/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_label12.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:06:06,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:06:06,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:06:06,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:06:06,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:06:06,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:06:06,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:06:06,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:06:06,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:06:06,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:06:06,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:06:06,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:06:06,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:06:06,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:06:06,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:06:06,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:06:06,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:06:06,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:06:06,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:06:06,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:06:06,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:06:06,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:06:06,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:06:06,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:06:06,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:06:06,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:06:06,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:06:06,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:06:06,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:06:06,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:06:06,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:06:06,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:06:06,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:06:06,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:06:06,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:06:06,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:06:06,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:06:06,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:06:06,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:06:06,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:06:06,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:06:06,088 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 08:06:06,134 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:06:06,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:06:06,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:06:06,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:06:06,136 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:06:06,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:06:06,136 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:06:06,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:06:06,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:06:06,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:06:06,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:06:06,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:06:06,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:06:06,138 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:06:06,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:06:06,138 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:06:06,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:06:06,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:06:06,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:06:06,139 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:06:06,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:06:06,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:06:06,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:06:06,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:06:06,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:06:06,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:06:06,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:06:06,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:06:06,140 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:06:06,141 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 08:06:06,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:06:06,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:06:06,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:06:06,525 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:06:06,527 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:06:06,528 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label12.c [2020-10-13 08:06:06,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/80836d253/c69ad4289e194902875c2dece2fb5e55/FLAG2143114a7 [2020-10-13 08:06:07,193 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:06:07,194 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label12.c [2020-10-13 08:06:07,210 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/80836d253/c69ad4289e194902875c2dece2fb5e55/FLAG2143114a7 [2020-10-13 08:06:07,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/80836d253/c69ad4289e194902875c2dece2fb5e55 [2020-10-13 08:06:07,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:06:07,392 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:06:07,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:06:07,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:06:07,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:06:07,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:06:07" (1/1) ... [2020-10-13 08:06:07,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2759ebc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:07, skipping insertion in model container [2020-10-13 08:06:07,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:06:07" (1/1) ... [2020-10-13 08:06:07,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:06:07,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:06:08,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:06:08,210 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:06:08,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:06:08,444 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:06:08,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:08 WrapperNode [2020-10-13 08:06:08,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:06:08,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:06:08,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:06:08,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:06:08,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:08" (1/1) ... [2020-10-13 08:06:08,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:08" (1/1) ... [2020-10-13 08:06:08,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:08" (1/1) ... [2020-10-13 08:06:08,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:08" (1/1) ... [2020-10-13 08:06:08,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:08" (1/1) ... [2020-10-13 08:06:08,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:08" (1/1) ... [2020-10-13 08:06:08,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:08" (1/1) ... [2020-10-13 08:06:08,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:06:08,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:06:08,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:06:08,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:06:08,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:08" (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 08:06:08,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:06:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:06:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:06:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:06:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:06:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:06:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:06:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:06:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:06:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:06:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:06:10,498 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:06:10,499 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:06:10,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:06:10 BoogieIcfgContainer [2020-10-13 08:06:10,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:06:10,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:06:10,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:06:10,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:06:10,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:06:07" (1/3) ... [2020-10-13 08:06:10,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba6c22d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:06:10, skipping insertion in model container [2020-10-13 08:06:10,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:08" (2/3) ... [2020-10-13 08:06:10,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba6c22d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:06:10, skipping insertion in model container [2020-10-13 08:06:10,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:06:10" (3/3) ... [2020-10-13 08:06:10,516 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label12.c [2020-10-13 08:06:10,528 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:06:10,537 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:06:10,553 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:06:10,582 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:06:10,582 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:06:10,583 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:06:10,583 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:06:10,583 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:06:10,583 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:06:10,583 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:06:10,584 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:06:10,615 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-13 08:06:10,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-13 08:06:10,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:10,626 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] [2020-10-13 08:06:10,627 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:10,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:10,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1842297178, now seen corresponding path program 1 times [2020-10-13 08:06:10,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:10,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [594153982] [2020-10-13 08:06:10,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:10,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:11,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:11,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 08:06:11,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:11,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 345 [2020-10-13 08:06:11,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:11,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:06:11,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:06:11,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 08:06:11,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:06:11,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:11,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:11,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:11,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:11,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:11,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 08:06:11,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:11,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:11,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:11,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:06:11,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:11,352 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 08:06:11,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [594153982] [2020-10-13 08:06:11,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:06:11,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:06:11,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372603401] [2020-10-13 08:06:11,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:06:11,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:11,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:06:11,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:06:11,382 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-13 08:06:13,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:13,800 INFO L93 Difference]: Finished difference Result 805 states and 1402 transitions. [2020-10-13 08:06:13,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:13,804 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-10-13 08:06:13,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:13,823 INFO L225 Difference]: With dead ends: 805 [2020-10-13 08:06:13,824 INFO L226 Difference]: Without dead ends: 433 [2020-10-13 08:06:13,832 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 08:06:13,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2020-10-13 08:06:13,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 424. [2020-10-13 08:06:13,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-10-13 08:06:13,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 611 transitions. [2020-10-13 08:06:13,922 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 611 transitions. Word has length 31 [2020-10-13 08:06:13,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:13,923 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 611 transitions. [2020-10-13 08:06:13,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:06:13,923 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 611 transitions. [2020-10-13 08:06:13,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-13 08:06:13,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:13,930 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:13,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:06:13,931 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:13,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:13,932 INFO L82 PathProgramCache]: Analyzing trace with hash -381173926, now seen corresponding path program 1 times [2020-10-13 08:06:13,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:13,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697598107] [2020-10-13 08:06:13,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:14,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:14,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:14,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:14,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:14,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 08:06:14,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:06:14,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 953 [2020-10-13 08:06:14,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:14,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:14,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 08:06:14,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 08:06:14,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:06:15,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:15,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:15,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:15,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:15,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:15,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 08:06:15,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:15,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:15,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:15,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:15,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:15,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:15,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:15,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:15,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:06:15,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:15,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-13 08:06:15,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 08:06:15,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:15,445 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:06:15,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697598107] [2020-10-13 08:06:15,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:15,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:06:15,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793324824] [2020-10-13 08:06:15,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:06:15,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:15,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:06:15,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:06:15,459 INFO L87 Difference]: Start difference. First operand 424 states and 611 transitions. Second operand 6 states. [2020-10-13 08:06:17,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:17,700 INFO L93 Difference]: Finished difference Result 676 states and 1006 transitions. [2020-10-13 08:06:17,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:17,701 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2020-10-13 08:06:17,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:17,706 INFO L225 Difference]: With dead ends: 676 [2020-10-13 08:06:17,706 INFO L226 Difference]: Without dead ends: 430 [2020-10-13 08:06:17,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:06:17,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-10-13 08:06:17,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 424. [2020-10-13 08:06:17,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-10-13 08:06:17,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 609 transitions. [2020-10-13 08:06:17,736 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 609 transitions. Word has length 103 [2020-10-13 08:06:17,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:17,737 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 609 transitions. [2020-10-13 08:06:17,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:06:17,737 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 609 transitions. [2020-10-13 08:06:17,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-13 08:06:17,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:17,741 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:17,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:06:17,742 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:17,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:17,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1955402999, now seen corresponding path program 1 times [2020-10-13 08:06:17,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:17,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1962606496] [2020-10-13 08:06:17,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:17,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:17,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:18,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:18,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-13 08:06:18,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:06:18,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1051 [2020-10-13 08:06:18,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:18,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:18,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 08:06:18,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 08:06:18,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:18,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:18,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:18,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:18,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:18,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:18,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:06:18,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:18,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:18,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:18,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:19,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:19,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:06:19,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:19,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-13 08:06:19,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:19,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:19,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:19,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:06:19,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:06:19,070 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:06:19,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1962606496] [2020-10-13 08:06:19,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:19,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:19,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993505802] [2020-10-13 08:06:19,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:19,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:19,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:19,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:19,073 INFO L87 Difference]: Start difference. First operand 424 states and 609 transitions. Second operand 5 states. [2020-10-13 08:06:21,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:21,318 INFO L93 Difference]: Finished difference Result 1242 states and 1802 transitions. [2020-10-13 08:06:21,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:21,319 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2020-10-13 08:06:21,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:21,324 INFO L225 Difference]: With dead ends: 1242 [2020-10-13 08:06:21,325 INFO L226 Difference]: Without dead ends: 824 [2020-10-13 08:06:21,326 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 08:06:21,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2020-10-13 08:06:21,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 810. [2020-10-13 08:06:21,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 810 states. [2020-10-13 08:06:21,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1073 transitions. [2020-10-13 08:06:21,367 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1073 transitions. Word has length 104 [2020-10-13 08:06:21,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:21,367 INFO L479 AbstractCegarLoop]: Abstraction has 810 states and 1073 transitions. [2020-10-13 08:06:21,367 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:21,368 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1073 transitions. [2020-10-13 08:06:21,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-13 08:06:21,370 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:21,370 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:21,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:06:21,371 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:21,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:21,371 INFO L82 PathProgramCache]: Analyzing trace with hash -739457218, now seen corresponding path program 1 times [2020-10-13 08:06:21,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:21,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144989405] [2020-10-13 08:06:21,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:21,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:21,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:21,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:22,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:22,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 08:06:22,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:06:22,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1413 [2020-10-13 08:06:22,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:22,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:22,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 08:06:22,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 08:06:22,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:06:22,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:22,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:22,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:22,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:22,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:22,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:06:22,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:22,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:22,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:22,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:22,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:06:22,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:23,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:23,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:23,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:06:23,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:23,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-13 08:06:23,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 08:06:23,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:23,156 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:06:23,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [144989405] [2020-10-13 08:06:23,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:23,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:23,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132098095] [2020-10-13 08:06:23,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:23,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:23,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:23,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:23,162 INFO L87 Difference]: Start difference. First operand 810 states and 1073 transitions. Second operand 5 states. [2020-10-13 08:06:24,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:24,784 INFO L93 Difference]: Finished difference Result 1244 states and 1710 transitions. [2020-10-13 08:06:24,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:24,785 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 105 [2020-10-13 08:06:24,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:24,792 INFO L225 Difference]: With dead ends: 1244 [2020-10-13 08:06:24,792 INFO L226 Difference]: Without dead ends: 816 [2020-10-13 08:06:24,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:06:24,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2020-10-13 08:06:24,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 810. [2020-10-13 08:06:24,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 810 states. [2020-10-13 08:06:24,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1069 transitions. [2020-10-13 08:06:24,820 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1069 transitions. Word has length 105 [2020-10-13 08:06:24,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:24,820 INFO L479 AbstractCegarLoop]: Abstraction has 810 states and 1069 transitions. [2020-10-13 08:06:24,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:24,821 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1069 transitions. [2020-10-13 08:06:24,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-13 08:06:24,823 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:24,823 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:24,823 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:06:24,824 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:24,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:24,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1072563117, now seen corresponding path program 1 times [2020-10-13 08:06:24,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:24,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [306827989] [2020-10-13 08:06:24,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:24,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:25,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:25,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:25,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 08:06:25,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:06:25,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 691 [2020-10-13 08:06:25,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:25,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:25,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-13 08:06:25,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 08:06:25,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:25,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:25,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:25,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:25,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:25,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:25,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:25,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:25,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:25,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:25,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:25,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:25,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:25,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:25,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:25,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 08:06:25,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:25,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-13 08:06:25,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:25,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:25,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:25,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 08:06:25,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:25,750 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:06:25,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [306827989] [2020-10-13 08:06:25,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:25,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:25,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737609210] [2020-10-13 08:06:25,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:25,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:25,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:25,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:25,753 INFO L87 Difference]: Start difference. First operand 810 states and 1069 transitions. Second operand 5 states. [2020-10-13 08:06:28,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:28,256 INFO L93 Difference]: Finished difference Result 1624 states and 2272 transitions. [2020-10-13 08:06:28,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:28,257 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2020-10-13 08:06:28,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:28,265 INFO L225 Difference]: With dead ends: 1624 [2020-10-13 08:06:28,265 INFO L226 Difference]: Without dead ends: 1205 [2020-10-13 08:06:28,267 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 08:06:28,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2020-10-13 08:06:28,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 1197. [2020-10-13 08:06:28,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2020-10-13 08:06:28,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1540 transitions. [2020-10-13 08:06:28,316 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1540 transitions. Word has length 106 [2020-10-13 08:06:28,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:28,317 INFO L479 AbstractCegarLoop]: Abstraction has 1197 states and 1540 transitions. [2020-10-13 08:06:28,317 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:28,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1540 transitions. [2020-10-13 08:06:28,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-13 08:06:28,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:28,324 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:28,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:06:28,325 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:28,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:28,325 INFO L82 PathProgramCache]: Analyzing trace with hash 822625858, now seen corresponding path program 1 times [2020-10-13 08:06:28,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:28,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1484395707] [2020-10-13 08:06:28,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:28,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:28,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:29,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:29,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 08:06:29,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:06:29,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 965 [2020-10-13 08:06:29,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:29,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:29,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-13 08:06:29,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 08:06:29,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:29,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:29,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:29,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:29,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:29,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:29,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:06:29,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:29,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:29,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:29,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:29,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:29,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:29,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-13 08:06:29,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:29,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-13 08:06:29,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:29,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:29,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:29,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 08:06:29,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:06:29,668 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:06:29,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1484395707] [2020-10-13 08:06:29,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:29,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:29,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204784576] [2020-10-13 08:06:29,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:29,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:29,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:29,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:29,673 INFO L87 Difference]: Start difference. First operand 1197 states and 1540 transitions. Second operand 5 states. [2020-10-13 08:06:32,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:32,108 INFO L93 Difference]: Finished difference Result 2974 states and 3923 transitions. [2020-10-13 08:06:32,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:32,109 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2020-10-13 08:06:32,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:32,121 INFO L225 Difference]: With dead ends: 2974 [2020-10-13 08:06:32,121 INFO L226 Difference]: Without dead ends: 1783 [2020-10-13 08:06:32,125 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 08:06:32,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1783 states. [2020-10-13 08:06:32,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1783 to 1770. [2020-10-13 08:06:32,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1770 states. [2020-10-13 08:06:32,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1770 states and 2232 transitions. [2020-10-13 08:06:32,194 INFO L78 Accepts]: Start accepts. Automaton has 1770 states and 2232 transitions. Word has length 123 [2020-10-13 08:06:32,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:32,194 INFO L479 AbstractCegarLoop]: Abstraction has 1770 states and 2232 transitions. [2020-10-13 08:06:32,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:32,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2232 transitions. [2020-10-13 08:06:32,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-13 08:06:32,200 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:32,201 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:32,201 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:06:32,201 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:32,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:32,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1284783654, now seen corresponding path program 1 times [2020-10-13 08:06:32,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:32,202 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1924085251] [2020-10-13 08:06:32,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:32,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:32,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:32,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:32,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-13 08:06:32,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:06:32,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 619 [2020-10-13 08:06:32,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 08:06:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 08:06:32,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:06:32,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:32,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:32,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:32,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:32,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:32,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:06:32,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:32,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:32,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:32,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:32,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:32,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:32,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:33,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:33,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:06:33,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:33,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-13 08:06:33,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:33,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:33,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:33,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 08:06:33,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:33,095 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:06:33,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1924085251] [2020-10-13 08:06:33,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:33,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:33,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156517818] [2020-10-13 08:06:33,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:33,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:33,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:33,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:33,101 INFO L87 Difference]: Start difference. First operand 1770 states and 2232 transitions. Second operand 5 states. [2020-10-13 08:06:35,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:35,085 INFO L93 Difference]: Finished difference Result 4131 states and 5355 transitions. [2020-10-13 08:06:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:35,086 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-10-13 08:06:35,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:35,099 INFO L225 Difference]: With dead ends: 4131 [2020-10-13 08:06:35,099 INFO L226 Difference]: Without dead ends: 2367 [2020-10-13 08:06:35,105 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 08:06:35,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2020-10-13 08:06:35,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2342. [2020-10-13 08:06:35,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2342 states. [2020-10-13 08:06:35,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2342 states and 2984 transitions. [2020-10-13 08:06:35,182 INFO L78 Accepts]: Start accepts. Automaton has 2342 states and 2984 transitions. Word has length 125 [2020-10-13 08:06:35,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:35,183 INFO L479 AbstractCegarLoop]: Abstraction has 2342 states and 2984 transitions. [2020-10-13 08:06:35,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 2984 transitions. [2020-10-13 08:06:35,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-13 08:06:35,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:35,187 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:35,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:06:35,187 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:35,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:35,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1202953996, now seen corresponding path program 1 times [2020-10-13 08:06:35,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:35,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [57139416] [2020-10-13 08:06:35,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:35,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:35,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:35,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:35,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:35,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 08:06:35,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:06:35,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 748 [2020-10-13 08:06:35,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:35,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:35,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-13 08:06:35,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 08:06:35,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:36,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:36,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:36,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:36,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:36,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:36,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:36,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:36,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:36,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:36,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:36,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:06:36,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:36,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:36,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:36,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-13 08:06:36,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:36,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-13 08:06:36,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:36,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:36,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:36,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 08:06:36,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:36,207 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:06:36,207 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [57139416] [2020-10-13 08:06:36,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:36,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:36,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847973300] [2020-10-13 08:06:36,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:36,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:36,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:36,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:36,209 INFO L87 Difference]: Start difference. First operand 2342 states and 2984 transitions. Second operand 5 states. [2020-10-13 08:06:38,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:38,248 INFO L93 Difference]: Finished difference Result 5086 states and 6610 transitions. [2020-10-13 08:06:38,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:38,254 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-10-13 08:06:38,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:38,268 INFO L225 Difference]: With dead ends: 5086 [2020-10-13 08:06:38,268 INFO L226 Difference]: Without dead ends: 2750 [2020-10-13 08:06:38,275 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 08:06:38,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2750 states. [2020-10-13 08:06:38,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2750 to 2724. [2020-10-13 08:06:38,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2724 states. [2020-10-13 08:06:38,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2724 states and 3523 transitions. [2020-10-13 08:06:38,365 INFO L78 Accepts]: Start accepts. Automaton has 2724 states and 3523 transitions. Word has length 133 [2020-10-13 08:06:38,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:38,366 INFO L479 AbstractCegarLoop]: Abstraction has 2724 states and 3523 transitions. [2020-10-13 08:06:38,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:38,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2724 states and 3523 transitions. [2020-10-13 08:06:38,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-13 08:06:38,368 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:38,368 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:38,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:06:38,369 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:38,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:38,370 INFO L82 PathProgramCache]: Analyzing trace with hash 401656673, now seen corresponding path program 1 times [2020-10-13 08:06:38,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:38,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [451173418] [2020-10-13 08:06:38,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:38,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:38,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:39,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:39,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 08:06:39,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:06:39,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 787 [2020-10-13 08:06:39,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:39,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:39,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-13 08:06:39,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 08:06:39,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:39,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:39,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:39,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:39,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:39,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:39,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:39,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:39,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:39,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:39,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:39,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:39,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:39,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:39,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:39,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 08:06:39,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:39,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-13 08:06:39,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:39,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:39,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:39,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-13 08:06:39,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:39,462 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:06:39,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [451173418] [2020-10-13 08:06:39,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:39,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:39,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520404273] [2020-10-13 08:06:39,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:39,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:39,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:39,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:39,470 INFO L87 Difference]: Start difference. First operand 2724 states and 3523 transitions. Second operand 5 states. [2020-10-13 08:06:41,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:41,912 INFO L93 Difference]: Finished difference Result 6035 states and 8124 transitions. [2020-10-13 08:06:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:41,919 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2020-10-13 08:06:41,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:41,937 INFO L225 Difference]: With dead ends: 6035 [2020-10-13 08:06:41,937 INFO L226 Difference]: Without dead ends: 4082 [2020-10-13 08:06:41,943 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 08:06:41,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4082 states. [2020-10-13 08:06:42,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4082 to 4060. [2020-10-13 08:06:42,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4060 states. [2020-10-13 08:06:42,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4060 states to 4060 states and 5139 transitions. [2020-10-13 08:06:42,052 INFO L78 Accepts]: Start accepts. Automaton has 4060 states and 5139 transitions. Word has length 135 [2020-10-13 08:06:42,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:42,053 INFO L479 AbstractCegarLoop]: Abstraction has 4060 states and 5139 transitions. [2020-10-13 08:06:42,053 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:42,053 INFO L276 IsEmpty]: Start isEmpty. Operand 4060 states and 5139 transitions. [2020-10-13 08:06:42,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 08:06:42,056 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:42,056 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:42,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:06:42,057 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:42,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:42,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1765558592, now seen corresponding path program 1 times [2020-10-13 08:06:42,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:42,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2132105213] [2020-10-13 08:06:42,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:42,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:42,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:42,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:42,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-13 08:06:42,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:06:42,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 633 [2020-10-13 08:06:42,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:42,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:42,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-13 08:06:42,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 08:06:42,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:42,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:42,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:42,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:42,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:42,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:42,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:06:42,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:42,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:42,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:42,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:42,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:42,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:42,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:42,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:42,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-13 08:06:42,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:42,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-13 08:06:42,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:42,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:42,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:42,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-13 08:06:42,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:06:43,088 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:06:43,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2132105213] [2020-10-13 08:06:43,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:43,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:43,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053896551] [2020-10-13 08:06:43,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:43,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:43,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:43,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:43,091 INFO L87 Difference]: Start difference. First operand 4060 states and 5139 transitions. Second operand 5 states. [2020-10-13 08:06:45,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:45,878 INFO L93 Difference]: Finished difference Result 8879 states and 11587 transitions. [2020-10-13 08:06:45,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:45,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2020-10-13 08:06:45,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:45,903 INFO L225 Difference]: With dead ends: 8879 [2020-10-13 08:06:45,904 INFO L226 Difference]: Without dead ends: 4825 [2020-10-13 08:06:45,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:06:45,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4825 states. [2020-10-13 08:06:46,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4825 to 4817. [2020-10-13 08:06:46,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4817 states. [2020-10-13 08:06:46,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4817 states to 4817 states and 6031 transitions. [2020-10-13 08:06:46,030 INFO L78 Accepts]: Start accepts. Automaton has 4817 states and 6031 transitions. Word has length 147 [2020-10-13 08:06:46,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:46,030 INFO L479 AbstractCegarLoop]: Abstraction has 4817 states and 6031 transitions. [2020-10-13 08:06:46,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:46,031 INFO L276 IsEmpty]: Start isEmpty. Operand 4817 states and 6031 transitions. [2020-10-13 08:06:46,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-13 08:06:46,033 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:46,033 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:46,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:06:46,034 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:46,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:46,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1681837426, now seen corresponding path program 1 times [2020-10-13 08:06:46,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:46,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1566178391] [2020-10-13 08:06:46,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:46,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:46,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:46,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-13 08:06:46,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:46,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 239 [2020-10-13 08:06:46,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:46,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:46,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 08:06:46,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 08:06:46,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:46,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:46,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:46,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:46,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:46,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:46,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:46,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:46,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:46,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:46,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:46,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:46,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:46,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:46,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:46,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:06:46,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:46,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-13 08:06:46,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:46,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:46,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:46,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-13 08:06:46,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:06:46,630 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:06:46,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1566178391] [2020-10-13 08:06:46,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:46,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:46,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665260838] [2020-10-13 08:06:46,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:46,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:46,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:46,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:46,632 INFO L87 Difference]: Start difference. First operand 4817 states and 6031 transitions. Second operand 5 states. [2020-10-13 08:06:49,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:49,306 INFO L93 Difference]: Finished difference Result 11002 states and 14183 transitions. [2020-10-13 08:06:49,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:49,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162 [2020-10-13 08:06:49,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:49,340 INFO L225 Difference]: With dead ends: 11002 [2020-10-13 08:06:49,340 INFO L226 Difference]: Without dead ends: 6569 [2020-10-13 08:06:49,350 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 08:06:49,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6569 states. [2020-10-13 08:06:49,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6569 to 6554. [2020-10-13 08:06:49,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6554 states. [2020-10-13 08:06:49,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6554 states to 6554 states and 8320 transitions. [2020-10-13 08:06:49,506 INFO L78 Accepts]: Start accepts. Automaton has 6554 states and 8320 transitions. Word has length 162 [2020-10-13 08:06:49,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:49,507 INFO L479 AbstractCegarLoop]: Abstraction has 6554 states and 8320 transitions. [2020-10-13 08:06:49,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:49,507 INFO L276 IsEmpty]: Start isEmpty. Operand 6554 states and 8320 transitions. [2020-10-13 08:06:49,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-13 08:06:49,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:49,512 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:49,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:06:49,513 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:49,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:49,513 INFO L82 PathProgramCache]: Analyzing trace with hash 292759025, now seen corresponding path program 1 times [2020-10-13 08:06:49,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:49,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1400999584] [2020-10-13 08:06:49,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:49,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:49,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:50,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:53,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:54,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:54,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-13 08:06:54,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:06:54,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 08:06:54,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:54,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:54,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-13 08:06:54,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 08:06:54,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:06:54,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:54,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:54,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:54,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:54,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:54,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 08:06:54,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:54,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:54,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:54,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:54,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:54,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:54,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:54,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:54,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:06:54,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:54,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 08:06:54,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:54,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:54,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:54,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:54,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:06:54,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 08:06:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:54,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:54,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:54,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 08:06:54,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:54,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-13 08:06:54,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:54,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:54,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:54,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 08:06:54,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:06:55,055 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 49 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-13 08:06:55,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1400999584] [2020-10-13 08:06:55,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:55,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:55,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113560361] [2020-10-13 08:06:55,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:55,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:55,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:55,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:55,059 INFO L87 Difference]: Start difference. First operand 6554 states and 8320 transitions. Second operand 5 states. [2020-10-13 08:06:57,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:57,499 INFO L93 Difference]: Finished difference Result 14635 states and 18980 transitions. [2020-10-13 08:06:57,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:57,500 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 208 [2020-10-13 08:06:57,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:57,539 INFO L225 Difference]: With dead ends: 14635 [2020-10-13 08:06:57,540 INFO L226 Difference]: Without dead ends: 8465 [2020-10-13 08:06:57,554 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 08:06:57,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8465 states. [2020-10-13 08:06:57,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8465 to 8268. [2020-10-13 08:06:57,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8268 states. [2020-10-13 08:06:57,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8268 states to 8268 states and 10544 transitions. [2020-10-13 08:06:57,720 INFO L78 Accepts]: Start accepts. Automaton has 8268 states and 10544 transitions. Word has length 208 [2020-10-13 08:06:57,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:57,721 INFO L479 AbstractCegarLoop]: Abstraction has 8268 states and 10544 transitions. [2020-10-13 08:06:57,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:57,721 INFO L276 IsEmpty]: Start isEmpty. Operand 8268 states and 10544 transitions. [2020-10-13 08:06:57,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-10-13 08:06:57,732 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:57,732 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:06:57,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:06:57,733 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:57,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:57,733 INFO L82 PathProgramCache]: Analyzing trace with hash -310950367, now seen corresponding path program 1 times [2020-10-13 08:06:57,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:57,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1281755220] [2020-10-13 08:06:57,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:57,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:57,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:58,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:00,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:02,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:02,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-10-13 08:07:02,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:07:02,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-13 08:07:02,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-10-13 08:07:02,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 08:07:02,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:07:02,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:07:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:02,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:02,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:02,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:07:02,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:02,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:07:02,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:02,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:02,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:02,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:02,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:02,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:07:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:02,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:02,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:02,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:07:02,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:02,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 08:07:02,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:02,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:02,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:02,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:02,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:02,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 08:07:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:03,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:03,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:03,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-13 08:07:03,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:03,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-13 08:07:03,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:07:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-13 08:07:03,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:03,269 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 49 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-13 08:07:03,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1281755220] [2020-10-13 08:07:03,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:07:03,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:07:03,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440077280] [2020-10-13 08:07:03,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:07:03,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:07:03,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:07:03,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:07:03,274 INFO L87 Difference]: Start difference. First operand 8268 states and 10544 transitions. Second operand 5 states. [2020-10-13 08:07:05,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:05,761 INFO L93 Difference]: Finished difference Result 17108 states and 22106 transitions. [2020-10-13 08:07:05,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:07:05,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 270 [2020-10-13 08:07:05,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:05,768 INFO L225 Difference]: With dead ends: 17108 [2020-10-13 08:07:05,768 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:07:05,795 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 08:07:05,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:07:05,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:07:05,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:07:05,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:07:05,796 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 270 [2020-10-13 08:07:05,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:05,796 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:07:05,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:07:05,797 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:07:05,797 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:07:05,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:07:05,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:07:06,827 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 35 [2020-10-13 08:07:06,956 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:07:06,956 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 08:07:06,956 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:07:06,957 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-13 08:07:06,957 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-13 08:07:06,957 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-13 08:07:06,957 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,957 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,957 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,957 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,958 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,958 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,958 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,958 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-13 08:07:06,958 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-13 08:07:06,958 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-13 08:07:06,958 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,958 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,959 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,959 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,959 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,959 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,959 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,959 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,959 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,959 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-13 08:07:06,960 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-13 08:07:06,960 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-13 08:07:06,960 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,960 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,960 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,960 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,960 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,960 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,960 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,961 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,961 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,961 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-13 08:07:06,961 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-13 08:07:06,961 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-13 08:07:06,961 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-13 08:07:06,961 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-13 08:07:06,961 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-13 08:07:06,961 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-13 08:07:06,962 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,962 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,962 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,962 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,962 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,962 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,962 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,962 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,962 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,963 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,963 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-13 08:07:06,963 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-13 08:07:06,963 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-13 08:07:06,963 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,963 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,963 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,963 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,963 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,964 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-13 08:07:06,964 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-13 08:07:06,964 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-13 08:07:06,964 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,964 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,964 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,964 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,964 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,965 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-13 08:07:06,965 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-13 08:07:06,965 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,965 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,965 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,965 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,965 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,965 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,965 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-13 08:07:06,966 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-13 08:07:06,966 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,966 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,966 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-13 08:07:06,966 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-13 08:07:06,966 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-13 08:07:06,966 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,966 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,966 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,966 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,966 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,967 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,967 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,967 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-13 08:07:06,967 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-13 08:07:06,967 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-13 08:07:06,967 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-13 08:07:06,967 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-13 08:07:06,967 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-13 08:07:06,967 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-13 08:07:06,967 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,968 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,968 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-13 08:07:06,968 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-13 08:07:06,968 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,968 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,968 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,968 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,969 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)| 11)) .cse0) (or (= |old(~a4~0)| 1) .cse0) (or .cse0 (not (<= 160 |old(~a23~0)|))) (or (not (<= (+ |old(~a29~0)| 15806) 0)) .cse0) (or (not (<= 13 |old(~a25~0)|)) .cse0))) [2020-10-13 08:07:06,969 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,969 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-13 08:07:06,969 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-13 08:07:06,969 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-13 08:07:06,969 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,969 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,969 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,969 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,969 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,970 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,970 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-13 08:07:06,970 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-13 08:07:06,970 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-13 08:07:06,970 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,970 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,970 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,970 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,970 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,971 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,971 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,971 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,971 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-13 08:07:06,971 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-13 08:07:06,971 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-13 08:07:06,971 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,971 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,971 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,971 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,972 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,972 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,972 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,972 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,972 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,972 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,972 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,972 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-13 08:07:06,972 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-13 08:07:06,973 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-13 08:07:06,973 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-13 08:07:06,973 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-13 08:07:06,973 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,973 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,973 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,973 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,973 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,973 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,974 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,974 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-13 08:07:06,974 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-13 08:07:06,974 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-13 08:07:06,974 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,974 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,974 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,974 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-13 08:07:06,974 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-13 08:07:06,974 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,975 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,975 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,975 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,975 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,975 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 81) no Hoare annotation was computed. [2020-10-13 08:07:06,975 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-13 08:07:06,975 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-13 08:07:06,975 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,975 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,976 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-13 08:07:06,976 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-13 08:07:06,976 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,976 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,976 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,976 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,976 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,976 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,976 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-13 08:07:06,976 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-13 08:07:06,977 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-13 08:07:06,977 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-13 08:07:06,977 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,977 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,977 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,977 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,977 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,977 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,977 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,977 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,978 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-13 08:07:06,978 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-13 08:07:06,978 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-13 08:07:06,978 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-13 08:07:06,978 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-13 08:07:06,978 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-13 08:07:06,978 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,978 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,978 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,978 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,979 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,979 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,979 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,979 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-13 08:07:06,979 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-13 08:07:06,979 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,979 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,979 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,979 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,979 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,980 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,980 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,980 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-13 08:07:06,980 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-13 08:07:06,980 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,980 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,980 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,980 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,980 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,980 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,981 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,981 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-13 08:07:06,981 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,981 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,981 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,981 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-13 08:07:06,981 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-13 08:07:06,981 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-13 08:07:06,981 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,981 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-13 08:07:06,981 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,982 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-13 08:07:06,982 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,982 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,982 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,982 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,982 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,982 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,982 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-13 08:07:06,982 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-13 08:07:06,982 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-13 08:07:06,983 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,983 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,983 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,983 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,983 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,983 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,983 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,983 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,984 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,984 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,984 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-13 08:07:06,984 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-13 08:07:06,984 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-13 08:07:06,984 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,984 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-13 08:07:06,984 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-13 08:07:06,985 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,985 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,985 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,985 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,985 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,985 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,985 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-13 08:07:06,985 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-13 08:07:06,985 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-13 08:07:06,986 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,986 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,986 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,986 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,986 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-13 08:07:06,986 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-13 08:07:06,986 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,986 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,986 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-13 08:07:06,986 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,987 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,987 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:06,987 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:07:06,987 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= 307 ~a23~0) (= ~a29~0 130)) [2020-10-13 08:07:06,987 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:07:06,987 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:07:06,987 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (<= |old(~a25~0)| 10)) (not (= 130 |old(~a29~0)|)) (not (<= 307 |old(~a23~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a29~0 130))) [2020-10-13 08:07:06,987 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-13 08:07:06,987 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (or (not (<= |old(~a25~0)| 10)) (not (= 130 |old(~a29~0)|)) (not (<= 307 |old(~a23~0)|)) (<= ~a25~0 11) (not (= ~a4~0 1)) (<= 13 ~a25~0) (<= 160 ~a23~0) (<= (+ ~a29~0 15806) 0)) [2020-10-13 08:07:06,988 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-13 08:07:06,988 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-13 08:07:06,988 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (or (not (<= |old(~a25~0)| 10)) (not (= 130 |old(~a29~0)|)) (not (<= 307 |old(~a23~0)|)) (<= ~a25~0 11) (not (= ~a4~0 1)) (<= 13 ~a25~0) (<= 160 ~a23~0) (<= (+ ~a29~0 15806) 0)) [2020-10-13 08:07:06,988 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-13 08:07:07,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:07:07 BoogieIcfgContainer [2020-10-13 08:07:07,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:07:07,012 INFO L168 Benchmark]: Toolchain (without parser) took 59620.15 ms. Allocated memory was 147.3 MB in the beginning and 885.0 MB in the end (delta: 737.7 MB). Free memory was 99.4 MB in the beginning and 610.8 MB in the end (delta: -511.4 MB). Peak memory consumption was 716.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:07:07,013 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 08:07:07,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1049.30 ms. Allocated memory was 147.3 MB in the beginning and 209.7 MB in the end (delta: 62.4 MB). Free memory was 99.2 MB in the beginning and 164.0 MB in the end (delta: -64.8 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. [2020-10-13 08:07:07,014 INFO L168 Benchmark]: Boogie Preprocessor took 182.45 ms. Allocated memory is still 209.7 MB. Free memory was 164.0 MB in the beginning and 156.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2020-10-13 08:07:07,015 INFO L168 Benchmark]: RCFGBuilder took 1876.22 ms. Allocated memory was 209.7 MB in the beginning and 241.7 MB in the end (delta: 32.0 MB). Free memory was 156.1 MB in the beginning and 96.4 MB in the end (delta: 59.7 MB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB. [2020-10-13 08:07:07,016 INFO L168 Benchmark]: TraceAbstraction took 56501.91 ms. Allocated memory was 241.7 MB in the beginning and 885.0 MB in the end (delta: 643.3 MB). Free memory was 96.4 MB in the beginning and 610.8 MB in the end (delta: -514.4 MB). Peak memory consumption was 619.3 MB. Max. memory is 7.1 GB. [2020-10-13 08:07:07,019 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1049.30 ms. Allocated memory was 147.3 MB in the beginning and 209.7 MB in the end (delta: 62.4 MB). Free memory was 99.2 MB in the beginning and 164.0 MB in the end (delta: -64.8 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 182.45 ms. Allocated memory is still 209.7 MB. Free memory was 164.0 MB in the beginning and 156.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1876.22 ms. Allocated memory was 209.7 MB in the beginning and 241.7 MB in the end (delta: 32.0 MB). Free memory was 156.1 MB in the beginning and 96.4 MB in the end (delta: 59.7 MB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 56501.91 ms. Allocated memory was 241.7 MB in the beginning and 885.0 MB in the end (delta: 643.3 MB). Free memory was 96.4 MB in the beginning and 610.8 MB in the end (delta: -514.4 MB). Peak memory consumption was 619.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 81]: 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(a25) <= 10) || !(130 == \old(a29))) || !(307 <= \old(a23))) || a25 <= 11) || !(a4 == 1)) || 13 <= a25) || 160 <= a23) || a29 + 15806 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 55.2s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 30.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 567 SDtfs, 6328 SDslu, 674 SDs, 0 SdLazy, 14475 SolverSat, 1404 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 89 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8268occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 13 MinimizatonAttempts, 349 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 218 PreInvPairs, 318 NumberOfFragments, 228 HoareAnnotationTreeSize, 218 FomulaSimplifications, 45476 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3388 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 22.3s InterpolantComputationTime, 1752 NumberOfCodeBlocks, 1752 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1739 ConstructedInterpolants, 0 QuantifiedInterpolants, 545514 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 478/492 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...