/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 --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:25:37,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:25:37,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:25:37,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:25:37,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:25:37,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:25:37,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:25:37,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:25:37,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:25:37,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:25:37,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:25:37,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:25:37,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:25:37,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:25:37,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:25:37,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:25:37,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:25:37,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:25:37,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:25:37,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:25:37,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:25:37,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:25:37,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:25:37,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:25:37,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:25:37,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:25:37,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:25:37,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:25:37,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:25:37,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:25:37,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:25:37,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:25:37,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:25:37,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:25:37,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:25:37,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:25:37,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:25:37,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:25:37,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:25:37,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:25:37,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:25:37,471 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 [2020-09-21 11:25:37,523 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:25:37,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:25:37,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:25:37,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:25:37,527 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:25:37,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:25:37,527 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:25:37,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:25:37,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:25:37,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:25:37,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:25:37,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:25:37,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:25:37,530 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:25:37,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:25:37,531 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:25:37,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:25:37,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:25:37,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:25:37,532 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:25:37,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:25:37,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:25:37,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:25:37,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:25:37,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:25:37,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:25:37,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:25:37,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:25:37,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:25:37,534 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.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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:25:38,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:25:38,084 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:25:38,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:25:38,090 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:25:38,091 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:25:38,092 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2020-09-21 11:25:38,169 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/17d55e0b9/fd0df89309a04c0c964b90c340703a15/FLAG42f73d245 [2020-09-21 11:25:38,785 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:25:38,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2020-09-21 11:25:38,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/17d55e0b9/fd0df89309a04c0c964b90c340703a15/FLAG42f73d245 [2020-09-21 11:25:39,026 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/17d55e0b9/fd0df89309a04c0c964b90c340703a15 [2020-09-21 11:25:39,039 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:25:39,044 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:25:39,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:25:39,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:25:39,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:25:39,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:25:39" (1/1) ... [2020-09-21 11:25:39,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d876c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:39, skipping insertion in model container [2020-09-21 11:25:39,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:25:39" (1/1) ... [2020-09-21 11:25:39,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:25:39,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:25:39,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:25:39,618 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:25:39,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:25:39,839 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:25:39,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:39 WrapperNode [2020-09-21 11:25:39,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:25:39,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:25:39,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:25:39,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:25:39,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:39" (1/1) ... [2020-09-21 11:25:39,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:39" (1/1) ... [2020-09-21 11:25:39,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:39" (1/1) ... [2020-09-21 11:25:39,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:39" (1/1) ... [2020-09-21 11:25:39,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:39" (1/1) ... [2020-09-21 11:25:39,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:39" (1/1) ... [2020-09-21 11:25:39,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:39" (1/1) ... [2020-09-21 11:25:39,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:25:39,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:25:39,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:25:39,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:25:39,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:39" (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 [2020-09-21 11:25:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:25:40,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:25:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:25:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:25:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:25:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:25:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:25:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:25:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:25:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:25:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:25:41,314 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:25:41,315 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:25:41,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:25:41 BoogieIcfgContainer [2020-09-21 11:25:41,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:25:41,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:25:41,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:25:41,327 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:25:41,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:25:39" (1/3) ... [2020-09-21 11:25:41,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d31136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:25:41, skipping insertion in model container [2020-09-21 11:25:41,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:39" (2/3) ... [2020-09-21 11:25:41,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d31136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:25:41, skipping insertion in model container [2020-09-21 11:25:41,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:25:41" (3/3) ... [2020-09-21 11:25:41,332 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label05.c [2020-09-21 11:25:41,344 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:25:41,355 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:25:41,374 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:25:41,408 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:25:41,408 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:25:41,408 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:25:41,409 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:25:41,409 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:25:41,409 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:25:41,409 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:25:41,409 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:25:41,437 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-21 11:25:41,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-21 11:25:41,453 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:41,455 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:41,455 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:41,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:41,462 INFO L82 PathProgramCache]: Analyzing trace with hash -2092008314, now seen corresponding path program 1 times [2020-09-21 11:25:41,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:41,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1764926507] [2020-09-21 11:25:41,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:41,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:41,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:41,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:41,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:41,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-21 11:25:41,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:41,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-21 11:25:41,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:41,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:25:41,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:25:41,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-09-21 11:25:41,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:42,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:42,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:42,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:42,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:42,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:42,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:42,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:42,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:25:42,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:42,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:42,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:42,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:25:42,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:42,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:25:42,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1764926507] [2020-09-21 11:25:42,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:25:42,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:25:42,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356786185] [2020-09-21 11:25:42,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:25:42,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:42,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:25:42,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:25:42,401 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-09-21 11:25:44,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:44,903 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-09-21 11:25:44,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:25:44,907 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-09-21 11:25:44,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:44,930 INFO L225 Difference]: With dead ends: 813 [2020-09-21 11:25:44,930 INFO L226 Difference]: Without dead ends: 488 [2020-09-21 11:25:44,941 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:25:44,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-09-21 11:25:45,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-09-21 11:25:45,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-09-21 11:25:45,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-09-21 11:25:45,059 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 132 [2020-09-21 11:25:45,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:45,060 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-09-21 11:25:45,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:25:45,062 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-09-21 11:25:45,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-09-21 11:25:45,071 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:45,072 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:45,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:25:45,072 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:45,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:45,073 INFO L82 PathProgramCache]: Analyzing trace with hash 682738721, now seen corresponding path program 1 times [2020-09-21 11:25:45,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:45,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1229941105] [2020-09-21 11:25:45,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:45,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:45,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:45,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:45,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:45,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-21 11:25:45,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:45,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 11:25:45,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:45,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:25:45,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:25:45,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-09-21 11:25:45,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:45,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:45,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:45,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:45,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:45,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:45,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:45,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:45,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:25:45,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:45,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:45,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:45,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:25:45,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:45,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:45,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:45,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:45,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:45,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:45,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:25:45,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:45,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:25:45,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:25:45,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:25:45,517 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1229941105] [2020-09-21 11:25:45,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:45,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:25:45,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350677482] [2020-09-21 11:25:45,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:25:45,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:45,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:25:45,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:25:45,521 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 5 states. [2020-09-21 11:25:46,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:46,815 INFO L93 Difference]: Finished difference Result 1253 states and 1834 transitions. [2020-09-21 11:25:46,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:25:46,816 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-09-21 11:25:46,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:46,824 INFO L225 Difference]: With dead ends: 1253 [2020-09-21 11:25:46,824 INFO L226 Difference]: Without dead ends: 778 [2020-09-21 11:25:46,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:25:46,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-09-21 11:25:46,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 626. [2020-09-21 11:25:46,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2020-09-21 11:25:46,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 917 transitions. [2020-09-21 11:25:46,879 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 917 transitions. Word has length 140 [2020-09-21 11:25:46,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:46,879 INFO L479 AbstractCegarLoop]: Abstraction has 626 states and 917 transitions. [2020-09-21 11:25:46,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:25:46,880 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 917 transitions. [2020-09-21 11:25:46,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-21 11:25:46,884 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:46,885 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:25:46,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:25:46,885 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:46,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:46,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1033618530, now seen corresponding path program 1 times [2020-09-21 11:25:46,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:46,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2001848764] [2020-09-21 11:25:46,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:46,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:46,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:46,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:46,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:46,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-09-21 11:25:46,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:46,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:25:46,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:46,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:25:46,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:25:46,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-21 11:25:46,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:47,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:47,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:47,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:47,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:47,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:47,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:47,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:47,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:25:47,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:47,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:47,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:47,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:25:47,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:47,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:47,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:47,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:47,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:47,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:47,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:25:47,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:47,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:25:47,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:47,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:47,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:25:47,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:25:47,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:47,199 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:25:47,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2001848764] [2020-09-21 11:25:47,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:25:47,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:25:47,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798219866] [2020-09-21 11:25:47,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:25:47,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:47,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:25:47,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:25:47,203 INFO L87 Difference]: Start difference. First operand 626 states and 917 transitions. Second operand 8 states. [2020-09-21 11:25:49,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:49,526 INFO L93 Difference]: Finished difference Result 2340 states and 3598 transitions. [2020-09-21 11:25:49,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:25:49,527 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 154 [2020-09-21 11:25:49,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:49,543 INFO L225 Difference]: With dead ends: 2340 [2020-09-21 11:25:49,544 INFO L226 Difference]: Without dead ends: 1720 [2020-09-21 11:25:49,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:25:49,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2020-09-21 11:25:49,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1537. [2020-09-21 11:25:49,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1537 states. [2020-09-21 11:25:49,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2098 transitions. [2020-09-21 11:25:49,655 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2098 transitions. Word has length 154 [2020-09-21 11:25:49,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:49,655 INFO L479 AbstractCegarLoop]: Abstraction has 1537 states and 2098 transitions. [2020-09-21 11:25:49,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:25:49,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2098 transitions. [2020-09-21 11:25:49,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-21 11:25:49,699 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:49,700 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:49,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:25:49,704 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:49,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:49,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1282216505, now seen corresponding path program 1 times [2020-09-21 11:25:49,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:49,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [713321357] [2020-09-21 11:25:49,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:49,817 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:25:49,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-21 11:25:49,818 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-21 11:25:49,818 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:49,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-09-21 11:25:49,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:49,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:25:49,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:49,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:49,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:25:49,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 11:25:49,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:49,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:49,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:49,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:49,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:49,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:49,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:49,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:49,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:49,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:49,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:49,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:49,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:49,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:50,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:50,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:50,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:50,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:50,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:50,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:25:50,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:50,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:50,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:50,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:50,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:50,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:50,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:50,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:25:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:50,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:50,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:50,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:50,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:50,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:25:50,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:50,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:25:50,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:50,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:50,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:50,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:25:50,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:50,064 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-21 11:25:50,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [713321357] [2020-09-21 11:25:50,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:50,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:25:50,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723067460] [2020-09-21 11:25:50,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:25:50,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:50,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:25:50,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:25:50,068 INFO L87 Difference]: Start difference. First operand 1537 states and 2098 transitions. Second operand 5 states. [2020-09-21 11:25:51,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:51,678 INFO L93 Difference]: Finished difference Result 4579 states and 6428 transitions. [2020-09-21 11:25:51,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:25:51,678 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-09-21 11:25:51,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:51,703 INFO L225 Difference]: With dead ends: 4579 [2020-09-21 11:25:51,703 INFO L226 Difference]: Without dead ends: 3048 [2020-09-21 11:25:51,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:25:51,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3048 states. [2020-09-21 11:25:51,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3048 to 2883. [2020-09-21 11:25:51,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2883 states. [2020-09-21 11:25:51,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 2883 states and 3933 transitions. [2020-09-21 11:25:51,825 INFO L78 Accepts]: Start accepts. Automaton has 2883 states and 3933 transitions. Word has length 167 [2020-09-21 11:25:51,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:51,826 INFO L479 AbstractCegarLoop]: Abstraction has 2883 states and 3933 transitions. [2020-09-21 11:25:51,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:25:51,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2883 states and 3933 transitions. [2020-09-21 11:25:51,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-09-21 11:25:51,836 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:51,836 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:51,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:25:51,836 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:51,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:51,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1887045313, now seen corresponding path program 1 times [2020-09-21 11:25:51,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:51,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1923117682] [2020-09-21 11:25:51,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:51,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:51,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:51,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:51,882 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:51,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-09-21 11:25:51,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:51,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:25:51,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:51,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:51,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 11:25:51,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:25:51,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:51,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:51,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:51,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:51,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:51,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:51,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:51,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:51,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:51,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:51,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:51,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:51,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:51,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:51,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:51,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:51,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:25:51,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:51,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:25:51,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:51,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:51,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:51,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:25:51,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:51,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 11:25:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:51,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:51,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:51,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:51,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:51,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 11:25:51,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:51,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:25:51,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:51,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:51,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:25:51,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:25:51,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:52,068 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:25:52,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1923117682] [2020-09-21 11:25:52,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:52,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:25:52,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032181471] [2020-09-21 11:25:52,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:25:52,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:52,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:25:52,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:25:52,070 INFO L87 Difference]: Start difference. First operand 2883 states and 3933 transitions. Second operand 7 states. [2020-09-21 11:25:53,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:53,715 INFO L93 Difference]: Finished difference Result 6688 states and 9360 transitions. [2020-09-21 11:25:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:25:53,716 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 171 [2020-09-21 11:25:53,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:53,741 INFO L225 Difference]: With dead ends: 6688 [2020-09-21 11:25:53,742 INFO L226 Difference]: Without dead ends: 3811 [2020-09-21 11:25:53,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:25:53,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3811 states. [2020-09-21 11:25:53,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3811 to 3642. [2020-09-21 11:25:53,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3642 states. [2020-09-21 11:25:53,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3642 states to 3642 states and 4881 transitions. [2020-09-21 11:25:53,901 INFO L78 Accepts]: Start accepts. Automaton has 3642 states and 4881 transitions. Word has length 171 [2020-09-21 11:25:53,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:53,901 INFO L479 AbstractCegarLoop]: Abstraction has 3642 states and 4881 transitions. [2020-09-21 11:25:53,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:25:53,902 INFO L276 IsEmpty]: Start isEmpty. Operand 3642 states and 4881 transitions. [2020-09-21 11:25:53,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-21 11:25:53,914 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:53,915 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:53,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:25:53,915 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:53,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:53,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1588998583, now seen corresponding path program 1 times [2020-09-21 11:25:53,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:53,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [344642768] [2020-09-21 11:25:53,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:53,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:53,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:53,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:53,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:53,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-21 11:25:53,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:53,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:25:53,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:53,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:53,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-21 11:25:53,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:25:53,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:54,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:54,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:54,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:54,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:54,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:54,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:54,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:54,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:54,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:54,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:54,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:54,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:54,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:54,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:54,073 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:54,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:54,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:54,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:54,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:25:54,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:54,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:25:54,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:54,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:54,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:54,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:25:54,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:54,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:25:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:54,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:54,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:54,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:54,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:54,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 11:25:54,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:54,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:25:54,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:54,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:54,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:25:54,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:25:54,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:54,170 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:25:54,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [344642768] [2020-09-21 11:25:54,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:54,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:25:54,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975732053] [2020-09-21 11:25:54,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:25:54,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:54,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:25:54,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:25:54,174 INFO L87 Difference]: Start difference. First operand 3642 states and 4881 transitions. Second operand 7 states. [2020-09-21 11:25:56,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:56,391 INFO L93 Difference]: Finished difference Result 7764 states and 10803 transitions. [2020-09-21 11:25:56,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:25:56,392 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 175 [2020-09-21 11:25:56,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:56,416 INFO L225 Difference]: With dead ends: 7764 [2020-09-21 11:25:56,416 INFO L226 Difference]: Without dead ends: 4128 [2020-09-21 11:25:56,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:25:56,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4128 states. [2020-09-21 11:25:56,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4128 to 4016. [2020-09-21 11:25:56,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4016 states. [2020-09-21 11:25:56,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4016 states to 4016 states and 5073 transitions. [2020-09-21 11:25:56,584 INFO L78 Accepts]: Start accepts. Automaton has 4016 states and 5073 transitions. Word has length 175 [2020-09-21 11:25:56,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:56,584 INFO L479 AbstractCegarLoop]: Abstraction has 4016 states and 5073 transitions. [2020-09-21 11:25:56,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:25:56,584 INFO L276 IsEmpty]: Start isEmpty. Operand 4016 states and 5073 transitions. [2020-09-21 11:25:56,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-21 11:25:56,603 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:56,604 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:56,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:25:56,604 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:56,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:56,605 INFO L82 PathProgramCache]: Analyzing trace with hash 2147024105, now seen corresponding path program 1 times [2020-09-21 11:25:56,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:56,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [894731420] [2020-09-21 11:25:56,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:56,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:25:56,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -25 [2020-09-21 11:25:56,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 25 [2020-09-21 11:25:56,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:56,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-09-21 11:25:56,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:56,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:25:56,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:56,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-21 11:25:56,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-21 11:25:56,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:56,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:56,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:56,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:56,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:56,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:56,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:56,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:56,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:56,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:56,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:56,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:56,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:56,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:56,780 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:56,780 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:56,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 11:25:56,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:56,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:25:56,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:56,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:56,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:56,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:25:56,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:56,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:25:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:56,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:56,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:56,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:56,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:56,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 11:25:56,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:56,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:25:56,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:56,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:56,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:25:56,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:25:56,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:56,863 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:25:56,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [894731420] [2020-09-21 11:25:56,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:56,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:25:56,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067819684] [2020-09-21 11:25:56,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:25:56,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:56,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:25:56,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:25:56,867 INFO L87 Difference]: Start difference. First operand 4016 states and 5073 transitions. Second operand 7 states. [2020-09-21 11:25:58,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:58,731 INFO L93 Difference]: Finished difference Result 8479 states and 10934 transitions. [2020-09-21 11:25:58,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:25:58,731 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-09-21 11:25:58,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:58,757 INFO L225 Difference]: With dead ends: 8479 [2020-09-21 11:25:58,757 INFO L226 Difference]: Without dead ends: 4941 [2020-09-21 11:25:58,767 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:25:58,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4941 states. [2020-09-21 11:25:58,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4941 to 4924. [2020-09-21 11:25:58,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4924 states. [2020-09-21 11:25:58,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4924 states to 4924 states and 6202 transitions. [2020-09-21 11:25:58,897 INFO L78 Accepts]: Start accepts. Automaton has 4924 states and 6202 transitions. Word has length 183 [2020-09-21 11:25:58,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:58,898 INFO L479 AbstractCegarLoop]: Abstraction has 4924 states and 6202 transitions. [2020-09-21 11:25:58,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:25:58,898 INFO L276 IsEmpty]: Start isEmpty. Operand 4924 states and 6202 transitions. [2020-09-21 11:25:58,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-21 11:25:58,913 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:58,914 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 11:25:58,914 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:25:58,914 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:58,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:58,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1142080301, now seen corresponding path program 1 times [2020-09-21 11:25:58,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:58,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1309295390] [2020-09-21 11:25:58,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:59,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:59,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:59,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:59,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:59,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-09-21 11:25:59,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:59,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 11:25:59,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:59,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:25:59,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:25:59,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-21 11:25:59,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:59,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:59,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:59,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:59,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:59,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:59,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:59,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:59,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:25:59,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:59,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:59,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:59,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:25:59,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:59,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:59,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:59,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:59,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:59,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:59,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:25:59,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:59,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:25:59,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:59,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:59,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:59,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:25:59,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:59,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:25:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:59,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:59,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:59,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:59,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:59,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:25:59,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:59,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:25:59,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:59,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:59,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:25:59,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:25:59,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:59,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:25:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:59,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:59,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:59,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:59,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:59,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 11:25:59,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:59,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:59,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:59,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:59,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-21 11:25:59,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:59,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:59,273 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 70 proven. 22 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-21 11:25:59,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1309295390] [2020-09-21 11:25:59,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:59,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:25:59,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991418156] [2020-09-21 11:25:59,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:25:59,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:59,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:25:59,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:25:59,276 INFO L87 Difference]: Start difference. First operand 4924 states and 6202 transitions. Second operand 7 states. [2020-09-21 11:26:00,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:00,246 INFO L93 Difference]: Finished difference Result 8644 states and 11039 transitions. [2020-09-21 11:26:00,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:26:00,247 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2020-09-21 11:26:00,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:00,266 INFO L225 Difference]: With dead ends: 8644 [2020-09-21 11:26:00,266 INFO L226 Difference]: Without dead ends: 4200 [2020-09-21 11:26:00,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:26:00,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4200 states. [2020-09-21 11:26:00,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4200 to 3552. [2020-09-21 11:26:00,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3552 states. [2020-09-21 11:26:00,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3552 states to 3552 states and 4261 transitions. [2020-09-21 11:26:00,448 INFO L78 Accepts]: Start accepts. Automaton has 3552 states and 4261 transitions. Word has length 199 [2020-09-21 11:26:00,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:00,448 INFO L479 AbstractCegarLoop]: Abstraction has 3552 states and 4261 transitions. [2020-09-21 11:26:00,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:00,449 INFO L276 IsEmpty]: Start isEmpty. Operand 3552 states and 4261 transitions. [2020-09-21 11:26:00,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-21 11:26:00,462 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:00,463 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:00,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:26:00,463 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:00,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:00,464 INFO L82 PathProgramCache]: Analyzing trace with hash -498984732, now seen corresponding path program 1 times [2020-09-21 11:26:00,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:00,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [385278533] [2020-09-21 11:26:00,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:00,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:00,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:00,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:00,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:00,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-09-21 11:26:00,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:00,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:26:00,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:00,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:00,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-09-21 11:26:00,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:26:00,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:00,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:00,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:00,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:00,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:00,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:00,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:00,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:00,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:00,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:00,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:00,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:00,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:00,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:00,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:00,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:00,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:00,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 11:26:00,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:00,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:00,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:00,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:00,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:00,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-21 11:26:00,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:00,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-21 11:26:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:00,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:00,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:00,708 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:00,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:00,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 11:26:00,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:00,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:26:00,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:00,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:00,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:00,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:26:00,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:00,781 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 102 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:26:00,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [385278533] [2020-09-21 11:26:00,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:00,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:00,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105864350] [2020-09-21 11:26:00,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:00,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:00,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:00,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:00,792 INFO L87 Difference]: Start difference. First operand 3552 states and 4261 transitions. Second operand 7 states. [2020-09-21 11:26:02,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:02,006 INFO L93 Difference]: Finished difference Result 7844 states and 9604 transitions. [2020-09-21 11:26:02,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:26:02,007 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 213 [2020-09-21 11:26:02,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:02,031 INFO L225 Difference]: With dead ends: 7844 [2020-09-21 11:26:02,031 INFO L226 Difference]: Without dead ends: 3044 [2020-09-21 11:26:02,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:26:02,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3044 states. [2020-09-21 11:26:02,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 2706. [2020-09-21 11:26:02,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2706 states. [2020-09-21 11:26:02,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 2901 transitions. [2020-09-21 11:26:02,108 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 2901 transitions. Word has length 213 [2020-09-21 11:26:02,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:02,109 INFO L479 AbstractCegarLoop]: Abstraction has 2706 states and 2901 transitions. [2020-09-21 11:26:02,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:02,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 2901 transitions. [2020-09-21 11:26:02,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-21 11:26:02,117 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:02,117 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:26:02,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:26:02,117 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:02,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:02,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1559618823, now seen corresponding path program 1 times [2020-09-21 11:26:02,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:02,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1447154809] [2020-09-21 11:26:02,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:02,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:02,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:02,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:02,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:02,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-09-21 11:26:02,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:02,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:26:02,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:02,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:02,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-21 11:26:02,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 11:26:02,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:02,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:02,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:02,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:02,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:02,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:02,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:02,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:02,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:02,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:02,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:02,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:02,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:02,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:02,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:02,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:02,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:02,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:02,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:02,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:26:02,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:02,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:26:02,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:02,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:02,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:02,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:26:02,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:02,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:26:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:02,435 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:02,436 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:02,436 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:02,436 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:02,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:26:02,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:02,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-21 11:26:02,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:02,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:02,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:02,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-21 11:26:02,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:02,639 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:26:02,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1447154809] [2020-09-21 11:26:02,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:02,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:02,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594270185] [2020-09-21 11:26:02,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:02,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:02,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:02,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:02,644 INFO L87 Difference]: Start difference. First operand 2706 states and 2901 transitions. Second operand 7 states. [2020-09-21 11:26:03,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:03,942 INFO L93 Difference]: Finished difference Result 4978 states and 5337 transitions. [2020-09-21 11:26:03,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:26:03,943 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 217 [2020-09-21 11:26:03,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:03,949 INFO L225 Difference]: With dead ends: 4978 [2020-09-21 11:26:03,949 INFO L226 Difference]: Without dead ends: 2722 [2020-09-21 11:26:03,954 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:26:03,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2722 states. [2020-09-21 11:26:04,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2722 to 2560. [2020-09-21 11:26:04,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2560 states. [2020-09-21 11:26:04,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2560 states and 2726 transitions. [2020-09-21 11:26:04,011 INFO L78 Accepts]: Start accepts. Automaton has 2560 states and 2726 transitions. Word has length 217 [2020-09-21 11:26:04,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:04,012 INFO L479 AbstractCegarLoop]: Abstraction has 2560 states and 2726 transitions. [2020-09-21 11:26:04,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:04,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 2726 transitions. [2020-09-21 11:26:04,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-09-21 11:26:04,020 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:04,020 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:04,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:26:04,021 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:04,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:04,021 INFO L82 PathProgramCache]: Analyzing trace with hash 836626846, now seen corresponding path program 1 times [2020-09-21 11:26:04,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:04,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1474140351] [2020-09-21 11:26:04,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:04,110 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:26:04,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -113 [2020-09-21 11:26:04,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 113 [2020-09-21 11:26:04,111 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:04,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-09-21 11:26:04,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:04,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:26:04,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:04,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:04,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-09-21 11:26:04,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 11:26:04,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:04,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:04,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:04,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:04,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:04,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:04,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:04,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:04,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:04,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:04,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:04,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:04,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:04,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:04,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:04,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:04,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:04,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:04,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:04,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:26:04,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:04,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:04,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:04,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:04,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:04,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:04,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:04,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:26:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:04,312 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:04,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:04,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:04,313 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:04,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:26:04,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:04,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:26:04,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:04,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:04,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:04,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 11:26:04,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:04,450 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-09-21 11:26:04,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1474140351] [2020-09-21 11:26:04,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:04,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 11:26:04,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362194117] [2020-09-21 11:26:04,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:26:04,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:04,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:26:04,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:26:04,453 INFO L87 Difference]: Start difference. First operand 2560 states and 2726 transitions. Second operand 6 states. [2020-09-21 11:26:05,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:05,711 INFO L93 Difference]: Finished difference Result 3922 states and 4173 transitions. [2020-09-21 11:26:05,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:26:05,711 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 238 [2020-09-21 11:26:05,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:05,712 INFO L225 Difference]: With dead ends: 3922 [2020-09-21 11:26:05,712 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:26:05,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:26:05,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:26:05,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:26:05,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:26:05,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:26:05,721 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 238 [2020-09-21 11:26:05,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:05,722 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:26:05,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:26:05,722 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:26:05,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:26:05,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:26:05,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:26:07,920 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 162 [2020-09-21 11:26:08,457 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 162 [2020-09-21 11:26:09,697 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 169 DAG size of output: 77 [2020-09-21 11:26:10,374 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 53 [2020-09-21 11:26:10,988 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 53 [2020-09-21 11:26:10,993 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:26:10,994 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-09-21 11:26:10,994 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:26:10,995 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:10,995 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:10,995 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:10,995 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:10,995 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:10,995 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-21 11:26:10,995 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-21 11:26:10,995 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-21 11:26:10,996 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-21 11:26:10,996 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-21 11:26:10,996 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 11:26:10,996 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-21 11:26:10,996 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-21 11:26:10,996 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-21 11:26:10,996 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-21 11:26:10,997 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:26:10,997 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:26:10,997 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-21 11:26:10,997 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:10,997 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:10,997 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:10,997 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:10,997 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-21 11:26:10,998 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:10,998 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-21 11:26:10,998 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 11:26:10,998 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 11:26:10,998 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 11:26:10,998 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-21 11:26:10,998 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-21 11:26:10,998 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-21 11:26:10,999 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 11:26:10,999 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-21 11:26:10,999 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-21 11:26:10,999 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-21 11:26:10,999 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-21 11:26:10,999 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-21 11:26:10,999 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-21 11:26:10,999 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-21 11:26:10,999 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,000 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,000 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,000 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,000 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,000 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 550) no Hoare annotation was computed. [2020-09-21 11:26:11,000 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-21 11:26:11,000 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-21 11:26:11,001 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-21 11:26:11,001 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 11:26:11,001 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-21 11:26:11,001 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-21 11:26:11,001 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-21 11:26:11,001 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-21 11:26:11,001 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-21 11:26:11,001 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-21 11:26:11,001 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-21 11:26:11,002 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,002 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,002 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,002 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,002 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,002 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-21 11:26:11,002 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-21 11:26:11,002 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-21 11:26:11,003 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-21 11:26:11,003 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 11:26:11,003 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-21 11:26:11,003 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-21 11:26:11,003 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-21 11:26:11,003 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-21 11:26:11,003 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-21 11:26:11,003 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-21 11:26:11,004 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-21 11:26:11,004 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-21 11:26:11,004 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,004 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,004 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,004 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,004 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,005 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-21 11:26:11,005 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 11:26:11,005 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-21 11:26:11,005 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-21 11:26:11,005 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 11:26:11,005 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-21 11:26:11,005 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-21 11:26:11,005 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-21 11:26:11,006 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-21 11:26:11,006 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-21 11:26:11,006 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-21 11:26:11,006 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-21 11:26:11,006 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-21 11:26:11,006 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:26:11,006 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-21 11:26:11,006 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:26:11,007 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,007 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,007 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,007 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,007 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-21 11:26:11,007 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,007 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-21 11:26:11,007 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,008 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-21 11:26:11,008 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-21 11:26:11,008 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-21 11:26:11,008 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,008 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,008 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-21 11:26:11,008 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-21 11:26:11,008 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-21 11:26:11,009 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-21 11:26:11,009 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 11:26:11,009 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 11:26:11,009 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-21 11:26:11,009 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-21 11:26:11,009 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-21 11:26:11,009 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-21 11:26:11,009 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-21 11:26:11,010 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,010 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,010 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,010 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,010 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,010 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,010 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-21 11:26:11,010 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-21 11:26:11,010 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-21 11:26:11,011 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-21 11:26:11,011 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 11:26:11,011 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 11:26:11,011 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 11:26:11,011 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-21 11:26:11,011 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-21 11:26:11,011 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-21 11:26:11,011 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-21 11:26:11,011 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,012 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,012 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,012 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,012 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,012 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,012 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-21 11:26:11,012 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-21 11:26:11,012 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-21 11:26:11,012 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 11:26:11,012 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 11:26:11,013 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-21 11:26:11,013 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 11:26:11,013 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 11:26:11,013 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 11:26:11,013 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-21 11:26:11,013 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-21 11:26:11,013 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-21 11:26:11,013 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-21 11:26:11,013 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-21 11:26:11,014 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,014 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,014 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,014 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse4 (<= 8 ~a17~0)) (.cse15 (= ~a25~0 1)) (.cse5 (<= ~a17~0 8)) (.cse13 (= ~a28~0 10)) (.cse22 (= ~a28~0 |old(~a28~0)|)) (.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse7 (= ~a19~0 |old(~a19~0)|))) (let ((.cse14 (= 11 |old(~a28~0)|)) (.cse21 (not (<= |old(~a28~0)| 9))) (.cse17 (not (= |old(~a19~0)| 1))) (.cse20 (and .cse22 .cse12 .cse2 .cse3 .cse7)) (.cse16 (not (= |old(~a25~0)| 1))) (.cse11 (not (= 10 |old(~a28~0)|))) (.cse1 (not (<= 8 |old(~a17~0)|))) (.cse23 (and .cse2 .cse4 .cse15 .cse5 .cse7 .cse13)) (.cse9 (= |old(~a11~0)| 1)) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse6 (= ~a28~0 8)) (.cse8 (not (= 0 |old(~a25~0)|))) (.cse19 (not (<= |old(~a11~0)| 0))) (.cse10 (not (= 8 |old(~a28~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) .cse8 .cse9 .cse10) (or .cse0 .cse11 (and .cse12 .cse2 .cse3 .cse7 .cse13) .cse14 .cse8) (or (and .cse12 .cse2 .cse15 .cse7 (= ~a28~0 11)) (let ((.cse18 (not .cse14))) (and (or .cse16 .cse0 .cse17 .cse18 .cse19) (or .cse16 .cse0 .cse17 .cse1 .cse18 .cse9)))) (or .cse0 .cse17 .cse20 .cse14 .cse8 .cse21) (or .cse16 .cse0 (and .cse22 .cse12 .cse2 .cse15 .cse7) .cse21) (or .cse16 .cse0 .cse11 (and .cse12 .cse2 .cse15 .cse7 .cse13) .cse19) (or .cse16 .cse0 .cse11 .cse17 .cse1 .cse23) (or .cse0 (not (<= |old(~a28~0)| 7)) .cse20 .cse8) (or .cse16 .cse0 .cse11 .cse1 .cse23 .cse9) (or .cse0 (and .cse12 .cse2 .cse3 .cse6 .cse7) .cse8 .cse19 .cse10)))) [2020-09-21 11:26:11,014 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,015 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,015 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,015 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-21 11:26:11,015 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-21 11:26:11,015 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-21 11:26:11,015 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-21 11:26:11,015 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-21 11:26:11,015 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-21 11:26:11,015 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 11:26:11,016 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 11:26:11,016 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 11:26:11,016 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-21 11:26:11,016 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-21 11:26:11,016 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-21 11:26:11,016 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-21 11:26:11,016 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,016 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,016 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,017 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,017 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,017 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,017 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-21 11:26:11,017 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-21 11:26:11,017 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-21 11:26:11,017 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-21 11:26:11,017 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-21 11:26:11,017 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 11:26:11,018 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 11:26:11,018 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-21 11:26:11,018 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-21 11:26:11,018 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-21 11:26:11,018 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-21 11:26:11,018 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-21 11:26:11,018 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-21 11:26:11,018 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-21 11:26:11,018 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-21 11:26:11,018 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-21 11:26:11,019 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,019 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,019 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,019 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,019 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:11,019 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-21 11:26:11,019 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-21 11:26:11,019 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-21 11:26:11,019 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-21 11:26:11,020 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-21 11:26:11,020 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-21 11:26:11,020 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-21 11:26:11,020 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 11:26:11,020 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 11:26:11,020 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-21 11:26:11,020 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-21 11:26:11,020 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-21 11:26:11,020 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-21 11:26:11,020 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-21 11:26:11,021 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-21 11:26:11,021 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-21 11:26:11,021 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-21 11:26:11,021 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-21 11:26:11,021 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-21 11:26:11,021 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:26:11,021 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a19~0 1) (= ~a25~0 0) (<= 8 ~a17~0) (<= ~a28~0 7) (<= ~a17~0 8)) [2020-09-21 11:26:11,021 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:26:11,022 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:26:11,022 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (<= 8 ~a17~0) (<= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a11~0)| 0))) [2020-09-21 11:26:11,022 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= ~a28~0 10)) (.cse2 (= ~a25~0 1)) (.cse0 (= ~a19~0 1)) (.cse7 (<= ~a28~0 9)) (.cse6 (= ~a25~0 0)) (.cse1 (<= 8 ~a17~0)) (.cse3 (not (= ~a11~0 1))) (.cse4 (<= ~a17~0 8))) (or (not (<= 8 |old(~a17~0)|)) (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~a28~0 11)) (and .cse0 .cse1 .cse2 .cse4 .cse5) (not (= 0 |old(~a25~0)|)) (and .cse6 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 (<= ~a28~0 7) .cse4) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and .cse2 .cse7 .cse4) (and .cse6 .cse0 .cse7 .cse4) (and .cse6 .cse1 .cse3 .cse4 (= ~a28~0 8)) (not (<= |old(~a11~0)| 0)))) [2020-09-21 11:26:11,022 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-21 11:26:11,022 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-21 11:26:11,022 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse5 (= ~a28~0 10)) (.cse2 (= ~a25~0 1)) (.cse0 (= ~a19~0 1)) (.cse7 (<= ~a28~0 9)) (.cse6 (= ~a25~0 0)) (.cse1 (<= 8 ~a17~0)) (.cse3 (not (= ~a11~0 1))) (.cse4 (<= ~a17~0 8))) (or (not (<= 8 |old(~a17~0)|)) (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~a28~0 11)) (and .cse0 .cse1 .cse2 .cse4 .cse5) (not (= 0 |old(~a25~0)|)) (and .cse6 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 (<= ~a28~0 7) .cse4) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and .cse2 .cse7 .cse4) (and .cse6 .cse0 .cse7 .cse4) (and .cse6 .cse1 .cse3 .cse4 (= ~a28~0 8)) (not (<= |old(~a11~0)| 0)))) [2020-09-21 11:26:11,023 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-21 11:26:11,023 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-21 11:26:11,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:26:11 BoogieIcfgContainer [2020-09-21 11:26:11,050 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:26:11,053 INFO L168 Benchmark]: Toolchain (without parser) took 32012.15 ms. Allocated memory was 147.3 MB in the beginning and 613.4 MB in the end (delta: 466.1 MB). Free memory was 101.0 MB in the beginning and 206.8 MB in the end (delta: -105.8 MB). Peak memory consumption was 479.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:11,054 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:26:11,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.72 ms. Allocated memory was 147.3 MB in the beginning and 206.6 MB in the end (delta: 59.2 MB). Free memory was 100.6 MB in the beginning and 174.0 MB in the end (delta: -73.5 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:11,055 INFO L168 Benchmark]: Boogie Preprocessor took 128.11 ms. Allocated memory is still 206.6 MB. Free memory was 174.0 MB in the beginning and 168.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:11,056 INFO L168 Benchmark]: RCFGBuilder took 1352.87 ms. Allocated memory was 206.6 MB in the beginning and 239.1 MB in the end (delta: 32.5 MB). Free memory was 168.5 MB in the beginning and 182.2 MB in the end (delta: -13.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:11,057 INFO L168 Benchmark]: TraceAbstraction took 29727.10 ms. Allocated memory was 239.1 MB in the beginning and 613.4 MB in the end (delta: 374.3 MB). Free memory was 182.2 MB in the beginning and 206.8 MB in the end (delta: -24.6 MB). Peak memory consumption was 469.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:11,063 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 793.72 ms. Allocated memory was 147.3 MB in the beginning and 206.6 MB in the end (delta: 59.2 MB). Free memory was 100.6 MB in the beginning and 174.0 MB in the end (delta: -73.5 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.11 ms. Allocated memory is still 206.6 MB. Free memory was 174.0 MB in the beginning and 168.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1352.87 ms. Allocated memory was 206.6 MB in the beginning and 239.1 MB in the end (delta: 32.5 MB). Free memory was 168.5 MB in the beginning and 182.2 MB in the end (delta: -13.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29727.10 ms. Allocated memory was 239.1 MB in the beginning and 613.4 MB in the end (delta: 374.3 MB). Free memory was 182.2 MB in the beginning and 206.8 MB in the end (delta: -24.6 MB). Peak memory consumption was 469.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 550]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((!(8 <= \old(a17)) || !(\old(a19) == 1)) || (((((a19 == 1 && 8 <= a17) && a25 == 1) && !(a11 == 1)) && a17 <= 8) && a28 == 11)) || ((((a19 == 1 && 8 <= a17) && a25 == 1) && a17 <= 8) && a28 == 10)) || !(0 == \old(a25))) || ((a25 == 0 && a17 <= 8) && a28 == 10)) || ((((8 <= a17 && a25 == 1) && !(a11 == 1)) && a17 <= 8) && a28 == 10)) || ((a25 == 0 && a28 <= 7) && a17 <= 8)) || !(\old(a28) <= 7)) || !(\old(a17) <= 8)) || ((a25 == 1 && a28 <= 9) && a17 <= 8)) || (((a25 == 0 && a19 == 1) && a28 <= 9) && a17 <= 8)) || ((((a25 == 0 && 8 <= a17) && !(a11 == 1)) && a17 <= 8) && a28 == 8)) || !(\old(a11) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.3s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 18.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 410 SDtfs, 5519 SDslu, 537 SDs, 0 SdLazy, 9824 SolverSat, 1622 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4924occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 1953 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 196 PreInvPairs, 256 NumberOfFragments, 766 HoareAnnotationTreeSize, 196 FomulaSimplifications, 52498 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6136 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1989 NumberOfCodeBlocks, 1989 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1978 ConstructedInterpolants, 0 QuantifiedInterpolants, 977482 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 623/660 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...