/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label37.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:09:51,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:09:51,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:09:51,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:09:51,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:09:51,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:09:51,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:09:51,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:09:51,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:09:51,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:09:51,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:09:51,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:09:51,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:09:51,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:09:51,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:09:51,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:09:51,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:09:51,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:09:51,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:09:51,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:09:51,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:09:51,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:09:51,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:09:51,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:09:51,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:09:51,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:09:51,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:09:51,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:09:51,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:09:51,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:09:51,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:09:51,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:09:51,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:09:51,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:09:51,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:09:51,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:09:51,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:09:51,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:09:51,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:09:51,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:09:51,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:09:51,190 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 08:09:51,214 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:09:51,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:09:51,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:09:51,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:09:51,216 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:09:51,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:09:51,216 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:09:51,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:09:51,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:09:51,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:09:51,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:09:51,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:09:51,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:09:51,218 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:09:51,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:09:51,218 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:09:51,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:09:51,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:09:51,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:09:51,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:09:51,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:09:51,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:09:51,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:09:51,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:09:51,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:09:51,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:09:51,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:09:51,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:09:51,221 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:09:51,221 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:09:51,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:09:51,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:09:51,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:09:51,606 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:09:51,608 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:09:51,608 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label37.c [2020-10-13 08:09:51,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b0d3d146e/f6fc5fd9dd4c4af3a82a1c634d8f3b09/FLAGcf0540519 [2020-10-13 08:09:52,398 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:09:52,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label37.c [2020-10-13 08:09:52,417 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b0d3d146e/f6fc5fd9dd4c4af3a82a1c634d8f3b09/FLAGcf0540519 [2020-10-13 08:09:52,630 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b0d3d146e/f6fc5fd9dd4c4af3a82a1c634d8f3b09 [2020-10-13 08:09:52,639 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:09:52,641 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:09:52,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:09:52,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:09:52,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:09:52,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:09:52" (1/1) ... [2020-10-13 08:09:52,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:52, skipping insertion in model container [2020-10-13 08:09:52,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:09:52" (1/1) ... [2020-10-13 08:09:52,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:09:52,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:09:53,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:09:53,351 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:09:53,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:09:53,571 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:09:53,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:53 WrapperNode [2020-10-13 08:09:53,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:09:53,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:09:53,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:09:53,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:09:53,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:53" (1/1) ... [2020-10-13 08:09:53,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:53" (1/1) ... [2020-10-13 08:09:53,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:53" (1/1) ... [2020-10-13 08:09:53,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:53" (1/1) ... [2020-10-13 08:09:53,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:53" (1/1) ... [2020-10-13 08:09:53,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:53" (1/1) ... [2020-10-13 08:09:53,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:53" (1/1) ... [2020-10-13 08:09:53,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:09:53,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:09:53,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:09:53,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:09:53,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:53" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:09:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:09:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:09:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:09:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:09:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:09:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:09:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:09:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:09:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:09:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:09:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:09:55,862 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:09:55,888 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:09:55,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:09:55 BoogieIcfgContainer [2020-10-13 08:09:55,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:09:55,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:09:55,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:09:55,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:09:55,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:09:52" (1/3) ... [2020-10-13 08:09:55,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1bcc4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:09:55, skipping insertion in model container [2020-10-13 08:09:55,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:53" (2/3) ... [2020-10-13 08:09:55,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1bcc4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:09:55, skipping insertion in model container [2020-10-13 08:09:55,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:09:55" (3/3) ... [2020-10-13 08:09:55,904 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label37.c [2020-10-13 08:09:55,916 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:09:55,924 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:09:55,939 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:09:55,967 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:09:55,968 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:09:55,968 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:09:55,968 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:09:55,968 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:09:55,968 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:09:55,969 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:09:55,969 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:09:55,994 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-13 08:09:56,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-13 08:09:56,003 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:09:56,004 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] [2020-10-13 08:09:56,005 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:09:56,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:09:56,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1618793274, now seen corresponding path program 1 times [2020-10-13 08:09:56,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:09:56,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [446946164] [2020-10-13 08:09:56,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:09:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:56,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:56,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:56,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 08:09:56,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:56,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-10-13 08:09:56,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:56,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:09:56,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:09:56,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-13 08:09:56,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:09:56,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:09:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:56,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:56,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:56,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:09:56,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:56,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 08:09:56,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:56,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:09:56,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:56,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:09:56,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:09:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:09:56,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [446946164] [2020-10-13 08:09:56,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:09:56,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:09:56,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308281056] [2020-10-13 08:09:56,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:09:56,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:09:56,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:09:56,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:09:56,785 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-13 08:09:59,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:09:59,103 INFO L93 Difference]: Finished difference Result 788 states and 1382 transitions. [2020-10-13 08:09:59,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:09:59,105 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2020-10-13 08:09:59,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:09:59,127 INFO L225 Difference]: With dead ends: 788 [2020-10-13 08:09:59,128 INFO L226 Difference]: Without dead ends: 431 [2020-10-13 08:09:59,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:09:59,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-10-13 08:09:59,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 425. [2020-10-13 08:09:59,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-10-13 08:09:59,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 612 transitions. [2020-10-13 08:09:59,243 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 612 transitions. Word has length 55 [2020-10-13 08:09:59,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:09:59,244 INFO L479 AbstractCegarLoop]: Abstraction has 425 states and 612 transitions. [2020-10-13 08:09:59,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:09:59,244 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 612 transitions. [2020-10-13 08:09:59,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-13 08:09:59,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:09:59,251 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:09:59,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:09:59,251 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:09:59,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:09:59,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1595426746, now seen corresponding path program 1 times [2020-10-13 08:09:59,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:09:59,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [688301392] [2020-10-13 08:09:59,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:09:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:59,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:59,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:00,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:01,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:01,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 08:10:01,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:10:01,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1791 [2020-10-13 08:10:01,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:01,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:10:01,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 08:10:01,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 08:10:01,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:10:01,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:10:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:01,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:01,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:01,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:10:01,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:01,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:10:01,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:01,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:10:01,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:01,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:10:01,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:01,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:10:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:01,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:01,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:01,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:10:01,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:01,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-13 08:10:01,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:01,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:10:01,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:01,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 08:10:01,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:01,456 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:10:01,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [688301392] [2020-10-13 08:10:01,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:10:01,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:10:01,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112734135] [2020-10-13 08:10:01,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:10:01,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:10:01,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:10:01,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:10:01,461 INFO L87 Difference]: Start difference. First operand 425 states and 612 transitions. Second operand 5 states. [2020-10-13 08:10:03,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:10:03,107 INFO L93 Difference]: Finished difference Result 677 states and 1007 transitions. [2020-10-13 08:10:03,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:10:03,108 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2020-10-13 08:10:03,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:10:03,112 INFO L225 Difference]: With dead ends: 677 [2020-10-13 08:10:03,113 INFO L226 Difference]: Without dead ends: 431 [2020-10-13 08:10:03,114 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 [2020-10-13 08:10:03,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-10-13 08:10:03,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 425. [2020-10-13 08:10:03,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-10-13 08:10:03,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 610 transitions. [2020-10-13 08:10:03,142 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 610 transitions. Word has length 127 [2020-10-13 08:10:03,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:10:03,142 INFO L479 AbstractCegarLoop]: Abstraction has 425 states and 610 transitions. [2020-10-13 08:10:03,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:10:03,143 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 610 transitions. [2020-10-13 08:10:03,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-13 08:10:03,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:10:03,145 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:10:03,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:10:03,146 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:10:03,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:10:03,146 INFO L82 PathProgramCache]: Analyzing trace with hash 2133526889, now seen corresponding path program 1 times [2020-10-13 08:10:03,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:10:03,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754689552] [2020-10-13 08:10:03,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:10:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:03,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:03,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:04,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:04,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-13 08:10:04,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:10:04,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1288 [2020-10-13 08:10:04,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:04,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:10:04,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 08:10:04,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 08:10:04,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:04,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:10:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:04,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:04,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:04,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:10:04,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:04,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:10:04,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:04,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:10:04,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:04,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:10:04,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:04,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:10:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:04,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:04,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:04,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:10:04,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:04,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-13 08:10:04,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:04,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:10:04,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:04,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:10:04,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:04,693 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:10:04,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1754689552] [2020-10-13 08:10:04,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:10:04,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:10:04,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342111144] [2020-10-13 08:10:04,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:10:04,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:10:04,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:10:04,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:10:04,696 INFO L87 Difference]: Start difference. First operand 425 states and 610 transitions. Second operand 5 states. [2020-10-13 08:10:06,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:10:06,865 INFO L93 Difference]: Finished difference Result 1246 states and 1808 transitions. [2020-10-13 08:10:06,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:10:06,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2020-10-13 08:10:06,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:10:06,872 INFO L225 Difference]: With dead ends: 1246 [2020-10-13 08:10:06,872 INFO L226 Difference]: Without dead ends: 827 [2020-10-13 08:10:06,874 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 [2020-10-13 08:10:06,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2020-10-13 08:10:06,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 811. [2020-10-13 08:10:06,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2020-10-13 08:10:06,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1081 transitions. [2020-10-13 08:10:06,914 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1081 transitions. Word has length 128 [2020-10-13 08:10:06,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:10:06,915 INFO L479 AbstractCegarLoop]: Abstraction has 811 states and 1081 transitions. [2020-10-13 08:10:06,915 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:10:06,915 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1081 transitions. [2020-10-13 08:10:06,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-13 08:10:06,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:10:06,919 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:10:06,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:10:06,919 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:10:06,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:10:06,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1772403810, now seen corresponding path program 1 times [2020-10-13 08:10:06,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:10:06,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [86907115] [2020-10-13 08:10:06,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:10:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:06,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:07,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:07,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:08,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:08,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-13 08:10:08,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:10:08,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1574 [2020-10-13 08:10:08,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:08,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:10:08,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 08:10:08,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 08:10:08,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:10:08,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:10:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:08,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:08,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:08,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:10:08,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:08,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:10:08,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:08,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:10:08,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:08,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:10:08,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:08,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:10:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:08,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:08,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:08,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:10:08,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:08,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-13 08:10:08,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:08,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:10:08,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:08,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 08:10:08,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:08,882 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:10:08,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [86907115] [2020-10-13 08:10:08,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:10:08,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:10:08,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561970327] [2020-10-13 08:10:08,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:10:08,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:10:08,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:10:08,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:10:08,887 INFO L87 Difference]: Start difference. First operand 811 states and 1081 transitions. Second operand 5 states. [2020-10-13 08:10:10,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:10:10,666 INFO L93 Difference]: Finished difference Result 1247 states and 1720 transitions. [2020-10-13 08:10:10,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:10:10,704 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-10-13 08:10:10,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:10:10,710 INFO L225 Difference]: With dead ends: 1247 [2020-10-13 08:10:10,711 INFO L226 Difference]: Without dead ends: 819 [2020-10-13 08:10:10,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:10:10,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2020-10-13 08:10:10,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 811. [2020-10-13 08:10:10,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2020-10-13 08:10:10,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1077 transitions. [2020-10-13 08:10:10,745 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1077 transitions. Word has length 129 [2020-10-13 08:10:10,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:10:10,746 INFO L479 AbstractCegarLoop]: Abstraction has 811 states and 1077 transitions. [2020-10-13 08:10:10,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:10:10,747 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1077 transitions. [2020-10-13 08:10:10,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-13 08:10:10,753 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:10:10,754 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:10:10,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:10:10,754 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:10:10,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:10:10,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1336359094, now seen corresponding path program 1 times [2020-10-13 08:10:10,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:10:10,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1821358587] [2020-10-13 08:10:10,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:10:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:10,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:10,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:11,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:12,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:12,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:12,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 08:10:12,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:10:12,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1513 [2020-10-13 08:10:12,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:12,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:10:12,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-13 08:10:12,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 08:10:12,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:12,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:10:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:12,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:12,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:12,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:10:12,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:12,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:10:12,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:12,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:10:12,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:12,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:10:12,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:10:12,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:10:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:12,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:12,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:12,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 08:10:12,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:12,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 08:10:12,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:10:12,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:12,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-13 08:10:12,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:12,559 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:10:12,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1821358587] [2020-10-13 08:10:12,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:10:12,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:10:12,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607230295] [2020-10-13 08:10:12,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:10:12,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:10:12,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:10:12,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:10:12,562 INFO L87 Difference]: Start difference. First operand 811 states and 1077 transitions. Second operand 5 states. [2020-10-13 08:10:14,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:10:14,234 INFO L93 Difference]: Finished difference Result 1255 states and 1722 transitions. [2020-10-13 08:10:14,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:10:14,235 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2020-10-13 08:10:14,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:10:14,242 INFO L225 Difference]: With dead ends: 1255 [2020-10-13 08:10:14,243 INFO L226 Difference]: Without dead ends: 819 [2020-10-13 08:10:14,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:10:14,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2020-10-13 08:10:14,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 811. [2020-10-13 08:10:14,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2020-10-13 08:10:14,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1071 transitions. [2020-10-13 08:10:14,284 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1071 transitions. Word has length 135 [2020-10-13 08:10:14,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:10:14,285 INFO L479 AbstractCegarLoop]: Abstraction has 811 states and 1071 transitions. [2020-10-13 08:10:14,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:10:14,285 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1071 transitions. [2020-10-13 08:10:14,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-13 08:10:14,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:10:14,287 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:10:14,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:10:14,288 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:10:14,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:10:14,289 INFO L82 PathProgramCache]: Analyzing trace with hash 913413906, now seen corresponding path program 1 times [2020-10-13 08:10:14,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:10:14,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1232005496] [2020-10-13 08:10:14,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:10:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:14,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:14,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:14,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:15,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:15,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-13 08:10:15,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:10:15,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1144 [2020-10-13 08:10:15,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:15,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:10:15,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-13 08:10:15,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 08:10:15,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:15,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:10:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:15,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:15,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:15,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:10:15,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:15,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 08:10:15,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:15,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:10:15,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:15,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:10:15,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:10:15,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:10:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:15,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:15,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:15,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 08:10:15,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:15,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-13 08:10:15,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:15,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:10:15,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:15,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-13 08:10:15,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:15,826 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:10:15,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1232005496] [2020-10-13 08:10:15,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:10:15,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:10:15,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341814771] [2020-10-13 08:10:15,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:10:15,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:10:15,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:10:15,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:10:15,829 INFO L87 Difference]: Start difference. First operand 811 states and 1071 transitions. Second operand 5 states. [2020-10-13 08:10:17,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:10:17,372 INFO L93 Difference]: Finished difference Result 1253 states and 1708 transitions. [2020-10-13 08:10:17,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:10:17,373 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2020-10-13 08:10:17,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:10:17,378 INFO L225 Difference]: With dead ends: 1253 [2020-10-13 08:10:17,378 INFO L226 Difference]: Without dead ends: 819 [2020-10-13 08:10:17,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:10:17,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2020-10-13 08:10:17,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 811. [2020-10-13 08:10:17,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2020-10-13 08:10:17,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1069 transitions. [2020-10-13 08:10:17,404 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1069 transitions. Word has length 139 [2020-10-13 08:10:17,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:10:17,405 INFO L479 AbstractCegarLoop]: Abstraction has 811 states and 1069 transitions. [2020-10-13 08:10:17,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:10:17,405 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1069 transitions. [2020-10-13 08:10:17,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-13 08:10:17,407 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:10:17,407 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:10:17,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:10:17,408 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:10:17,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:10:17,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1556554486, now seen corresponding path program 1 times [2020-10-13 08:10:17,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:10:17,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [296537060] [2020-10-13 08:10:17,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:10:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:17,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:17,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:18,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:18,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 08:10:18,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:10:18,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 722 [2020-10-13 08:10:18,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:18,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:10:18,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-13 08:10:18,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 08:10:18,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:10:18,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:10:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:18,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:18,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:18,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:10:18,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:18,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:10:18,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:18,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:10:18,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:18,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:10:18,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:18,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:10:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:18,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:18,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:18,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:10:18,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:18,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-13 08:10:18,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:18,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:10:18,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:18,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-13 08:10:18,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:10:18,524 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:10:18,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [296537060] [2020-10-13 08:10:18,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:10:18,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:10:18,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83367387] [2020-10-13 08:10:18,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:10:18,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:10:18,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:10:18,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:10:18,528 INFO L87 Difference]: Start difference. First operand 811 states and 1069 transitions. Second operand 5 states. [2020-10-13 08:10:20,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:10:20,643 INFO L93 Difference]: Finished difference Result 1642 states and 2285 transitions. [2020-10-13 08:10:20,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:10:20,643 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-10-13 08:10:20,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:10:20,651 INFO L225 Difference]: With dead ends: 1642 [2020-10-13 08:10:20,652 INFO L226 Difference]: Without dead ends: 1223 [2020-10-13 08:10:20,654 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 [2020-10-13 08:10:20,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2020-10-13 08:10:20,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1212. [2020-10-13 08:10:20,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1212 states. [2020-10-13 08:10:20,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1598 transitions. [2020-10-13 08:10:20,694 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1598 transitions. Word has length 141 [2020-10-13 08:10:20,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:10:20,694 INFO L479 AbstractCegarLoop]: Abstraction has 1212 states and 1598 transitions. [2020-10-13 08:10:20,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:10:20,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1598 transitions. [2020-10-13 08:10:20,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-13 08:10:20,697 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:10:20,697 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:10:20,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:10:20,697 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:10:20,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:10:20,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1494106758, now seen corresponding path program 1 times [2020-10-13 08:10:20,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:10:20,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1351009978] [2020-10-13 08:10:20,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:10:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:20,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:20,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:21,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:21,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-13 08:10:21,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:10:21,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 812 [2020-10-13 08:10:21,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:21,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:10:21,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 08:10:21,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 08:10:21,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:21,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:10:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:21,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:21,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:21,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:10:21,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:21,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:10:21,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:21,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:10:21,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:21,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:10:21,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:21,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:10:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:21,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:21,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:21,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:10:21,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:21,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-13 08:10:21,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:21,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:10:21,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:21,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 08:10:21,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:21,793 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:10:21,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1351009978] [2020-10-13 08:10:21,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:10:21,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:10:21,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423758554] [2020-10-13 08:10:21,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:10:21,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:10:21,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:10:21,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:10:21,796 INFO L87 Difference]: Start difference. First operand 1212 states and 1598 transitions. Second operand 5 states. [2020-10-13 08:10:23,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:10:23,989 INFO L93 Difference]: Finished difference Result 3023 states and 4098 transitions. [2020-10-13 08:10:23,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:10:23,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-10-13 08:10:23,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:10:24,003 INFO L225 Difference]: With dead ends: 3023 [2020-10-13 08:10:24,004 INFO L226 Difference]: Without dead ends: 1817 [2020-10-13 08:10:24,008 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 [2020-10-13 08:10:24,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1817 states. [2020-10-13 08:10:24,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1817 to 1789. [2020-10-13 08:10:24,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1789 states. [2020-10-13 08:10:24,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1789 states and 2317 transitions. [2020-10-13 08:10:24,077 INFO L78 Accepts]: Start accepts. Automaton has 1789 states and 2317 transitions. Word has length 149 [2020-10-13 08:10:24,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:10:24,077 INFO L479 AbstractCegarLoop]: Abstraction has 1789 states and 2317 transitions. [2020-10-13 08:10:24,077 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:10:24,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2317 transitions. [2020-10-13 08:10:24,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-13 08:10:24,082 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:10:24,082 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:10:24,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:10:24,083 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:10:24,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:10:24,083 INFO L82 PathProgramCache]: Analyzing trace with hash -978101320, now seen corresponding path program 1 times [2020-10-13 08:10:24,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:10:24,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [497220861] [2020-10-13 08:10:24,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:10:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:24,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:24,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:24,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:26,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:26,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-13 08:10:26,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:10:26,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2334 [2020-10-13 08:10:26,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:26,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:10:26,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-10-13 08:10:26,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:10:26,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:10:26,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:10:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:26,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:26,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:26,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:10:26,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:26,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:10:26,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:26,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:10:26,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:26,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:10:26,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:26,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:10:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:26,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:26,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:26,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-13 08:10:26,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:26,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-13 08:10:26,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:26,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:10:26,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:26,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-13 08:10:26,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:10:26,975 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:10:26,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [497220861] [2020-10-13 08:10:26,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:10:26,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:10:26,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097259987] [2020-10-13 08:10:26,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:10:26,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:10:26,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:10:26,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:10:26,986 INFO L87 Difference]: Start difference. First operand 1789 states and 2317 transitions. Second operand 5 states. [2020-10-13 08:10:28,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:10:28,822 INFO L93 Difference]: Finished difference Result 3021 states and 3988 transitions. [2020-10-13 08:10:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:10:28,825 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 198 [2020-10-13 08:10:28,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:10:28,834 INFO L225 Difference]: With dead ends: 3021 [2020-10-13 08:10:28,835 INFO L226 Difference]: Without dead ends: 1803 [2020-10-13 08:10:28,839 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 [2020-10-13 08:10:28,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2020-10-13 08:10:28,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1789. [2020-10-13 08:10:28,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1789 states. [2020-10-13 08:10:28,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1789 states and 2311 transitions. [2020-10-13 08:10:28,909 INFO L78 Accepts]: Start accepts. Automaton has 1789 states and 2311 transitions. Word has length 198 [2020-10-13 08:10:28,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:10:28,910 INFO L479 AbstractCegarLoop]: Abstraction has 1789 states and 2311 transitions. [2020-10-13 08:10:28,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:10:28,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2311 transitions. [2020-10-13 08:10:28,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-13 08:10:28,914 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:10:28,914 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, 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] [2020-10-13 08:10:28,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:10:28,915 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:10:28,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:10:28,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1036968074, now seen corresponding path program 1 times [2020-10-13 08:10:28,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:10:28,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1119076818] [2020-10-13 08:10:28,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:10:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:28,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:29,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:30,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:31,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:31,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-13 08:10:31,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:10:31,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2587 [2020-10-13 08:10:31,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:31,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:10:31,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-13 08:10:31,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 08:10:31,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:31,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:10:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:31,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:31,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:31,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:10:31,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:31,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:10:31,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:31,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:10:31,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:31,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:10:31,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:31,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:10:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:31,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:31,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:31,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 08:10:31,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:31,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 08:10:31,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:31,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:10:31,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:31,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:10:31,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:31,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 08:10:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:31,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:31,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:31,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:10:31,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:31,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 08:10:31,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:31,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:10:31,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:31,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 08:10:31,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:10:31,851 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:10:31,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1119076818] [2020-10-13 08:10:31,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:10:31,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:10:31,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81166115] [2020-10-13 08:10:31,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:10:31,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:10:31,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:10:31,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:10:31,855 INFO L87 Difference]: Start difference. First operand 1789 states and 2311 transitions. Second operand 5 states. [2020-10-13 08:10:34,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:10:34,024 INFO L93 Difference]: Finished difference Result 3583 states and 4804 transitions. [2020-10-13 08:10:34,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:10:34,025 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 213 [2020-10-13 08:10:34,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:10:34,035 INFO L225 Difference]: With dead ends: 3583 [2020-10-13 08:10:34,035 INFO L226 Difference]: Without dead ends: 2378 [2020-10-13 08:10:34,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:10:34,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2378 states. [2020-10-13 08:10:34,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2378 to 2366. [2020-10-13 08:10:34,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2366 states. [2020-10-13 08:10:34,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 2366 states and 3016 transitions. [2020-10-13 08:10:34,096 INFO L78 Accepts]: Start accepts. Automaton has 2366 states and 3016 transitions. Word has length 213 [2020-10-13 08:10:34,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:10:34,097 INFO L479 AbstractCegarLoop]: Abstraction has 2366 states and 3016 transitions. [2020-10-13 08:10:34,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:10:34,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 3016 transitions. [2020-10-13 08:10:34,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-13 08:10:34,102 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:10:34,102 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:10:34,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:10:34,103 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:10:34,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:10:34,103 INFO L82 PathProgramCache]: Analyzing trace with hash 986963986, now seen corresponding path program 1 times [2020-10-13 08:10:34,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:10:34,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [48020463] [2020-10-13 08:10:34,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:10:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:34,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:34,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:35,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:35,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-13 08:10:35,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:10:35,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 965 [2020-10-13 08:10:35,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:35,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:10:35,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-10-13 08:10:35,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 08:10:35,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:35,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:10:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:35,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:35,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:35,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:10:35,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:35,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:10:35,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:10:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:10:35,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:35,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:10:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:35,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:35,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:35,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-13 08:10:35,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:35,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-13 08:10:35,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:35,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:10:35,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:35,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-13 08:10:35,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:10:35,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [48020463] [2020-10-13 08:10:35,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:10:35,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:10:35,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520458355] [2020-10-13 08:10:35,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:10:35,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:10:35,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:10:35,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:10:35,482 INFO L87 Difference]: Start difference. First operand 2366 states and 3016 transitions. Second operand 5 states. [2020-10-13 08:10:37,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:10:37,657 INFO L93 Difference]: Finished difference Result 4730 states and 6199 transitions. [2020-10-13 08:10:37,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:10:37,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 221 [2020-10-13 08:10:37,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:10:37,669 INFO L225 Difference]: With dead ends: 4730 [2020-10-13 08:10:37,669 INFO L226 Difference]: Without dead ends: 2948 [2020-10-13 08:10:37,674 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 [2020-10-13 08:10:37,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2948 states. [2020-10-13 08:10:37,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2948 to 2748. [2020-10-13 08:10:37,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2748 states. [2020-10-13 08:10:37,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 2748 states and 3484 transitions. [2020-10-13 08:10:37,738 INFO L78 Accepts]: Start accepts. Automaton has 2748 states and 3484 transitions. Word has length 221 [2020-10-13 08:10:37,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:10:37,739 INFO L479 AbstractCegarLoop]: Abstraction has 2748 states and 3484 transitions. [2020-10-13 08:10:37,739 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:10:37,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2748 states and 3484 transitions. [2020-10-13 08:10:37,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-13 08:10:37,744 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:10:37,745 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:10:37,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:10:37,745 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:10:37,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:10:37,746 INFO L82 PathProgramCache]: Analyzing trace with hash 185085534, now seen corresponding path program 1 times [2020-10-13 08:10:37,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:10:37,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1900125293] [2020-10-13 08:10:37,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:10:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:37,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:37,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:38,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:38,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:40,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:40,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-13 08:10:40,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:10:40,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3055 [2020-10-13 08:10:40,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:40,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:10:40,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 190 [2020-10-13 08:10:40,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 08:10:40,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:40,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:10:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:40,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:40,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:40,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:10:40,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:40,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:10:40,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:40,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:10:40,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:40,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:10:40,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:40,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:10:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:40,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:40,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:40,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 08:10:40,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:40,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 08:10:40,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:10:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:10:40,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:40,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 08:10:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:40,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:41,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:41,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-13 08:10:41,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:41,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 08:10:41,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:41,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:10:41,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:41,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 08:10:41,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:41,052 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-13 08:10:41,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1900125293] [2020-10-13 08:10:41,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:10:41,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:10:41,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287030223] [2020-10-13 08:10:41,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:10:41,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:10:41,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:10:41,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:10:41,055 INFO L87 Difference]: Start difference. First operand 2748 states and 3484 transitions. Second operand 5 states. [2020-10-13 08:10:43,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:10:43,556 INFO L93 Difference]: Finished difference Result 6470 states and 8393 transitions. [2020-10-13 08:10:43,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:10:43,564 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 233 [2020-10-13 08:10:43,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:10:43,578 INFO L225 Difference]: With dead ends: 6470 [2020-10-13 08:10:43,578 INFO L226 Difference]: Without dead ends: 3728 [2020-10-13 08:10:43,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:10:43,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3728 states. [2020-10-13 08:10:43,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3728 to 3513. [2020-10-13 08:10:43,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3513 states. [2020-10-13 08:10:43,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3513 states to 3513 states and 4438 transitions. [2020-10-13 08:10:43,668 INFO L78 Accepts]: Start accepts. Automaton has 3513 states and 4438 transitions. Word has length 233 [2020-10-13 08:10:43,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:10:43,669 INFO L479 AbstractCegarLoop]: Abstraction has 3513 states and 4438 transitions. [2020-10-13 08:10:43,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:10:43,669 INFO L276 IsEmpty]: Start isEmpty. Operand 3513 states and 4438 transitions. [2020-10-13 08:10:43,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-13 08:10:43,676 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:10:43,676 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:10:43,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:10:43,677 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:10:43,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:10:43,677 INFO L82 PathProgramCache]: Analyzing trace with hash -101563807, now seen corresponding path program 1 times [2020-10-13 08:10:43,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:10:43,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1712931346] [2020-10-13 08:10:43,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:10:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:43,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:43,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:44,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:46,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:46,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-13 08:10:46,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:10:46,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2396 [2020-10-13 08:10:46,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:46,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:10:46,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 204 [2020-10-13 08:10:46,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 08:10:46,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:46,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:10:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:46,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:46,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:46,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:10:46,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:46,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:10:46,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:46,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:10:46,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:46,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:10:46,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:46,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:10:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:46,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:46,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:46,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 08:10:46,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:46,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 08:10:46,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:46,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:10:46,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:46,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:10:46,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:46,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 08:10:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:46,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:46,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:46,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 08:10:46,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:46,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-13 08:10:46,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:46,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:10:46,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:46,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-13 08:10:46,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:46,432 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-13 08:10:46,433 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1712931346] [2020-10-13 08:10:46,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:10:46,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:10:46,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090971974] [2020-10-13 08:10:46,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:10:46,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:10:46,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:10:46,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:10:46,436 INFO L87 Difference]: Start difference. First operand 3513 states and 4438 transitions. Second operand 5 states. [2020-10-13 08:10:49,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:10:49,117 INFO L93 Difference]: Finished difference Result 7819 states and 10188 transitions. [2020-10-13 08:10:49,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:10:49,118 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 247 [2020-10-13 08:10:49,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:10:49,138 INFO L225 Difference]: With dead ends: 7819 [2020-10-13 08:10:49,138 INFO L226 Difference]: Without dead ends: 5080 [2020-10-13 08:10:49,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:10:49,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5080 states. [2020-10-13 08:10:49,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5080 to 5055. [2020-10-13 08:10:49,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5055 states. [2020-10-13 08:10:49,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5055 states to 5055 states and 6358 transitions. [2020-10-13 08:10:49,283 INFO L78 Accepts]: Start accepts. Automaton has 5055 states and 6358 transitions. Word has length 247 [2020-10-13 08:10:49,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:10:49,283 INFO L479 AbstractCegarLoop]: Abstraction has 5055 states and 6358 transitions. [2020-10-13 08:10:49,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:10:49,284 INFO L276 IsEmpty]: Start isEmpty. Operand 5055 states and 6358 transitions. [2020-10-13 08:10:49,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-10-13 08:10:49,301 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:10:49,302 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:10:49,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:10:49,302 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:10:49,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:10:49,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1182531927, now seen corresponding path program 1 times [2020-10-13 08:10:49,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:10:49,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [420062693] [2020-10-13 08:10:49,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:10:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:49,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:49,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:50,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:51,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:51,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-13 08:10:51,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:10:51,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1791 [2020-10-13 08:10:51,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:51,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:10:51,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 205 [2020-10-13 08:10:51,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 08:10:51,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:51,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:10:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:51,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:51,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:51,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:10:51,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:51,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:10:51,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:51,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:10:51,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:51,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:10:51,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:51,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:10:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:51,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:51,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:51,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 08:10:51,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:51,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 08:10:51,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:51,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:10:51,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:51,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:10:51,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:51,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 08:10:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:51,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:51,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:51,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-13 08:10:51,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:51,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-13 08:10:51,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:51,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:10:51,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:51,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-13 08:10:51,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:51,458 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-13 08:10:51,458 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [420062693] [2020-10-13 08:10:51,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:10:51,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:10:51,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987673067] [2020-10-13 08:10:51,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:10:51,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:10:51,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:10:51,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:10:51,460 INFO L87 Difference]: Start difference. First operand 5055 states and 6358 transitions. Second operand 5 states. [2020-10-13 08:10:54,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:10:54,049 INFO L93 Difference]: Finished difference Result 11470 states and 14759 transitions. [2020-10-13 08:10:54,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:10:54,050 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 248 [2020-10-13 08:10:54,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:10:54,077 INFO L225 Difference]: With dead ends: 11470 [2020-10-13 08:10:54,077 INFO L226 Difference]: Without dead ends: 6421 [2020-10-13 08:10:54,087 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:10:54,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6421 states. [2020-10-13 08:10:54,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6421 to 6385. [2020-10-13 08:10:54,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6385 states. [2020-10-13 08:10:54,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6385 states to 6385 states and 8025 transitions. [2020-10-13 08:10:54,225 INFO L78 Accepts]: Start accepts. Automaton has 6385 states and 8025 transitions. Word has length 248 [2020-10-13 08:10:54,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:10:54,226 INFO L479 AbstractCegarLoop]: Abstraction has 6385 states and 8025 transitions. [2020-10-13 08:10:54,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:10:54,226 INFO L276 IsEmpty]: Start isEmpty. Operand 6385 states and 8025 transitions. [2020-10-13 08:10:54,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-10-13 08:10:54,236 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:10:54,237 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:10:54,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 08:10:54,237 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:10:54,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:10:54,238 INFO L82 PathProgramCache]: Analyzing trace with hash 697007299, now seen corresponding path program 1 times [2020-10-13 08:10:54,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:10:54,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [166735570] [2020-10-13 08:10:54,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:10:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:54,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:54,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:54,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:55,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:55,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:56,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:58,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:58,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-10-13 08:10:58,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:10:58,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4570 [2020-10-13 08:10:58,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:58,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:10:58,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-13 08:10:58,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 08:10:58,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:58,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:10:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:58,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:58,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:58,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:10:58,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:58,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:10:58,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:58,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:10:58,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:58,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:10:58,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:58,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:10:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:58,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:59,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:59,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 08:10:59,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:10:59,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-13 08:10:59,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:59,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:10:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:10:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-13 08:10:59,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:59,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 08:10:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:10:59,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:59,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:10:59,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:10:59,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 08:10:59,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:10:59,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-10-13 08:10:59,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:10:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:10:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:10:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 08:10:59,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:10:59,442 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 176 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 08:10:59,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [166735570] [2020-10-13 08:10:59,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:10:59,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:10:59,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819408881] [2020-10-13 08:10:59,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:10:59,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:10:59,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:10:59,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:10:59,444 INFO L87 Difference]: Start difference. First operand 6385 states and 8025 transitions. Second operand 7 states. [2020-10-13 08:11:02,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:11:02,857 INFO L93 Difference]: Finished difference Result 15266 states and 20259 transitions. [2020-10-13 08:11:02,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 08:11:02,858 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 279 [2020-10-13 08:11:02,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:11:02,892 INFO L225 Difference]: With dead ends: 15266 [2020-10-13 08:11:02,893 INFO L226 Difference]: Without dead ends: 8863 [2020-10-13 08:11:02,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:11:02,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8863 states. [2020-10-13 08:11:03,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8863 to 8541. [2020-10-13 08:11:03,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8541 states. [2020-10-13 08:11:03,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8541 states to 8541 states and 10969 transitions. [2020-10-13 08:11:03,116 INFO L78 Accepts]: Start accepts. Automaton has 8541 states and 10969 transitions. Word has length 279 [2020-10-13 08:11:03,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:11:03,117 INFO L479 AbstractCegarLoop]: Abstraction has 8541 states and 10969 transitions. [2020-10-13 08:11:03,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:11:03,117 INFO L276 IsEmpty]: Start isEmpty. Operand 8541 states and 10969 transitions. [2020-10-13 08:11:03,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-10-13 08:11:03,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:11:03,144 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, 3, 3, 3, 3, 3, 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] [2020-10-13 08:11:03,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 08:11:03,145 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:11:03,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:11:03,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1844371258, now seen corresponding path program 1 times [2020-10-13 08:11:03,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:11:03,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915503824] [2020-10-13 08:11:03,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:11:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:03,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:03,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:03,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:05,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:05,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:06,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:08,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:08,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 323 [2020-10-13 08:11:08,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:11:08,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 08:11:08,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:11:08,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 268 [2020-10-13 08:11:08,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 08:11:08,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:08,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:11:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:08,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:08,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:08,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:11:08,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:08,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:11:08,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:08,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:08,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:08,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:08,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:08,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:11:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:08,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:08,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:08,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:11:08,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:08,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:11:08,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:08,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:08,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:08,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 08:11:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:08,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:08,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:08,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:11:08,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:08,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 08:11:08,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:08,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:08,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:08,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-13 08:11:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:08,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:08,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:08,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 08:11:08,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:08,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 08:11:08,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:08,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:08,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:08,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 08:11:08,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:08,470 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 147 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2020-10-13 08:11:08,470 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915503824] [2020-10-13 08:11:08,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:11:08,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:11:08,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089939768] [2020-10-13 08:11:08,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:11:08,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:11:08,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:11:08,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:11:08,472 INFO L87 Difference]: Start difference. First operand 8541 states and 10969 transitions. Second operand 5 states. [2020-10-13 08:11:10,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:11:10,876 INFO L93 Difference]: Finished difference Result 23792 states and 31237 transitions. [2020-10-13 08:11:10,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:11:10,877 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 309 [2020-10-13 08:11:10,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:11:10,953 INFO L225 Difference]: With dead ends: 23792 [2020-10-13 08:11:10,953 INFO L226 Difference]: Without dead ends: 15257 [2020-10-13 08:11:10,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:11:10,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15257 states. [2020-10-13 08:11:11,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15257 to 15236. [2020-10-13 08:11:11,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15236 states. [2020-10-13 08:11:11,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15236 states to 15236 states and 19801 transitions. [2020-10-13 08:11:11,301 INFO L78 Accepts]: Start accepts. Automaton has 15236 states and 19801 transitions. Word has length 309 [2020-10-13 08:11:11,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:11:11,302 INFO L479 AbstractCegarLoop]: Abstraction has 15236 states and 19801 transitions. [2020-10-13 08:11:11,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:11:11,302 INFO L276 IsEmpty]: Start isEmpty. Operand 15236 states and 19801 transitions. [2020-10-13 08:11:11,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-10-13 08:11:11,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:11:11,329 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, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:11:11,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 08:11:11,330 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:11:11,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:11:11,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1585561832, now seen corresponding path program 1 times [2020-10-13 08:11:11,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:11:11,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277116166] [2020-10-13 08:11:11,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:11:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:11,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:11,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:11,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:12,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:15,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:16,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:16,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 363 [2020-10-13 08:11:16,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:11:16,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 08:11:16,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:16,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:11:16,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 308 [2020-10-13 08:11:16,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 08:11:16,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:16,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:11:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:16,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:16,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:16,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:11:16,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:16,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:11:16,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:16,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:16,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:16,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:16,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:16,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:11:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:16,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:16,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:16,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:11:16,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:16,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:11:16,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:16,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:16,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:16,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:16,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:16,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 08:11:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:16,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:16,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:16,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:11:16,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:16,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 08:11:16,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:16,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:16,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:16,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:16,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:16,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-13 08:11:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:16,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:16,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:16,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 08:11:16,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:16,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-13 08:11:16,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:16,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:16,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:16,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-13 08:11:16,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:16,687 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 147 proven. 3 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2020-10-13 08:11:16,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277116166] [2020-10-13 08:11:16,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:11:16,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:11:16,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077133949] [2020-10-13 08:11:16,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:11:16,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:11:16,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:11:16,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:11:16,689 INFO L87 Difference]: Start difference. First operand 15236 states and 19801 transitions. Second operand 5 states. [2020-10-13 08:11:18,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:11:18,788 INFO L93 Difference]: Finished difference Result 27004 states and 35291 transitions. [2020-10-13 08:11:18,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:11:18,789 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 349 [2020-10-13 08:11:18,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:11:18,791 INFO L225 Difference]: With dead ends: 27004 [2020-10-13 08:11:18,791 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:11:18,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:11:18,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:11:18,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:11:18,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:11:18,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:11:18,829 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 349 [2020-10-13 08:11:18,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:11:18,829 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:11:18,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:11:18,829 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:11:18,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:11:18,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 08:11:18,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:11:19,673 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 66 [2020-10-13 08:11:20,001 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 66 [2020-10-13 08:11:21,053 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 37 [2020-10-13 08:11:21,222 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:11:21,223 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)|)) [2020-10-13 08:11:21,223 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:11:21,223 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-13 08:11:21,223 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-13 08:11:21,223 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-13 08:11:21,223 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,223 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,224 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,224 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,224 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,224 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,224 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,224 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-13 08:11:21,225 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-13 08:11:21,225 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-13 08:11:21,225 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,225 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,225 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,225 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,226 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,226 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,226 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,226 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,226 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,226 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-13 08:11:21,226 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-13 08:11:21,226 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-13 08:11:21,227 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,227 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,227 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,227 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,227 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,227 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,227 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,227 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,227 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,228 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-13 08:11:21,228 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-13 08:11:21,228 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-13 08:11:21,228 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-13 08:11:21,228 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-13 08:11:21,228 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-13 08:11:21,228 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-13 08:11:21,228 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,228 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,228 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,228 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,228 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,229 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,229 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,229 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,229 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,229 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,229 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-13 08:11:21,229 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-13 08:11:21,229 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-13 08:11:21,229 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,229 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,230 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,230 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,230 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,230 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-13 08:11:21,230 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-13 08:11:21,230 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-13 08:11:21,230 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,230 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,230 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,230 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,230 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,230 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-13 08:11:21,230 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-13 08:11:21,230 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,230 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,230 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,231 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,231 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,231 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,231 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-13 08:11:21,231 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-13 08:11:21,231 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,231 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,231 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-13 08:11:21,231 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-13 08:11:21,231 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-13 08:11:21,231 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,231 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,231 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,232 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,232 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,232 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,232 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,232 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-13 08:11:21,232 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-13 08:11:21,232 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-13 08:11:21,232 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-13 08:11:21,232 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-13 08:11:21,232 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-13 08:11:21,232 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-13 08:11:21,232 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,232 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,232 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-13 08:11:21,232 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-13 08:11:21,232 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,232 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,233 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,233 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,233 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse0 (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)))) (and (or (not (<= |old(~a25~0)| 9)) .cse0) (or (= |old(~a4~0)| 1) .cse0) (or .cse0 (not (<= 160 |old(~a23~0)|))) (or (not (<= |old(~a29~0)| 256)) .cse0) (or (not (= 10 |old(~a25~0)|)) .cse0) (or .cse0 (not (= 11 |old(~a25~0)|))))) [2020-10-13 08:11:21,233 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,233 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-13 08:11:21,233 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-13 08:11:21,233 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-13 08:11:21,233 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,234 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,234 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,234 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,234 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,234 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,234 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-13 08:11:21,234 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-13 08:11:21,234 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-13 08:11:21,234 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,234 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,234 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,234 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,234 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,235 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,235 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,235 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,235 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-13 08:11:21,235 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-13 08:11:21,235 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-13 08:11:21,235 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,235 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,235 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,235 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,235 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,235 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,235 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,235 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,235 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,236 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,236 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,236 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-13 08:11:21,236 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-13 08:11:21,236 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-13 08:11:21,236 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-13 08:11:21,236 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-13 08:11:21,236 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,236 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,236 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,236 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,236 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,236 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,236 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,237 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-13 08:11:21,237 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-13 08:11:21,237 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-13 08:11:21,237 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,237 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,237 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,237 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-13 08:11:21,237 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-13 08:11:21,237 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,237 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,237 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,237 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,237 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,237 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 153) no Hoare annotation was computed. [2020-10-13 08:11:21,238 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-13 08:11:21,238 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-13 08:11:21,238 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,238 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,238 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-13 08:11:21,238 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-13 08:11:21,238 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,238 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,238 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,238 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,238 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,238 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,238 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-13 08:11:21,238 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-13 08:11:21,238 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-13 08:11:21,239 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-13 08:11:21,239 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,239 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,239 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,239 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,239 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,239 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,239 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,239 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,239 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-13 08:11:21,240 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-13 08:11:21,240 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-13 08:11:21,240 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-13 08:11:21,240 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-13 08:11:21,240 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-13 08:11:21,240 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,240 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,240 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,240 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,240 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,241 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,241 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,241 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-13 08:11:21,241 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-13 08:11:21,241 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,241 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,241 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,241 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,241 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,241 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,241 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,241 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-13 08:11:21,241 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-13 08:11:21,241 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,241 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,241 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,242 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,242 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,242 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,242 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,242 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-13 08:11:21,242 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,242 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,242 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,242 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-13 08:11:21,242 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-13 08:11:21,242 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-13 08:11:21,242 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,242 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-13 08:11:21,242 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,242 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-13 08:11:21,242 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,243 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,243 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,243 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,243 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,243 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,243 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-13 08:11:21,243 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-13 08:11:21,243 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-13 08:11:21,243 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,243 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,243 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,243 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,243 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,244 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,244 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,244 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,244 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,244 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,244 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-13 08:11:21,244 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-13 08:11:21,244 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-13 08:11:21,245 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,245 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-13 08:11:21,245 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-13 08:11:21,245 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,245 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,245 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,245 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,245 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,245 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,246 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-13 08:11:21,246 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-13 08:11:21,246 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-13 08:11:21,246 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,246 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,246 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,246 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,246 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-13 08:11:21,246 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-13 08:11:21,246 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,247 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,247 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-13 08:11:21,247 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,247 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,247 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:11:21,247 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:11:21,247 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 10) (<= ~a29~0 256) (= ~a23~0 312)) [2020-10-13 08:11:21,247 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:11:21,247 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:11:21,248 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (<= |old(~a29~0)| 256)) (not (= 312 |old(~a23~0)|)) (not (= 10 |old(~a25~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a23~0 312))) [2020-10-13 08:11:21,248 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-13 08:11:21,248 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (or (not (<= |old(~a29~0)| 256)) (= ~a25~0 11) (not (= 312 |old(~a23~0)|)) (= ~a25~0 10) (<= ~a25~0 9) (<= ~a29~0 256) (not (= 10 |old(~a25~0)|)) (not (= ~a4~0 1)) (<= 160 ~a23~0)) [2020-10-13 08:11:21,248 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-13 08:11:21,248 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-13 08:11:21,248 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (or (not (<= |old(~a29~0)| 256)) (= ~a25~0 11) (not (= 312 |old(~a23~0)|)) (= ~a25~0 10) (<= ~a25~0 9) (<= ~a29~0 256) (not (= 10 |old(~a25~0)|)) (not (= ~a4~0 1)) (<= 160 ~a23~0)) [2020-10-13 08:11:21,248 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-13 08:11:21,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:11:21 BoogieIcfgContainer [2020-10-13 08:11:21,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:11:21,274 INFO L168 Benchmark]: Toolchain (without parser) took 88633.06 ms. Allocated memory was 140.5 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 100.7 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-10-13 08:11:21,275 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 08:11:21,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 930.58 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 147.3 MB in the end (delta: -46.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2020-10-13 08:11:21,276 INFO L168 Benchmark]: Boogie Preprocessor took 198.62 ms. Allocated memory is still 205.0 MB. Free memory was 147.3 MB in the beginning and 139.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2020-10-13 08:11:21,277 INFO L168 Benchmark]: RCFGBuilder took 2122.77 ms. Allocated memory was 205.0 MB in the beginning and 249.0 MB in the end (delta: 44.0 MB). Free memory was 139.4 MB in the beginning and 211.1 MB in the end (delta: -71.7 MB). Peak memory consumption was 94.3 MB. Max. memory is 7.1 GB. [2020-10-13 08:11:21,277 INFO L168 Benchmark]: TraceAbstraction took 85375.45 ms. Allocated memory was 249.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 211.1 MB in the beginning and 1.2 GB in the end (delta: -963.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-10-13 08:11:21,281 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 930.58 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 147.3 MB in the end (delta: -46.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 198.62 ms. Allocated memory is still 205.0 MB. Free memory was 147.3 MB in the beginning and 139.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2122.77 ms. Allocated memory was 205.0 MB in the beginning and 249.0 MB in the end (delta: 44.0 MB). Free memory was 139.4 MB in the beginning and 211.1 MB in the end (delta: -71.7 MB). Peak memory consumption was 94.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 85375.45 ms. Allocated memory was 249.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 211.1 MB in the beginning and 1.2 GB in the end (delta: -963.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 153]: 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: (((((((!(\old(a29) <= 256) || a25 == 11) || !(312 == \old(a23))) || a25 == 10) || a25 <= 9) || a29 <= 256) || !(10 == \old(a25))) || !(a4 == 1)) || 160 <= a23 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 82.8s, OverallIterations: 17, TraceHistogramMax: 4, AutomataDifference: 37.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 744 SDtfs, 7086 SDslu, 913 SDs, 0 SdLazy, 19100 SolverSat, 1491 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 209 GetRequests, 133 SyntacticMatches, 3 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15236occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 17 MinimizatonAttempts, 936 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 348 PreInvPairs, 574 NumberOfFragments, 246 HoareAnnotationTreeSize, 348 FomulaSimplifications, 13352829 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6281 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 41.8s InterpolantComputationTime, 3300 NumberOfCodeBlocks, 3300 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3283 ConstructedInterpolants, 0 QuantifiedInterpolants, 1555083 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 1 PerfectInterpolantSequences, 2077/2102 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...