/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 enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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/Problem10_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:31:50,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:31:50,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:31:50,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:31:50,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:31:50,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:31:50,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:31:50,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:31:50,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:31:50,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:31:50,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:31:50,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:31:50,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:31:50,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:31:50,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:31:50,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:31:50,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:31:50,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:31:50,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:31:50,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:31:50,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:31:50,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:31:50,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:31:50,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:31:50,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:31:50,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:31:50,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:31:50,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:31:50,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:31:50,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:31:50,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:31:50,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:31:50,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:31:50,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:31:50,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:31:50,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:31:50,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:31:50,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:31:50,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:31:50,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:31:50,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:31:50,458 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 12:31:50,494 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:31:50,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:31:50,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:31:50,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:31:50,497 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:31:50,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:31:50,498 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:31:50,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:31:50,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:31:50,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:31:50,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:31:50,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:31:50,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:31:50,499 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:31:50,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:31:50,499 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:31:50,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:31:50,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:31:50,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:31:50,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:31:50,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:31:50,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:31:50,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:31:50,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:31:50,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:31:50,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:31:50,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:31:50,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:31:50,505 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:31:50,505 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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:31:51,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:31:51,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:31:51,030 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:31:51,032 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:31:51,033 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:31:51,034 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label44.c [2020-09-21 12:31:51,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e3f3a70f/d20d59ccaef04a4ca2b02df1423b070f/FLAGf3c32e2e8 [2020-09-21 12:31:51,692 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:31:51,694 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label44.c [2020-09-21 12:31:51,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e3f3a70f/d20d59ccaef04a4ca2b02df1423b070f/FLAGf3c32e2e8 [2020-09-21 12:31:51,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e3f3a70f/d20d59ccaef04a4ca2b02df1423b070f [2020-09-21 12:31:51,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:31:51,939 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:31:51,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:31:51,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:31:51,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:31:51,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:31:51" (1/1) ... [2020-09-21 12:31:51,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6f5b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:51, skipping insertion in model container [2020-09-21 12:31:51,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:31:51" (1/1) ... [2020-09-21 12:31:51,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:31:52,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:31:52,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:31:52,532 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:31:52,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:31:52,843 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:31:52,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:52 WrapperNode [2020-09-21 12:31:52,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:31:52,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:31:52,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:31:52,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:31:52,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:52" (1/1) ... [2020-09-21 12:31:52,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:52" (1/1) ... [2020-09-21 12:31:52,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:52" (1/1) ... [2020-09-21 12:31:52,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:52" (1/1) ... [2020-09-21 12:31:52,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:52" (1/1) ... [2020-09-21 12:31:52,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:52" (1/1) ... [2020-09-21 12:31:52,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:52" (1/1) ... [2020-09-21 12:31:52,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:31:52,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:31:52,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:31:52,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:31:52,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:52" (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 12:31:53,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:31:53,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:31:53,059 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 12:31:53,060 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:31:53,060 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 12:31:53,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:31:53,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:31:53,060 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:31:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:31:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:31:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:31:54,319 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:31:54,320 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 12:31:54,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:31:54 BoogieIcfgContainer [2020-09-21 12:31:54,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:31:54,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:31:54,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:31:54,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:31:54,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:31:51" (1/3) ... [2020-09-21 12:31:54,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9f834b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:31:54, skipping insertion in model container [2020-09-21 12:31:54,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:52" (2/3) ... [2020-09-21 12:31:54,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9f834b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:31:54, skipping insertion in model container [2020-09-21 12:31:54,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:31:54" (3/3) ... [2020-09-21 12:31:54,338 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label44.c [2020-09-21 12:31:54,353 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:31:54,364 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:31:54,390 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:31:54,431 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:31:54,432 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:31:54,432 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:31:54,432 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:31:54,432 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:31:54,433 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:31:54,433 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:31:54,433 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:31:54,466 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-09-21 12:31:54,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 12:31:54,483 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:54,484 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] [2020-09-21 12:31:54,485 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:54,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:54,494 INFO L82 PathProgramCache]: Analyzing trace with hash 745509942, now seen corresponding path program 1 times [2020-09-21 12:31:54,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:54,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [940154344] [2020-09-21 12:31:54,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:54,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:55,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:55,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 12:31:55,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:55,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 483 [2020-09-21 12:31:55,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:55,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:31:55,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:31:55,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 12:31:55,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:31:55,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:55,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:55,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:55,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:55,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:55,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:31:55,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:55,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:55,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:55,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:31:55,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:31:55,400 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 12:31:55,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [940154344] [2020-09-21 12:31:55,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:31:55,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:31:55,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845496426] [2020-09-21 12:31:55,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:31:55,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:55,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:31:55,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:31:55,443 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-09-21 12:31:56,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:56,975 INFO L93 Difference]: Finished difference Result 581 states and 1006 transitions. [2020-09-21 12:31:56,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:56,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2020-09-21 12:31:56,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:57,012 INFO L225 Difference]: With dead ends: 581 [2020-09-21 12:31:57,012 INFO L226 Difference]: Without dead ends: 302 [2020-09-21 12:31:57,022 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:57,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-09-21 12:31:57,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-09-21 12:31:57,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-09-21 12:31:57,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 395 transitions. [2020-09-21 12:31:57,102 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 395 transitions. Word has length 63 [2020-09-21 12:31:57,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:57,103 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 395 transitions. [2020-09-21 12:31:57,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:31:57,103 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 395 transitions. [2020-09-21 12:31:57,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-09-21 12:31:57,116 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:57,116 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 12:31:57,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:31:57,117 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:57,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:57,117 INFO L82 PathProgramCache]: Analyzing trace with hash -825362990, now seen corresponding path program 1 times [2020-09-21 12:31:57,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:57,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1243571062] [2020-09-21 12:31:57,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:57,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:57,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:58,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:58,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-21 12:31:58,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:31:58,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1015 [2020-09-21 12:31:58,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:58,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 12:31:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-21 12:31:58,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:31:58,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:58,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:58,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:58,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:58,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:58,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:31:58,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:58,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:58,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:58,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:58,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:58,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:58,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:58,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:58,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 12:31:58,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:58,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-21 12:31:58,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:58,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:58,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:58,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 12:31:58,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:31:58,518 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:58,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1243571062] [2020-09-21 12:31:58,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:58,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:31:58,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673444870] [2020-09-21 12:31:58,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:58,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:58,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:58,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:58,535 INFO L87 Difference]: Start difference. First operand 298 states and 395 transitions. Second operand 5 states. [2020-09-21 12:31:59,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:59,804 INFO L93 Difference]: Finished difference Result 884 states and 1197 transitions. [2020-09-21 12:31:59,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:59,805 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-09-21 12:31:59,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:59,810 INFO L225 Difference]: With dead ends: 884 [2020-09-21 12:31:59,811 INFO L226 Difference]: Without dead ends: 592 [2020-09-21 12:31:59,813 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:59,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-09-21 12:31:59,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 588. [2020-09-21 12:31:59,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-09-21 12:31:59,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 756 transitions. [2020-09-21 12:31:59,861 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 756 transitions. Word has length 133 [2020-09-21 12:31:59,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:59,862 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 756 transitions. [2020-09-21 12:31:59,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:59,862 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 756 transitions. [2020-09-21 12:31:59,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-21 12:31:59,865 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:59,866 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:59,866 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:31:59,866 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:59,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:59,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1901765607, now seen corresponding path program 1 times [2020-09-21 12:31:59,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:59,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89894093] [2020-09-21 12:31:59,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:59,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:00,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:00,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:00,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-21 12:32:00,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:32:00,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 675 [2020-09-21 12:32:00,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:00,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:00,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-09-21 12:32:00,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-21 12:32:00,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:00,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:00,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:00,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:00,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:00,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:00,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:32:00,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:00,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:00,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:00,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:00,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:00,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:00,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:00,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:00,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:32:00,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:00,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-21 12:32:00,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 12:32:00,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:00,873 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:32:00,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89894093] [2020-09-21 12:32:00,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:00,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:32:00,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952776040] [2020-09-21 12:32:00,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:32:00,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:00,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:32:00,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:00,877 INFO L87 Difference]: Start difference. First operand 588 states and 756 transitions. Second operand 5 states. [2020-09-21 12:32:02,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:02,381 INFO L93 Difference]: Finished difference Result 1609 states and 2122 transitions. [2020-09-21 12:32:02,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:32:02,382 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-09-21 12:32:02,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:02,389 INFO L225 Difference]: With dead ends: 1609 [2020-09-21 12:32:02,390 INFO L226 Difference]: Without dead ends: 1027 [2020-09-21 12:32:02,391 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:32:02,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2020-09-21 12:32:02,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1023. [2020-09-21 12:32:02,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1023 states. [2020-09-21 12:32:02,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1279 transitions. [2020-09-21 12:32:02,431 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1279 transitions. Word has length 142 [2020-09-21 12:32:02,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:02,432 INFO L479 AbstractCegarLoop]: Abstraction has 1023 states and 1279 transitions. [2020-09-21 12:32:02,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:32:02,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1279 transitions. [2020-09-21 12:32:02,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-09-21 12:32:02,438 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:02,439 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:32:02,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:32:02,439 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:02,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:02,440 INFO L82 PathProgramCache]: Analyzing trace with hash 629511250, now seen corresponding path program 1 times [2020-09-21 12:32:02,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:02,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1561892125] [2020-09-21 12:32:02,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:02,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:02,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:03,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:03,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-09-21 12:32:03,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:32:03,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1021 [2020-09-21 12:32:03,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:03,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:03,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 12:32:03,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 12:32:03,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:03,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:03,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:03,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:03,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:03,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:03,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:32:03,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:03,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:03,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:03,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:03,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:03,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:03,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:03,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:03,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 12:32:03,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:03,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 12:32:03,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:03,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:03,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:03,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 12:32:03,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:03,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 12:32:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:03,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:03,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:03,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 12:32:03,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:03,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-21 12:32:03,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:03,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:03,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:32:03,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-21 12:32:03,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:03,882 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:32:03,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1561892125] [2020-09-21 12:32:03,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:03,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:32:03,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462419670] [2020-09-21 12:32:03,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:32:03,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:03,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:32:03,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:32:03,889 INFO L87 Difference]: Start difference. First operand 1023 states and 1279 transitions. Second operand 7 states. [2020-09-21 12:32:05,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:05,605 INFO L93 Difference]: Finished difference Result 2676 states and 3576 transitions. [2020-09-21 12:32:05,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:32:05,607 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 205 [2020-09-21 12:32:05,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:05,621 INFO L225 Difference]: With dead ends: 2676 [2020-09-21 12:32:05,621 INFO L226 Difference]: Without dead ends: 1659 [2020-09-21 12:32:05,625 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:32:05,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2020-09-21 12:32:05,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1627. [2020-09-21 12:32:05,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1627 states. [2020-09-21 12:32:05,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1627 states and 2041 transitions. [2020-09-21 12:32:05,724 INFO L78 Accepts]: Start accepts. Automaton has 1627 states and 2041 transitions. Word has length 205 [2020-09-21 12:32:05,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:05,726 INFO L479 AbstractCegarLoop]: Abstraction has 1627 states and 2041 transitions. [2020-09-21 12:32:05,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:32:05,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 2041 transitions. [2020-09-21 12:32:05,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-09-21 12:32:05,734 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:05,735 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:32:05,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:32:05,735 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:05,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:05,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1173404218, now seen corresponding path program 1 times [2020-09-21 12:32:05,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:05,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1439012460] [2020-09-21 12:32:05,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:05,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:05,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:06,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:06,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-21 12:32:06,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:32:06,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1026 [2020-09-21 12:32:06,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:06,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:06,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 12:32:06,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-21 12:32:06,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:06,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:06,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:06,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:06,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:06,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:06,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:32:06,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:06,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:06,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:06,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:06,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:06,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:06,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:06,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:06,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 12:32:06,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:06,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 12:32:06,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:06,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:06,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:06,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 12:32:06,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:07,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 12:32:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:07,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:07,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:07,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:32:07,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:07,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-09-21 12:32:07,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:32:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-21 12:32:07,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:07,263 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:32:07,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1439012460] [2020-09-21 12:32:07,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:07,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:32:07,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207437020] [2020-09-21 12:32:07,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:32:07,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:07,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:32:07,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:32:07,265 INFO L87 Difference]: Start difference. First operand 1627 states and 2041 transitions. Second operand 7 states. [2020-09-21 12:32:08,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:08,856 INFO L93 Difference]: Finished difference Result 3715 states and 4695 transitions. [2020-09-21 12:32:08,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:32:08,857 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 215 [2020-09-21 12:32:08,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:08,870 INFO L225 Difference]: With dead ends: 3715 [2020-09-21 12:32:08,870 INFO L226 Difference]: Without dead ends: 2094 [2020-09-21 12:32:08,874 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 12:32:08,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2094 states. [2020-09-21 12:32:08,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2094 to 1645. [2020-09-21 12:32:08,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1645 states. [2020-09-21 12:32:08,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 2022 transitions. [2020-09-21 12:32:08,926 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 2022 transitions. Word has length 215 [2020-09-21 12:32:08,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:08,926 INFO L479 AbstractCegarLoop]: Abstraction has 1645 states and 2022 transitions. [2020-09-21 12:32:08,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:32:08,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 2022 transitions. [2020-09-21 12:32:08,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-21 12:32:08,932 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:08,932 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 12:32:08,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:32:08,933 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:08,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:08,933 INFO L82 PathProgramCache]: Analyzing trace with hash -67063383, now seen corresponding path program 1 times [2020-09-21 12:32:08,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:08,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2024829570] [2020-09-21 12:32:08,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:08,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:09,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:09,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:09,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:09,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-09-21 12:32:09,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:32:09,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1027 [2020-09-21 12:32:09,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 172 [2020-09-21 12:32:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 12:32:09,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:10,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:10,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:10,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:10,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:10,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:10,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:32:10,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:10,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:10,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:10,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:10,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:10,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:10,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:10,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:10,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-21 12:32:10,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:10,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 12:32:10,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:10,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:10,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:10,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:10,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:10,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-21 12:32:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:10,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:10,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:10,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:32:10,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:10,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-21 12:32:10,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:10,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:10,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:10,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 12:32:10,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:10,483 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-09-21 12:32:10,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2024829570] [2020-09-21 12:32:10,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:10,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:32:10,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417481580] [2020-09-21 12:32:10,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:32:10,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:10,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:32:10,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:10,486 INFO L87 Difference]: Start difference. First operand 1645 states and 2022 transitions. Second operand 5 states. [2020-09-21 12:32:11,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:11,697 INFO L93 Difference]: Finished difference Result 3306 states and 4101 transitions. [2020-09-21 12:32:11,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:32:11,698 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 222 [2020-09-21 12:32:11,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:11,711 INFO L225 Difference]: With dead ends: 3306 [2020-09-21 12:32:11,711 INFO L226 Difference]: Without dead ends: 1651 [2020-09-21 12:32:11,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:32:11,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2020-09-21 12:32:11,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1643. [2020-09-21 12:32:11,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1643 states. [2020-09-21 12:32:11,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 2009 transitions. [2020-09-21 12:32:11,782 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 2009 transitions. Word has length 222 [2020-09-21 12:32:11,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:11,783 INFO L479 AbstractCegarLoop]: Abstraction has 1643 states and 2009 transitions. [2020-09-21 12:32:11,783 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:32:11,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 2009 transitions. [2020-09-21 12:32:11,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-09-21 12:32:11,788 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:11,789 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:32:11,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:32:11,790 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:11,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:11,791 INFO L82 PathProgramCache]: Analyzing trace with hash 6248194, now seen corresponding path program 1 times [2020-09-21 12:32:11,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:11,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427510116] [2020-09-21 12:32:11,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:11,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:12,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:12,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:12,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:12,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-09-21 12:32:12,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:32:12,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1034 [2020-09-21 12:32:12,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:12,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:12,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-09-21 12:32:12,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-21 12:32:12,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:12,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:12,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:12,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:12,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:12,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:12,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:32:12,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:12,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:12,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:12,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:12,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:12,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:13,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:13,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:13,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:32:13,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:13,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 12:32:13,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:13,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:13,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:13,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:13,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:13,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 12:32:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:13,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:13,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:13,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 12:32:13,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:13,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-21 12:32:13,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:13,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:13,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:13,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-21 12:32:13,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:13,254 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-09-21 12:32:13,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427510116] [2020-09-21 12:32:13,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:13,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 12:32:13,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560516861] [2020-09-21 12:32:13,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:32:13,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:13,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:32:13,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:32:13,258 INFO L87 Difference]: Start difference. First operand 1643 states and 2009 transitions. Second operand 6 states. [2020-09-21 12:32:15,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:15,089 INFO L93 Difference]: Finished difference Result 4297 states and 5351 transitions. [2020-09-21 12:32:15,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:32:15,090 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 227 [2020-09-21 12:32:15,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:15,090 INFO L225 Difference]: With dead ends: 4297 [2020-09-21 12:32:15,091 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:32:15,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:32:15,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:32:15,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:32:15,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:32:15,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:32:15,102 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2020-09-21 12:32:15,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:15,102 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:32:15,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:32:15,102 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:32:15,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:32:15,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:32:15,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:32:15,559 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2020-09-21 12:32:15,704 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2020-09-21 12:32:15,955 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 26 [2020-09-21 12:32:16,076 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:32:16,077 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-09-21 12:32:16,077 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:32:16,077 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-09-21 12:32:16,077 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,077 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,077 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,078 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,078 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,078 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,078 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-09-21 12:32:16,078 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-09-21 12:32:16,078 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 12:32:16,078 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-21 12:32:16,079 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 12:32:16,079 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-21 12:32:16,079 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-21 12:32:16,079 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-21 12:32:16,079 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-09-21 12:32:16,079 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-09-21 12:32:16,079 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-09-21 12:32:16,079 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,080 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,080 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,080 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,080 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,080 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-09-21 12:32:16,080 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-09-21 12:32:16,080 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-09-21 12:32:16,081 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-09-21 12:32:16,081 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 12:32:16,081 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 12:32:16,081 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-21 12:32:16,081 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-21 12:32:16,081 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-21 12:32:16,081 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-09-21 12:32:16,081 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-09-21 12:32:16,082 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-09-21 12:32:16,082 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-09-21 12:32:16,082 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2020-09-21 12:32:16,082 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-09-21 12:32:16,082 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,082 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,082 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,083 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,083 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,083 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-09-21 12:32:16,083 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 12:32:16,083 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-21 12:32:16,083 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-21 12:32:16,083 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-21 12:32:16,084 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-21 12:32:16,084 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-09-21 12:32:16,084 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-09-21 12:32:16,084 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-09-21 12:32:16,084 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-09-21 12:32:16,084 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,084 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,084 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,085 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,085 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,085 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-09-21 12:32:16,085 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-09-21 12:32:16,085 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-09-21 12:32:16,085 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-21 12:32:16,086 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-21 12:32:16,086 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-21 12:32:16,086 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-21 12:32:16,086 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-21 12:32:16,086 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-09-21 12:32:16,086 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-09-21 12:32:16,086 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-09-21 12:32:16,086 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-09-21 12:32:16,087 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-09-21 12:32:16,087 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,087 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,087 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,087 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,087 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,087 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-21 12:32:16,088 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-21 12:32:16,088 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 12:32:16,088 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 12:32:16,088 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-21 12:32:16,088 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-09-21 12:32:16,088 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-09-21 12:32:16,088 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-09-21 12:32:16,089 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-09-21 12:32:16,089 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,089 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,089 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,089 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,089 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,089 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,089 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,090 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-09-21 12:32:16,090 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-09-21 12:32:16,090 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-09-21 12:32:16,090 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-09-21 12:32:16,090 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 12:32:16,090 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-21 12:32:16,090 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 12:32:16,090 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 12:32:16,091 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-21 12:32:16,091 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-09-21 12:32:16,091 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-09-21 12:32:16,091 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-09-21 12:32:16,091 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-09-21 12:32:16,091 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,091 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,092 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,092 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,092 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-21 12:32:16,092 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,092 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,092 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-09-21 12:32:16,093 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-09-21 12:32:16,093 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-09-21 12:32:16,093 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-21 12:32:16,093 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-21 12:32:16,093 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-21 12:32:16,093 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 12:32:16,093 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-21 12:32:16,094 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-21 12:32:16,094 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-09-21 12:32:16,094 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-09-21 12:32:16,094 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-09-21 12:32:16,094 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-09-21 12:32:16,094 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,094 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,094 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,094 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,095 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,095 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,095 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-09-21 12:32:16,095 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-09-21 12:32:16,095 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-09-21 12:32:16,095 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-21 12:32:16,095 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 12:32:16,095 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-21 12:32:16,096 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 12:32:16,096 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-21 12:32:16,096 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-21 12:32:16,096 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-09-21 12:32:16,096 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-09-21 12:32:16,096 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (= 8 |old(~a19~0)|)) (or .cse0 (not (<= 2 |old(~a10~0)|))) (or .cse0 (not (= 0 |old(~a10~0)|))) (or (not (<= 331498 |old(~a1~0)|)) .cse0))) [2020-09-21 12:32:16,097 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-09-21 12:32:16,097 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-09-21 12:32:16,097 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-09-21 12:32:16,097 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,097 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,097 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,097 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,098 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,098 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,098 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-09-21 12:32:16,098 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 12:32:16,098 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 12:32:16,098 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 12:32:16,098 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-21 12:32:16,098 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-21 12:32:16,099 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-21 12:32:16,099 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-09-21 12:32:16,099 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-09-21 12:32:16,099 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-09-21 12:32:16,099 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-09-21 12:32:16,099 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-09-21 12:32:16,099 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-09-21 12:32:16,099 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,100 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,100 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,100 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,100 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,100 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,100 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-09-21 12:32:16,100 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-09-21 12:32:16,100 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-09-21 12:32:16,101 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-21 12:32:16,101 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 12:32:16,101 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 12:32:16,101 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-21 12:32:16,101 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-21 12:32:16,101 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-21 12:32:16,101 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-09-21 12:32:16,102 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-09-21 12:32:16,102 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-09-21 12:32:16,102 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,102 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,102 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,102 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,102 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,102 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:32:16,102 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-09-21 12:32:16,103 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-09-21 12:32:16,103 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-09-21 12:32:16,103 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-21 12:32:16,103 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-21 12:32:16,103 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 12:32:16,103 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-21 12:32:16,103 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-21 12:32:16,103 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-21 12:32:16,104 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-09-21 12:32:16,104 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-09-21 12:32:16,104 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-09-21 12:32:16,104 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:32:16,104 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9)) [2020-09-21 12:32:16,104 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:32:16,104 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:32:16,105 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 0 |old(~a10~0)|))) [2020-09-21 12:32:16,105 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-09-21 12:32:16,105 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (not (= ~a19~0 8)) (<= 331498 ~a1~0) (= ~a10~0 0) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (<= 2 ~a10~0)) [2020-09-21 12:32:16,105 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-09-21 12:32:16,105 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-09-21 12:32:16,105 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (not (= ~a19~0 8)) (<= 331498 ~a1~0) (= ~a10~0 0) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (<= 2 ~a10~0)) [2020-09-21 12:32:16,105 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-09-21 12:32:16,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:32:16 BoogieIcfgContainer [2020-09-21 12:32:16,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:32:16,140 INFO L168 Benchmark]: Toolchain (without parser) took 24206.71 ms. Allocated memory was 138.4 MB in the beginning and 553.6 MB in the end (delta: 415.2 MB). Free memory was 98.9 MB in the beginning and 289.0 MB in the end (delta: -190.2 MB). Peak memory consumption was 225.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:16,145 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:32:16,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 901.01 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 98.2 MB in the beginning and 168.3 MB in the end (delta: -70.2 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:16,148 INFO L168 Benchmark]: Boogie Preprocessor took 126.14 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 163.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:16,148 INFO L168 Benchmark]: RCFGBuilder took 1356.31 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 163.4 MB in the beginning and 178.7 MB in the end (delta: -15.3 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:16,152 INFO L168 Benchmark]: TraceAbstraction took 21808.30 ms. Allocated memory was 233.3 MB in the beginning and 553.6 MB in the end (delta: 320.3 MB). Free memory was 178.7 MB in the beginning and 289.0 MB in the end (delta: -110.4 MB). Peak memory consumption was 210.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:16,163 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 901.01 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 98.2 MB in the beginning and 168.3 MB in the end (delta: -70.2 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.14 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 163.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1356.31 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 163.4 MB in the beginning and 178.7 MB in the end (delta: -15.3 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21808.30 ms. Allocated memory was 233.3 MB in the beginning and 553.6 MB in the end (delta: 320.3 MB). Free memory was 178.7 MB in the beginning and 289.0 MB in the end (delta: -110.4 MB). Peak memory consumption was 210.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((!(a19 == 8) || 331498 <= a1) || a10 == 0) || !(9 == \old(a19))) || !(0 == \old(a10))) || 2 <= a10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.6s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 189 SDtfs, 2359 SDslu, 184 SDs, 0 SdLazy, 5746 SolverSat, 803 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1645occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 501 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 73 PreInvPairs, 113 NumberOfFragments, 162 HoareAnnotationTreeSize, 73 FomulaSimplifications, 11756 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1211 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 1207 NumberOfCodeBlocks, 1207 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1200 ConstructedInterpolants, 0 QuantifiedInterpolants, 518953 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 846/856 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...