/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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/Problem01_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 19:03:15,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 19:03:15,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 19:03:15,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 19:03:15,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 19:03:15,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 19:03:15,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 19:03:15,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 19:03:15,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 19:03:15,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 19:03:15,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 19:03:15,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 19:03:15,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 19:03:15,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 19:03:15,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 19:03:15,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 19:03:15,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 19:03:15,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 19:03:15,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 19:03:15,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 19:03:15,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 19:03:15,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 19:03:15,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 19:03:15,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 19:03:15,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 19:03:15,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 19:03:15,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 19:03:15,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 19:03:15,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 19:03:15,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 19:03:15,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 19:03:15,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 19:03:15,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 19:03:15,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 19:03:15,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 19:03:15,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 19:03:15,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 19:03:15,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 19:03:15,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 19:03:15,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 19:03:15,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 19:03:15,535 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 [2020-10-14 19:03:15,559 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 19:03:15,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 19:03:15,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 19:03:15,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 19:03:15,561 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 19:03:15,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 19:03:15,561 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 19:03:15,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 19:03:15,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 19:03:15,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 19:03:15,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 19:03:15,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 19:03:15,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 19:03:15,563 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 19:03:15,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 19:03:15,563 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 19:03:15,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 19:03:15,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 19:03:15,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 19:03:15,564 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 19:03:15,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 19:03:15,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 19:03:15,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 19:03:15,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 19:03:15,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 19:03:15,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 19:03:15,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 19:03:15,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 19:03:15,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 19:03:15,566 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 19:03:15,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 19:03:15,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 19:03:15,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 19:03:15,972 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 19:03:15,972 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 19:03:15,973 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label08.c [2020-10-14 19:03:16,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/57f1a4790/09cc5d5ddbe94a09a628909f62fa82bf/FLAGabe7017ad [2020-10-14 19:03:16,638 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 19:03:16,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label08.c [2020-10-14 19:03:16,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/57f1a4790/09cc5d5ddbe94a09a628909f62fa82bf/FLAGabe7017ad [2020-10-14 19:03:16,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/57f1a4790/09cc5d5ddbe94a09a628909f62fa82bf [2020-10-14 19:03:16,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 19:03:16,979 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 19:03:16,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 19:03:16,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 19:03:16,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 19:03:16,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:03:16" (1/1) ... [2020-10-14 19:03:16,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d16da1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:16, skipping insertion in model container [2020-10-14 19:03:16,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:03:16" (1/1) ... [2020-10-14 19:03:16,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 19:03:17,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 19:03:17,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:03:17,685 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 19:03:17,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:03:17,833 INFO L208 MainTranslator]: Completed translation [2020-10-14 19:03:17,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:17 WrapperNode [2020-10-14 19:03:17,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 19:03:17,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 19:03:17,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 19:03:17,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 19:03:17,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:17" (1/1) ... [2020-10-14 19:03:17,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:17" (1/1) ... [2020-10-14 19:03:17,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:17" (1/1) ... [2020-10-14 19:03:17,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:17" (1/1) ... [2020-10-14 19:03:17,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:17" (1/1) ... [2020-10-14 19:03:17,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:17" (1/1) ... [2020-10-14 19:03:17,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:17" (1/1) ... [2020-10-14 19:03:17,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 19:03:17,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 19:03:17,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 19:03:17,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 19:03:17,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:17" (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 [2020-10-14 19:03:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 19:03:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 19:03:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 19:03:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 19:03:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 19:03:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 19:03:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 19:03:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 19:03:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 19:03:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 19:03:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 19:03:19,242 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 19:03:19,242 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 19:03:19,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:03:19 BoogieIcfgContainer [2020-10-14 19:03:19,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 19:03:19,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 19:03:19,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 19:03:19,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 19:03:19,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:03:16" (1/3) ... [2020-10-14 19:03:19,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdfc784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:03:19, skipping insertion in model container [2020-10-14 19:03:19,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:17" (2/3) ... [2020-10-14 19:03:19,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdfc784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:03:19, skipping insertion in model container [2020-10-14 19:03:19,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:03:19" (3/3) ... [2020-10-14 19:03:19,259 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label08.c [2020-10-14 19:03:19,271 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 19:03:19,280 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 19:03:19,295 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 19:03:19,322 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 19:03:19,323 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 19:03:19,323 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 19:03:19,323 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 19:03:19,323 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 19:03:19,323 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 19:03:19,323 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 19:03:19,324 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 19:03:19,354 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-14 19:03:19,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-14 19:03:19,380 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:03:19,381 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:03:19,382 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:03:19,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:03:19,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1920403729, now seen corresponding path program 1 times [2020-10-14 19:03:19,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:03:19,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [462750702] [2020-10-14 19:03:19,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:03:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:19,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:20,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:21,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:21,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 19:03:21,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:03:21,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1882 [2020-10-14 19:03:21,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:21,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:21,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:03:21,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:03:21,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-14 19:03:21,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 19:03:21,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:03:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:21,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:21,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:21,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:03:21,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:21,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 19:03:21,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:21,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:21,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:03:21,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:21,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:03:21,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:21,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:03:21,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [462750702] [2020-10-14 19:03:21,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 19:03:21,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 19:03:21,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905927762] [2020-10-14 19:03:21,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 19:03:21,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:03:21,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 19:03:21,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 19:03:21,869 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-10-14 19:03:23,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:03:23,323 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-10-14 19:03:23,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:03:23,325 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2020-10-14 19:03:23,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:03:23,344 INFO L225 Difference]: With dead ends: 557 [2020-10-14 19:03:23,345 INFO L226 Difference]: Without dead ends: 286 [2020-10-14 19:03:23,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:03:23,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-10-14 19:03:23,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-10-14 19:03:23,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-10-14 19:03:23,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 396 transitions. [2020-10-14 19:03:23,431 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 396 transitions. Word has length 119 [2020-10-14 19:03:23,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:03:23,432 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 396 transitions. [2020-10-14 19:03:23,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 19:03:23,433 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 396 transitions. [2020-10-14 19:03:23,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-14 19:03:23,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:03:23,437 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:03:23,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 19:03:23,440 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:03:23,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:03:23,440 INFO L82 PathProgramCache]: Analyzing trace with hash 226212146, now seen corresponding path program 1 times [2020-10-14 19:03:23,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:03:23,441 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [617445278] [2020-10-14 19:03:23,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:03:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:23,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:23,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:25,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:27,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:27,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 19:03:27,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:03:27,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3631 [2020-10-14 19:03:27,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:27,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:27,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:03:27,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 19:03:27,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 19:03:27,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:27,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:03:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:27,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:27,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:27,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:03:27,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:27,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:03:27,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:27,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:27,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:03:27,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:27,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:03:27,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:27,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:03:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:27,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:27,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:27,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 19:03:27,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:27,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 19:03:27,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:27,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:27,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:03:27,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:27,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 19:03:27,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:27,318 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:03:27,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [617445278] [2020-10-14 19:03:27,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:03:27,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:03:27,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959835239] [2020-10-14 19:03:27,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:03:27,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:03:27,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:03:27,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:03:27,323 INFO L87 Difference]: Start difference. First operand 280 states and 396 transitions. Second operand 5 states. [2020-10-14 19:03:28,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:03:28,605 INFO L93 Difference]: Finished difference Result 834 states and 1202 transitions. [2020-10-14 19:03:28,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:03:28,608 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2020-10-14 19:03:28,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:03:28,614 INFO L225 Difference]: With dead ends: 834 [2020-10-14 19:03:28,614 INFO L226 Difference]: Without dead ends: 560 [2020-10-14 19:03:28,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:03:28,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-14 19:03:28,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 419. [2020-10-14 19:03:28,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-10-14 19:03:28,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 576 transitions. [2020-10-14 19:03:28,652 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 576 transitions. Word has length 128 [2020-10-14 19:03:28,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:03:28,652 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 576 transitions. [2020-10-14 19:03:28,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:03:28,653 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 576 transitions. [2020-10-14 19:03:28,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-14 19:03:28,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:03:28,656 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:03:28,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 19:03:28,657 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:03:28,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:03:28,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1286255682, now seen corresponding path program 1 times [2020-10-14 19:03:28,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:03:28,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2048149773] [2020-10-14 19:03:28,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:03:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:28,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:28,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:29,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:30,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:30,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-14 19:03:30,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:03:30,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1377 [2020-10-14 19:03:30,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:30,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:30,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:03:30,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 19:03:30,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 19:03:30,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:30,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:03:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:30,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:30,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:30,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:03:30,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:30,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 19:03:30,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:30,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:30,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:03:30,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:30,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:03:30,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 19:03:30,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:03:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:30,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:30,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:30,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 19:03:30,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:30,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 19:03:30,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:30,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:30,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:03:30,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:30,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 19:03:30,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:30,326 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:03:30,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2048149773] [2020-10-14 19:03:30,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:03:30,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:03:30,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747983693] [2020-10-14 19:03:30,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:03:30,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:03:30,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:03:30,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:03:30,330 INFO L87 Difference]: Start difference. First operand 419 states and 576 transitions. Second operand 5 states. [2020-10-14 19:03:31,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:03:31,361 INFO L93 Difference]: Finished difference Result 1247 states and 1758 transitions. [2020-10-14 19:03:31,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:03:31,363 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-10-14 19:03:31,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:03:31,372 INFO L225 Difference]: With dead ends: 1247 [2020-10-14 19:03:31,372 INFO L226 Difference]: Without dead ends: 834 [2020-10-14 19:03:31,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:03:31,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-10-14 19:03:31,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 830. [2020-10-14 19:03:31,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2020-10-14 19:03:31,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1119 transitions. [2020-10-14 19:03:31,465 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1119 transitions. Word has length 136 [2020-10-14 19:03:31,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:03:31,467 INFO L479 AbstractCegarLoop]: Abstraction has 830 states and 1119 transitions. [2020-10-14 19:03:31,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:03:31,468 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1119 transitions. [2020-10-14 19:03:31,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-14 19:03:31,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:03:31,483 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 19:03:31,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 19:03:31,484 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:03:31,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:03:31,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1868395596, now seen corresponding path program 1 times [2020-10-14 19:03:31,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:03:31,487 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1547418705] [2020-10-14 19:03:31,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:03:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:31,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:31,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:32,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:32,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:32,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:32,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-14 19:03:32,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 19:03:32,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1453 [2020-10-14 19:03:32,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:32,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:32,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:03:32,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-14 19:03:32,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 19:03:32,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:33,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:03:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:33,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:33,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:33,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:03:33,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:33,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:03:33,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:33,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:33,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:03:33,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:33,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:03:33,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:33,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:03:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:33,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:33,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:33,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 19:03:33,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:33,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 19:03:33,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:33,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:33,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:03:33,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:33,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 19:03:33,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:33,166 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:03:33,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1547418705] [2020-10-14 19:03:33,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:03:33,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:03:33,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011277304] [2020-10-14 19:03:33,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:03:33,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:03:33,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:03:33,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:03:33,170 INFO L87 Difference]: Start difference. First operand 830 states and 1119 transitions. Second operand 5 states. [2020-10-14 19:03:34,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:03:34,206 INFO L93 Difference]: Finished difference Result 2337 states and 3231 transitions. [2020-10-14 19:03:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:03:34,207 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2020-10-14 19:03:34,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:03:34,217 INFO L225 Difference]: With dead ends: 2337 [2020-10-14 19:03:34,217 INFO L226 Difference]: Without dead ends: 1513 [2020-10-14 19:03:34,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:03:34,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2020-10-14 19:03:34,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1378. [2020-10-14 19:03:34,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1378 states. [2020-10-14 19:03:34,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 1827 transitions. [2020-10-14 19:03:34,278 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 1827 transitions. Word has length 139 [2020-10-14 19:03:34,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:03:34,278 INFO L479 AbstractCegarLoop]: Abstraction has 1378 states and 1827 transitions. [2020-10-14 19:03:34,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:03:34,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1827 transitions. [2020-10-14 19:03:34,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-14 19:03:34,285 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:03:34,286 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:03:34,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 19:03:34,286 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:03:34,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:03:34,287 INFO L82 PathProgramCache]: Analyzing trace with hash -437705521, now seen corresponding path program 1 times [2020-10-14 19:03:34,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:03:34,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187957854] [2020-10-14 19:03:34,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:03:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:34,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:34,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:34,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:35,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:36,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:36,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-14 19:03:36,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 19:03:36,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2199 [2020-10-14 19:03:36,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:36,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:03:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-14 19:03:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 19:03:36,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:36,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:03:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:36,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:36,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:36,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:03:36,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:36,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:03:36,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:36,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:36,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:03:36,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:36,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:03:36,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:36,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:03:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:36,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:36,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:36,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 19:03:36,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:36,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:03:36,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:36,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:36,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:03:36,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:36,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:03:36,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:36,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 19:03:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:36,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:36,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:36,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 19:03:36,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:36,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 19:03:36,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:36,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:36,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:03:36,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:36,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-14 19:03:36,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:36,766 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 49 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 19:03:36,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187957854] [2020-10-14 19:03:36,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:03:36,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:03:36,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357264444] [2020-10-14 19:03:36,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:03:36,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:03:36,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:03:36,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:03:36,770 INFO L87 Difference]: Start difference. First operand 1378 states and 1827 transitions. Second operand 5 states. [2020-10-14 19:03:37,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:03:37,856 INFO L93 Difference]: Finished difference Result 3987 states and 5355 transitions. [2020-10-14 19:03:37,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:03:37,857 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 173 [2020-10-14 19:03:37,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:03:37,881 INFO L225 Difference]: With dead ends: 3987 [2020-10-14 19:03:37,881 INFO L226 Difference]: Without dead ends: 2615 [2020-10-14 19:03:37,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:03:37,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2615 states. [2020-10-14 19:03:37,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2615 to 2071. [2020-10-14 19:03:37,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2071 states. [2020-10-14 19:03:37,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2737 transitions. [2020-10-14 19:03:37,995 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2737 transitions. Word has length 173 [2020-10-14 19:03:37,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:03:37,996 INFO L479 AbstractCegarLoop]: Abstraction has 2071 states and 2737 transitions. [2020-10-14 19:03:37,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:03:37,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2737 transitions. [2020-10-14 19:03:38,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-14 19:03:38,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:03:38,004 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:03:38,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 19:03:38,004 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:03:38,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:03:38,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1466650285, now seen corresponding path program 1 times [2020-10-14 19:03:38,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:03:38,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037759613] [2020-10-14 19:03:38,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:03:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:38,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:38,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:38,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:39,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:40,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:40,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-14 19:03:40,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 19:03:40,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2742 [2020-10-14 19:03:40,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:40,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:40,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:03:40,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-14 19:03:40,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 19:03:40,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:03:40,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:03:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:40,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:40,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:40,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:03:40,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:40,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:03:40,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:40,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:40,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:03:40,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:40,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:03:40,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:40,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:03:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:40,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:40,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:40,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 19:03:40,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:40,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:03:40,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:40,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:40,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:03:40,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:40,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:03:40,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:40,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 19:03:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:40,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:41,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:41,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 19:03:41,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:41,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 19:03:41,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:41,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:41,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:03:41,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:41,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-14 19:03:41,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:41,177 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 19:03:41,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037759613] [2020-10-14 19:03:41,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:03:41,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:03:41,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560961967] [2020-10-14 19:03:41,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:03:41,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:03:41,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:03:41,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:03:41,182 INFO L87 Difference]: Start difference. First operand 2071 states and 2737 transitions. Second operand 5 states. [2020-10-14 19:03:42,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:03:42,746 INFO L93 Difference]: Finished difference Result 4825 states and 6452 transitions. [2020-10-14 19:03:42,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:03:42,747 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 175 [2020-10-14 19:03:42,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:03:42,763 INFO L225 Difference]: With dead ends: 4825 [2020-10-14 19:03:42,763 INFO L226 Difference]: Without dead ends: 2075 [2020-10-14 19:03:42,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:03:42,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2075 states. [2020-10-14 19:03:42,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2075 to 2069. [2020-10-14 19:03:42,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2069 states. [2020-10-14 19:03:42,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2644 transitions. [2020-10-14 19:03:42,867 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2644 transitions. Word has length 175 [2020-10-14 19:03:42,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:03:42,868 INFO L479 AbstractCegarLoop]: Abstraction has 2069 states and 2644 transitions. [2020-10-14 19:03:42,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:03:42,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2644 transitions. [2020-10-14 19:03:42,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-14 19:03:42,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:03:42,877 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 19:03:42,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 19:03:42,877 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:03:42,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:03:42,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1340174780, now seen corresponding path program 1 times [2020-10-14 19:03:42,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:03:42,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [766145280] [2020-10-14 19:03:42,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:03:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:42,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:42,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:43,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:43,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:43,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:46,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:47,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:47,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-14 19:03:47,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 19:03:47,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 19:03:47,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:47,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:47,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:03:47,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-14 19:03:47,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 19:03:47,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:48,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:03:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:48,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:48,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:48,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:03:48,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:48,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:03:48,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:48,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:48,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:03:48,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:48,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:03:48,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:03:48,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:03:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:48,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:48,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:48,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 19:03:48,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:48,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:03:48,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:48,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:48,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:03:48,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:48,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:03:48,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 19:03:48,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 19:03:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:48,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:48,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:48,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 19:03:48,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:48,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:03:48,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:48,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:48,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:03:48,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:48,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:03:48,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:48,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 19:03:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:48,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:48,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:48,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-14 19:03:48,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:48,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 19:03:48,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:48,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:03:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:48,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 19:03:48,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:48,352 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 83 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-14 19:03:48,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [766145280] [2020-10-14 19:03:48,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:03:48,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:03:48,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025281655] [2020-10-14 19:03:48,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:03:48,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:03:48,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:03:48,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:03:48,356 INFO L87 Difference]: Start difference. First operand 2069 states and 2644 transitions. Second operand 5 states. [2020-10-14 19:03:49,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:03:49,498 INFO L93 Difference]: Finished difference Result 4273 states and 5493 transitions. [2020-10-14 19:03:49,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:03:49,499 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 208 [2020-10-14 19:03:49,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:03:49,500 INFO L225 Difference]: With dead ends: 4273 [2020-10-14 19:03:49,500 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 19:03:49,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:03:49,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 19:03:49,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 19:03:49,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 19:03:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 19:03:49,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 208 [2020-10-14 19:03:49,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:03:49,517 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 19:03:49,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:03:49,518 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 19:03:49,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 19:03:49,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 19:03:49,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 19:03:50,000 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 14 [2020-10-14 19:03:50,106 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 14 [2020-10-14 19:03:50,592 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 43 [2020-10-14 19:03:50,689 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:03:50,689 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-14 19:03:50,689 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:03:50,690 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-10-14 19:03:50,690 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-10-14 19:03:50,690 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,690 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,690 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,690 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,691 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,691 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,691 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-10-14 19:03:50,691 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-10-14 19:03:50,691 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-10-14 19:03:50,691 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-10-14 19:03:50,691 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-10-14 19:03:50,691 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-10-14 19:03:50,692 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-10-14 19:03:50,692 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-10-14 19:03:50,692 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-10-14 19:03:50,692 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-10-14 19:03:50,692 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,692 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,692 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,693 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,693 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,693 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,693 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-10-14 19:03:50,693 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-10-14 19:03:50,693 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-10-14 19:03:50,693 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-10-14 19:03:50,694 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-10-14 19:03:50,694 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-10-14 19:03:50,694 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-10-14 19:03:50,694 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-10-14 19:03:50,694 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-10-14 19:03:50,694 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-10-14 19:03:50,694 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-10-14 19:03:50,695 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 515) no Hoare annotation was computed. [2020-10-14 19:03:50,695 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-10-14 19:03:50,695 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-10-14 19:03:50,695 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-10-14 19:03:50,695 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-10-14 19:03:50,695 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,695 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,696 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,696 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,696 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,696 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-10-14 19:03:50,696 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-10-14 19:03:50,696 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-10-14 19:03:50,696 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-10-14 19:03:50,696 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-10-14 19:03:50,697 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-10-14 19:03:50,697 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-10-14 19:03:50,697 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-10-14 19:03:50,697 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-10-14 19:03:50,697 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,697 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,697 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,698 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,698 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,698 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-10-14 19:03:50,698 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-10-14 19:03:50,698 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-10-14 19:03:50,698 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-10-14 19:03:50,699 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-10-14 19:03:50,699 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-10-14 19:03:50,699 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-10-14 19:03:50,699 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-10-14 19:03:50,699 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-10-14 19:03:50,699 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-10-14 19:03:50,699 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-10-14 19:03:50,699 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-10-14 19:03:50,700 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-10-14 19:03:50,700 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,700 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,700 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,700 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,700 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,700 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-10-14 19:03:50,700 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-10-14 19:03:50,701 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-10-14 19:03:50,701 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-10-14 19:03:50,701 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-10-14 19:03:50,701 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-10-14 19:03:50,701 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-10-14 19:03:50,701 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-10-14 19:03:50,701 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-10-14 19:03:50,702 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,702 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,702 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,702 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,702 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,702 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,702 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-10-14 19:03:50,702 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,703 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-10-14 19:03:50,703 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-10-14 19:03:50,703 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-10-14 19:03:50,703 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-10-14 19:03:50,703 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-10-14 19:03:50,703 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-10-14 19:03:50,703 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-10-14 19:03:50,703 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-10-14 19:03:50,704 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-10-14 19:03:50,704 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-10-14 19:03:50,704 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-10-14 19:03:50,704 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-10-14 19:03:50,704 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-10-14 19:03:50,704 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,704 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,704 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,705 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,705 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,705 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-10-14 19:03:50,705 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-10-14 19:03:50,705 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-10-14 19:03:50,705 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-10-14 19:03:50,705 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-10-14 19:03:50,706 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-10-14 19:03:50,706 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-10-14 19:03:50,706 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-10-14 19:03:50,706 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,706 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,706 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,706 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,707 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,707 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-10-14 19:03:50,707 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-10-14 19:03:50,707 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-10-14 19:03:50,707 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-10-14 19:03:50,707 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-10-14 19:03:50,707 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-10-14 19:03:50,708 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-10-14 19:03:50,708 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-10-14 19:03:50,708 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-10-14 19:03:50,708 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-10-14 19:03:50,708 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a20~0 |old(~a20~0)|)) (.cse4 (= ~a16~0 |old(~a16~0)|)) (.cse5 (= ~a8~0 |old(~a8~0)|))) (let ((.cse6 (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~a8~0 15)) (not (= 15 |old(~a8~0)|))) (or (not (= |old(~a17~0)| 1)) (and .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a17~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= 14 ~a8~0) .cse4) (not (= 14 |old(~a8~0)|))) (or .cse6 (= |old(~a7~0)| 1)) (or (not (= |old(~a20~0)| 1)) .cse6)))) [2020-10-14 19:03:50,708 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-10-14 19:03:50,709 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,709 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,709 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,709 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,709 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-10-14 19:03:50,709 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,709 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,709 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-10-14 19:03:50,710 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-10-14 19:03:50,710 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-10-14 19:03:50,710 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-10-14 19:03:50,710 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-10-14 19:03:50,710 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-10-14 19:03:50,710 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-10-14 19:03:50,710 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-10-14 19:03:50,710 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-10-14 19:03:50,711 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-10-14 19:03:50,711 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-10-14 19:03:50,711 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-10-14 19:03:50,711 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,711 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,711 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,711 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,711 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,711 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-10-14 19:03:50,712 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,712 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-10-14 19:03:50,712 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-10-14 19:03:50,712 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-10-14 19:03:50,712 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-10-14 19:03:50,712 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-10-14 19:03:50,712 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-10-14 19:03:50,712 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-10-14 19:03:50,712 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-10-14 19:03:50,713 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-10-14 19:03:50,713 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-10-14 19:03:50,713 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-10-14 19:03:50,713 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-10-14 19:03:50,713 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-10-14 19:03:50,713 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-10-14 19:03:50,713 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,713 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,714 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,714 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,714 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,714 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:03:50,714 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-10-14 19:03:50,714 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-10-14 19:03:50,714 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-10-14 19:03:50,714 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-10-14 19:03:50,714 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-10-14 19:03:50,715 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-10-14 19:03:50,715 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-10-14 19:03:50,715 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-10-14 19:03:50,715 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-10-14 19:03:50,715 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-10-14 19:03:50,715 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:03:50,715 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a8~0 15) (= ~a20~0 1) (= ~a7~0 0) (= ~a17~0 1)) [2020-10-14 19:03:50,715 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 19:03:50,716 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:03:50,716 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 15) (= ~a17~0 1)) (not (= 15 |old(~a8~0)|)) (not (= |old(~a7~0)| 0))) [2020-10-14 19:03:50,716 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-10-14 19:03:50,716 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (= 14 ~a8~0) (not (= |old(~a20~0)| 1)) (= ~a8~0 15) (= ~a20~0 1) (not (= ~a7~0 1)) (not (= 15 |old(~a8~0)|)) (not (= |old(~a7~0)| 0)) (= ~a17~0 1)) [2020-10-14 19:03:50,716 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-10-14 19:03:50,716 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-14 19:03:50,716 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (= 14 ~a8~0) (not (= |old(~a20~0)| 1)) (= ~a8~0 15) (= ~a20~0 1) (not (= ~a7~0 1)) (not (= 15 |old(~a8~0)|)) (not (= |old(~a7~0)| 0)) (= ~a17~0 1)) [2020-10-14 19:03:50,717 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-10-14 19:03:50,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:03:50 BoogieIcfgContainer [2020-10-14 19:03:50,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 19:03:50,740 INFO L168 Benchmark]: Toolchain (without parser) took 33761.35 ms. Allocated memory was 147.3 MB in the beginning and 687.3 MB in the end (delta: 540.0 MB). Free memory was 102.3 MB in the beginning and 180.9 MB in the end (delta: -78.6 MB). Peak memory consumption was 461.4 MB. Max. memory is 7.1 GB. [2020-10-14 19:03:50,741 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 19:03:50,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 853.98 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 101.8 MB in the beginning and 169.1 MB in the end (delta: -67.3 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. [2020-10-14 19:03:50,743 INFO L168 Benchmark]: Boogie Preprocessor took 128.45 ms. Allocated memory is still 203.9 MB. Free memory was 169.1 MB in the beginning and 164.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-14 19:03:50,744 INFO L168 Benchmark]: RCFGBuilder took 1285.75 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 164.1 MB in the beginning and 174.6 MB in the end (delta: -10.5 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. [2020-10-14 19:03:50,745 INFO L168 Benchmark]: TraceAbstraction took 31487.80 ms. Allocated memory was 237.0 MB in the beginning and 687.3 MB in the end (delta: 450.4 MB). Free memory was 174.6 MB in the beginning and 180.9 MB in the end (delta: -6.2 MB). Peak memory consumption was 444.1 MB. Max. memory is 7.1 GB. [2020-10-14 19:03:50,749 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 853.98 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 101.8 MB in the beginning and 169.1 MB in the end (delta: -67.3 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.45 ms. Allocated memory is still 203.9 MB. Free memory was 169.1 MB in the beginning and 164.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1285.75 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 164.1 MB in the beginning and 174.6 MB in the end (delta: -10.5 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31487.80 ms. Allocated memory was 237.0 MB in the beginning and 687.3 MB in the end (delta: 450.4 MB). Free memory was 174.6 MB in the beginning and 180.9 MB in the end (delta: -6.2 MB). Peak memory consumption was 444.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 515]: 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: 583]: Loop Invariant Derived loop invariant: (((((((!(\old(a17) == 1) || 14 == a8) || !(\old(a20) == 1)) || a8 == 15) || a20 == 1) || !(a7 == 1)) || !(15 == \old(a8))) || !(\old(a7) == 0)) || a17 == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.1s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 165 SDtfs, 1952 SDslu, 121 SDs, 0 SdLazy, 4119 SolverSat, 547 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2071occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 836 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 80 PreInvPairs, 124 NumberOfFragments, 294 HoareAnnotationTreeSize, 80 FomulaSimplifications, 24499 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1947 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 19.8s InterpolantComputationTime, 1078 NumberOfCodeBlocks, 1078 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1071 ConstructedInterpolants, 0 QuantifiedInterpolants, 532283 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 269/279 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...