/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 13:06:27,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 13:06:27,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 13:06:27,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 13:06:27,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 13:06:27,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 13:06:27,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 13:06:27,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 13:06:27,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 13:06:27,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 13:06:27,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 13:06:27,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 13:06:27,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 13:06:27,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 13:06:27,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 13:06:27,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 13:06:28,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 13:06:28,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 13:06:28,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 13:06:28,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 13:06:28,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 13:06:28,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 13:06:28,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 13:06:28,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 13:06:28,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 13:06:28,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 13:06:28,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 13:06:28,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 13:06:28,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 13:06:28,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 13:06:28,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 13:06:28,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 13:06:28,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 13:06:28,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 13:06:28,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 13:06:28,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 13:06:28,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 13:06:28,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 13:06:28,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 13:06:28,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 13:06:28,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 13:06:28,041 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 13:06:28,090 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 13:06:28,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 13:06:28,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 13:06:28,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 13:06:28,092 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 13:06:28,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 13:06:28,093 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 13:06:28,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 13:06:28,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 13:06:28,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 13:06:28,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 13:06:28,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 13:06:28,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 13:06:28,096 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 13:06:28,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 13:06:28,096 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 13:06:28,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 13:06:28,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 13:06:28,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 13:06:28,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 13:06:28,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 13:06:28,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:06:28,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 13:06:28,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 13:06:28,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 13:06:28,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 13:06:28,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 13:06:28,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 13:06:28,099 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 13:06:28,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 13:06:28,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 13:06:28,433 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 13:06:28,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 13:06:28,438 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 13:06:28,438 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 13:06:28,439 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label49.c [2020-10-12 13:06:28,513 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7f020061/b42e2dc5ce154f3f9fc700da9a9ae6a2/FLAG347daffe5 [2020-10-12 13:06:29,100 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 13:06:29,108 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label49.c [2020-10-12 13:06:29,123 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7f020061/b42e2dc5ce154f3f9fc700da9a9ae6a2/FLAG347daffe5 [2020-10-12 13:06:29,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7f020061/b42e2dc5ce154f3f9fc700da9a9ae6a2 [2020-10-12 13:06:29,348 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 13:06:29,351 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 13:06:29,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 13:06:29,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 13:06:29,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 13:06:29,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:06:29" (1/1) ... [2020-10-12 13:06:29,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40dc6253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:29, skipping insertion in model container [2020-10-12 13:06:29,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:06:29" (1/1) ... [2020-10-12 13:06:29,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 13:06:29,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 13:06:29,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:06:29,881 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 13:06:30,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:06:30,181 INFO L208 MainTranslator]: Completed translation [2020-10-12 13:06:30,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:30 WrapperNode [2020-10-12 13:06:30,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 13:06:30,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 13:06:30,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 13:06:30,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 13:06:30,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:30" (1/1) ... [2020-10-12 13:06:30,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:30" (1/1) ... [2020-10-12 13:06:30,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:30" (1/1) ... [2020-10-12 13:06:30,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:30" (1/1) ... [2020-10-12 13:06:30,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:30" (1/1) ... [2020-10-12 13:06:30,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:30" (1/1) ... [2020-10-12 13:06:30,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:30" (1/1) ... [2020-10-12 13:06:30,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 13:06:30,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 13:06:30,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 13:06:30,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 13:06:30,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:06:30,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 13:06:30,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 13:06:30,373 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 13:06:30,374 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 13:06:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 13:06:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 13:06:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 13:06:30,375 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 13:06:30,376 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 13:06:30,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 13:06:30,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 13:06:31,697 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 13:06:31,697 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 13:06:31,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:06:31 BoogieIcfgContainer [2020-10-12 13:06:31,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 13:06:31,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 13:06:31,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 13:06:31,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 13:06:31,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 01:06:29" (1/3) ... [2020-10-12 13:06:31,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6364c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:06:31, skipping insertion in model container [2020-10-12 13:06:31,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:30" (2/3) ... [2020-10-12 13:06:31,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6364c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:06:31, skipping insertion in model container [2020-10-12 13:06:31,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:06:31" (3/3) ... [2020-10-12 13:06:31,713 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label49.c [2020-10-12 13:06:31,724 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 13:06:31,733 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 13:06:31,748 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 13:06:31,777 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 13:06:31,777 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 13:06:31,778 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 13:06:31,778 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 13:06:31,778 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 13:06:31,778 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 13:06:31,778 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 13:06:31,779 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 13:06:31,804 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-12 13:06:31,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-12 13:06:31,812 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:31,813 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] [2020-10-12 13:06:31,814 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:31,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:31,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1605828193, now seen corresponding path program 1 times [2020-10-12 13:06:31,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:31,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [917035842] [2020-10-12 13:06:31,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:32,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:32,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:32,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 13:06:32,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:32,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-12 13:06:32,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:32,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:32,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:06:32,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 13:06:32,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 13:06:32,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:32,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:32,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:32,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:32,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:32,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 13:06:32,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:32,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:32,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:32,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:06:32,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:32,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:06:32,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [917035842] [2020-10-12 13:06:32,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:06:32,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 13:06:32,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153986269] [2020-10-12 13:06:32,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 13:06:32,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:32,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 13:06:32,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 13:06:32,502 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-12 13:06:34,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:34,014 INFO L93 Difference]: Finished difference Result 581 states and 1007 transitions. [2020-10-12 13:06:34,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:06:34,018 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-12 13:06:34,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:34,033 INFO L225 Difference]: With dead ends: 581 [2020-10-12 13:06:34,034 INFO L226 Difference]: Without dead ends: 302 [2020-10-12 13:06:34,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:06:34,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-12 13:06:34,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-12 13:06:34,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-12 13:06:34,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2020-10-12 13:06:34,130 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 28 [2020-10-12 13:06:34,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:34,131 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2020-10-12 13:06:34,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 13:06:34,131 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2020-10-12 13:06:34,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-12 13:06:34,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:34,136 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:34,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 13:06:34,137 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:34,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:34,137 INFO L82 PathProgramCache]: Analyzing trace with hash -351220503, now seen corresponding path program 1 times [2020-10-12 13:06:34,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:34,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1573498083] [2020-10-12 13:06:34,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:34,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:34,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:35,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:35,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:35,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 13:06:35,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:06:35,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1332 [2020-10-12 13:06:35,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:35,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:35,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:06:35,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 13:06:35,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:35,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:35,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:35,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:35,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:35,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:35,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 13:06:35,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:35,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:35,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:35,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:06:35,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:35,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:35,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:35,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:35,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:06:35,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:35,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-12 13:06:35,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:35,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:35,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:35,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:06:35,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:35,833 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:06:35,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1573498083] [2020-10-12 13:06:35,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:06:35,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 13:06:35,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100894636] [2020-10-12 13:06:35,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:06:35,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:35,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:06:35,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:06:35,837 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 7 states. [2020-10-12 13:06:37,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:37,315 INFO L93 Difference]: Finished difference Result 773 states and 1227 transitions. [2020-10-12 13:06:37,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:06:37,315 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 101 [2020-10-12 13:06:37,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:37,323 INFO L225 Difference]: With dead ends: 773 [2020-10-12 13:06:37,323 INFO L226 Difference]: Without dead ends: 483 [2020-10-12 13:06:37,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:06:37,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-10-12 13:06:37,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 447. [2020-10-12 13:06:37,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2020-10-12 13:06:37,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 656 transitions. [2020-10-12 13:06:37,382 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 656 transitions. Word has length 101 [2020-10-12 13:06:37,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:37,383 INFO L479 AbstractCegarLoop]: Abstraction has 447 states and 656 transitions. [2020-10-12 13:06:37,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:06:37,384 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 656 transitions. [2020-10-12 13:06:37,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-12 13:06:37,390 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:37,392 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:37,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 13:06:37,392 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:37,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:37,393 INFO L82 PathProgramCache]: Analyzing trace with hash 788107453, now seen corresponding path program 1 times [2020-10-12 13:06:37,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:37,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1255163905] [2020-10-12 13:06:37,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:37,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:37,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:37,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:37,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:06:37,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:06:37,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-12 13:06:37,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:37,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:37,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-12 13:06:37,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 13:06:37,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:37,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:37,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:37,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:37,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:37,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:37,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:06:37,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:37,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:37,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:37,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:37,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:37,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:37,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:37,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:37,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:06:37,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:37,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-12 13:06:37,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:37,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:37,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:37,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:06:37,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:37,973 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:06:37,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1255163905] [2020-10-12 13:06:37,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:37,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:06:37,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856454419] [2020-10-12 13:06:37,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:06:37,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:37,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:06:37,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:06:37,977 INFO L87 Difference]: Start difference. First operand 447 states and 656 transitions. Second operand 5 states. [2020-10-12 13:06:39,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:39,079 INFO L93 Difference]: Finished difference Result 1190 states and 1776 transitions. [2020-10-12 13:06:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:06:39,080 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-10-12 13:06:39,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:39,087 INFO L225 Difference]: With dead ends: 1190 [2020-10-12 13:06:39,087 INFO L226 Difference]: Without dead ends: 749 [2020-10-12 13:06:39,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:06:39,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2020-10-12 13:06:39,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 594. [2020-10-12 13:06:39,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-10-12 13:06:39,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 801 transitions. [2020-10-12 13:06:39,122 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 801 transitions. Word has length 107 [2020-10-12 13:06:39,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:39,123 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 801 transitions. [2020-10-12 13:06:39,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:06:39,123 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 801 transitions. [2020-10-12 13:06:39,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-12 13:06:39,128 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:39,128 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:39,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 13:06:39,129 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:39,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:39,129 INFO L82 PathProgramCache]: Analyzing trace with hash 58557854, now seen corresponding path program 1 times [2020-10-12 13:06:39,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:39,130 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1434803621] [2020-10-12 13:06:39,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:39,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:39,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:39,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:40,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:40,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-12 13:06:40,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:06:40,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1301 [2020-10-12 13:06:40,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:40,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:40,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:06:40,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 13:06:40,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:40,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:40,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:40,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:40,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:40,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:40,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:06:40,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:40,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:40,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:40,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:06:40,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:40,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:40,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:40,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:40,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-12 13:06:40,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:40,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-12 13:06:40,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:40,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:40,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:40,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-12 13:06:40,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:40,904 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:06:40,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1434803621] [2020-10-12 13:06:40,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:06:40,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 13:06:40,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066320865] [2020-10-12 13:06:40,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:06:40,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:40,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:06:40,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:06:40,906 INFO L87 Difference]: Start difference. First operand 594 states and 801 transitions. Second operand 7 states. [2020-10-12 13:06:42,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:42,301 INFO L93 Difference]: Finished difference Result 1516 states and 2086 transitions. [2020-10-12 13:06:42,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:06:42,301 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 164 [2020-10-12 13:06:42,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:42,308 INFO L225 Difference]: With dead ends: 1516 [2020-10-12 13:06:42,308 INFO L226 Difference]: Without dead ends: 928 [2020-10-12 13:06:42,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:06:42,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2020-10-12 13:06:42,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 908. [2020-10-12 13:06:42,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 908 states. [2020-10-12 13:06:42,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1180 transitions. [2020-10-12 13:06:42,345 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1180 transitions. Word has length 164 [2020-10-12 13:06:42,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:42,346 INFO L479 AbstractCegarLoop]: Abstraction has 908 states and 1180 transitions. [2020-10-12 13:06:42,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:06:42,346 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1180 transitions. [2020-10-12 13:06:42,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-12 13:06:42,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:42,350 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:06:42,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 13:06:42,350 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:42,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:42,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1765388405, now seen corresponding path program 1 times [2020-10-12 13:06:42,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:42,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [185306042] [2020-10-12 13:06:42,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:42,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:42,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:42,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:42,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:43,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:43,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-12 13:06:43,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:06:43,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1032 [2020-10-12 13:06:43,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:43,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:43,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-12 13:06:43,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 13:06:43,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:43,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:43,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:43,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:43,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:43,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:43,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:06:43,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:43,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:43,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:43,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:43,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:43,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:43,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:43,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:43,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:06:43,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:43,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-12 13:06:43,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:06:43,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:43,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 13:06:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:43,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:43,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:43,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:06:43,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:43,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-12 13:06:43,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:43,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:43,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:43,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:06:43,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:43,831 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 112 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:06:43,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [185306042] [2020-10-12 13:06:43,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:43,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:06:43,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608606509] [2020-10-12 13:06:43,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:06:43,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:43,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:06:43,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:06:43,833 INFO L87 Difference]: Start difference. First operand 908 states and 1180 transitions. Second operand 7 states. [2020-10-12 13:06:45,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:45,298 INFO L93 Difference]: Finished difference Result 2269 states and 3050 transitions. [2020-10-12 13:06:45,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:06:45,299 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 180 [2020-10-12 13:06:45,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:45,307 INFO L225 Difference]: With dead ends: 2269 [2020-10-12 13:06:45,307 INFO L226 Difference]: Without dead ends: 1075 [2020-10-12 13:06:45,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-12 13:06:45,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2020-10-12 13:06:45,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 1053. [2020-10-12 13:06:45,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1053 states. [2020-10-12 13:06:45,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1309 transitions. [2020-10-12 13:06:45,348 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1309 transitions. Word has length 180 [2020-10-12 13:06:45,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:45,348 INFO L479 AbstractCegarLoop]: Abstraction has 1053 states and 1309 transitions. [2020-10-12 13:06:45,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:06:45,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1309 transitions. [2020-10-12 13:06:45,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-12 13:06:45,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:45,352 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:06:45,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 13:06:45,353 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:45,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:45,353 INFO L82 PathProgramCache]: Analyzing trace with hash -2134914115, now seen corresponding path program 1 times [2020-10-12 13:06:45,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:45,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307517725] [2020-10-12 13:06:45,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:45,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:45,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:45,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:46,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:46,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:46,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-12 13:06:46,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:06:46,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 921 [2020-10-12 13:06:46,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:46,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:46,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 13:06:46,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-12 13:06:46,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:46,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:46,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:46,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:46,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:46,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:46,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:06:46,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:46,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:46,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:46,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:46,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:46,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:46,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:46,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:46,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:06:46,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:46,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 13:06:46,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:46,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:46,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:46,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 13:06:46,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:46,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:06:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:46,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:46,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:46,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:46,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 13:06:46,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:06:46,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-10-12 13:06:46,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:46,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:46,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:46,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-12 13:06:46,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:46,849 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 86 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 13:06:46,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307517725] [2020-10-12 13:06:46,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:46,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:06:46,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572574985] [2020-10-12 13:06:46,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 13:06:46,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:46,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 13:06:46,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:06:46,852 INFO L87 Difference]: Start difference. First operand 1053 states and 1309 transitions. Second operand 6 states. [2020-10-12 13:06:48,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:48,179 INFO L93 Difference]: Finished difference Result 2994 states and 3831 transitions. [2020-10-12 13:06:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 13:06:48,180 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 188 [2020-10-12 13:06:48,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:48,189 INFO L225 Difference]: With dead ends: 2994 [2020-10-12 13:06:48,189 INFO L226 Difference]: Without dead ends: 1802 [2020-10-12 13:06:48,193 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:06:48,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2020-10-12 13:06:48,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1645. [2020-10-12 13:06:48,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1645 states. [2020-10-12 13:06:48,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 2004 transitions. [2020-10-12 13:06:48,253 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 2004 transitions. Word has length 188 [2020-10-12 13:06:48,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:48,254 INFO L479 AbstractCegarLoop]: Abstraction has 1645 states and 2004 transitions. [2020-10-12 13:06:48,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 13:06:48,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 2004 transitions. [2020-10-12 13:06:48,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-12 13:06:48,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:48,257 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:06:48,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 13:06:48,258 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:48,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:48,258 INFO L82 PathProgramCache]: Analyzing trace with hash -815857444, now seen corresponding path program 1 times [2020-10-12 13:06:48,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:48,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [801417101] [2020-10-12 13:06:48,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:48,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:48,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:49,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:49,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:51,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:51,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:51,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-12 13:06:51,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 13:06:51,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3277 [2020-10-12 13:06:51,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:51,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:51,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:06:51,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-12 13:06:51,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:51,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:51,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:51,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:51,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:51,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:51,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 13:06:51,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:51,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:51,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:51,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:06:51,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:51,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:51,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:51,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:51,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 13:06:51,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:51,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-12 13:06:51,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:51,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:51,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 13:06:51,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:51,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 13:06:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:51,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:51,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:51,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 13:06:51,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:51,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 13:06:51,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:51,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:51,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-12 13:06:51,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:51,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 42 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 13:06:51,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [801417101] [2020-10-12 13:06:51,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:51,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:06:51,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776195972] [2020-10-12 13:06:51,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:06:51,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:51,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:06:51,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:06:51,961 INFO L87 Difference]: Start difference. First operand 1645 states and 2004 transitions. Second operand 7 states. [2020-10-12 13:06:53,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:53,147 INFO L93 Difference]: Finished difference Result 3451 states and 4201 transitions. [2020-10-12 13:06:53,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 13:06:53,148 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 195 [2020-10-12 13:06:53,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:53,161 INFO L225 Difference]: With dead ends: 3451 [2020-10-12 13:06:53,161 INFO L226 Difference]: Without dead ends: 1812 [2020-10-12 13:06:53,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-12 13:06:53,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2020-10-12 13:06:53,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 1796. [2020-10-12 13:06:53,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1796 states. [2020-10-12 13:06:53,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 1796 states and 2167 transitions. [2020-10-12 13:06:53,220 INFO L78 Accepts]: Start accepts. Automaton has 1796 states and 2167 transitions. Word has length 195 [2020-10-12 13:06:53,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:53,221 INFO L479 AbstractCegarLoop]: Abstraction has 1796 states and 2167 transitions. [2020-10-12 13:06:53,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:06:53,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2167 transitions. [2020-10-12 13:06:53,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-12 13:06:53,225 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:53,225 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:06:53,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 13:06:53,226 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:53,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:53,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1648351510, now seen corresponding path program 1 times [2020-10-12 13:06:53,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:53,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805274318] [2020-10-12 13:06:53,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:53,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:53,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:54,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:54,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:54,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-12 13:06:54,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:06:54,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1510 [2020-10-12 13:06:54,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:54,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:54,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 13:06:54,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-12 13:06:54,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:54,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:54,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:54,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:54,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:54,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:54,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:06:54,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:54,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:54,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:54,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:54,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:54,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:54,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:54,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:54,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:06:54,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:54,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 13:06:54,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:54,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:54,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:54,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 13:06:54,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:54,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:06:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:54,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:55,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:55,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-12 13:06:55,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:55,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-12 13:06:55,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:55,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:55,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:55,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-12 13:06:55,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:55,324 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:06:55,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805274318] [2020-10-12 13:06:55,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:55,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:06:55,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040175604] [2020-10-12 13:06:55,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:06:55,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:55,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:06:55,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:06:55,328 INFO L87 Difference]: Start difference. First operand 1796 states and 2167 transitions. Second operand 7 states. [2020-10-12 13:06:57,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:57,022 INFO L93 Difference]: Finished difference Result 4045 states and 5023 transitions. [2020-10-12 13:06:57,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:06:57,023 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 217 [2020-10-12 13:06:57,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:57,036 INFO L225 Difference]: With dead ends: 4045 [2020-10-12 13:06:57,036 INFO L226 Difference]: Without dead ends: 2398 [2020-10-12 13:06:57,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:06:57,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2398 states. [2020-10-12 13:06:57,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2398 to 2239. [2020-10-12 13:06:57,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2239 states. [2020-10-12 13:06:57,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 2762 transitions. [2020-10-12 13:06:57,103 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 2762 transitions. Word has length 217 [2020-10-12 13:06:57,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:57,104 INFO L479 AbstractCegarLoop]: Abstraction has 2239 states and 2762 transitions. [2020-10-12 13:06:57,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:06:57,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 2762 transitions. [2020-10-12 13:06:57,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-10-12 13:06:57,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:57,110 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:57,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 13:06:57,110 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:57,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:57,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1872587559, now seen corresponding path program 1 times [2020-10-12 13:06:57,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:57,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [291235213] [2020-10-12 13:06:57,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:57,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:57,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:57,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:58,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:58,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:00,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:00,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-12 13:07:00,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 13:07:00,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2993 [2020-10-12 13:07:00,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:00,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:07:00,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 159 [2020-10-12 13:07:00,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-12 13:07:00,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:00,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:00,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:00,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:00,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:00,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:00,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:07:00,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:00,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:00,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:00,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:00,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:00,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:00,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:00,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:00,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:07:00,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:00,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 13:07:00,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:00,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:00,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:00,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:00,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:00,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:07:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:00,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:00,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:00,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 13:07:00,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:00,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-12 13:07:00,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:00,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:00,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:00,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-12 13:07:00,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:00,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 13:07:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:00,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:00,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:00,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:00,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 13:07:00,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:07:00,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-12 13:07:00,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:00,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:00,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:00,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-12 13:07:00,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:00,792 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 185 proven. 22 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-12 13:07:00,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [291235213] [2020-10-12 13:07:00,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:00,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:07:00,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411836288] [2020-10-12 13:07:00,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 13:07:00,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:00,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 13:07:00,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:07:00,795 INFO L87 Difference]: Start difference. First operand 2239 states and 2762 transitions. Second operand 6 states. [2020-10-12 13:07:02,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:02,147 INFO L93 Difference]: Finished difference Result 4538 states and 5773 transitions. [2020-10-12 13:07:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 13:07:02,147 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 265 [2020-10-12 13:07:02,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:02,160 INFO L225 Difference]: With dead ends: 4538 [2020-10-12 13:07:02,160 INFO L226 Difference]: Without dead ends: 2295 [2020-10-12 13:07:02,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:07:02,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2295 states. [2020-10-12 13:07:02,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2295 to 1943. [2020-10-12 13:07:02,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1943 states. [2020-10-12 13:07:02,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1943 states and 2252 transitions. [2020-10-12 13:07:02,229 INFO L78 Accepts]: Start accepts. Automaton has 1943 states and 2252 transitions. Word has length 265 [2020-10-12 13:07:02,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:02,230 INFO L479 AbstractCegarLoop]: Abstraction has 1943 states and 2252 transitions. [2020-10-12 13:07:02,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 13:07:02,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1943 states and 2252 transitions. [2020-10-12 13:07:02,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-12 13:07:02,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:02,234 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:07:02,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 13:07:02,235 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:02,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:02,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1638968649, now seen corresponding path program 1 times [2020-10-12 13:07:02,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:02,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [490848805] [2020-10-12 13:07:02,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:02,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:02,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:03,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:03,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:03,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-12 13:07:03,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:07:03,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1438 [2020-10-12 13:07:03,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:03,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:03,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 13:07:03,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-12 13:07:03,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:03,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:03,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:03,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:03,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:03,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:03,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 13:07:03,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:03,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:03,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:03,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:03,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:03,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:03,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:03,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:03,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:07:03,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:03,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 13:07:03,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:03,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:03,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:03,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 13:07:03,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:03,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:07:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:03,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:03,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:03,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 13:07:03,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:03,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-12 13:07:03,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:03,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:03,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:03,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 13:07:03,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:04,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 13:07:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:04,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:04,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:04,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 13:07:04,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:04,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 13:07:04,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:04,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:04,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 13:07:04,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:04,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:04,159 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 134 proven. 76 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-12 13:07:04,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [490848805] [2020-10-12 13:07:04,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:04,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:07:04,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785212771] [2020-10-12 13:07:04,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:07:04,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:04,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:07:04,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:07:04,162 INFO L87 Difference]: Start difference. First operand 1943 states and 2252 transitions. Second operand 7 states. [2020-10-12 13:07:08,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:08,233 INFO L93 Difference]: Finished difference Result 3890 states and 4515 transitions. [2020-10-12 13:07:08,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:07:08,236 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 273 [2020-10-12 13:07:08,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:08,246 INFO L225 Difference]: With dead ends: 3890 [2020-10-12 13:07:08,246 INFO L226 Difference]: Without dead ends: 2096 [2020-10-12 13:07:08,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:07:08,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2096 states. [2020-10-12 13:07:08,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2096 to 1794. [2020-10-12 13:07:08,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1794 states. [2020-10-12 13:07:08,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 1995 transitions. [2020-10-12 13:07:08,297 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 1995 transitions. Word has length 273 [2020-10-12 13:07:08,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:08,298 INFO L479 AbstractCegarLoop]: Abstraction has 1794 states and 1995 transitions. [2020-10-12 13:07:08,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:07:08,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 1995 transitions. [2020-10-12 13:07:08,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-10-12 13:07:08,302 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:08,303 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:07:08,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 13:07:08,303 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:08,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:08,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1534802932, now seen corresponding path program 1 times [2020-10-12 13:07:08,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:08,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [770806244] [2020-10-12 13:07:08,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:08,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:08,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:09,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:09,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:11,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:11,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-12 13:07:11,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:07:11,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2647 [2020-10-12 13:07:11,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:07:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-12 13:07:11,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-12 13:07:11,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:11,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:11,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:11,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:11,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:11,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:11,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 13:07:11,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:11,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:11,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:11,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:11,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:11,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 13:07:11,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:11,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-12 13:07:11,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-12 13:07:11,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:11,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 13:07:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:11,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:11,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:11,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 13:07:11,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:11,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-12 13:07:11,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:11,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:11,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:11,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 13:07:11,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:11,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-12 13:07:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:11,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:11,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:11,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:07:11,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:11,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-12 13:07:11,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:11,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:11,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:11,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:07:11,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:11,796 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 202 proven. 71 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-12 13:07:11,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [770806244] [2020-10-12 13:07:11,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:11,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 13:07:11,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807116346] [2020-10-12 13:07:11,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 13:07:11,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:11,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 13:07:11,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:07:11,799 INFO L87 Difference]: Start difference. First operand 1794 states and 1995 transitions. Second operand 8 states. [2020-10-12 13:07:13,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:13,711 INFO L93 Difference]: Finished difference Result 3767 states and 4309 transitions. [2020-10-12 13:07:13,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:07:13,712 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 288 [2020-10-12 13:07:13,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:13,720 INFO L225 Difference]: With dead ends: 3767 [2020-10-12 13:07:13,721 INFO L226 Difference]: Without dead ends: 2122 [2020-10-12 13:07:13,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-12 13:07:13,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2020-10-12 13:07:13,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 2096. [2020-10-12 13:07:13,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2096 states. [2020-10-12 13:07:13,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 2321 transitions. [2020-10-12 13:07:13,774 INFO L78 Accepts]: Start accepts. Automaton has 2096 states and 2321 transitions. Word has length 288 [2020-10-12 13:07:13,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:13,775 INFO L479 AbstractCegarLoop]: Abstraction has 2096 states and 2321 transitions. [2020-10-12 13:07:13,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 13:07:13,775 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 2321 transitions. [2020-10-12 13:07:13,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-10-12 13:07:13,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:13,780 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:07:13,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 13:07:13,781 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:13,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:13,781 INFO L82 PathProgramCache]: Analyzing trace with hash -420751923, now seen corresponding path program 1 times [2020-10-12 13:07:13,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:13,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1502517440] [2020-10-12 13:07:13,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:13,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:13,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:14,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:15,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:15,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 315 [2020-10-12 13:07:15,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:07:15,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1642 [2020-10-12 13:07:15,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:15,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:15,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 287 [2020-10-12 13:07:15,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 13:07:15,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:15,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:15,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:15,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:15,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:15,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:15,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 13:07:15,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:15,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:15,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:15,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:15,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:15,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:15,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:15,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:15,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 13:07:15,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:15,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 13:07:15,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:15,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:15,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:15,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:15,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:15,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 13:07:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:15,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:15,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:15,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-12 13:07:15,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:15,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 13:07:15,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:15,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:15,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:15,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:15,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:15,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-12 13:07:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:15,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:15,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:15,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:07:15,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:15,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-12 13:07:15,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:15,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:15,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:15,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-12 13:07:15,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:15,906 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 66 proven. 3 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2020-10-12 13:07:15,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1502517440] [2020-10-12 13:07:15,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:15,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:07:15,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573582131] [2020-10-12 13:07:15,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:07:15,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:15,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:07:15,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:07:15,911 INFO L87 Difference]: Start difference. First operand 2096 states and 2321 transitions. Second operand 5 states. [2020-10-12 13:07:17,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:17,214 INFO L93 Difference]: Finished difference Result 4915 states and 5521 transitions. [2020-10-12 13:07:17,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:07:17,215 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 301 [2020-10-12 13:07:17,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:17,227 INFO L225 Difference]: With dead ends: 4915 [2020-10-12 13:07:17,227 INFO L226 Difference]: Without dead ends: 2823 [2020-10-12 13:07:17,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:07:17,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2823 states. [2020-10-12 13:07:17,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2823 to 2531. [2020-10-12 13:07:17,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2531 states. [2020-10-12 13:07:17,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 2531 states and 2849 transitions. [2020-10-12 13:07:17,296 INFO L78 Accepts]: Start accepts. Automaton has 2531 states and 2849 transitions. Word has length 301 [2020-10-12 13:07:17,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:17,297 INFO L479 AbstractCegarLoop]: Abstraction has 2531 states and 2849 transitions. [2020-10-12 13:07:17,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:07:17,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 2849 transitions. [2020-10-12 13:07:17,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-10-12 13:07:17,303 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:17,303 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:07:17,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 13:07:17,304 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:17,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:17,304 INFO L82 PathProgramCache]: Analyzing trace with hash 288883145, now seen corresponding path program 1 times [2020-10-12 13:07:17,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:17,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [531232802] [2020-10-12 13:07:17,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:17,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:17,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:17,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:17,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 351 [2020-10-12 13:07:17,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:07:17,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 586 [2020-10-12 13:07:17,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 323 [2020-10-12 13:07:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 13:07:17,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:18,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:18,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:18,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:18,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:18,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:18,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 13:07:18,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:18,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:18,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:18,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:18,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:18,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:18,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:18,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:18,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 13:07:18,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:18,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 13:07:18,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:18,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:18,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:18,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:18,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:18,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 13:07:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:18,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:18,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:18,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 13:07:18,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:18,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 13:07:18,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:18,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:18,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:18,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:18,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:18,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-12 13:07:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:18,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:18,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:18,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 13:07:18,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:18,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-12 13:07:18,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:18,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:18,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:18,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 13:07:18,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:18,339 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 66 proven. 3 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-10-12 13:07:18,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [531232802] [2020-10-12 13:07:18,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:18,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:07:18,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889809466] [2020-10-12 13:07:18,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 13:07:18,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:18,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 13:07:18,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:07:18,341 INFO L87 Difference]: Start difference. First operand 2531 states and 2849 transitions. Second operand 6 states. [2020-10-12 13:07:19,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:19,890 INFO L93 Difference]: Finished difference Result 5775 states and 6595 transitions. [2020-10-12 13:07:19,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 13:07:19,896 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 337 [2020-10-12 13:07:19,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:19,906 INFO L225 Difference]: With dead ends: 5775 [2020-10-12 13:07:19,907 INFO L226 Difference]: Without dead ends: 2378 [2020-10-12 13:07:19,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:07:19,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2378 states. [2020-10-12 13:07:19,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2378 to 2372. [2020-10-12 13:07:19,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2372 states. [2020-10-12 13:07:19,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 2372 states and 2657 transitions. [2020-10-12 13:07:19,971 INFO L78 Accepts]: Start accepts. Automaton has 2372 states and 2657 transitions. Word has length 337 [2020-10-12 13:07:19,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:19,972 INFO L479 AbstractCegarLoop]: Abstraction has 2372 states and 2657 transitions. [2020-10-12 13:07:19,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 13:07:19,972 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 2657 transitions. [2020-10-12 13:07:19,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2020-10-12 13:07:19,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:19,979 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:07:19,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 13:07:19,979 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:19,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:19,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1630255153, now seen corresponding path program 1 times [2020-10-12 13:07:19,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:19,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1592408641] [2020-10-12 13:07:19,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:20,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:20,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:21,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:21,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:22,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:22,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 395 [2020-10-12 13:07:22,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:07:22,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2413 [2020-10-12 13:07:22,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:22,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 13:07:22,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-10-12 13:07:22,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 13:07:22,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:22,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:22,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:22,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:22,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:22,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:22,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:07:22,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:22,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:22,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:22,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:22,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:22,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:22,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 13:07:22,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:22,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 13:07:22,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:22,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:22,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:22,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:22,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:22,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 13:07:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:22,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:22,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:22,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 13:07:22,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:22,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-12 13:07:22,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:22,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:22,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:22,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-12 13:07:22,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:22,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-12 13:07:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:22,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:22,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:23,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:23,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-12 13:07:23,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:07:23,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 567 [2020-10-12 13:07:23,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 13:07:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-12 13:07:23,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:23,909 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-10-12 13:07:24,133 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 69 [2020-10-12 13:07:24,372 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 73 [2020-10-12 13:07:24,639 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 75 [2020-10-12 13:07:24,931 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 78 [2020-10-12 13:07:26,098 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 273 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-12 13:07:26,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1592408641] [2020-10-12 13:07:26,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:26,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 13:07:26,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575741228] [2020-10-12 13:07:26,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 13:07:26,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:26,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 13:07:26,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:07:26,101 INFO L87 Difference]: Start difference. First operand 2372 states and 2657 transitions. Second operand 12 states. [2020-10-12 13:07:26,853 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2020-10-12 13:07:27,094 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2020-10-12 13:07:27,422 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 72 [2020-10-12 13:07:27,673 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2020-10-12 13:07:28,085 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 76 [2020-10-12 13:07:28,411 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 96 [2020-10-12 13:07:28,898 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 59 [2020-10-12 13:07:29,095 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2020-10-12 13:07:29,703 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 85 [2020-10-12 13:07:30,161 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 58 [2020-10-12 13:07:30,591 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 61 [2020-10-12 13:07:30,856 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 64 [2020-10-12 13:07:31,419 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2020-10-12 13:07:31,807 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 69 [2020-10-12 13:07:31,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:31,936 INFO L93 Difference]: Finished difference Result 4754 states and 5355 transitions. [2020-10-12 13:07:31,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 13:07:31,944 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 381 [2020-10-12 13:07:31,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:31,953 INFO L225 Difference]: With dead ends: 4754 [2020-10-12 13:07:31,954 INFO L226 Difference]: Without dead ends: 2516 [2020-10-12 13:07:31,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=217, Invalid=539, Unknown=0, NotChecked=0, Total=756 [2020-10-12 13:07:31,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2516 states. [2020-10-12 13:07:32,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2516 to 2504. [2020-10-12 13:07:32,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2504 states. [2020-10-12 13:07:32,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2504 states and 2802 transitions. [2020-10-12 13:07:32,012 INFO L78 Accepts]: Start accepts. Automaton has 2504 states and 2802 transitions. Word has length 381 [2020-10-12 13:07:32,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:32,013 INFO L479 AbstractCegarLoop]: Abstraction has 2504 states and 2802 transitions. [2020-10-12 13:07:32,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 13:07:32,013 INFO L276 IsEmpty]: Start isEmpty. Operand 2504 states and 2802 transitions. [2020-10-12 13:07:32,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2020-10-12 13:07:32,020 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:32,021 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:07:32,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 13:07:32,021 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:32,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:32,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1517920092, now seen corresponding path program 1 times [2020-10-12 13:07:32,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:32,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1578015578] [2020-10-12 13:07:32,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:32,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:32,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:33,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:33,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 414 [2020-10-12 13:07:33,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:07:33,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 990 [2020-10-12 13:07:33,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 386 [2020-10-12 13:07:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 13:07:33,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:33,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:33,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:33,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:33,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:33,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:33,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:07:33,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:33,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:33,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:33,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:33,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:33,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:33,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:33,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:33,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 13:07:33,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:33,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 13:07:33,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:33,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:33,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:33,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:33,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:33,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 13:07:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:33,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:33,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:33,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 13:07:33,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:33,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 13:07:33,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:33,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:33,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:33,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:33,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:33,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-12 13:07:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:33,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:33,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:33,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-12 13:07:33,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:33,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-12 13:07:33,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:33,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:33,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-12 13:07:33,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:33,535 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 66 proven. 3 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2020-10-12 13:07:33,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1578015578] [2020-10-12 13:07:33,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:33,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:07:33,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357102274] [2020-10-12 13:07:33,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:07:33,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:33,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:07:33,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:07:33,538 INFO L87 Difference]: Start difference. First operand 2504 states and 2802 transitions. Second operand 5 states. [2020-10-12 13:07:34,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:34,633 INFO L93 Difference]: Finished difference Result 2510 states and 2808 transitions. [2020-10-12 13:07:34,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:07:34,633 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 400 [2020-10-12 13:07:34,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:34,634 INFO L225 Difference]: With dead ends: 2510 [2020-10-12 13:07:34,635 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 13:07:34,640 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:07:34,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 13:07:34,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 13:07:34,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 13:07:34,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 13:07:34,641 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 400 [2020-10-12 13:07:34,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:34,641 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 13:07:34,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:07:34,641 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 13:07:34,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 13:07:34,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 13:07:34,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 13:07:35,345 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 156 [2020-10-12 13:07:35,770 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 147 [2020-10-12 13:07:36,417 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 38 [2020-10-12 13:07:37,126 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 49 [2020-10-12 13:07:37,693 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 49 [2020-10-12 13:07:37,698 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:07:37,699 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)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-12 13:07:37,699 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:07:37,699 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-12 13:07:37,699 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,699 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,700 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,700 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,700 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,700 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,700 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-12 13:07:37,701 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-12 13:07:37,701 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-12 13:07:37,701 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-12 13:07:37,701 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-12 13:07:37,701 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-12 13:07:37,701 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-12 13:07:37,701 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-12 13:07:37,702 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-12 13:07:37,702 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-12 13:07:37,702 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-12 13:07:37,702 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,702 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,702 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,702 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,702 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,703 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-12 13:07:37,703 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-12 13:07:37,703 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-12 13:07:37,703 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-12 13:07:37,703 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-12 13:07:37,703 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-12 13:07:37,703 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-12 13:07:37,703 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-12 13:07:37,703 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-12 13:07:37,704 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-12 13:07:37,704 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-12 13:07:37,704 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-12 13:07:37,704 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-12 13:07:37,704 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 70) no Hoare annotation was computed. [2020-10-12 13:07:37,704 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-12 13:07:37,704 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,704 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,705 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,705 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,705 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,705 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-12 13:07:37,705 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-12 13:07:37,705 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-12 13:07:37,705 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-12 13:07:37,705 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-12 13:07:37,706 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-12 13:07:37,706 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-12 13:07:37,706 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-12 13:07:37,706 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-12 13:07:37,706 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-12 13:07:37,706 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,706 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,706 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,706 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,707 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,707 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-12 13:07:37,707 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-12 13:07:37,707 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-12 13:07:37,707 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-12 13:07:37,707 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-12 13:07:37,707 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-12 13:07:37,707 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-12 13:07:37,707 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-12 13:07:37,708 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-12 13:07:37,708 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-12 13:07:37,708 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-12 13:07:37,708 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-12 13:07:37,708 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-12 13:07:37,708 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,708 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,708 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,708 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,709 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,709 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-12 13:07:37,709 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-12 13:07:37,709 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-12 13:07:37,709 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-12 13:07:37,709 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-12 13:07:37,709 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-12 13:07:37,709 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-12 13:07:37,709 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-12 13:07:37,710 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-12 13:07:37,710 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,710 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,710 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,710 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,710 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,710 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,710 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,710 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-12 13:07:37,711 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-12 13:07:37,711 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-12 13:07:37,711 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-12 13:07:37,711 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-12 13:07:37,711 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-12 13:07:37,711 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-12 13:07:37,711 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-12 13:07:37,711 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-12 13:07:37,711 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-12 13:07:37,712 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-12 13:07:37,712 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-12 13:07:37,712 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-12 13:07:37,712 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,712 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,712 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,712 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,712 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-12 13:07:37,712 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,713 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,713 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-12 13:07:37,713 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-12 13:07:37,713 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-12 13:07:37,713 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-12 13:07:37,713 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-12 13:07:37,713 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-12 13:07:37,713 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-12 13:07:37,713 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-12 13:07:37,714 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-12 13:07:37,714 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-12 13:07:37,714 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-12 13:07:37,714 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-12 13:07:37,714 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-12 13:07:37,714 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,714 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,714 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,714 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,715 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,715 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,715 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-12 13:07:37,715 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-12 13:07:37,715 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-12 13:07:37,715 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-12 13:07:37,715 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-12 13:07:37,715 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-12 13:07:37,715 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-12 13:07:37,716 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-12 13:07:37,716 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-12 13:07:37,716 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-12 13:07:37,716 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-12 13:07:37,716 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or (not (<= 592098 |old(~a1~0)|)) .cse0 (not (= 8 |old(~a19~0)|))) (or (and (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 36))) .cse0) (or .cse0 (not (<= |old(~a10~0)| 1))) (or .cse0 (not (<= 3 |old(~a10~0)|))) (or (not (<= |old(~a19~0)| 7)) .cse0))) [2020-10-12 13:07:37,716 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-12 13:07:37,716 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-12 13:07:37,717 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-12 13:07:37,717 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,717 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,717 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,717 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,717 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,717 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,717 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-12 13:07:37,718 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-12 13:07:37,718 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-12 13:07:37,718 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-12 13:07:37,718 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-12 13:07:37,718 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-12 13:07:37,718 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-12 13:07:37,718 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-12 13:07:37,718 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-12 13:07:37,718 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-12 13:07:37,718 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-12 13:07:37,719 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-12 13:07:37,719 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-12 13:07:37,719 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,719 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,719 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,719 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,719 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,719 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,719 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-12 13:07:37,720 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-12 13:07:37,720 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-12 13:07:37,720 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-12 13:07:37,720 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-12 13:07:37,720 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-12 13:07:37,720 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-12 13:07:37,720 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-12 13:07:37,720 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-12 13:07:37,720 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-12 13:07:37,721 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-12 13:07:37,721 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-12 13:07:37,721 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,721 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,721 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,721 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,721 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,721 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:07:37,721 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-12 13:07:37,722 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-12 13:07:37,722 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-12 13:07:37,722 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-12 13:07:37,722 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-12 13:07:37,722 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-12 13:07:37,722 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-12 13:07:37,722 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-12 13:07:37,722 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-12 13:07:37,722 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-12 13:07:37,722 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-12 13:07:37,723 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-12 13:07:37,723 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:07:37,723 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-10-12 13:07:37,723 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 13:07:37,723 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:07:37,723 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23))) [2020-10-12 13:07:37,723 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-12 13:07:37,724 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (= ~a19~0 9)) (.cse1 (<= 3 ~a10~0)) (.cse4 (<= ~a10~0 1)) (.cse3 (= ~a19~0 8)) (.cse2 (= 0 |old(~a10~0)|))) (or (and (<= 23 ~a1~0) .cse0 (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (and .cse1 .cse2) (and .cse3 .cse4) (and .cse3 (<= (+ ~a1~0 45442) 0)) (and .cse0 .cse2) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= ~a19~0 7) .cse2) (and .cse3 .cse1) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and .cse4 .cse2) (and .cse3 (<= 592098 ~a1~0) .cse2) (and (<= ~a1~0 36) .cse2))) [2020-10-12 13:07:37,724 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-12 13:07:37,724 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-12 13:07:37,724 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (= ~a19~0 9)) (.cse1 (<= 3 ~a10~0)) (.cse4 (<= ~a10~0 1)) (.cse3 (= ~a19~0 8)) (.cse2 (= 0 |old(~a10~0)|))) (or (and (<= 23 ~a1~0) .cse0 (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (and .cse1 .cse2) (and .cse3 .cse4) (and .cse3 (<= (+ ~a1~0 45442) 0)) (and .cse0 .cse2) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= ~a19~0 7) .cse2) (and .cse3 .cse1) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and .cse4 .cse2) (and .cse3 (<= 592098 ~a1~0) .cse2) (and (<= ~a1~0 36) .cse2))) [2020-10-12 13:07:37,724 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-12 13:07:37,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 01:07:37 BoogieIcfgContainer [2020-10-12 13:07:37,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 13:07:37,749 INFO L168 Benchmark]: Toolchain (without parser) took 68398.97 ms. Allocated memory was 140.5 MB in the beginning and 871.9 MB in the end (delta: 731.4 MB). Free memory was 102.0 MB in the beginning and 460.7 MB in the end (delta: -358.6 MB). Peak memory consumption was 719.3 MB. Max. memory is 7.1 GB. [2020-10-12 13:07:37,750 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 13:07:37,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.36 ms. Allocated memory was 140.5 MB in the beginning and 208.7 MB in the end (delta: 68.2 MB). Free memory was 101.8 MB in the beginning and 175.4 MB in the end (delta: -73.5 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. [2020-10-12 13:07:37,751 INFO L168 Benchmark]: Boogie Preprocessor took 101.19 ms. Allocated memory is still 208.7 MB. Free memory was 175.4 MB in the beginning and 170.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-10-12 13:07:37,752 INFO L168 Benchmark]: RCFGBuilder took 1418.25 ms. Allocated memory was 208.7 MB in the beginning and 238.0 MB in the end (delta: 29.4 MB). Free memory was 170.4 MB in the beginning and 181.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2020-10-12 13:07:37,753 INFO L168 Benchmark]: TraceAbstraction took 66041.59 ms. Allocated memory was 238.0 MB in the beginning and 871.9 MB in the end (delta: 633.9 MB). Free memory was 181.5 MB in the beginning and 460.7 MB in the end (delta: -279.2 MB). Peak memory consumption was 701.3 MB. Max. memory is 7.1 GB. [2020-10-12 13:07:37,756 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 832.36 ms. Allocated memory was 140.5 MB in the beginning and 208.7 MB in the end (delta: 68.2 MB). Free memory was 101.8 MB in the beginning and 175.4 MB in the end (delta: -73.5 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.19 ms. Allocated memory is still 208.7 MB. Free memory was 175.4 MB in the beginning and 170.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1418.25 ms. Allocated memory was 208.7 MB in the beginning and 238.0 MB in the end (delta: 29.4 MB). Free memory was 170.4 MB in the beginning and 181.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 66041.59 ms. Allocated memory was 238.0 MB in the beginning and 871.9 MB in the end (delta: 633.9 MB). Free memory was 181.5 MB in the beginning and 460.7 MB in the end (delta: -279.2 MB). Peak memory consumption was 701.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 70]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((((((((23 <= a1 && a19 == 9) && a1 <= 23) && a10 == \old(a10)) || (3 <= a10 && 0 == \old(a10))) || (a19 == 8 && a10 <= 1)) || (a19 == 8 && a1 + 45442 <= 0)) || (a19 == 9 && 0 == \old(a10))) || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || (a19 <= 7 && 0 == \old(a10))) || (a19 == 8 && 3 <= a10)) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || (a10 <= 1 && 0 == \old(a10))) || ((a19 == 8 && 592098 <= a1) && 0 == \old(a10))) || (a1 <= 36 && 0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 62.8s, OverallIterations: 15, TraceHistogramMax: 4, AutomataDifference: 28.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 392 SDtfs, 6132 SDslu, 495 SDs, 0 SdLazy, 13267 SolverSat, 1880 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 18.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 259 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2531occurred 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: 0.7s AutomataMinimizationTime, 15 MinimizatonAttempts, 1561 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 162 PreInvPairs, 222 NumberOfFragments, 356 HoareAnnotationTreeSize, 162 FomulaSimplifications, 320265 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 22864 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 30.7s InterpolantComputationTime, 3425 NumberOfCodeBlocks, 3425 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3410 ConstructedInterpolants, 0 QuantifiedInterpolants, 5650723 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 2432/2710 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...