15:35,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:15:35,400 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 523 [2020-10-12 13:15:35,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:35,410 INFO L225 Difference]: With dead ends: 50946 [2020-10-12 13:15:35,410 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 13:15:35,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 2 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 13:15:35,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 13:15:35,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 13:15:35,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 13:15:35,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 13:15:35,458 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 523 [2020-10-12 13:15:35,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:35,459 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 13:15:35,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:15:35,459 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 13:15:35,459 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 13:15:35,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 13:15:35,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 13:15:39,996 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 1127 DAG size of output: 626 [2020-10-12 13:15:42,267 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 1127 DAG size of output: 626 [2020-10-12 13:15:42,437 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 35 [2020-10-12 13:15:44,609 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 580 DAG size of output: 40 [2020-10-12 13:15:47,878 WARN L193 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 570 DAG size of output: 42 [2020-10-12 13:15:51,180 WARN L193 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 570 DAG size of output: 42 [2020-10-12 13:15:51,186 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:15:51,186 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-10-12 13:15:51,186 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:15:51,186 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-12 13:15:51,186 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-12 13:15:51,187 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-12 13:15:51,187 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,187 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,187 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,187 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,187 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,187 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,187 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,188 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-12 13:15:51,188 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-12 13:15:51,188 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-12 13:15:51,188 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,188 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,188 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,188 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,188 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,188 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,189 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,189 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,189 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,189 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-12 13:15:51,189 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-12 13:15:51,189 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-12 13:15:51,189 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,189 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,189 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,190 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,190 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,190 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,190 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,190 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,190 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,190 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-12 13:15:51,190 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-12 13:15:51,191 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-12 13:15:51,191 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-12 13:15:51,191 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-12 13:15:51,191 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-12 13:15:51,191 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-12 13:15:51,191 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,191 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,191 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,191 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,191 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,192 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,192 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,192 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,192 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,192 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,192 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-12 13:15:51,192 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-12 13:15:51,192 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-12 13:15:51,192 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,192 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,192 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,193 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,193 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,193 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-12 13:15:51,193 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-12 13:15:51,193 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-12 13:15:51,193 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,193 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,193 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,193 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,193 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,194 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-12 13:15:51,194 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-12 13:15:51,194 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,194 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,194 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,194 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,194 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,194 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,194 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-12 13:15:51,195 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-12 13:15:51,195 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,195 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,195 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-12 13:15:51,195 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-12 13:15:51,195 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-12 13:15:51,195 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,195 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,195 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,195 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,196 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,196 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,196 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,196 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-12 13:15:51,196 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-12 13:15:51,196 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-12 13:15:51,196 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-12 13:15:51,196 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-12 13:15:51,196 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-12 13:15:51,197 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-12 13:15:51,197 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,197 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,197 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-12 13:15:51,197 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-12 13:15:51,197 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,197 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,197 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,197 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,198 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse1 (= ~a23~0 |old(~a23~0)|)) (.cse2 (= ~a29~0 |old(~a29~0)|)) (.cse3 (= ~a4~0 |old(~a4~0)|))) (let ((.cse0 (and (= ~a25~0 |old(~a25~0)|) .cse1 .cse2 .cse3))) (and (or (not (<= 180 |old(~a23~0)|)) .cse0) (or (not (<= |old(~a29~0)| 274)) .cse0) (or (and (not (< 1 |old(~a4~0)|)) (not (<= |old(~a4~0)| 0))) .cse0) (or (not (<= |old(~a25~0)| 11)) .cse0) (or (and .cse1 .cse2 (= ~a25~0 12) .cse3) (not (= 12 |old(~a25~0)|)))))) [2020-10-12 13:15:51,198 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,198 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-12 13:15:51,198 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-12 13:15:51,198 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-12 13:15:51,198 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,198 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,199 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,199 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,199 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,199 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,199 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-12 13:15:51,199 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-12 13:15:51,199 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-12 13:15:51,199 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,199 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,199 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,200 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,200 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,200 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,200 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,200 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,200 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-12 13:15:51,200 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-12 13:15:51,200 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-12 13:15:51,200 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,200 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,200 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,200 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,200 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,200 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,200 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,200 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,201 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,201 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,201 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,201 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-12 13:15:51,201 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-12 13:15:51,201 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-12 13:15:51,201 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-12 13:15:51,201 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-12 13:15:51,201 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,201 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,201 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,201 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,202 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,202 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,202 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,202 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-12 13:15:51,202 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-12 13:15:51,202 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-12 13:15:51,202 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,202 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,202 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,202 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-12 13:15:51,203 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-12 13:15:51,203 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,203 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,203 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,203 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,203 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,203 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 186) no Hoare annotation was computed. [2020-10-12 13:15:51,203 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-12 13:15:51,203 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-12 13:15:51,204 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,204 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,204 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-12 13:15:51,204 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-12 13:15:51,204 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,204 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,204 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,204 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,204 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,204 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,205 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-12 13:15:51,205 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-12 13:15:51,205 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-12 13:15:51,205 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-12 13:15:51,205 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,205 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,205 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,205 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,205 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,205 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,205 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,206 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,206 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-12 13:15:51,206 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-12 13:15:51,206 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-12 13:15:51,206 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-12 13:15:51,206 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-12 13:15:51,206 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-12 13:15:51,206 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,206 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,206 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,207 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,207 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,207 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,207 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,207 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-12 13:15:51,207 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-12 13:15:51,207 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,207 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,207 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,208 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,208 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,208 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,208 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,208 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-12 13:15:51,208 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-12 13:15:51,208 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,208 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,208 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,208 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,209 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,209 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,209 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,209 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-12 13:15:51,209 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,209 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,209 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,209 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-12 13:15:51,209 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-12 13:15:51,210 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-12 13:15:51,210 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,210 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-12 13:15:51,210 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,210 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-12 13:15:51,210 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,210 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,210 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,210 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,211 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,211 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,211 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-12 13:15:51,211 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-12 13:15:51,211 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-12 13:15:51,211 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,211 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,211 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,211 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,211 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,212 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,212 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,212 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,212 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,212 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,212 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-12 13:15:51,212 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-12 13:15:51,212 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-12 13:15:51,213 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,213 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-12 13:15:51,213 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-12 13:15:51,213 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,213 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,213 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,213 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,213 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,213 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,214 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-12 13:15:51,214 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-12 13:15:51,214 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-12 13:15:51,214 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,214 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,214 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,214 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,214 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-12 13:15:51,214 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-12 13:15:51,214 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,215 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,215 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-12 13:15:51,215 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,215 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,215 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:15:51,215 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:15:51,215 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= 1 ~a4~0) (<= 10 ~a25~0) (<= ~a29~0 130) (= ~a8~0 15) (= ~a3~0 1) (<= ~a4~0 1) (= ~a23~0 312)) [2020-10-12 13:15:51,215 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 13:15:51,215 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:15:51,215 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (<= 10 |old(~a25~0)|)) (not (<= |old(~a25~0)| 10)) (not (= |old(~a4~0)| 1)) (not (= 312 |old(~a23~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 1) (= ~a23~0 312)) (not (= ~a8~0 15)) (not (<= |old(~a29~0)| 130)) (not (= ~a3~0 1))) [2020-10-12 13:15:51,215 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-12 13:15:51,216 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (or (not (<= 10 |old(~a25~0)|)) (<= ~a4~0 0) (not (= ~a8~0 15)) (< 1 ~a4~0) (<= 180 ~a23~0) (<= ~a25~0 11) (<= ~a29~0 274) (not (= ~a3~0 1)) (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (not (= 312 |old(~a23~0)|)) (= ~a25~0 12) (not (<= |old(~a29~0)| 130))) [2020-10-12 13:15:51,216 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-12 13:15:51,216 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-12 13:15:51,216 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (or (not (<= 10 |old(~a25~0)|)) (<= ~a4~0 0) (not (= ~a8~0 15)) (< 1 ~a4~0) (<= 180 ~a23~0) (<= ~a25~0 11) (<= ~a29~0 274) (not (= ~a3~0 1)) (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (not (= 312 |old(~a23~0)|)) (= ~a25~0 12) (not (<= |old(~a29~0)| 130))) [2020-10-12 13:15:51,216 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-12 13:15:51,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 01:15:51 BoogieIcfgContainer [2020-10-12 13:15:51,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 13:15:51,242 INFO L168 Benchmark]: Toolchain (without parser) took 160707.20 ms. Allocated memory was 138.9 MB in the beginning and 2.6 GB in the end (delta: 2.5 GB). Free memory was 99.1 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-12 13:15:51,243 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 13:15:51,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1189.53 ms. Allocated memory was 138.9 MB in the beginning and 207.1 MB in the end (delta: 68.2 MB). Free memory was 98.9 MB in the beginning and 160.3 MB in the end (delta: -61.4 MB). Peak memory consumption was 44.5 MB. Max. memory is 7.1 GB. [2020-10-12 13:15:51,244 INFO L168 Benchmark]: Boogie Preprocessor took 147.25 ms. Allocated memory is still 207.1 MB. Free memory was 160.3 MB in the beginning and 152.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2020-10-12 13:15:51,244 INFO L168 Benchmark]: RCFGBuilder took 2069.37 ms. Allocated memory was 207.1 MB in the beginning and 238.6 MB in the end (delta: 31.5 MB). Free memory was 152.1 MB in the beginning and 96.8 MB in the end (delta: 55.3 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. [2020-10-12 13:15:51,245 INFO L168 Benchmark]: TraceAbstraction took 157292.84 ms. Allocated memory was 238.6 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 95.3 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2020-10-12 13:15:51,248 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1189.53 ms. Allocated memory was 138.9 MB in the beginning and 207.1 MB in the end (delta: 68.2 MB). Free memory was 98.9 MB in the beginning and 160.3 MB in the end (delta: -61.4 MB). Peak memory consumption was 44.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 147.25 ms. Allocated memory is still 207.1 MB. Free memory was 160.3 MB in the beginning and 152.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2069.37 ms. Allocated memory was 207.1 MB in the beginning and 238.6 MB in the end (delta: 31.5 MB). Free memory was 152.1 MB in the beginning and 96.8 MB in the end (delta: 55.3 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 157292.84 ms. Allocated memory was 238.6 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 95.3 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 186]: 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: 1034]: Loop Invariant Derived loop invariant: (((((((((((!(10 <= \old(a25)) || a4 <= 0) || !(a8 == 15)) || 1 < a4) || 180 <= a23) || a25 <= 11) || a29 <= 274) || !(a3 == 1)) || !(\old(a4) == 1)) || !(\old(a25) <= 10)) || !(312 == \old(a23))) || a25 == 12) || !(\old(a29) <= 130) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 141.4s, OverallIterations: 21, TraceHistogramMax: 5, AutomataDifference: 59.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 994 SDtfs, 14856 SDslu, 1885 SDs, 0 SdLazy, 28323 SolverSat, 4319 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 369 GetRequests, 171 SyntacticMatches, 8 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27405occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 5914 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 1102 PreInvPairs, 1414 NumberOfFragments, 295 HoareAnnotationTreeSize, 1102 FomulaSimplifications, 2822731 FormulaSimplificationTreeSizeReduction, 6.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 152575 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 72.5s InterpolantComputationTime, 6683 NumberOfCodeBlocks, 6683 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 6662 ConstructedInterpolants, 0 QuantifiedInterpolants, 9343479 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 4 PerfectInterpolantSequences, 6191/7213 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...