/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/Problem14_label24.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:28:17,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:28:17,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:28:17,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:28:17,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:28:17,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:28:17,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:28:17,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:28:17,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:28:17,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:28:17,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:28:17,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:28:17,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:28:17,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:28:17,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:28:17,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:28:17,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:28:17,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:28:17,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:28:17,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:28:17,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:28:17,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:28:17,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:28:17,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:28:17,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:28:17,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:28:17,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:28:17,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:28:17,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:28:17,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:28:17,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:28:17,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:28:17,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:28:17,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:28:17,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:28:17,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:28:17,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:28:17,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:28:17,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:28:17,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:28:17,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:28:17,336 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 11:28:17,394 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:28:17,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:28:17,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:28:17,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:28:17,398 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:28:17,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:28:17,399 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:28:17,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:28:17,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:28:17,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:28:17,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:28:17,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:28:17,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:28:17,400 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:28:17,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:28:17,400 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:28:17,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:28:17,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:28:17,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:28:17,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:28:17,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:28:17,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:28:17,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:28:17,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:28:17,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:28:17,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:28:17,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:28:17,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:28:17,404 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:28:17,405 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 11:28:17,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:28:17,871 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:28:17,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:28:17,877 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:28:17,878 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:28:17,879 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label24.c [2020-09-21 11:28:17,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/48b767c20/c43bd08c008f47a1b6ead162597c8273/FLAG5fcc8f341 [2020-09-21 11:28:18,699 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:28:18,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label24.c [2020-09-21 11:28:18,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/48b767c20/c43bd08c008f47a1b6ead162597c8273/FLAG5fcc8f341 [2020-09-21 11:28:18,886 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/48b767c20/c43bd08c008f47a1b6ead162597c8273 [2020-09-21 11:28:18,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:28:18,910 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:28:18,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:28:18,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:28:18,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:28:18,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:28:18" (1/1) ... [2020-09-21 11:28:18,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62502cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:18, skipping insertion in model container [2020-09-21 11:28:18,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:28:18" (1/1) ... [2020-09-21 11:28:18,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:28:19,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:28:19,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:28:19,695 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:28:19,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:28:19,857 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:28:19,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:19 WrapperNode [2020-09-21 11:28:19,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:28:19,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:28:19,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:28:19,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:28:19,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:19" (1/1) ... [2020-09-21 11:28:19,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:19" (1/1) ... [2020-09-21 11:28:19,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:19" (1/1) ... [2020-09-21 11:28:19,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:19" (1/1) ... [2020-09-21 11:28:19,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:19" (1/1) ... [2020-09-21 11:28:19,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:19" (1/1) ... [2020-09-21 11:28:19,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:19" (1/1) ... [2020-09-21 11:28:20,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:28:20,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:28:20,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:28:20,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:28:20,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:19" (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 11:28:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:28:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:28:20,135 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:28:20,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:28:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:28:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:28:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:28:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:28:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:28:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:28:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:28:21,918 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:28:21,919 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:28:21,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:28:21 BoogieIcfgContainer [2020-09-21 11:28:21,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:28:21,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:28:21,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:28:21,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:28:21,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:28:18" (1/3) ... [2020-09-21 11:28:21,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f54828e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:28:21, skipping insertion in model container [2020-09-21 11:28:21,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:19" (2/3) ... [2020-09-21 11:28:21,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f54828e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:28:21, skipping insertion in model container [2020-09-21 11:28:21,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:28:21" (3/3) ... [2020-09-21 11:28:21,936 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label24.c [2020-09-21 11:28:21,948 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:28:21,958 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:28:21,979 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:28:22,012 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:28:22,012 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:28:22,013 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:28:22,013 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:28:22,013 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:28:22,013 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:28:22,013 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:28:22,013 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:28:22,040 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-09-21 11:28:22,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:28:22,050 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:22,052 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:22,052 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:22,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:22,059 INFO L82 PathProgramCache]: Analyzing trace with hash 2116109586, now seen corresponding path program 1 times [2020-09-21 11:28:22,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:22,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [811799745] [2020-09-21 11:28:22,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:22,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:22,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:22,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:22,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:22,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-21 11:28:22,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:22,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-21 11:28:22,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:22,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:22,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:22,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:28:22,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:22,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:22,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:22,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:22,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:22,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:22,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:22,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:22,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:28:22,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:22,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:22,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:22,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:22,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:22,580 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 11:28:22,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [811799745] [2020-09-21 11:28:22,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:28:22,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:28:22,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170003995] [2020-09-21 11:28:22,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:22,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:22,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:22,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:22,622 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-09-21 11:28:25,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:25,728 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2020-09-21 11:28:25,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:28:25,730 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-09-21 11:28:25,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:25,764 INFO L225 Difference]: With dead ends: 886 [2020-09-21 11:28:25,764 INFO L226 Difference]: Without dead ends: 564 [2020-09-21 11:28:25,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:25,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-09-21 11:28:25,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-09-21 11:28:25,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-09-21 11:28:25,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2020-09-21 11:28:25,878 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 47 [2020-09-21 11:28:25,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:25,879 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2020-09-21 11:28:25,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:25,879 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2020-09-21 11:28:25,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-09-21 11:28:25,886 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:25,887 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:28:25,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:28:25,887 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:25,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:25,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1939521290, now seen corresponding path program 1 times [2020-09-21 11:28:25,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:25,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2113088571] [2020-09-21 11:28:25,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:26,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:26,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:26,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:26,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:26,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-21 11:28:26,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:26,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-09-21 11:28:26,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:26,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:26,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:26,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-21 11:28:26,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:26,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:26,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:26,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:26,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:26,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:26,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:26,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:26,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:28:26,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:26,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:26,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:26,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:26,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:26,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:26,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:26,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:26,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:26,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:26,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:28:26,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:26,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 11:28:26,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:26,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:26,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:26,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 11:28:26,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:26,467 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:28:26,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2113088571] [2020-09-21 11:28:26,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:28:26,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:28:26,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376881798] [2020-09-21 11:28:26,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:28:26,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:26,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:28:26,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:28:26,473 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand 8 states. [2020-09-21 11:28:28,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:28,863 INFO L93 Difference]: Finished difference Result 1320 states and 2174 transitions. [2020-09-21 11:28:28,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:28:28,864 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-09-21 11:28:28,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:28,871 INFO L225 Difference]: With dead ends: 1320 [2020-09-21 11:28:28,872 INFO L226 Difference]: Without dead ends: 768 [2020-09-21 11:28:28,874 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 11:28:28,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-09-21 11:28:28,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 566. [2020-09-21 11:28:28,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-09-21 11:28:28,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 819 transitions. [2020-09-21 11:28:28,913 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 819 transitions. Word has length 121 [2020-09-21 11:28:28,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:28,913 INFO L479 AbstractCegarLoop]: Abstraction has 566 states and 819 transitions. [2020-09-21 11:28:28,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:28:28,914 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 819 transitions. [2020-09-21 11:28:28,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-09-21 11:28:28,920 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:28,920 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:28:28,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:28:28,921 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:28,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:28,921 INFO L82 PathProgramCache]: Analyzing trace with hash -2114473467, now seen corresponding path program 1 times [2020-09-21 11:28:28,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:28,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352495048] [2020-09-21 11:28:28,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:29,018 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:29,018 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:29,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:29,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:29,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-21 11:28:29,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:29,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 11:28:29,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:29,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:29,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:29,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 11:28:29,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:29,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:29,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:29,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:29,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:29,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:29,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:29,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:29,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:28:29,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:29,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:29,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:29,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:29,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:29,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:29,202 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:29,202 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:29,203 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:29,203 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:29,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:28:29,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:29,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:28:29,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:29,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:29,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:29,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-21 11:28:29,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:29,389 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:28:29,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352495048] [2020-09-21 11:28:29,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:28:29,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:28:29,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465767042] [2020-09-21 11:28:29,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:28:29,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:29,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:28:29,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:28:29,393 INFO L87 Difference]: Start difference. First operand 566 states and 819 transitions. Second operand 8 states. [2020-09-21 11:28:31,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:31,691 INFO L93 Difference]: Finished difference Result 1328 states and 1915 transitions. [2020-09-21 11:28:31,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:28:31,692 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 130 [2020-09-21 11:28:31,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:31,697 INFO L225 Difference]: With dead ends: 1328 [2020-09-21 11:28:31,697 INFO L226 Difference]: Without dead ends: 768 [2020-09-21 11:28:31,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:28:31,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-09-21 11:28:31,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 754. [2020-09-21 11:28:31,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-09-21 11:28:31,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1023 transitions. [2020-09-21 11:28:31,727 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1023 transitions. Word has length 130 [2020-09-21 11:28:31,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:31,728 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 1023 transitions. [2020-09-21 11:28:31,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:28:31,728 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1023 transitions. [2020-09-21 11:28:31,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-09-21 11:28:31,735 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:31,736 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:28:31,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:28:31,736 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:31,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:31,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1539058259, now seen corresponding path program 1 times [2020-09-21 11:28:31,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:31,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1141018642] [2020-09-21 11:28:31,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:31,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:31,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:31,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:31,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:31,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-09-21 11:28:31,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:31,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 11:28:31,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:31,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:31,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-21 11:28:31,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-21 11:28:31,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:31,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:31,974 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:31,974 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:31,974 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:31,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:31,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:31,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:31,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:31,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:31,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:31,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:31,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:31,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:31,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:31,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:31,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:31,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:31,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:31,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 11:28:31,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:31,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:31,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:31,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:31,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:31,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:31,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:32,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 11:28:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:32,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:32,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:32,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:32,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:32,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:28:32,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:32,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:28:32,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:32,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:32,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:32,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:28:32,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:32,112 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-09-21 11:28:32,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1141018642] [2020-09-21 11:28:32,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:32,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:32,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518875253] [2020-09-21 11:28:32,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:32,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:32,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:32,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:32,115 INFO L87 Difference]: Start difference. First operand 754 states and 1023 transitions. Second operand 5 states. [2020-09-21 11:28:34,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:34,205 INFO L93 Difference]: Finished difference Result 2246 states and 3089 transitions. [2020-09-21 11:28:34,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:34,206 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 214 [2020-09-21 11:28:34,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:34,216 INFO L225 Difference]: With dead ends: 2246 [2020-09-21 11:28:34,217 INFO L226 Difference]: Without dead ends: 1498 [2020-09-21 11:28:34,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:34,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2020-09-21 11:28:34,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1310. [2020-09-21 11:28:34,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1310 states. [2020-09-21 11:28:34,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 1681 transitions. [2020-09-21 11:28:34,282 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 1681 transitions. Word has length 214 [2020-09-21 11:28:34,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:34,285 INFO L479 AbstractCegarLoop]: Abstraction has 1310 states and 1681 transitions. [2020-09-21 11:28:34,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:34,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1681 transitions. [2020-09-21 11:28:34,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-09-21 11:28:34,299 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:34,300 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, 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, 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] [2020-09-21 11:28:34,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:28:34,301 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:34,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:34,301 INFO L82 PathProgramCache]: Analyzing trace with hash -266552290, now seen corresponding path program 1 times [2020-09-21 11:28:34,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:34,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697291584] [2020-09-21 11:28:34,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:34,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:28:34,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -89 [2020-09-21 11:28:34,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 89 [2020-09-21 11:28:34,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:34,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 332 [2020-09-21 11:28:34,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:34,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:28:34,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:34,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:34,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-09-21 11:28:34,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 11:28:34,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:34,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:34,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:34,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:34,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:34,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:34,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:34,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:34,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:34,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:34,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:34,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:34,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:34,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:28:34,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:34,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:34,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:34,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:34,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:34,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 11:28:34,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:34,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:28:34,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:28:34,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:34,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 11:28:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:34,740 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:34,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:34,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:34,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:34,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:28:34,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:34,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:28:34,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:34,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:34,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:34,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-21 11:28:34,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:35,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-21 11:28:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:35,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:35,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:35,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:35,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:35,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:28:35,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:35,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:35,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:35,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:35,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-09-21 11:28:35,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:35,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:35,467 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 205 proven. 73 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-09-21 11:28:35,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697291584] [2020-09-21 11:28:35,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:35,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:35,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126780545] [2020-09-21 11:28:35,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:35,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:35,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:35,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:35,471 INFO L87 Difference]: Start difference. First operand 1310 states and 1681 transitions. Second operand 7 states. [2020-09-21 11:28:37,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:37,345 INFO L93 Difference]: Finished difference Result 2691 states and 3468 transitions. [2020-09-21 11:28:37,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:28:37,346 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 317 [2020-09-21 11:28:37,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:37,353 INFO L225 Difference]: With dead ends: 2691 [2020-09-21 11:28:37,353 INFO L226 Difference]: Without dead ends: 1344 [2020-09-21 11:28:37,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:28:37,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2020-09-21 11:28:37,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1310. [2020-09-21 11:28:37,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1310 states. [2020-09-21 11:28:37,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 1486 transitions. [2020-09-21 11:28:37,407 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 1486 transitions. Word has length 317 [2020-09-21 11:28:37,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:37,407 INFO L479 AbstractCegarLoop]: Abstraction has 1310 states and 1486 transitions. [2020-09-21 11:28:37,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:37,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1486 transitions. [2020-09-21 11:28:37,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-09-21 11:28:37,415 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:37,415 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:28:37,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:28:37,416 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:37,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:37,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1074149043, now seen corresponding path program 1 times [2020-09-21 11:28:37,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:37,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1519151716] [2020-09-21 11:28:37,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:37,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:28:37,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:37,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:37,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:37,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 357 [2020-09-21 11:28:37,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:37,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-21 11:28:37,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:37,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:37,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234 [2020-09-21 11:28:37,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 11:28:37,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:37,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:37,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:37,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:37,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:37,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:37,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:37,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:37,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:37,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:37,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:37,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:37,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:37,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:37,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:37,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:37,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:37,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:37,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:37,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:28:37,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:37,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:37,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:37,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:28:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:37,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:37,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:37,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:37,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:37,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:28:37,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:37,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:28:37,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:37,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:37,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:37,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-09-21 11:28:37,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:38,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-21 11:28:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:38,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:28:38,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:38,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:38,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:38,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:28:38,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:38,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 11:28:38,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:38,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:38,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:38,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 11:28:38,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:38,412 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 267 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-09-21 11:28:38,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1519151716] [2020-09-21 11:28:38,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:38,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:38,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174114340] [2020-09-21 11:28:38,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:38,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:38,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:38,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:38,418 INFO L87 Difference]: Start difference. First operand 1310 states and 1486 transitions. Second operand 7 states. [2020-09-21 11:28:40,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:40,137 INFO L93 Difference]: Finished difference Result 3000 states and 3472 transitions. [2020-09-21 11:28:40,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:28:40,138 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 342 [2020-09-21 11:28:40,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:40,176 INFO L225 Difference]: With dead ends: 3000 [2020-09-21 11:28:40,177 INFO L226 Difference]: Without dead ends: 1696 [2020-09-21 11:28:40,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:28:40,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2020-09-21 11:28:40,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1686. [2020-09-21 11:28:40,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1686 states. [2020-09-21 11:28:40,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1686 states and 1893 transitions. [2020-09-21 11:28:40,237 INFO L78 Accepts]: Start accepts. Automaton has 1686 states and 1893 transitions. Word has length 342 [2020-09-21 11:28:40,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:40,238 INFO L479 AbstractCegarLoop]: Abstraction has 1686 states and 1893 transitions. [2020-09-21 11:28:40,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 1893 transitions. [2020-09-21 11:28:40,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-09-21 11:28:40,246 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:40,246 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:40,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:28:40,247 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:40,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:40,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1716498031, now seen corresponding path program 1 times [2020-09-21 11:28:40,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:40,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [126392010] [2020-09-21 11:28:40,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:40,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 7 [2020-09-21 11:28:40,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -208 [2020-09-21 11:28:40,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 208 [2020-09-21 11:28:40,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:40,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 375 [2020-09-21 11:28:40,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:40,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-21 11:28:40,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:40,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:40,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 328 [2020-09-21 11:28:40,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-21 11:28:40,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:40,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:40,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:40,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:40,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:40,551 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:40,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:40,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:40,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:40,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:40,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:40,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:40,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:40,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:40,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:40,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:40,580 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:40,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:40,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:40,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:40,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:40,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:40,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:40,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:40,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:40,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:40,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:40,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:28:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:40,635 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:40,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:40,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:40,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:40,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-21 11:28:40,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:40,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:40,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:40,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:40,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:40,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-09-21 11:28:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:40,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:40,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:40,723 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:40,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:40,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:28:40,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:40,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:28:40,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:40,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:40,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:40,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-21 11:28:40,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:28:40,848 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 123 proven. 3 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2020-09-21 11:28:40,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [126392010] [2020-09-21 11:28:40,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:40,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:40,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866547135] [2020-09-21 11:28:40,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:40,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:40,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:40,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:40,852 INFO L87 Difference]: Start difference. First operand 1686 states and 1893 transitions. Second operand 5 states. [2020-09-21 11:28:42,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:42,513 INFO L93 Difference]: Finished difference Result 4298 states and 4950 transitions. [2020-09-21 11:28:42,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:42,515 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 360 [2020-09-21 11:28:42,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:42,531 INFO L225 Difference]: With dead ends: 4298 [2020-09-21 11:28:42,531 INFO L226 Difference]: Without dead ends: 2618 [2020-09-21 11:28:42,538 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 11:28:42,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2618 states. [2020-09-21 11:28:42,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2618 to 2430. [2020-09-21 11:28:42,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2430 states. [2020-09-21 11:28:42,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 2430 states and 2787 transitions. [2020-09-21 11:28:42,626 INFO L78 Accepts]: Start accepts. Automaton has 2430 states and 2787 transitions. Word has length 360 [2020-09-21 11:28:42,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:42,627 INFO L479 AbstractCegarLoop]: Abstraction has 2430 states and 2787 transitions. [2020-09-21 11:28:42,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:42,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2430 states and 2787 transitions. [2020-09-21 11:28:42,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2020-09-21 11:28:42,638 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:42,639 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, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:42,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:28:42,639 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:42,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:42,640 INFO L82 PathProgramCache]: Analyzing trace with hash 994413013, now seen corresponding path program 1 times [2020-09-21 11:28:42,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:42,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [9052560] [2020-09-21 11:28:42,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:42,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:42,781 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:42,781 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:42,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:42,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 393 [2020-09-21 11:28:42,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:42,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:28:42,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:42,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:42,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 346 [2020-09-21 11:28:42,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-21 11:28:42,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:42,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:42,908 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:42,908 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:42,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:42,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:42,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:42,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:42,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:42,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:42,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:42,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:42,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:42,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:42,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:42,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:42,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:42,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:42,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:42,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:42,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:42,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:42,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:42,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:42,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:42,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:42,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:42,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:28:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:42,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:42,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:42,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:42,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:42,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-21 11:28:42,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:42,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:28:43,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:43,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:43,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:43,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:43,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:28:43,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-09-21 11:28:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:43,090 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:43,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:43,091 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:43,091 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:43,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:28:43,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:43,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:28:43,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:43,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:43,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:43,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:28:43,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:43,376 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 123 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-09-21 11:28:43,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [9052560] [2020-09-21 11:28:43,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:43,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:43,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992379328] [2020-09-21 11:28:43,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:43,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:43,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:43,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:43,379 INFO L87 Difference]: Start difference. First operand 2430 states and 2787 transitions. Second operand 5 states. [2020-09-21 11:28:44,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:44,842 INFO L93 Difference]: Finished difference Result 5776 states and 6684 transitions. [2020-09-21 11:28:44,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:44,849 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 378 [2020-09-21 11:28:44,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:44,865 INFO L225 Difference]: With dead ends: 5776 [2020-09-21 11:28:44,866 INFO L226 Difference]: Without dead ends: 3352 [2020-09-21 11:28:44,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:44,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3352 states. [2020-09-21 11:28:44,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3352 to 2988. [2020-09-21 11:28:44,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2988 states. [2020-09-21 11:28:44,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 3409 transitions. [2020-09-21 11:28:44,947 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 3409 transitions. Word has length 378 [2020-09-21 11:28:44,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:44,948 INFO L479 AbstractCegarLoop]: Abstraction has 2988 states and 3409 transitions. [2020-09-21 11:28:44,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:44,948 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 3409 transitions. [2020-09-21 11:28:44,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2020-09-21 11:28:44,959 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:44,960 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, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:44,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:28:44,961 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:44,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:44,961 INFO L82 PathProgramCache]: Analyzing trace with hash -202455062, now seen corresponding path program 1 times [2020-09-21 11:28:44,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:44,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184818770] [2020-09-21 11:28:44,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:45,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:28:45,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -391 [2020-09-21 11:28:45,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 391 [2020-09-21 11:28:45,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:45,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 444 [2020-09-21 11:28:45,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:45,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:28:45,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:45,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:45,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 397 [2020-09-21 11:28:45,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-21 11:28:45,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:45,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:45,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:45,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:45,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:45,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:45,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:45,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:45,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:45,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:45,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:45,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:45,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:45,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:45,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:45,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:45,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:45,248 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:45,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:45,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:45,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:45,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:45,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:45,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:45,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:28:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:45,300 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:45,300 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:45,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:45,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:45,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-21 11:28:45,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:45,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:45,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:45,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:45,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:45,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:45,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:45,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-09-21 11:28:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:45,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:45,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:45,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:45,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:45,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:28:45,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:45,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:28:45,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 11:28:45,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:45,597 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 123 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2020-09-21 11:28:45,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184818770] [2020-09-21 11:28:45,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:45,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:45,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509260553] [2020-09-21 11:28:45,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:45,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:45,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:45,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:45,608 INFO L87 Difference]: Start difference. First operand 2988 states and 3409 transitions. Second operand 5 states. [2020-09-21 11:28:47,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:47,203 INFO L93 Difference]: Finished difference Result 6334 states and 7250 transitions. [2020-09-21 11:28:47,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:47,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 429 [2020-09-21 11:28:47,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:47,210 INFO L225 Difference]: With dead ends: 6334 [2020-09-21 11:28:47,210 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:28:47,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:47,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:28:47,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:28:47,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:28:47,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:28:47,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 429 [2020-09-21 11:28:47,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:47,223 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:28:47,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:47,223 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:28:47,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:28:47,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:28:47,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:28:48,224 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 119 [2020-09-21 11:28:48,524 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 119 [2020-09-21 11:28:49,294 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 33 [2020-09-21 11:28:49,730 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 29 [2020-09-21 11:28:50,154 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 29 [2020-09-21 11:28:50,159 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:28:50,160 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-09-21 11:28:50,160 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:28:50,160 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-09-21 11:28:50,160 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-09-21 11:28:50,160 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,161 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,161 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,161 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-09-21 11:28:50,161 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-21 11:28:50,161 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-21 11:28:50,161 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-21 11:28:50,161 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-09-21 11:28:50,162 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-09-21 11:28:50,162 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-09-21 11:28:50,162 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-09-21 11:28:50,162 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,162 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,162 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,162 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-09-21 11:28:50,162 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-09-21 11:28:50,163 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 11:28:50,163 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-21 11:28:50,163 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-21 11:28:50,163 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-09-21 11:28:50,163 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-09-21 11:28:50,163 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-09-21 11:28:50,163 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,164 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,164 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,164 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-09-21 11:28:50,164 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 11:28:50,164 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-21 11:28:50,164 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-21 11:28:50,165 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-09-21 11:28:50,165 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-09-21 11:28:50,165 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-09-21 11:28:50,165 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-09-21 11:28:50,165 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-09-21 11:28:50,165 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,165 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,166 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,166 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-09-21 11:28:50,166 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-21 11:28:50,166 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-21 11:28:50,166 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-21 11:28:50,166 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-09-21 11:28:50,166 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-09-21 11:28:50,167 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-09-21 11:28:50,167 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,167 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,167 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,167 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-09-21 11:28:50,167 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-21 11:28:50,168 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 11:28:50,168 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-21 11:28:50,168 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-09-21 11:28:50,168 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-09-21 11:28:50,168 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-09-21 11:28:50,168 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-09-21 11:28:50,168 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-09-21 11:28:50,169 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,169 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,169 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,169 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,169 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-09-21 11:28:50,169 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 11:28:50,169 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 11:28:50,170 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-21 11:28:50,170 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-09-21 11:28:50,170 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-09-21 11:28:50,170 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-09-21 11:28:50,170 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-09-21 11:28:50,170 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,171 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,171 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,171 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-21 11:28:50,171 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-21 11:28:50,171 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-21 11:28:50,171 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-09-21 11:28:50,171 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-09-21 11:28:50,171 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-09-21 11:28:50,172 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-09-21 11:28:50,172 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-09-21 11:28:50,172 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,172 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,172 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,172 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-09-21 11:28:50,173 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-09-21 11:28:50,173 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-21 11:28:50,173 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-21 11:28:50,173 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-21 11:28:50,173 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-09-21 11:28:50,180 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (= ~a24~0 |old(~a24~0)|)) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= ~a15~0 |old(~a15~0)|))) (let ((.cse3 (and .cse0 (= ~a21~0 |old(~a21~0)|) .cse1 .cse2))) (and (or (and .cse0 (= ~a21~0 9) .cse1 .cse2) (not (= 9 |old(~a21~0)|))) (or .cse3 (= 6 |old(~a15~0)|)) (or .cse3 (not (<= 12 |old(~a12~0)|))) (or (not (= 10 |old(~a21~0)|)) .cse3)))) [2020-09-21 11:28:50,180 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-09-21 11:28:50,180 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-09-21 11:28:50,181 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,181 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,181 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,181 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 11:28:50,181 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 11:28:50,181 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-21 11:28:50,181 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-09-21 11:28:50,181 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-09-21 11:28:50,182 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-09-21 11:28:50,182 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-09-21 11:28:50,182 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-09-21 11:28:50,182 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,182 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,182 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,182 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-09-21 11:28:50,182 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-09-21 11:28:50,183 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-21 11:28:50,185 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 11:28:50,185 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-21 11:28:50,186 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-09-21 11:28:50,186 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-09-21 11:28:50,186 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-09-21 11:28:50,186 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,186 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,186 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,186 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-09-21 11:28:50,187 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-21 11:28:50,187 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 11:28:50,187 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-21 11:28:50,187 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-09-21 11:28:50,187 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-09-21 11:28:50,187 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-09-21 11:28:50,187 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-09-21 11:28:50,187 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,187 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,188 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,188 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-09-21 11:28:50,188 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 11:28:50,188 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 11:28:50,188 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-21 11:28:50,188 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-09-21 11:28:50,188 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-09-21 11:28:50,188 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-09-21 11:28:50,188 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-09-21 11:28:50,189 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,189 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,189 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-09-21 11:28:50,189 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 11:28:50,189 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-21 11:28:50,190 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-09-21 11:28:50,190 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-09-21 11:28:50,190 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-09-21 11:28:50,190 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-09-21 11:28:50,190 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-09-21 11:28:50,190 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 127) no Hoare annotation was computed. [2020-09-21 11:28:50,191 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,191 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,191 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-09-21 11:28:50,191 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-21 11:28:50,191 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-21 11:28:50,193 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-09-21 11:28:50,193 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-09-21 11:28:50,193 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-09-21 11:28:50,193 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,194 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,194 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-09-21 11:28:50,194 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-09-21 11:28:50,194 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-21 11:28:50,194 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-21 11:28:50,196 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-09-21 11:28:50,196 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-09-21 11:28:50,196 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-09-21 11:28:50,197 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-09-21 11:28:50,197 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,197 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,197 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-09-21 11:28:50,197 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-09-21 11:28:50,198 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-21 11:28:50,198 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 11:28:50,198 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-09-21 11:28:50,198 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-09-21 11:28:50,198 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-09-21 11:28:50,198 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,198 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,198 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,199 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-09-21 11:28:50,199 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-09-21 11:28:50,199 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-21 11:28:50,199 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 11:28:50,199 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-09-21 11:28:50,199 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-09-21 11:28:50,199 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,199 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,200 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-21 11:28:50,200 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,200 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-09-21 11:28:50,200 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-09-21 11:28:50,200 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-09-21 11:28:50,200 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-21 11:28:50,202 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 11:28:50,203 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-21 11:28:50,203 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-09-21 11:28:50,204 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-09-21 11:28:50,204 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-09-21 11:28:50,204 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-09-21 11:28:50,204 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,204 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,204 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,204 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-09-21 11:28:50,204 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 11:28:50,205 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 11:28:50,205 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-21 11:28:50,205 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-09-21 11:28:50,205 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-09-21 11:28:50,205 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-09-21 11:28:50,205 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-09-21 11:28:50,205 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,205 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,206 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,206 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-09-21 11:28:50,206 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-09-21 11:28:50,206 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 11:28:50,206 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-21 11:28:50,206 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-21 11:28:50,207 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-09-21 11:28:50,207 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-09-21 11:28:50,207 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-09-21 11:28:50,207 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,207 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,207 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,207 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-09-21 11:28:50,208 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 11:28:50,208 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-21 11:28:50,209 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-21 11:28:50,209 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-09-21 11:28:50,209 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-09-21 11:28:50,209 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-09-21 11:28:50,209 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-09-21 11:28:50,210 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-09-21 11:28:50,210 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,210 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,210 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:50,210 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-09-21 11:28:50,210 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-21 11:28:50,210 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-21 11:28:50,211 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-21 11:28:50,211 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-09-21 11:28:50,211 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:28:50,211 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 7 ~a21~0) (<= 8 ~a15~0) (<= (+ ~a12~0 49) 0) (<= ~a15~0 8)) [2020-09-21 11:28:50,212 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:28:50,212 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:28:50,212 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= 8 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= 7 |old(~a21~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= 8 ~a15~0) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (<= ~a15~0 8) (= ~a12~0 |old(~a12~0)|))) [2020-09-21 11:28:50,213 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-09-21 11:28:50,214 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (<= 12 ~a12~0) (= ~a21~0 10) (not (<= 8 |old(~a15~0)|)) (not (= ~a15~0 6)) (not (<= |old(~a15~0)| 8)) (= ~a21~0 9) (not (<= 7 |old(~a21~0)|)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-09-21 11:28:50,214 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-09-21 11:28:50,214 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-09-21 11:28:50,214 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (<= 12 ~a12~0) (= ~a21~0 10) (not (<= 8 |old(~a15~0)|)) (not (= ~a15~0 6)) (not (<= |old(~a15~0)| 8)) (= ~a21~0 9) (not (<= 7 |old(~a21~0)|)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-09-21 11:28:50,214 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-09-21 11:28:50,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:28:50 BoogieIcfgContainer [2020-09-21 11:28:50,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:28:50,254 INFO L168 Benchmark]: Toolchain (without parser) took 31350.60 ms. Allocated memory was 138.9 MB in the beginning and 667.9 MB in the end (delta: 529.0 MB). Free memory was 99.2 MB in the beginning and 465.7 MB in the end (delta: -366.5 MB). Peak memory consumption was 557.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:50,255 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:28:50,257 INFO L168 Benchmark]: CACSL2BoogieTranslator took 946.37 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 98.6 MB in the beginning and 167.8 MB in the end (delta: -69.2 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:50,257 INFO L168 Benchmark]: Boogie Preprocessor took 146.54 ms. Allocated memory is still 205.5 MB. Free memory was 167.8 MB in the beginning and 162.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:50,262 INFO L168 Benchmark]: RCFGBuilder took 1921.03 ms. Allocated memory was 205.5 MB in the beginning and 237.0 MB in the end (delta: 31.5 MB). Free memory was 162.0 MB in the beginning and 157.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:50,266 INFO L168 Benchmark]: TraceAbstraction took 28323.65 ms. Allocated memory was 237.0 MB in the beginning and 667.9 MB in the end (delta: 431.0 MB). Free memory was 157.0 MB in the beginning and 465.7 MB in the end (delta: -308.7 MB). Peak memory consumption was 516.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:50,277 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 946.37 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 98.6 MB in the beginning and 167.8 MB in the end (delta: -69.2 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 146.54 ms. Allocated memory is still 205.5 MB. Free memory was 167.8 MB in the beginning and 162.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1921.03 ms. Allocated memory was 205.5 MB in the beginning and 237.0 MB in the end (delta: 31.5 MB). Free memory was 162.0 MB in the beginning and 157.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28323.65 ms. Allocated memory was 237.0 MB in the beginning and 667.9 MB in the end (delta: 431.0 MB). Free memory was 157.0 MB in the beginning and 465.7 MB in the end (delta: -308.7 MB). Peak memory consumption was 516.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 127]: 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: 880]: Loop Invariant Derived loop invariant: ((((((12 <= a12 || a21 == 10) || !(8 <= \old(a15))) || !(a15 == 6)) || !(\old(a15) <= 8)) || a21 == 9) || !(7 <= \old(a21))) || !(\old(a12) + 49 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.2s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 18.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 251 SDtfs, 4778 SDslu, 266 SDs, 0 SdLazy, 9107 SolverSat, 1679 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 68 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2988occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 1006 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 89 PreInvPairs, 131 NumberOfFragments, 218 HoareAnnotationTreeSize, 89 FomulaSimplifications, 38078 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 15127 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 2338 NumberOfCodeBlocks, 2338 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2329 ConstructedInterpolants, 0 QuantifiedInterpolants, 1975516 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 2093/2179 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...