/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:27:47,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:27:47,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:27:47,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:27:47,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:27:47,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:27:47,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:27:47,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:27:47,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:27:47,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:27:47,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:27:47,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:27:47,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:27:47,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:27:47,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:27:47,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:27:47,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:27:47,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:27:47,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:27:47,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:27:47,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:27:47,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:27:47,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:27:47,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:27:47,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:27:47,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:27:47,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:27:47,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:27:47,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:27:47,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:27:47,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:27:47,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:27:47,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:27:47,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:27:47,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:27:47,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:27:47,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:27:47,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:27:47,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:27:47,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:27:47,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:27:47,902 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:27:47,952 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:27:47,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:27:47,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:27:47,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:27:47,955 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:27:47,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:27:47,956 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:27:47,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:27:47,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:27:47,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:27:47,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:27:47,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:27:47,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:27:47,959 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:27:47,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:27:47,959 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:27:47,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:27:47,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:27:47,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:27:47,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:27:47,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:27:47,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:27:47,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:27:47,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:27:47,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:27:47,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:27:47,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:27:47,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:27:47,962 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:27:47,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:27:48,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:27:48,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:27:48,444 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:27:48,446 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:27:48,447 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:27:48,448 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-09-21 11:27:48,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f1eaa2e2b/ea788c3826094b5b872ba658c74426f6/FLAG58b63a297 [2020-09-21 11:27:49,217 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:27:49,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-09-21 11:27:49,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f1eaa2e2b/ea788c3826094b5b872ba658c74426f6/FLAG58b63a297 [2020-09-21 11:27:49,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f1eaa2e2b/ea788c3826094b5b872ba658c74426f6 [2020-09-21 11:27:49,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:27:49,474 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:27:49,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:27:49,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:27:49,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:27:49,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:27:49" (1/1) ... [2020-09-21 11:27:49,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5957f606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:49, skipping insertion in model container [2020-09-21 11:27:49,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:27:49" (1/1) ... [2020-09-21 11:27:49,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:27:49,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:27:50,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:27:50,155 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:27:50,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:27:50,314 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:27:50,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:50 WrapperNode [2020-09-21 11:27:50,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:27:50,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:27:50,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:27:50,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:27:50,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:50" (1/1) ... [2020-09-21 11:27:50,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:50" (1/1) ... [2020-09-21 11:27:50,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:50" (1/1) ... [2020-09-21 11:27:50,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:50" (1/1) ... [2020-09-21 11:27:50,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:50" (1/1) ... [2020-09-21 11:27:50,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:50" (1/1) ... [2020-09-21 11:27:50,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:50" (1/1) ... [2020-09-21 11:27:50,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:27:50,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:27:50,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:27:50,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:27:50,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:50" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:27:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:27:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:27:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:27:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:27:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:27:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:27:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:27:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:27:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:27:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:27:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:27:51,930 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:27:51,930 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:27:51,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:27:51 BoogieIcfgContainer [2020-09-21 11:27:51,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:27:51,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:27:51,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:27:51,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:27:51,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:27:49" (1/3) ... [2020-09-21 11:27:51,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6408a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:27:51, skipping insertion in model container [2020-09-21 11:27:51,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:50" (2/3) ... [2020-09-21 11:27:51,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6408a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:27:51, skipping insertion in model container [2020-09-21 11:27:51,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:27:51" (3/3) ... [2020-09-21 11:27:51,954 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2020-09-21 11:27:51,966 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:27:51,980 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:27:52,003 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:27:52,040 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:27:52,041 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:27:52,041 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:27:52,041 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:27:52,041 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:27:52,041 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:27:52,042 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:27:52,042 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:27:52,066 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-09-21 11:27:52,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-21 11:27:52,076 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:52,077 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] [2020-09-21 11:27:52,078 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:52,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:52,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1136502142, now seen corresponding path program 1 times [2020-09-21 11:27:52,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:52,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601017427] [2020-09-21 11:27:52,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:52,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:52,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:52,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:52,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:52,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:27:52,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:52,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-21 11:27:52,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:52,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:27:52,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:27:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:27:52,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:52,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:52,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:52,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:52,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:52,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:52,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:52,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:52,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:27:52,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:52,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:52,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:52,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:27:52,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:27:52,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601017427] [2020-09-21 11:27:52,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:27:52,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:27:52,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121338004] [2020-09-21 11:27:52,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:27:52,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:52,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:27:52,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:27:52,575 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-09-21 11:27:54,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:54,163 INFO L93 Difference]: Finished difference Result 596 states and 1022 transitions. [2020-09-21 11:27:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:27:54,166 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-09-21 11:27:54,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:54,218 INFO L225 Difference]: With dead ends: 596 [2020-09-21 11:27:54,219 INFO L226 Difference]: Without dead ends: 302 [2020-09-21 11:27:54,232 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 11:27:54,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-09-21 11:27:54,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-09-21 11:27:54,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-21 11:27:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2020-09-21 11:27:54,324 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 41 [2020-09-21 11:27:54,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:54,325 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2020-09-21 11:27:54,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:27:54,325 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2020-09-21 11:27:54,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-09-21 11:27:54,331 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:54,332 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:54,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:27:54,332 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:54,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:54,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1231039110, now seen corresponding path program 1 times [2020-09-21 11:27:54,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:54,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1603383477] [2020-09-21 11:27:54,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:54,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:54,471 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:54,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:54,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:54,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:27:54,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:54,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-21 11:27:54,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:54,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:27:54,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:27:54,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-21 11:27:54,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:54,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:54,577 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:54,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:54,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:54,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:54,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:54,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:54,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:27:54,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:54,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:54,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:54,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:27:54,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:54,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:54,630 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:54,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:54,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:54,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:54,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 11:27:54,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:54,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:27:54,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:54,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:54,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:54,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:27:54,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:54,701 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:27:54,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1603383477] [2020-09-21 11:27:54,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:54,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:27:54,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215557138] [2020-09-21 11:27:54,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:27:54,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:54,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:27:54,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:27:54,708 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 5 states. [2020-09-21 11:27:56,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:56,097 INFO L93 Difference]: Finished difference Result 594 states and 915 transitions. [2020-09-21 11:27:56,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:27:56,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2020-09-21 11:27:56,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:56,106 INFO L225 Difference]: With dead ends: 594 [2020-09-21 11:27:56,106 INFO L226 Difference]: Without dead ends: 592 [2020-09-21 11:27:56,108 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:27:56,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-09-21 11:27:56,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2020-09-21 11:27:56,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-09-21 11:27:56,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 899 transitions. [2020-09-21 11:27:56,160 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 899 transitions. Word has length 111 [2020-09-21 11:27:56,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:56,161 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 899 transitions. [2020-09-21 11:27:56,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:27:56,161 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 899 transitions. [2020-09-21 11:27:56,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-09-21 11:27:56,165 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:56,165 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:56,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:27:56,166 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:56,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:56,166 INFO L82 PathProgramCache]: Analyzing trace with hash 255519829, now seen corresponding path program 1 times [2020-09-21 11:27:56,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:56,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [772337577] [2020-09-21 11:27:56,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:56,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:56,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:56,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:56,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:56,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-21 11:27:56,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:56,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-21 11:27:56,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:56,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:27:56,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:27:56,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:27:56,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:56,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:56,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:56,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:56,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:56,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:56,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:56,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:56,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:27:56,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:27:56,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:56,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:56,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:56,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:56,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:56,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:56,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-21 11:27:56,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:56,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:27:56,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:56,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:56,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:56,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 11:27:56,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:27:56,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [772337577] [2020-09-21 11:27:56,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:27:56,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:27:56,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353237941] [2020-09-21 11:27:56,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:27:56,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:56,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:27:56,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:27:56,579 INFO L87 Difference]: Start difference. First operand 586 states and 899 transitions. Second operand 8 states. [2020-09-21 11:27:58,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:58,231 INFO L93 Difference]: Finished difference Result 1484 states and 2340 transitions. [2020-09-21 11:27:58,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:27:58,232 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 114 [2020-09-21 11:27:58,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:58,239 INFO L225 Difference]: With dead ends: 1484 [2020-09-21 11:27:58,240 INFO L226 Difference]: Without dead ends: 904 [2020-09-21 11:27:58,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:27:58,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2020-09-21 11:27:58,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 886. [2020-09-21 11:27:58,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2020-09-21 11:27:58,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1271 transitions. [2020-09-21 11:27:58,304 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1271 transitions. Word has length 114 [2020-09-21 11:27:58,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:58,304 INFO L479 AbstractCegarLoop]: Abstraction has 886 states and 1271 transitions. [2020-09-21 11:27:58,305 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:27:58,305 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1271 transitions. [2020-09-21 11:27:58,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-09-21 11:27:58,309 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:58,309 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:58,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:27:58,310 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:58,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:58,310 INFO L82 PathProgramCache]: Analyzing trace with hash 492950738, now seen corresponding path program 1 times [2020-09-21 11:27:58,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:58,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [625196853] [2020-09-21 11:27:58,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:58,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:58,393 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:58,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:58,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:58,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:27:58,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:58,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:27:58,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:58,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:27:58,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:27:58,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 11:27:58,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:58,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:58,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:58,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:58,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:58,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:58,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:58,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:58,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:27:58,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:58,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:58,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:58,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:27:58,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:58,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:58,616 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:58,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:58,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:58,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:58,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:27:58,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:58,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 11:27:58,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:58,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:58,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:58,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-21 11:27:58,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:58,749 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:27:58,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [625196853] [2020-09-21 11:27:58,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:27:58,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:27:58,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909145367] [2020-09-21 11:27:58,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:27:58,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:58,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:27:58,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:27:58,755 INFO L87 Difference]: Start difference. First operand 886 states and 1271 transitions. Second operand 8 states. [2020-09-21 11:28:01,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:01,271 INFO L93 Difference]: Finished difference Result 3115 states and 4632 transitions. [2020-09-21 11:28:01,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:28:01,272 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123 [2020-09-21 11:28:01,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:01,285 INFO L225 Difference]: With dead ends: 3115 [2020-09-21 11:28:01,286 INFO L226 Difference]: Without dead ends: 2235 [2020-09-21 11:28:01,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:28:01,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2235 states. [2020-09-21 11:28:01,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2235 to 1645. [2020-09-21 11:28:01,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1645 states. [2020-09-21 11:28:01,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 2277 transitions. [2020-09-21 11:28:01,373 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 2277 transitions. Word has length 123 [2020-09-21 11:28:01,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:01,374 INFO L479 AbstractCegarLoop]: Abstraction has 1645 states and 2277 transitions. [2020-09-21 11:28:01,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:28:01,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 2277 transitions. [2020-09-21 11:28:01,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-09-21 11:28:01,382 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:01,382 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:28:01,382 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:28:01,383 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:01,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:01,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1437439845, now seen corresponding path program 1 times [2020-09-21 11:28:01,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:01,384 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722398143] [2020-09-21 11:28:01,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:01,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:01,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:01,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:01,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:01,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-09-21 11:28:01,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:01,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 11:28:01,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:01,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:01,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:01,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-21 11:28:01,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:01,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:01,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:01,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:01,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:01,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:01,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:01,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:01,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:28:01,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:01,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:01,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:01,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:01,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:01,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:01,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:01,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:01,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:01,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:01,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-21 11:28:01,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:01,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 11:28:01,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:01,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:01,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:01,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 11:28:01,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:01,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-21 11:28:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:01,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:01,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:01,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:01,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:01,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:28:01,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:01,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:01,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:01,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:01,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 11:28:01,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:01,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:01,922 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 68 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-21 11:28:01,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [722398143] [2020-09-21 11:28:01,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:01,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:01,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840343933] [2020-09-21 11:28:01,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:01,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:01,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:01,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:01,934 INFO L87 Difference]: Start difference. First operand 1645 states and 2277 transitions. Second operand 7 states. [2020-09-21 11:28:03,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:03,388 INFO L93 Difference]: Finished difference Result 3449 states and 4774 transitions. [2020-09-21 11:28:03,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:28:03,389 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 210 [2020-09-21 11:28:03,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:03,399 INFO L225 Difference]: With dead ends: 3449 [2020-09-21 11:28:03,399 INFO L226 Difference]: Without dead ends: 1810 [2020-09-21 11:28:03,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:28:03,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2020-09-21 11:28:03,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1204. [2020-09-21 11:28:03,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2020-09-21 11:28:03,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1551 transitions. [2020-09-21 11:28:03,452 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1551 transitions. Word has length 210 [2020-09-21 11:28:03,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:03,453 INFO L479 AbstractCegarLoop]: Abstraction has 1204 states and 1551 transitions. [2020-09-21 11:28:03,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:03,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1551 transitions. [2020-09-21 11:28:03,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-21 11:28:03,457 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:03,457 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:03,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:28:03,458 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:03,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:03,458 INFO L82 PathProgramCache]: Analyzing trace with hash -99197547, now seen corresponding path program 1 times [2020-09-21 11:28:03,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:03,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [406421591] [2020-09-21 11:28:03,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:03,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:03,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:03,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:03,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:03,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-21 11:28:03,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:03,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:28:03,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:03,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:03,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 202 [2020-09-21 11:28:03,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:28:03,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:03,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:03,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:03,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:03,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:03,640 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:03,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:03,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:03,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:03,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:03,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:03,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:03,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:03,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:03,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:03,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:03,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:03,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:03,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:03,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 11:28:03,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:03,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:03,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:03,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:03,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:03,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:03,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:03,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:28:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:03,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:03,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:03,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:03,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:03,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-21 11:28:03,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:03,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:28:03,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:03,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:03,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:03,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-21 11:28:03,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:03,829 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-09-21 11:28:03,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [406421591] [2020-09-21 11:28:03,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:03,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:03,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26458285] [2020-09-21 11:28:03,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:03,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:03,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:03,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:03,832 INFO L87 Difference]: Start difference. First operand 1204 states and 1551 transitions. Second operand 5 states. [2020-09-21 11:28:05,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:05,481 INFO L93 Difference]: Finished difference Result 2696 states and 3523 transitions. [2020-09-21 11:28:05,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:05,483 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 230 [2020-09-21 11:28:05,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:05,490 INFO L225 Difference]: With dead ends: 2696 [2020-09-21 11:28:05,490 INFO L226 Difference]: Without dead ends: 1204 [2020-09-21 11:28:05,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:05,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2020-09-21 11:28:05,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1198. [2020-09-21 11:28:05,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1198 states. [2020-09-21 11:28:05,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1536 transitions. [2020-09-21 11:28:05,528 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1536 transitions. Word has length 230 [2020-09-21 11:28:05,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:05,531 INFO L479 AbstractCegarLoop]: Abstraction has 1198 states and 1536 transitions. [2020-09-21 11:28:05,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:05,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1536 transitions. [2020-09-21 11:28:05,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-09-21 11:28:05,535 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:05,536 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:05,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:28:05,536 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:05,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:05,537 INFO L82 PathProgramCache]: Analyzing trace with hash -492115494, now seen corresponding path program 1 times [2020-09-21 11:28:05,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:05,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1676071629] [2020-09-21 11:28:05,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:05,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:05,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:05,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:05,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:05,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-09-21 11:28:05,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:05,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:28:05,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:05,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:05,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 11:28:05,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-09-21 11:28:05,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:05,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:05,731 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:05,731 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:05,731 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:05,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:05,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:05,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:05,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:05,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:05,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:05,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:05,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:05,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:05,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:05,773 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:05,774 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:05,774 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:05,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:05,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 11:28:05,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:05,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:28:05,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:05,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:05,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:05,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:28:05,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:05,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:28:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:05,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:05,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:05,848 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:05,848 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:05,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:28:05,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:05,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:28:05,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:05,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:05,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:05,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-09-21 11:28:05,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:06,219 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:28:06,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1676071629] [2020-09-21 11:28:06,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:06,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:06,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048674684] [2020-09-21 11:28:06,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:06,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:06,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:06,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:06,222 INFO L87 Difference]: Start difference. First operand 1198 states and 1536 transitions. Second operand 7 states. [2020-09-21 11:28:07,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:07,781 INFO L93 Difference]: Finished difference Result 2563 states and 3379 transitions. [2020-09-21 11:28:07,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:28:07,781 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 247 [2020-09-21 11:28:07,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:07,789 INFO L225 Difference]: With dead ends: 2563 [2020-09-21 11:28:07,789 INFO L226 Difference]: Without dead ends: 1514 [2020-09-21 11:28:07,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:28:07,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2020-09-21 11:28:07,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1351. [2020-09-21 11:28:07,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2020-09-21 11:28:07,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1717 transitions. [2020-09-21 11:28:07,835 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1717 transitions. Word has length 247 [2020-09-21 11:28:07,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:07,836 INFO L479 AbstractCegarLoop]: Abstraction has 1351 states and 1717 transitions. [2020-09-21 11:28:07,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:07,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1717 transitions. [2020-09-21 11:28:07,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-09-21 11:28:07,842 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:07,842 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:07,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:28:07,843 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:07,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:07,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1410315322, now seen corresponding path program 1 times [2020-09-21 11:28:07,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:07,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1758963060] [2020-09-21 11:28:07,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:07,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:28:07,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -84 [2020-09-21 11:28:07,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 84 [2020-09-21 11:28:07,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:07,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-21 11:28:07,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:07,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:28:07,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:07,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:07,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-09-21 11:28:07,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:28:07,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:08,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:08,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:08,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:08,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:08,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:08,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:08,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:08,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:08,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:08,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:08,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:08,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:08,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:08,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:08,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:28:08,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:08,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:08,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:08,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:28:08,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:08,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:28:08,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:08,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:08,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:08,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 11:28:08,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:08,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 11:28:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:08,210 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:08,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:08,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:08,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:08,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-21 11:28:08,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:08,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:28:08,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:08,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:08,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:08,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-09-21 11:28:08,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:08,481 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:28:08,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1758963060] [2020-09-21 11:28:08,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:08,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:08,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660052845] [2020-09-21 11:28:08,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:08,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:08,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:08,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:08,485 INFO L87 Difference]: Start difference. First operand 1351 states and 1717 transitions. Second operand 7 states. [2020-09-21 11:28:10,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:10,330 INFO L93 Difference]: Finished difference Result 3164 states and 4099 transitions. [2020-09-21 11:28:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:28:10,331 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 261 [2020-09-21 11:28:10,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:10,340 INFO L225 Difference]: With dead ends: 3164 [2020-09-21 11:28:10,340 INFO L226 Difference]: Without dead ends: 1939 [2020-09-21 11:28:10,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:28:10,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2020-09-21 11:28:10,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1351. [2020-09-21 11:28:10,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2020-09-21 11:28:10,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1709 transitions. [2020-09-21 11:28:10,384 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1709 transitions. Word has length 261 [2020-09-21 11:28:10,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:10,385 INFO L479 AbstractCegarLoop]: Abstraction has 1351 states and 1709 transitions. [2020-09-21 11:28:10,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:10,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1709 transitions. [2020-09-21 11:28:10,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-09-21 11:28:10,391 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:10,391 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:10,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:28:10,392 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:10,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:10,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1300216242, now seen corresponding path program 1 times [2020-09-21 11:28:10,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:10,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [560228289] [2020-09-21 11:28:10,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:10,490 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:10,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:10,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:10,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:10,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-09-21 11:28:10,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:10,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:28:10,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 269 [2020-09-21 11:28:10,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:28:10,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:10,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:10,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:10,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:10,586 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:10,586 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:10,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:10,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:10,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:10,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:10,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:10,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:10,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:10,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:10,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:10,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:10,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:10,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:10,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:10,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-21 11:28:10,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:10,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:10,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:10,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:10,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:10,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:10,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:10,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 11:28:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:10,686 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:10,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:10,687 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:10,687 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:10,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-21 11:28:10,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:10,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:28:10,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:10,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:10,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:10,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-21 11:28:10,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:10,838 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-09-21 11:28:10,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [560228289] [2020-09-21 11:28:10,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:10,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:10,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576019887] [2020-09-21 11:28:10,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:10,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:10,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:10,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:10,847 INFO L87 Difference]: Start difference. First operand 1351 states and 1709 transitions. Second operand 5 states. [2020-09-21 11:28:12,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:12,174 INFO L93 Difference]: Finished difference Result 2559 states and 3277 transitions. [2020-09-21 11:28:12,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:12,174 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 297 [2020-09-21 11:28:12,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:12,181 INFO L225 Difference]: With dead ends: 2559 [2020-09-21 11:28:12,182 INFO L226 Difference]: Without dead ends: 1357 [2020-09-21 11:28:12,185 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:12,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2020-09-21 11:28:12,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 1202. [2020-09-21 11:28:12,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1202 states. [2020-09-21 11:28:12,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1444 transitions. [2020-09-21 11:28:12,216 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1444 transitions. Word has length 297 [2020-09-21 11:28:12,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:12,217 INFO L479 AbstractCegarLoop]: Abstraction has 1202 states and 1444 transitions. [2020-09-21 11:28:12,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:12,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1444 transitions. [2020-09-21 11:28:12,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-09-21 11:28:12,223 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:12,223 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:12,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:28:12,224 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:12,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:12,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1818758790, now seen corresponding path program 1 times [2020-09-21 11:28:12,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:12,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1583433799] [2020-09-21 11:28:12,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:12,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:28:12,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -120 [2020-09-21 11:28:12,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 120 [2020-09-21 11:28:12,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:12,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-09-21 11:28:12,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:12,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 11:28:12,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:12,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:12,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-09-21 11:28:12,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-21 11:28:12,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:12,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:12,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:12,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:12,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:12,412 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:12,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:12,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:12,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:12,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:12,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:12,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:12,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:12,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:12,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:12,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:28:12,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:12,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:12,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:12,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-21 11:28:12,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:12,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:28:12,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:12,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:12,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:12,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-21 11:28:12,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:12,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 11:28:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:12,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:12,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:12,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:12,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:12,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-21 11:28:12,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:12,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:28:12,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:12,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:12,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:12,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 11:28:12,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:12,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-21 11:28:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:12,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:12,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:12,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:12,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:12,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:28:12,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:12,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:12,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:12,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:12,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 11:28:12,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:12,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:12,841 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 190 proven. 81 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-09-21 11:28:12,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1583433799] [2020-09-21 11:28:12,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:12,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:12,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568232054] [2020-09-21 11:28:12,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:12,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:12,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:12,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:12,844 INFO L87 Difference]: Start difference. First operand 1202 states and 1444 transitions. Second operand 7 states. [2020-09-21 11:28:14,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:14,719 INFO L93 Difference]: Finished difference Result 2720 states and 3381 transitions. [2020-09-21 11:28:14,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:28:14,720 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 325 [2020-09-21 11:28:14,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:14,728 INFO L225 Difference]: With dead ends: 2720 [2020-09-21 11:28:14,728 INFO L226 Difference]: Without dead ends: 1667 [2020-09-21 11:28:14,731 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:28:14,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2020-09-21 11:28:14,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1657. [2020-09-21 11:28:14,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1657 states. [2020-09-21 11:28:14,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1657 states and 1974 transitions. [2020-09-21 11:28:14,771 INFO L78 Accepts]: Start accepts. Automaton has 1657 states and 1974 transitions. Word has length 325 [2020-09-21 11:28:14,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:14,772 INFO L479 AbstractCegarLoop]: Abstraction has 1657 states and 1974 transitions. [2020-09-21 11:28:14,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:14,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 1974 transitions. [2020-09-21 11:28:14,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-09-21 11:28:14,778 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:14,779 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:14,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:28:14,779 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:14,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:14,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1126690723, now seen corresponding path program 1 times [2020-09-21 11:28:14,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:14,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [281919029] [2020-09-21 11:28:14,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:14,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:28:14,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -120 [2020-09-21 11:28:14,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 120 [2020-09-21 11:28:14,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:14,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 341 [2020-09-21 11:28:14,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:14,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:28:14,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:14,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:14,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-09-21 11:28:14,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-09-21 11:28:14,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:14,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:14,976 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:14,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:14,977 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:14,977 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:14,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:14,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:14,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:14,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:14,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:14,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:14,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:14,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:14,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:15,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:15,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:15,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:15,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:15,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-21 11:28:15,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:15,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:28:15,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:15,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:15,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:15,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-21 11:28:15,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:15,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 11:28:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:15,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:15,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:15,096 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:15,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:15,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:28:15,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:15,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:28:15,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:15,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:15,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:15,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 11:28:15,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:15,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-21 11:28:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:15,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:15,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:15,187 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:15,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:15,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:28:15,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:15,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:15,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:15,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:15,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 11:28:15,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:15,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:15,337 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 191 proven. 81 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-09-21 11:28:15,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [281919029] [2020-09-21 11:28:15,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:15,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:15,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391632593] [2020-09-21 11:28:15,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:15,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:15,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:15,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:15,341 INFO L87 Difference]: Start difference. First operand 1657 states and 1974 transitions. Second operand 7 states. [2020-09-21 11:28:17,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:17,019 INFO L93 Difference]: Finished difference Result 3471 states and 4195 transitions. [2020-09-21 11:28:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:28:17,020 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 326 [2020-09-21 11:28:17,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:17,028 INFO L225 Difference]: With dead ends: 3471 [2020-09-21 11:28:17,028 INFO L226 Difference]: Without dead ends: 1963 [2020-09-21 11:28:17,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:28:17,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1963 states. [2020-09-21 11:28:17,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1963 to 1953. [2020-09-21 11:28:17,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1953 states. [2020-09-21 11:28:17,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1953 states and 2249 transitions. [2020-09-21 11:28:17,085 INFO L78 Accepts]: Start accepts. Automaton has 1953 states and 2249 transitions. Word has length 326 [2020-09-21 11:28:17,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:17,085 INFO L479 AbstractCegarLoop]: Abstraction has 1953 states and 2249 transitions. [2020-09-21 11:28:17,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:17,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2249 transitions. [2020-09-21 11:28:17,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2020-09-21 11:28:17,094 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:17,094 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:17,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:28:17,095 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:17,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:17,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1962894953, now seen corresponding path program 1 times [2020-09-21 11:28:17,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:17,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [357146792] [2020-09-21 11:28:17,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:17,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:17,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:17,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:17,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:17,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 359 [2020-09-21 11:28:17,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:17,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:28:17,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234 [2020-09-21 11:28:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-21 11:28:17,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:17,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:17,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:17,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:17,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:17,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:17,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:17,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:17,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:17,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:17,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:17,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:17,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:17,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:17,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:17,351 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:17,351 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:17,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:17,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:17,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-09-21 11:28:17,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:17,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:17,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:17,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:17,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:17,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:17,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:17,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-21 11:28:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:17,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:17,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:17,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:17,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:17,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-21 11:28:17,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:17,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:28:17,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:17,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:17,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:17,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-21 11:28:17,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:17,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-21 11:28:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:17,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:17,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:17,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:17,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:17,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:28:17,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:17,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:28:17,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-21 11:28:17,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:17,700 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 265 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-09-21 11:28:17,700 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [357146792] [2020-09-21 11:28:17,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:17,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:17,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061931645] [2020-09-21 11:28:17,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:17,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:17,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:17,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:17,702 INFO L87 Difference]: Start difference. First operand 1953 states and 2249 transitions. Second operand 7 states. [2020-09-21 11:28:19,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:19,710 INFO L93 Difference]: Finished difference Result 4647 states and 5486 transitions. [2020-09-21 11:28:19,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:28:19,711 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 344 [2020-09-21 11:28:19,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:19,724 INFO L225 Difference]: With dead ends: 4647 [2020-09-21 11:28:19,724 INFO L226 Difference]: Without dead ends: 2843 [2020-09-21 11:28:19,731 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:28:19,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2843 states. [2020-09-21 11:28:19,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2843 to 2686. [2020-09-21 11:28:19,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2686 states. [2020-09-21 11:28:19,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2686 states to 2686 states and 3091 transitions. [2020-09-21 11:28:19,802 INFO L78 Accepts]: Start accepts. Automaton has 2686 states and 3091 transitions. Word has length 344 [2020-09-21 11:28:19,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:19,803 INFO L479 AbstractCegarLoop]: Abstraction has 2686 states and 3091 transitions. [2020-09-21 11:28:19,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:19,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 3091 transitions. [2020-09-21 11:28:19,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-09-21 11:28:19,812 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:19,812 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:19,813 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 11:28:19,813 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:19,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:19,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1244677922, now seen corresponding path program 1 times [2020-09-21 11:28:19,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:19,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [46891014] [2020-09-21 11:28:19,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:19,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:19,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:19,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:19,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:19,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 368 [2020-09-21 11:28:19,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:19,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:28:19,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:19,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:19,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 327 [2020-09-21 11:28:19,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:28:19,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:20,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:20,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:20,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:20,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:20,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:20,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:20,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:20,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:20,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:20,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:20,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:20,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:20,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:20,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:20,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:20,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:20,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:20,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:20,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-09-21 11:28:20,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:20,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:20,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:20,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:20,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:20,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:20,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:20,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-21 11:28:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:20,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:20,242 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:20,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:20,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:20,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:28:20,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:20,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:20,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:20,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:20,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:20,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:20,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:20,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-09-21 11:28:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:20,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:20,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:20,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:20,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:20,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:28:20,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:20,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:28:20,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:20,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:20,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:20,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 11:28:20,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:20,415 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 105 proven. 3 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2020-09-21 11:28:20,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [46891014] [2020-09-21 11:28:20,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:20,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:20,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346479568] [2020-09-21 11:28:20,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:20,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:20,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:20,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:20,419 INFO L87 Difference]: Start difference. First operand 2686 states and 3091 transitions. Second operand 5 states. [2020-09-21 11:28:21,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:21,765 INFO L93 Difference]: Finished difference Result 5513 states and 6364 transitions. [2020-09-21 11:28:21,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:21,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 353 [2020-09-21 11:28:21,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:21,769 INFO L225 Difference]: With dead ends: 5513 [2020-09-21 11:28:21,769 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:28:21,778 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:21,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:28:21,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:28:21,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:28:21,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:28:21,780 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 353 [2020-09-21 11:28:21,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:21,780 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:28:21,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:21,780 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:28:21,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:28:21,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-21 11:28:21,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:28:23,044 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 119 [2020-09-21 11:28:23,309 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 119 [2020-09-21 11:28:24,313 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 49 [2020-09-21 11:28:24,973 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 64 [2020-09-21 11:28:25,618 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 64 [2020-09-21 11:28:25,623 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:28:25,624 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 11:28:25,624 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:28:25,624 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-09-21 11:28:25,624 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,624 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,625 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,625 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,625 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,625 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,625 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-09-21 11:28:25,625 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-09-21 11:28:25,626 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 11:28:25,626 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-21 11:28:25,626 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 11:28:25,626 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-21 11:28:25,626 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-21 11:28:25,626 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-21 11:28:25,626 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-09-21 11:28:25,626 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-09-21 11:28:25,627 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-09-21 11:28:25,627 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,627 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,627 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,627 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,627 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,627 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-09-21 11:28:25,627 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-09-21 11:28:25,627 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-09-21 11:28:25,628 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-09-21 11:28:25,628 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 11:28:25,628 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 11:28:25,628 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-21 11:28:25,628 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-21 11:28:25,628 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-21 11:28:25,628 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-09-21 11:28:25,628 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-09-21 11:28:25,628 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-09-21 11:28:25,628 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-09-21 11:28:25,628 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2020-09-21 11:28:25,629 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-09-21 11:28:25,629 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,629 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,629 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,629 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,629 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,629 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-09-21 11:28:25,629 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 11:28:25,629 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-21 11:28:25,629 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-21 11:28:25,630 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-21 11:28:25,630 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-21 11:28:25,630 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-09-21 11:28:25,630 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-09-21 11:28:25,630 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-09-21 11:28:25,630 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-09-21 11:28:25,630 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,630 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,630 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,632 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,632 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,632 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-09-21 11:28:25,632 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-09-21 11:28:25,632 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-09-21 11:28:25,632 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-21 11:28:25,632 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-21 11:28:25,632 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-21 11:28:25,633 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-21 11:28:25,633 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-21 11:28:25,633 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-09-21 11:28:25,633 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-09-21 11:28:25,633 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-09-21 11:28:25,633 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-09-21 11:28:25,633 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-09-21 11:28:25,633 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,633 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,633 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,634 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,634 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,634 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-21 11:28:25,634 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-21 11:28:25,634 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 11:28:25,634 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 11:28:25,634 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-21 11:28:25,634 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-09-21 11:28:25,634 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-09-21 11:28:25,635 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-09-21 11:28:25,635 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-09-21 11:28:25,635 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,635 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,635 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,635 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,635 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,636 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,636 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,636 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-09-21 11:28:25,636 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-09-21 11:28:25,636 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-09-21 11:28:25,636 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-09-21 11:28:25,636 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 11:28:25,636 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-21 11:28:25,637 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 11:28:25,637 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 11:28:25,637 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-21 11:28:25,637 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-09-21 11:28:25,637 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-09-21 11:28:25,637 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-09-21 11:28:25,637 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-09-21 11:28:25,637 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,637 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,638 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,638 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,638 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-21 11:28:25,638 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,638 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,638 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-09-21 11:28:25,638 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-09-21 11:28:25,638 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-09-21 11:28:25,638 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-21 11:28:25,639 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-21 11:28:25,639 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-21 11:28:25,639 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 11:28:25,639 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-21 11:28:25,639 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-21 11:28:25,639 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-09-21 11:28:25,639 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-09-21 11:28:25,639 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-09-21 11:28:25,639 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-09-21 11:28:25,639 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,639 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,639 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,639 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,639 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,640 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,640 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-09-21 11:28:25,640 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-09-21 11:28:25,640 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-09-21 11:28:25,640 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-21 11:28:25,640 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 11:28:25,640 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-21 11:28:25,640 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 11:28:25,640 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-21 11:28:25,640 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-21 11:28:25,640 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-09-21 11:28:25,640 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-09-21 11:28:25,641 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (not (<= 9 |old(~a19~0)|))) (.cse1 (not (<= |old(~a10~0)| 1))) (.cse3 (not (<= |old(~a19~0)| 9))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (not (= 7 |old(~a19~0)|)) .cse1) (or .cse0 (and (or .cse2 .cse3) (or (not (<= 23 |old(~a1~0)|)) .cse3))) (or .cse0 .cse3 (not (= 2 |old(~a10~0)|))) (or .cse2 .cse0 .cse1) (or (not (<= |old(~a10~0)| 0)) .cse0) (or .cse0 .cse3 (not (= 4 |old(~a10~0)|))) (or (not (= 6 |old(~a19~0)|)) .cse0))) [2020-09-21 11:28:25,641 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-09-21 11:28:25,641 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-09-21 11:28:25,641 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-09-21 11:28:25,641 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,641 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,642 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,642 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,642 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,642 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,642 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-09-21 11:28:25,642 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 11:28:25,642 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 11:28:25,642 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 11:28:25,643 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-21 11:28:25,643 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-21 11:28:25,643 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-21 11:28:25,643 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-09-21 11:28:25,643 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-09-21 11:28:25,643 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-09-21 11:28:25,643 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-09-21 11:28:25,643 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-09-21 11:28:25,644 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-09-21 11:28:25,644 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,644 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,644 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,644 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,644 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,644 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,644 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-09-21 11:28:25,645 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-09-21 11:28:25,645 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-09-21 11:28:25,645 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-21 11:28:25,645 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 11:28:25,645 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 11:28:25,645 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-21 11:28:25,645 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-21 11:28:25,645 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-21 11:28:25,646 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-09-21 11:28:25,646 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-09-21 11:28:25,646 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-09-21 11:28:25,646 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,646 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,646 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,646 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,646 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,646 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:25,646 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-09-21 11:28:25,647 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-09-21 11:28:25,647 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-09-21 11:28:25,647 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-21 11:28:25,647 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-21 11:28:25,647 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 11:28:25,647 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-21 11:28:25,647 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-21 11:28:25,647 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-21 11:28:25,648 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-09-21 11:28:25,648 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-09-21 11:28:25,648 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-09-21 11:28:25,648 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:28:25,648 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-09-21 11:28:25,648 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:28:25,648 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:28:25,648 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|))) [2020-09-21 11:28:25,649 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-09-21 11:28:25,649 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (<= ~a10~0 1)) (.cse0 (or (<= (+ |old(~a1~0)| 13) 0) (= 0 |old(~a10~0)|))) (.cse4 (<= 23 ~a1~0)) (.cse1 (<= 9 ~a19~0)) (.cse3 (<= ~a19~0 9))) (or (and .cse0 .cse1 .cse2) (and .cse0 (= 7 ~a19~0) .cse2) (and (= ~a19~0 8) (<= 331498 ~a1~0) (= ~a10~0 1) (= 14 ~a4~0) (= ~a12~0 0)) (and .cse0 (= ~a10~0 2) .cse3) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse4 (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (and .cse0 .cse3 (= ~a10~0 4)) (not (<= |old(~a19~0)| 9)) (and .cse0 (<= ~a10~0 0)) (= ~a19~0 6) (and .cse0 (or (and .cse4 .cse3) (and .cse1 .cse3))))) [2020-09-21 11:28:25,649 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-09-21 11:28:25,649 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-09-21 11:28:25,649 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse2 (<= ~a10~0 1)) (.cse0 (or (<= (+ |old(~a1~0)| 13) 0) (= 0 |old(~a10~0)|))) (.cse4 (<= 23 ~a1~0)) (.cse1 (<= 9 ~a19~0)) (.cse3 (<= ~a19~0 9))) (or (and .cse0 .cse1 .cse2) (and .cse0 (= 7 ~a19~0) .cse2) (and (= ~a19~0 8) (<= 331498 ~a1~0) (= ~a10~0 1) (= 14 ~a4~0) (= ~a12~0 0)) (and .cse0 (= ~a10~0 2) .cse3) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse4 (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (and .cse0 .cse3 (= ~a10~0 4)) (not (<= |old(~a19~0)| 9)) (and .cse0 (<= ~a10~0 0)) (= ~a19~0 6) (and .cse0 (or (and .cse4 .cse3) (and .cse1 .cse3))))) [2020-09-21 11:28:25,649 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-09-21 11:28:25,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:28:25 BoogieIcfgContainer [2020-09-21 11:28:25,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:28:25,679 INFO L168 Benchmark]: Toolchain (without parser) took 36208.63 ms. Allocated memory was 148.9 MB in the beginning and 665.3 MB in the end (delta: 516.4 MB). Free memory was 103.8 MB in the beginning and 289.5 MB in the end (delta: -185.7 MB). Peak memory consumption was 476.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:25,680 INFO L168 Benchmark]: CDTParser took 0.92 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:28:25,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 839.60 ms. Allocated memory was 148.9 MB in the beginning and 207.6 MB in the end (delta: 58.7 MB). Free memory was 103.1 MB in the beginning and 173.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:25,681 INFO L168 Benchmark]: Boogie Preprocessor took 146.53 ms. Allocated memory is still 207.6 MB. Free memory was 173.2 MB in the beginning and 168.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:25,682 INFO L168 Benchmark]: RCFGBuilder took 1479.83 ms. Allocated memory was 207.6 MB in the beginning and 237.0 MB in the end (delta: 29.4 MB). Free memory was 168.4 MB in the beginning and 175.5 MB in the end (delta: -7.1 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:25,683 INFO L168 Benchmark]: TraceAbstraction took 33733.61 ms. Allocated memory was 237.0 MB in the beginning and 665.3 MB in the end (delta: 428.3 MB). Free memory was 175.5 MB in the beginning and 289.5 MB in the end (delta: -114.0 MB). Peak memory consumption was 460.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:25,686 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 839.60 ms. Allocated memory was 148.9 MB in the beginning and 207.6 MB in the end (delta: 58.7 MB). Free memory was 103.1 MB in the beginning and 173.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 146.53 ms. Allocated memory is still 207.6 MB. Free memory was 173.2 MB in the beginning and 168.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1479.83 ms. Allocated memory was 207.6 MB in the beginning and 237.0 MB in the end (delta: 29.4 MB). Free memory was 168.4 MB in the beginning and 175.5 MB in the end (delta: -7.1 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 33733.61 ms. Allocated memory was 237.0 MB in the beginning and 665.3 MB in the end (delta: 428.3 MB). Free memory was 175.5 MB in the beginning and 289.5 MB in the end (delta: -114.0 MB). Peak memory consumption was 460.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 109]: 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: (((((((((((((((\old(a1) + 13 <= 0 || 0 == \old(a10)) && 9 <= a19) && a10 <= 1) || (((\old(a1) + 13 <= 0 || 0 == \old(a10)) && 7 == a19) && a10 <= 1)) || ((((a19 == 8 && 331498 <= a1) && a10 == 1) && 14 == a4) && a12 == 0)) || (((\old(a1) + 13 <= 0 || 0 == \old(a10)) && a10 == 2) && a19 <= 9)) || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && a10 == \old(a10))) || !(\old(a1) <= 23)) || (((\old(a1) + 13 <= 0 || 0 == \old(a10)) && a19 <= 9) && a10 == 4)) || !(\old(a19) <= 9)) || ((\old(a1) + 13 <= 0 || 0 == \old(a10)) && a10 <= 0)) || a19 == 6) || ((\old(a1) + 13 <= 0 || 0 == \old(a10)) && ((23 <= a1 && a19 <= 9) || (9 <= a19 && a19 <= 9))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.7s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 22.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 344 SDtfs, 5432 SDslu, 421 SDs, 0 SdLazy, 11427 SolverSat, 1631 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 203 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2686occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 2315 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 128 PreInvPairs, 176 NumberOfFragments, 532 HoareAnnotationTreeSize, 128 FomulaSimplifications, 56172 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9665 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 2982 NumberOfCodeBlocks, 2982 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2969 ConstructedInterpolants, 0 QuantifiedInterpolants, 1700769 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 2027/2280 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...