/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:03:04,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:03:04,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:03:04,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:03:04,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:03:04,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:03:04,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:03:04,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:03:04,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:03:04,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:03:04,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:03:04,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:03:04,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:03:04,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:03:04,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:03:04,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:03:04,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:03:04,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:03:04,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:03:04,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:03:04,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:03:04,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:03:04,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:03:04,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:03:04,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:03:04,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:03:04,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:03:04,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:03:04,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:03:04,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:03:04,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:03:04,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:03:04,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:03:04,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:03:04,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:03:04,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:03:04,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:03:04,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:03:04,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:03:04,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:03:04,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:03:04,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 08:03:04,367 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:03:04,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:03:04,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:03:04,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:03:04,369 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:03:04,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:03:04,370 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:03:04,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:03:04,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:03:04,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:03:04,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:03:04,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:03:04,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:03:04,372 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:03:04,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:03:04,372 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:03:04,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:03:04,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:03:04,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:03:04,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:03:04,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:03:04,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:03:04,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:03:04,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:03:04,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:03:04,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:03:04,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:03:04,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:03:04,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:03:04,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:03:04,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:03:04,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:03:04,705 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:03:04,706 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:03:04,707 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:03:04,707 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label21.c [2020-10-13 08:03:04,767 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/499b19dfa/b1fdd26cd7484feb91fd9df1c935a894/FLAG50339e904 [2020-10-13 08:03:05,313 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:03:05,314 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label21.c [2020-10-13 08:03:05,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/499b19dfa/b1fdd26cd7484feb91fd9df1c935a894/FLAG50339e904 [2020-10-13 08:03:05,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/499b19dfa/b1fdd26cd7484feb91fd9df1c935a894 [2020-10-13 08:03:05,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:03:05,556 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:03:05,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:03:05,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:03:05,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:03:05,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:03:05" (1/1) ... [2020-10-13 08:03:05,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2362c63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:05, skipping insertion in model container [2020-10-13 08:03:05,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:03:05" (1/1) ... [2020-10-13 08:03:05,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:03:05,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:03:06,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:03:06,154 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:03:06,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:03:06,302 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:03:06,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06 WrapperNode [2020-10-13 08:03:06,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:03:06,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:03:06,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:03:06,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:03:06,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06" (1/1) ... [2020-10-13 08:03:06,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06" (1/1) ... [2020-10-13 08:03:06,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06" (1/1) ... [2020-10-13 08:03:06,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06" (1/1) ... [2020-10-13 08:03:06,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06" (1/1) ... [2020-10-13 08:03:06,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06" (1/1) ... [2020-10-13 08:03:06,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06" (1/1) ... [2020-10-13 08:03:06,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:03:06,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:03:06,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:03:06,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:03:06,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:03:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:03:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:03:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:03:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:03:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:03:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:03:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:03:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:03:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:03:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:03:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:03:07,775 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:03:07,775 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:03:07,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:03:07 BoogieIcfgContainer [2020-10-13 08:03:07,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:03:07,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:03:07,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:03:07,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:03:07,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:03:05" (1/3) ... [2020-10-13 08:03:07,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71635c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:03:07, skipping insertion in model container [2020-10-13 08:03:07,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06" (2/3) ... [2020-10-13 08:03:07,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71635c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:03:07, skipping insertion in model container [2020-10-13 08:03:07,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:03:07" (3/3) ... [2020-10-13 08:03:07,790 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label21.c [2020-10-13 08:03:07,804 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:03:07,814 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:03:07,835 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:03:07,863 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:03:07,863 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:03:07,863 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:03:07,863 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:03:07,864 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:03:07,864 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:03:07,864 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:03:07,865 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:03:07,893 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-13 08:03:07,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-13 08:03:07,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:07,904 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] [2020-10-13 08:03:07,904 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:07,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:07,913 INFO L82 PathProgramCache]: Analyzing trace with hash -689743650, now seen corresponding path program 1 times [2020-10-13 08:03:07,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:07,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1484759559] [2020-10-13 08:03:07,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:08,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:08,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:08,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 08:03:08,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:08,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 336 [2020-10-13 08:03:08,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:08,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:03:08,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:03:08,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 08:03:08,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:03:08,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:08,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:08,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:08,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:08,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:08,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 08:03:08,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:08,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:08,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:08,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:03:08,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:08,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:08,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1484759559] [2020-10-13 08:03:08,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:03:08,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:03:08,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715056591] [2020-10-13 08:03:08,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:03:08,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:08,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:03:08,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:03:08,597 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-13 08:03:09,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:09,951 INFO L93 Difference]: Finished difference Result 588 states and 1005 transitions. [2020-10-13 08:03:09,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:09,956 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-10-13 08:03:09,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:09,971 INFO L225 Difference]: With dead ends: 588 [2020-10-13 08:03:09,972 INFO L226 Difference]: Without dead ends: 296 [2020-10-13 08:03:09,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:09,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-10-13 08:03:10,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2020-10-13 08:03:10,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:03:10,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 407 transitions. [2020-10-13 08:03:10,050 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 407 transitions. Word has length 33 [2020-10-13 08:03:10,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:10,051 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 407 transitions. [2020-10-13 08:03:10,051 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:03:10,051 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 407 transitions. [2020-10-13 08:03:10,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-13 08:03:10,056 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:10,056 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:10,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:03:10,057 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:10,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:10,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1397364058, now seen corresponding path program 1 times [2020-10-13 08:03:10,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:10,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1453919258] [2020-10-13 08:03:10,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:10,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:10,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:10,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:10,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 08:03:10,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:03:10,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 680 [2020-10-13 08:03:10,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:10,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:10,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-13 08:03:10,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 08:03:10,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:10,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:10,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:10,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:10,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:10,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:10,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:03:10,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:10,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:10,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:10,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:10,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:10,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:10,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:10,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:10,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:03:10,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:10,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 08:03:10,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:10,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:10,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:10,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 08:03:10,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:10,986 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:10,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1453919258] [2020-10-13 08:03:10,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:10,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:03:10,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624122992] [2020-10-13 08:03:10,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:03:10,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:10,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:03:10,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:10,990 INFO L87 Difference]: Start difference. First operand 296 states and 407 transitions. Second operand 6 states. [2020-10-13 08:03:12,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:12,691 INFO L93 Difference]: Finished difference Result 876 states and 1268 transitions. [2020-10-13 08:03:12,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:03:12,692 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2020-10-13 08:03:12,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:12,704 INFO L225 Difference]: With dead ends: 876 [2020-10-13 08:03:12,704 INFO L226 Difference]: Without dead ends: 729 [2020-10-13 08:03:12,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:03:12,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2020-10-13 08:03:12,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 729. [2020-10-13 08:03:12,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2020-10-13 08:03:12,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 975 transitions. [2020-10-13 08:03:12,783 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 975 transitions. Word has length 103 [2020-10-13 08:03:12,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:12,784 INFO L479 AbstractCegarLoop]: Abstraction has 729 states and 975 transitions. [2020-10-13 08:03:12,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:03:12,784 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 975 transitions. [2020-10-13 08:03:12,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-13 08:03:12,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:12,788 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:12,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:03:12,789 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:12,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:12,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1491813086, now seen corresponding path program 1 times [2020-10-13 08:03:12,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:12,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911524996] [2020-10-13 08:03:12,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:12,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:12,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:13,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:13,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:13,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-13 08:03:13,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:13,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 723 [2020-10-13 08:03:13,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:13,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:13,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 08:03:13,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 08:03:13,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:13,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:13,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:13,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:13,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:13,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:13,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:13,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:13,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:13,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:13,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:13,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:13,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:13,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:13,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:13,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:03:13,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:13,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 08:03:13,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:13,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:13,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:13,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 08:03:13,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:13,718 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:13,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911524996] [2020-10-13 08:03:13,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:13,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:13,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044871250] [2020-10-13 08:03:13,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:13,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:13,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:13,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:13,721 INFO L87 Difference]: Start difference. First operand 729 states and 975 transitions. Second operand 5 states. [2020-10-13 08:03:14,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:14,776 INFO L93 Difference]: Finished difference Result 1166 states and 1616 transitions. [2020-10-13 08:03:14,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:14,776 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-10-13 08:03:14,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:14,784 INFO L225 Difference]: With dead ends: 1166 [2020-10-13 08:03:14,784 INFO L226 Difference]: Without dead ends: 1164 [2020-10-13 08:03:14,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:14,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2020-10-13 08:03:14,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1164. [2020-10-13 08:03:14,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1164 states. [2020-10-13 08:03:14,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1614 transitions. [2020-10-13 08:03:14,825 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1614 transitions. Word has length 107 [2020-10-13 08:03:14,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:14,825 INFO L479 AbstractCegarLoop]: Abstraction has 1164 states and 1614 transitions. [2020-10-13 08:03:14,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:14,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1614 transitions. [2020-10-13 08:03:14,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-13 08:03:14,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:14,830 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:14,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:03:14,831 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:14,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:14,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1169672974, now seen corresponding path program 1 times [2020-10-13 08:03:14,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:14,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729033721] [2020-10-13 08:03:14,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:14,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:15,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:15,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:16,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:16,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-13 08:03:16,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:16,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1142 [2020-10-13 08:03:16,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:16,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:16,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-13 08:03:16,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 08:03:16,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:16,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:16,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:16,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:16,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:16,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:16,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:16,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:16,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:16,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:16,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:16,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:16,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:16,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:16,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:16,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 08:03:16,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:16,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-13 08:03:16,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:16,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:16,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:16,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-13 08:03:16,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:16,386 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:16,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729033721] [2020-10-13 08:03:16,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:16,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:16,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896654658] [2020-10-13 08:03:16,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:16,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:16,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:16,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:16,392 INFO L87 Difference]: Start difference. First operand 1164 states and 1614 transitions. Second operand 5 states. [2020-10-13 08:03:17,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:17,208 INFO L93 Difference]: Finished difference Result 2055 states and 2897 transitions. [2020-10-13 08:03:17,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:17,210 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-10-13 08:03:17,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:17,217 INFO L225 Difference]: With dead ends: 2055 [2020-10-13 08:03:17,218 INFO L226 Difference]: Without dead ends: 1164 [2020-10-13 08:03:17,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:17,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2020-10-13 08:03:17,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1164. [2020-10-13 08:03:17,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1164 states. [2020-10-13 08:03:17,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1604 transitions. [2020-10-13 08:03:17,259 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1604 transitions. Word has length 145 [2020-10-13 08:03:17,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:17,259 INFO L479 AbstractCegarLoop]: Abstraction has 1164 states and 1604 transitions. [2020-10-13 08:03:17,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:17,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1604 transitions. [2020-10-13 08:03:17,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-13 08:03:17,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:17,263 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:17,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:03:17,263 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:17,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:17,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1744412086, now seen corresponding path program 1 times [2020-10-13 08:03:17,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:17,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1287495114] [2020-10-13 08:03:17,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:17,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:17,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:18,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:18,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:18,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-13 08:03:18,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:18,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1320 [2020-10-13 08:03:18,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:18,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:18,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-13 08:03:18,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 08:03:18,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:18,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:18,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:18,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:18,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:18,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:18,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:03:18,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:18,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:18,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:18,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:18,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:18,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:18,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:18,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:18,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-13 08:03:18,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:18,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-13 08:03:18,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:18,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:18,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:18,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-13 08:03:18,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:18,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1287495114] [2020-10-13 08:03:18,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:18,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:18,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98172136] [2020-10-13 08:03:18,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:18,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:18,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:18,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:18,934 INFO L87 Difference]: Start difference. First operand 1164 states and 1604 transitions. Second operand 5 states. [2020-10-13 08:03:19,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:19,759 INFO L93 Difference]: Finished difference Result 2046 states and 2868 transitions. [2020-10-13 08:03:19,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:19,760 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2020-10-13 08:03:19,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:19,770 INFO L225 Difference]: With dead ends: 2046 [2020-10-13 08:03:19,770 INFO L226 Difference]: Without dead ends: 1164 [2020-10-13 08:03:19,775 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:19,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2020-10-13 08:03:19,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1164. [2020-10-13 08:03:19,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1164 states. [2020-10-13 08:03:19,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1596 transitions. [2020-10-13 08:03:19,832 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1596 transitions. Word has length 159 [2020-10-13 08:03:19,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:19,833 INFO L479 AbstractCegarLoop]: Abstraction has 1164 states and 1596 transitions. [2020-10-13 08:03:19,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:19,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1596 transitions. [2020-10-13 08:03:19,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-13 08:03:19,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:19,844 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:19,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:03:19,845 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:19,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:19,845 INFO L82 PathProgramCache]: Analyzing trace with hash 457547401, now seen corresponding path program 1 times [2020-10-13 08:03:19,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:19,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916557283] [2020-10-13 08:03:19,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:19,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:20,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:20,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:21,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:21,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-13 08:03:21,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:21,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1549 [2020-10-13 08:03:21,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:21,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:21,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203 [2020-10-13 08:03:21,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 08:03:21,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:21,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:21,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:21,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:21,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:21,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:21,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:21,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:21,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:21,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:21,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:21,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:21,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:21,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:21,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:21,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:03:21,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:21,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:03:21,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:21,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:21,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:21,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:21,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:21,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 08:03:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:21,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:21,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:21,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:03:21,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:21,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-13 08:03:21,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:21,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:21,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:21,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-13 08:03:21,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:21,803 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-13 08:03:21,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916557283] [2020-10-13 08:03:21,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:21,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:21,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394108468] [2020-10-13 08:03:21,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:21,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:21,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:21,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:21,806 INFO L87 Difference]: Start difference. First operand 1164 states and 1596 transitions. Second operand 5 states. [2020-10-13 08:03:22,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:22,609 INFO L93 Difference]: Finished difference Result 1911 states and 2637 transitions. [2020-10-13 08:03:22,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:22,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 224 [2020-10-13 08:03:22,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:22,610 INFO L225 Difference]: With dead ends: 1911 [2020-10-13 08:03:22,610 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:03:22,615 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 [2020-10-13 08:03:22,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:03:22,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:03:22,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:03:22,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:03:22,616 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 224 [2020-10-13 08:03:22,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:22,616 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:03:22,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:22,617 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:03:22,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:03:22,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:03:22,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:03:23,080 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 49 [2020-10-13 08:03:23,241 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:03:23,242 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-13 08:03:23,242 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:03:23,242 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-13 08:03:23,242 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,242 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,242 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,242 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,243 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,243 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,243 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-13 08:03:23,243 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-13 08:03:23,243 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:03:23,243 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:03:23,243 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:03:23,243 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:03:23,244 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:03:23,244 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:03:23,244 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-13 08:03:23,244 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-13 08:03:23,244 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-13 08:03:23,244 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,244 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,245 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,245 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,245 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,245 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-13 08:03:23,245 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-13 08:03:23,245 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-13 08:03:23,245 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-13 08:03:23,245 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:03:23,246 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:03:23,246 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:03:23,246 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:03:23,246 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:03:23,246 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-13 08:03:23,246 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-13 08:03:23,246 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-13 08:03:23,246 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-13 08:03:23,247 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 85) no Hoare annotation was computed. [2020-10-13 08:03:23,247 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-13 08:03:23,247 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,247 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,247 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,247 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,247 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,248 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-13 08:03:23,248 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:03:23,248 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:03:23,248 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:03:23,248 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:03:23,248 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:03:23,248 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-13 08:03:23,248 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-13 08:03:23,249 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-13 08:03:23,249 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-13 08:03:23,249 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,249 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,249 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,249 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,249 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,249 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-13 08:03:23,250 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-13 08:03:23,250 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-13 08:03:23,250 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:03:23,250 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:03:23,250 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:03:23,250 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:03:23,250 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:03:23,251 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-13 08:03:23,251 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-13 08:03:23,251 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-13 08:03:23,251 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-13 08:03:23,251 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-13 08:03:23,251 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,251 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,251 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,252 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,252 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,252 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:03:23,252 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:03:23,252 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:03:23,252 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:03:23,252 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:03:23,252 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-13 08:03:23,252 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-13 08:03:23,253 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-13 08:03:23,253 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-13 08:03:23,253 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,253 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,253 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,253 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,253 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,254 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,254 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,254 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-13 08:03:23,254 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-13 08:03:23,254 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-13 08:03:23,254 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-13 08:03:23,254 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:03:23,254 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:03:23,255 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:03:23,255 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:03:23,255 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:03:23,255 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-13 08:03:23,255 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-13 08:03:23,255 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-13 08:03:23,255 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-13 08:03:23,255 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,256 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,256 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,256 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,256 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:03:23,256 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,256 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,256 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-13 08:03:23,257 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-13 08:03:23,257 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-13 08:03:23,257 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:03:23,257 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:03:23,257 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:03:23,257 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:03:23,257 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:03:23,258 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:03:23,258 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-13 08:03:23,258 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-13 08:03:23,258 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-13 08:03:23,258 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-13 08:03:23,258 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,258 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,258 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,259 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,259 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,259 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,259 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-13 08:03:23,259 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-13 08:03:23,259 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-13 08:03:23,259 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:03:23,259 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:03:23,260 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:03:23,260 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:03:23,260 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:03:23,260 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:03:23,260 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-13 08:03:23,260 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-13 08:03:23,261 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (= ~a1~0 |old(~a1~0)|)) (.cse2 (= ~a10~0 |old(~a10~0)|))) (let ((.cse0 (not (= 14 ~a4~0))) (.cse5 (not (= 8 |old(~a19~0)|))) (.cse3 (not (= ~a12~0 0))) (.cse4 (and .cse1 (= ~a19~0 |old(~a19~0)|) .cse2))) (and (or (not (<= (+ |old(~a1~0)| 551894) 0)) (not (= 6 |old(~a19~0)|)) .cse0 (and .cse1 (= ~a19~0 6) .cse2) .cse3) (or .cse4 (not (<= 219 |old(~a1~0)|)) .cse0 .cse5 .cse3) (or (not (<= 9 |old(~a19~0)|)) .cse4) (or (not (<= |old(~a1~0)| 77)) .cse4 .cse0 .cse5 (not (<= 41 |old(~a1~0)|)) .cse3) (or .cse4 (= 0 |old(~a10~0)|))))) [2020-10-13 08:03:23,261 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-13 08:03:23,261 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-13 08:03:23,261 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-13 08:03:23,261 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,261 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,261 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,262 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,262 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,262 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,262 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-13 08:03:23,262 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:03:23,262 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:03:23,262 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:03:23,262 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:03:23,263 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:03:23,263 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:03:23,263 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-13 08:03:23,263 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-13 08:03:23,263 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-13 08:03:23,263 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-13 08:03:23,263 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-13 08:03:23,263 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-13 08:03:23,263 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,264 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,264 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,264 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,264 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,264 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,264 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-13 08:03:23,264 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-13 08:03:23,264 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-13 08:03:23,264 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:03:23,265 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:03:23,265 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:03:23,265 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:03:23,265 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:03:23,265 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:03:23,265 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-13 08:03:23,265 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-13 08:03:23,265 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-13 08:03:23,266 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,266 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,266 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,266 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,266 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,266 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,266 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-13 08:03:23,266 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-13 08:03:23,266 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-13 08:03:23,267 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:03:23,267 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:03:23,267 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:03:23,267 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:03:23,267 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:03:23,267 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:03:23,267 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-13 08:03:23,267 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-13 08:03:23,267 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-13 08:03:23,268 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:03:23,268 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 9 ~a19~0) (= 23 ~a1~0)) [2020-10-13 08:03:23,268 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:03:23,268 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:03:23,268 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-13 08:03:23,268 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:03:23,269 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (= ~a19~0 8)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (not (<= 9 |old(~a19~0)|)) (not (= ~a10~0 0)) (<= 9 ~a19~0) (and .cse0 (<= 41 ~a1~0) (<= ~a1~0 77) .cse1 .cse2) (and .cse0 .cse1 .cse2 (<= 219 ~a1~0)) (and .cse1 (<= (+ ~a1~0 551894) 0) .cse2 (= ~a19~0 6)) (not (= 23 |old(~a1~0)|)))) [2020-10-13 08:03:23,269 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-13 08:03:23,269 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-13 08:03:23,269 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (= ~a19~0 8)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (not (<= 9 |old(~a19~0)|)) (not (= ~a10~0 0)) (<= 9 ~a19~0) (and .cse0 (<= 41 ~a1~0) (<= ~a1~0 77) .cse1 .cse2) (and .cse0 .cse1 .cse2 (<= 219 ~a1~0)) (and .cse1 (<= (+ ~a1~0 551894) 0) .cse2 (= ~a19~0 6)) (not (= 23 |old(~a1~0)|)))) [2020-10-13 08:03:23,269 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:03:23,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:03:23 BoogieIcfgContainer [2020-10-13 08:03:23,290 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:03:23,292 INFO L168 Benchmark]: Toolchain (without parser) took 17735.93 ms. Allocated memory was 147.8 MB in the beginning and 518.0 MB in the end (delta: 370.1 MB). Free memory was 102.1 MB in the beginning and 389.8 MB in the end (delta: -287.7 MB). Peak memory consumption was 381.6 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:23,293 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 08:03:23,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.14 ms. Allocated memory was 147.8 MB in the beginning and 206.0 MB in the end (delta: 58.2 MB). Free memory was 101.9 MB in the beginning and 171.3 MB in the end (delta: -69.4 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:23,295 INFO L168 Benchmark]: Boogie Preprocessor took 120.16 ms. Allocated memory is still 206.0 MB. Free memory was 171.3 MB in the beginning and 166.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:23,295 INFO L168 Benchmark]: RCFGBuilder took 1357.80 ms. Allocated memory was 206.0 MB in the beginning and 236.5 MB in the end (delta: 30.4 MB). Free memory was 166.5 MB in the beginning and 175.7 MB in the end (delta: -9.3 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:23,296 INFO L168 Benchmark]: TraceAbstraction took 15506.93 ms. Allocated memory was 236.5 MB in the beginning and 518.0 MB in the end (delta: 281.5 MB). Free memory was 175.7 MB in the beginning and 389.8 MB in the end (delta: -214.0 MB). Peak memory consumption was 366.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:23,300 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 743.14 ms. Allocated memory was 147.8 MB in the beginning and 206.0 MB in the end (delta: 58.2 MB). Free memory was 101.9 MB in the beginning and 171.3 MB in the end (delta: -69.4 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.16 ms. Allocated memory is still 206.0 MB. Free memory was 171.3 MB in the beginning and 166.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1357.80 ms. Allocated memory was 206.0 MB in the beginning and 236.5 MB in the end (delta: 30.4 MB). Free memory was 166.5 MB in the beginning and 175.7 MB in the end (delta: -9.3 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15506.93 ms. Allocated memory was 236.5 MB in the beginning and 518.0 MB in the end (delta: 281.5 MB). Free memory was 175.7 MB in the beginning and 389.8 MB in the end (delta: -214.0 MB). Peak memory consumption was 366.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 85]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((!(9 <= \old(a19)) || !(a10 == 0)) || 9 <= a19) || ((((a19 == 8 && 41 <= a1) && a1 <= 77) && 14 == a4) && a12 == 0)) || (((a19 == 8 && 14 == a4) && a12 == 0) && 219 <= a1)) || (((14 == a4 && a1 + 551894 <= 0) && a12 == 0) && a19 == 6)) || !(23 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.7s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 141 SDtfs, 1891 SDslu, 103 SDs, 0 SdLazy, 3986 SolverSat, 407 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1164occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 36 PreInvPairs, 56 NumberOfFragments, 295 HoareAnnotationTreeSize, 36 FomulaSimplifications, 204 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 437 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 771 NumberOfCodeBlocks, 771 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 765 ConstructedInterpolants, 0 QuantifiedInterpolants, 322593 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 224/230 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...