/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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 language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:07:15,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:07:15,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:07:15,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:07:15,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:07:15,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:07:15,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:07:15,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:07:15,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:07:15,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:07:15,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:07:15,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:07:15,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:07:15,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:07:15,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:07:15,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:07:15,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:07:15,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:07:15,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:07:15,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:07:15,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:07:15,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:07:15,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:07:15,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:07:15,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:07:15,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:07:15,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:07:15,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:07:15,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:07:15,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:07:15,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:07:15,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:07:15,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:07:15,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:07:15,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:07:15,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:07:15,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:07:15,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:07:15,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:07:15,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:07:15,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:07:15,713 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 [2020-10-28 10:07:15,775 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:07:15,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:07:15,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:07:15,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:07:15,781 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:07:15,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:07:15,782 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:07:15,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:07:15,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:07:15,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:07:15,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:07:15,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:07:15,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:07:15,785 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:07:15,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:07:15,785 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:07:15,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:07:15,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:07:15,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:07:15,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:07:15,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:07:15,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:07:15,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:07:15,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:07:15,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:07:15,788 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:07:15,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:07:15,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:07:15,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:07:15,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:07:16,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:07:16,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:07:16,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:07:16,307 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:07:16,308 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:07:16,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label25.c [2020-10-28 10:07:16,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87a4466e4/3a900fe18d5046159ea75f9e48125636/FLAG98defbdd4 [2020-10-28 10:07:17,305 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:07:17,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label25.c [2020-10-28 10:07:17,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87a4466e4/3a900fe18d5046159ea75f9e48125636/FLAG98defbdd4 [2020-10-28 10:07:17,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87a4466e4/3a900fe18d5046159ea75f9e48125636 [2020-10-28 10:07:17,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:07:17,536 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:07:17,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:07:17,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:07:17,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:07:17,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:07:17" (1/1) ... [2020-10-28 10:07:17,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2c210a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:17, skipping insertion in model container [2020-10-28 10:07:17,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:07:17" (1/1) ... [2020-10-28 10:07:17,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:07:17,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:07:18,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:07:18,231 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:07:18,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:07:18,431 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:07:18,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18 WrapperNode [2020-10-28 10:07:18,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:07:18,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:07:18,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:07:18,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:07:18,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:07:18,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:07:18,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:07:18,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:07:18,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (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 [2020-10-28 10:07:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:07:18,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:07:18,694 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:07:18,694 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:07:18,694 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:07:18,694 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:07:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:07:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:07:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:07:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:07:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:07:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:07:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:07:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:07:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:07:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:07:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:07:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:07:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:07:20,171 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:07:20,172 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:07:20,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:07:20 BoogieIcfgContainer [2020-10-28 10:07:20,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:07:20,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:07:20,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:07:20,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:07:20,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:07:17" (1/3) ... [2020-10-28 10:07:20,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe1fc9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:07:20, skipping insertion in model container [2020-10-28 10:07:20,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (2/3) ... [2020-10-28 10:07:20,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe1fc9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:07:20, skipping insertion in model container [2020-10-28 10:07:20,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:07:20" (3/3) ... [2020-10-28 10:07:20,183 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label25.c [2020-10-28 10:07:20,195 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:07:20,201 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:07:20,216 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:07:20,247 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:07:20,247 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:07:20,247 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:07:20,247 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:07:20,247 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:07:20,247 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:07:20,248 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:07:20,248 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:07:20,271 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-28 10:07:20,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-28 10:07:20,285 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:20,286 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:07:20,287 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:20,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:20,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1641458487, now seen corresponding path program 1 times [2020-10-28 10:07:20,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:20,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2072247278] [2020-10-28 10:07:20,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:20,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:21,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:22,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:22,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-28 10:07:22,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:07:22,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2080 [2020-10-28 10:07:22,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:22,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:22,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:07:22,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:07:22,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-28 10:07:22,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 10:07:23,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:23,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:23,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:23,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:23,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:23,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 10:07:23,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:23,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:07:23,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:23,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:07:23,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2072247278] [2020-10-28 10:07:23,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:07:23,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:07:23,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712608048] [2020-10-28 10:07:23,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:07:23,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:23,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:07:23,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:07:23,223 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 4 states. [2020-10-28 10:07:25,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:25,026 INFO L93 Difference]: Finished difference Result 562 states and 962 transitions. [2020-10-28 10:07:25,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:07:25,028 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2020-10-28 10:07:25,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:25,044 INFO L225 Difference]: With dead ends: 562 [2020-10-28 10:07:25,044 INFO L226 Difference]: Without dead ends: 287 [2020-10-28 10:07:25,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:07:25,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-28 10:07:25,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 281. [2020-10-28 10:07:25,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-28 10:07:25,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 385 transitions. [2020-10-28 10:07:25,158 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 385 transitions. Word has length 126 [2020-10-28 10:07:25,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:25,159 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 385 transitions. [2020-10-28 10:07:25,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:07:25,160 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 385 transitions. [2020-10-28 10:07:25,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-28 10:07:25,165 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:25,166 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:07:25,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:07:25,166 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:25,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:25,167 INFO L82 PathProgramCache]: Analyzing trace with hash 57501546, now seen corresponding path program 1 times [2020-10-28 10:07:25,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:25,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1522214541] [2020-10-28 10:07:25,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:25,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:25,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:27,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:29,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:29,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-28 10:07:29,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:07:29,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4324 [2020-10-28 10:07:29,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:29,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:29,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:07:29,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 10:07:29,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-28 10:07:29,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:29,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:29,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:29,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:29,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:29,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:29,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 10:07:29,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:29,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:07:29,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:29,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:07:29,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:29,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:07:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:29,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:29,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:29,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 10:07:29,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:29,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 10:07:29,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:29,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:29,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:29,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:29,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 10:07:29,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:29,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:07:29,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1522214541] [2020-10-28 10:07:29,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:07:29,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:07:29,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213372190] [2020-10-28 10:07:29,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:07:29,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:29,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:07:29,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:07:29,830 INFO L87 Difference]: Start difference. First operand 281 states and 385 transitions. Second operand 5 states. [2020-10-28 10:07:30,087 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:07:31,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:31,689 INFO L93 Difference]: Finished difference Result 836 states and 1168 transitions. [2020-10-28 10:07:31,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:07:31,695 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2020-10-28 10:07:31,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:31,702 INFO L225 Difference]: With dead ends: 836 [2020-10-28 10:07:31,702 INFO L226 Difference]: Without dead ends: 561 [2020-10-28 10:07:31,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:07:31,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-10-28 10:07:31,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 557. [2020-10-28 10:07:31,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2020-10-28 10:07:31,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 733 transitions. [2020-10-28 10:07:31,756 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 733 transitions. Word has length 135 [2020-10-28 10:07:31,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:31,757 INFO L481 AbstractCegarLoop]: Abstraction has 557 states and 733 transitions. [2020-10-28 10:07:31,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:07:31,757 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 733 transitions. [2020-10-28 10:07:31,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-28 10:07:31,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:31,763 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:07:31,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:07:31,763 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:31,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:31,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1638043642, now seen corresponding path program 1 times [2020-10-28 10:07:31,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:31,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [132531019] [2020-10-28 10:07:31,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:31,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:32,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:32,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:32,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-28 10:07:32,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:07:32,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 409 [2020-10-28 10:07:32,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:32,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:32,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:07:32,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 10:07:32,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-28 10:07:32,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:32,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:32,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:32,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:32,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:32,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:32,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:07:32,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:32,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:32,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:07:32,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:32,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:07:32,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:32,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:07:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:32,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:32,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:32,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 10:07:32,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:32,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 10:07:32,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:32,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:32,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:32,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:32,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 10:07:32,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:32,563 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:07:32,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [132531019] [2020-10-28 10:07:32,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:07:32,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 10:07:32,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133328293] [2020-10-28 10:07:32,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 10:07:32,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:32,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 10:07:32,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:07:32,570 INFO L87 Difference]: Start difference. First operand 557 states and 733 transitions. Second operand 6 states. [2020-10-28 10:07:34,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:34,928 INFO L93 Difference]: Finished difference Result 1386 states and 1881 transitions. [2020-10-28 10:07:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:07:34,929 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2020-10-28 10:07:34,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:34,939 INFO L225 Difference]: With dead ends: 1386 [2020-10-28 10:07:34,940 INFO L226 Difference]: Without dead ends: 835 [2020-10-28 10:07:34,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:07:34,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2020-10-28 10:07:34,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 831. [2020-10-28 10:07:34,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2020-10-28 10:07:35,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1097 transitions. [2020-10-28 10:07:35,001 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1097 transitions. Word has length 137 [2020-10-28 10:07:35,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:35,002 INFO L481 AbstractCegarLoop]: Abstraction has 831 states and 1097 transitions. [2020-10-28 10:07:35,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 10:07:35,003 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1097 transitions. [2020-10-28 10:07:35,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-28 10:07:35,008 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:35,008 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:07:35,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:07:35,009 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:35,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:35,009 INFO L82 PathProgramCache]: Analyzing trace with hash 306098139, now seen corresponding path program 1 times [2020-10-28 10:07:35,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:35,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [514542868] [2020-10-28 10:07:35,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:35,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:35,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:37,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:39,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:39,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-28 10:07:39,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:07:39,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4103 [2020-10-28 10:07:39,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:39,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:39,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:07:39,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-28 10:07:39,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-28 10:07:39,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:39,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:39,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:39,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:39,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:39,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:39,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 10:07:39,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:39,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:39,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:07:39,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:39,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:07:39,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:39,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:07:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:39,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:39,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:39,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 10:07:39,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:39,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 10:07:39,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:39,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:39,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:39,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:39,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 10:07:39,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:39,522 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:07:39,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [514542868] [2020-10-28 10:07:39,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:07:39,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 10:07:39,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808526125] [2020-10-28 10:07:39,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 10:07:39,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:39,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 10:07:39,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:07:39,525 INFO L87 Difference]: Start difference. First operand 831 states and 1097 transitions. Second operand 6 states. [2020-10-28 10:07:39,770 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:07:40,227 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-28 10:07:41,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:41,997 INFO L93 Difference]: Finished difference Result 3171 states and 4325 transitions. [2020-10-28 10:07:41,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:07:41,998 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2020-10-28 10:07:41,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:42,013 INFO L225 Difference]: With dead ends: 3171 [2020-10-28 10:07:42,013 INFO L226 Difference]: Without dead ends: 2346 [2020-10-28 10:07:42,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:07:42,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2346 states. [2020-10-28 10:07:42,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2346 to 2338. [2020-10-28 10:07:42,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2338 states. [2020-10-28 10:07:42,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 2338 states and 3000 transitions. [2020-10-28 10:07:42,117 INFO L78 Accepts]: Start accepts. Automaton has 2338 states and 3000 transitions. Word has length 156 [2020-10-28 10:07:42,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:42,118 INFO L481 AbstractCegarLoop]: Abstraction has 2338 states and 3000 transitions. [2020-10-28 10:07:42,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 10:07:42,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 3000 transitions. [2020-10-28 10:07:42,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-28 10:07:42,127 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:42,128 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:07:42,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:07:42,128 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:42,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:42,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1615200188, now seen corresponding path program 1 times [2020-10-28 10:07:42,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:42,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1318228267] [2020-10-28 10:07:42,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:42,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:42,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:42,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:45,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:46,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:47,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:47,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-28 10:07:47,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 10:07:47,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-28 10:07:47,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:47,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:47,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:07:47,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 10:07:47,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-28 10:07:47,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:47,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:47,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:47,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:47,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:47,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:47,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 10:07:47,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:47,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:47,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:07:47,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:47,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:07:47,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:47,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:07:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:47,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:47,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:47,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 10:07:47,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:47,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 10:07:47,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:47,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:47,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:47,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:47,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 10:07:47,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 10:07:47,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 10:07:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:47,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:47,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:47,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:47,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 10:07:47,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:07:47,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-28 10:07:47,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:47,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:07:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:07:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 10:07:47,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:47,607 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 10:07:47,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1318228267] [2020-10-28 10:07:47,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:07:47,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 10:07:47,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336389364] [2020-10-28 10:07:47,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 10:07:47,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:47,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 10:07:47,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:07:47,611 INFO L87 Difference]: Start difference. First operand 2338 states and 3000 transitions. Second operand 7 states. [2020-10-28 10:07:47,857 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:07:49,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:49,379 INFO L93 Difference]: Finished difference Result 5836 states and 7909 transitions. [2020-10-28 10:07:49,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 10:07:49,380 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 165 [2020-10-28 10:07:49,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:49,411 INFO L225 Difference]: With dead ends: 5836 [2020-10-28 10:07:49,411 INFO L226 Difference]: Without dead ends: 3504 [2020-10-28 10:07:49,420 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:07:49,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3504 states. [2020-10-28 10:07:49,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3504 to 2769. [2020-10-28 10:07:49,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2769 states. [2020-10-28 10:07:49,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 3567 transitions. [2020-10-28 10:07:49,578 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 3567 transitions. Word has length 165 [2020-10-28 10:07:49,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:49,578 INFO L481 AbstractCegarLoop]: Abstraction has 2769 states and 3567 transitions. [2020-10-28 10:07:49,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 10:07:49,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3567 transitions. [2020-10-28 10:07:49,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-28 10:07:49,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:49,589 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 10:07:49,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 10:07:49,590 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:49,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:49,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1701051993, now seen corresponding path program 1 times [2020-10-28 10:07:49,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:49,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359584363] [2020-10-28 10:07:49,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:49,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:49,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:49,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:54,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:54,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:54,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-28 10:07:54,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:07:54,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 10:07:54,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:54,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:54,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:07:54,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:07:54,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 10:07:54,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:54,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:54,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:54,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:54,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:54,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:54,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 10:07:54,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:54,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:54,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:07:54,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 10:07:54,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:07:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:54,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:54,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:54,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 10:07:54,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:54,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 10:07:54,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:54,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:54,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:07:54,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:07:54,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 10:07:54,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:54,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 10:07:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:54,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:54,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:54,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 10:07:54,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:54,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 10:07:54,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:54,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:54,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:07:54,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 10:07:54,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:07:54,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:55,002 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 10:07:55,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359584363] [2020-10-28 10:07:55,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:07:55,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 10:07:55,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795277281] [2020-10-28 10:07:55,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 10:07:55,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:55,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 10:07:55,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:07:55,007 INFO L87 Difference]: Start difference. First operand 2769 states and 3567 transitions. Second operand 7 states. [2020-10-28 10:07:56,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:56,830 INFO L93 Difference]: Finished difference Result 4903 states and 6439 transitions. [2020-10-28 10:07:56,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 10:07:56,831 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 180 [2020-10-28 10:07:56,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:56,846 INFO L225 Difference]: With dead ends: 4903 [2020-10-28 10:07:56,846 INFO L226 Difference]: Without dead ends: 2275 [2020-10-28 10:07:56,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 10:07:56,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2275 states. [2020-10-28 10:07:56,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2275 to 1975. [2020-10-28 10:07:56,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1975 states. [2020-10-28 10:07:56,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 2457 transitions. [2020-10-28 10:07:56,947 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 2457 transitions. Word has length 180 [2020-10-28 10:07:56,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:56,947 INFO L481 AbstractCegarLoop]: Abstraction has 1975 states and 2457 transitions. [2020-10-28 10:07:56,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 10:07:56,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2457 transitions. [2020-10-28 10:07:56,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-28 10:07:56,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:56,956 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 10:07:56,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 10:07:56,956 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:56,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:56,957 INFO L82 PathProgramCache]: Analyzing trace with hash 828104209, now seen corresponding path program 1 times [2020-10-28 10:07:56,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:56,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1418149563] [2020-10-28 10:07:56,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:57,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:57,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:57,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:01,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:01,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:01,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-28 10:08:01,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:08:02,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 10:08:02,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:02,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:02,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:08:02,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-28 10:08:02,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-28 10:08:02,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:08:02,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:08:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:02,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:02,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:02,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:08:02,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:08:02,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 10:08:02,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:02,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:02,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:08:02,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:08:02,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:08:02,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:08:02,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:08:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:02,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:02,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:02,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 10:08:02,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:08:02,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 10:08:02,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:02,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:08:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:08:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:08:02,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:08:02,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 10:08:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:02,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:02,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:08:02,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 10:08:02,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:08:02,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 10:08:02,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:08:02,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:08:02,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:08:02,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:08:02,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 10:08:02,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:08:02,407 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-28 10:08:02,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1418149563] [2020-10-28 10:08:02,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:08:02,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:08:02,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896474874] [2020-10-28 10:08:02,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:08:02,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:08:02,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:08:02,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:08:02,411 INFO L87 Difference]: Start difference. First operand 1975 states and 2457 transitions. Second operand 5 states. [2020-10-28 10:08:02,689 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-28 10:08:04,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:08:04,035 INFO L93 Difference]: Finished difference Result 4348 states and 5410 transitions. [2020-10-28 10:08:04,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:08:04,040 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 184 [2020-10-28 10:08:04,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:08:04,041 INFO L225 Difference]: With dead ends: 4348 [2020-10-28 10:08:04,042 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:08:04,051 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:08:04,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:08:04,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:08:04,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:08:04,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:08:04,052 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 184 [2020-10-28 10:08:04,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:08:04,052 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:08:04,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:08:04,053 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:08:04,053 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:08:04,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 10:08:04,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:08:04,620 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 112 [2020-10-28 10:08:04,732 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 112 [2020-10-28 10:08:05,885 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 50 [2020-10-28 10:08:06,066 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 39 [2020-10-28 10:08:06,308 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 39 [2020-10-28 10:08:06,473 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2020-10-28 10:08:06,477 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:08:06,477 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:08:06,477 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:08:06,478 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:08:06,478 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:08:06,478 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-28 10:08:06,478 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:08:06,478 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,479 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,479 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,479 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,479 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,479 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,479 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-28 10:08:06,479 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-28 10:08:06,479 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-28 10:08:06,480 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-28 10:08:06,480 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-28 10:08:06,480 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-28 10:08:06,480 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-28 10:08:06,480 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-28 10:08:06,480 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-28 10:08:06,480 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-28 10:08:06,480 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-28 10:08:06,481 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-28 10:08:06,481 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,481 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,481 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,481 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,481 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,481 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,481 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-28 10:08:06,481 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-28 10:08:06,482 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-28 10:08:06,482 INFO L270 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse0 (not (= |old(~a8~0)| 13))) (.cse2 (not (<= |old(~a16~0)| 4))) (.cse1 (not (= |old(~a20~0)| 1)))) (and (or .cse0 .cse1) (or .cse1 (not (= 5 |old(~a16~0)|))) (or .cse1 .cse2) (or .cse0 .cse2) (or .cse1 (= |old(~a17~0)| 1)) (not (<= |old(~a20~0)| 0)))) [2020-10-28 10:08:06,482 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-28 10:08:06,482 INFO L274 CegarLoopResult]: For program point L535-1(line 535) no Hoare annotation was computed. [2020-10-28 10:08:06,482 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-28 10:08:06,482 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-28 10:08:06,482 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-28 10:08:06,482 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-28 10:08:06,483 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-28 10:08:06,483 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,495 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,495 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,495 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,495 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,496 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,496 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-28 10:08:06,496 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-28 10:08:06,496 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-28 10:08:06,496 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-28 10:08:06,496 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-28 10:08:06,496 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-28 10:08:06,496 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-28 10:08:06,496 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-28 10:08:06,496 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-28 10:08:06,497 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-28 10:08:06,497 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-28 10:08:06,497 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-28 10:08:06,497 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-28 10:08:06,497 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-28 10:08:06,497 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-28 10:08:06,497 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,497 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,497 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,498 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,498 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,498 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-28 10:08:06,498 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-28 10:08:06,498 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-28 10:08:06,498 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-28 10:08:06,498 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-28 10:08:06,498 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-28 10:08:06,498 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-28 10:08:06,498 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-28 10:08:06,499 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-28 10:08:06,499 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,499 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,499 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,499 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,499 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,499 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-28 10:08:06,499 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-28 10:08:06,499 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-28 10:08:06,500 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-28 10:08:06,500 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-28 10:08:06,500 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-28 10:08:06,500 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-28 10:08:06,500 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-28 10:08:06,500 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-28 10:08:06,500 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-28 10:08:06,500 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-28 10:08:06,500 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-28 10:08:06,501 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-28 10:08:06,501 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,501 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,501 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,501 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,501 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,501 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-28 10:08:06,501 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-28 10:08:06,501 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-28 10:08:06,502 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,502 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,502 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-28 10:08:06,502 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-28 10:08:06,502 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-28 10:08:06,502 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-28 10:08:06,502 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-28 10:08:06,502 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-28 10:08:06,502 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,503 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,503 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,503 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,503 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-28 10:08:06,503 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,503 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-28 10:08:06,503 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-28 10:08:06,503 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-28 10:08:06,504 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-28 10:08:06,504 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-28 10:08:06,504 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-28 10:08:06,504 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-28 10:08:06,504 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-28 10:08:06,504 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-28 10:08:06,504 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-28 10:08:06,504 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-28 10:08:06,504 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-28 10:08:06,505 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-28 10:08:06,505 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,505 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,505 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,505 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,505 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,505 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-28 10:08:06,505 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-28 10:08:06,505 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-28 10:08:06,506 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-28 10:08:06,506 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-28 10:08:06,506 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-28 10:08:06,506 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-28 10:08:06,506 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-28 10:08:06,506 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,506 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,507 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse4 (= ~a7~0 |old(~a7~0)|)) (.cse5 (= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a21~0 |old(~a21~0)|)) (.cse7 (= ~a20~0 |old(~a20~0)|)) (.cse8 (= ~a16~0 |old(~a16~0)|)) (.cse10 (= ~a8~0 |old(~a8~0)|))) (let ((.cse2 (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse10)) (.cse0 (not (= |old(~a20~0)| 1))) (.cse3 (not (= |old(~a8~0)| 13))) (.cse9 (= ~a8~0 13)) (.cse1 (not (<= |old(~a16~0)| 4)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) .cse0) (or .cse0 (= |old(~a17~0)| 1) .cse2) (or .cse2 (not (<= |old(~a20~0)| 0))) (or (and .cse4 .cse5 .cse6 .cse7 .cse10 (= 5 ~a16~0)) .cse0 (not (= 5 |old(~a16~0)|))) (or .cse3 (and .cse5 .cse4 .cse6 .cse7 .cse8 .cse9) .cse1)))) [2020-10-28 10:08:06,507 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,507 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,507 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,507 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-28 10:08:06,507 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-28 10:08:06,507 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-28 10:08:06,507 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-28 10:08:06,508 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-28 10:08:06,508 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-28 10:08:06,508 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-28 10:08:06,508 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-28 10:08:06,508 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-28 10:08:06,508 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-28 10:08:06,508 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-28 10:08:06,508 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,508 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,508 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,509 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,509 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-28 10:08:06,509 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,509 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,509 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-28 10:08:06,509 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-28 10:08:06,509 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-28 10:08:06,509 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-28 10:08:06,509 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-28 10:08:06,509 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-28 10:08:06,510 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-28 10:08:06,510 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-28 10:08:06,510 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-28 10:08:06,510 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-28 10:08:06,510 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-28 10:08:06,510 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-28 10:08:06,510 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,510 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,510 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,510 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,511 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,511 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-28 10:08:06,511 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:08:06,511 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-28 10:08:06,511 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-28 10:08:06,511 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-28 10:08:06,511 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-28 10:08:06,511 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-28 10:08:06,512 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-28 10:08:06,512 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-28 10:08:06,512 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-28 10:08:06,512 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-28 10:08:06,512 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-28 10:08:06,512 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-28 10:08:06,512 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-28 10:08:06,512 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-28 10:08:06,512 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-28 10:08:06,512 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:08:06,513 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a20~0 1) (= 5 ~a16~0)) [2020-10-28 10:08:06,513 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:08:06,513 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:08:06,513 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|))) [2020-10-28 10:08:06,513 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:08:06,513 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1)) (.cse1 (<= ~a16~0 4)) (.cse2 (= ~a8~0 13))) (or (and (not (= ~a17~0 1)) .cse0) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0)) (not (= |old(~a20~0)| 1)) (and .cse1 .cse0) (not (= 5 |old(~a16~0)|)) (and .cse2 .cse0) (and .cse1 .cse2) (<= ~a20~0 0))) [2020-10-28 10:08:06,513 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-28 10:08:06,514 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-28 10:08:06,514 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1)) (.cse1 (<= ~a16~0 4)) (.cse2 (= ~a8~0 13))) (or (and (not (= ~a17~0 1)) .cse0) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0)) (not (= |old(~a20~0)| 1)) (and .cse1 .cse0) (not (= 5 |old(~a16~0)|)) (and .cse2 .cse0) (and .cse1 .cse2) (<= ~a20~0 0))) [2020-10-28 10:08:06,514 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:08:06,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:08:06 BoogieIcfgContainer [2020-10-28 10:08:06,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:08:06,545 INFO L168 Benchmark]: Toolchain (without parser) took 49014.09 ms. Allocated memory was 151.0 MB in the beginning and 874.5 MB in the end (delta: 723.5 MB). Free memory was 124.1 MB in the beginning and 838.0 MB in the end (delta: -713.9 MB). Peak memory consumption was 522.6 MB. Max. memory is 8.0 GB. [2020-10-28 10:08:06,546 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:08:06,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 893.10 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 128.2 MB in the end (delta: -4.6 MB). Peak memory consumption was 28.7 MB. Max. memory is 8.0 GB. [2020-10-28 10:08:06,548 INFO L168 Benchmark]: Boogie Preprocessor took 152.96 ms. Allocated memory is still 151.0 MB. Free memory was 128.2 MB in the beginning and 123.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:08:06,549 INFO L168 Benchmark]: RCFGBuilder took 1582.51 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 100.5 MB in the end (delta: 23.0 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. [2020-10-28 10:08:06,549 INFO L168 Benchmark]: TraceAbstraction took 46362.79 ms. Allocated memory was 151.0 MB in the beginning and 874.5 MB in the end (delta: 723.5 MB). Free memory was 99.9 MB in the beginning and 838.0 MB in the end (delta: -738.1 MB). Peak memory consumption was 497.7 MB. Max. memory is 8.0 GB. [2020-10-28 10:08:06,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 893.10 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 128.2 MB in the end (delta: -4.6 MB). Peak memory consumption was 28.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 152.96 ms. Allocated memory is still 151.0 MB. Free memory was 128.2 MB in the beginning and 123.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1582.51 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 100.5 MB in the end (delta: 23.0 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 46362.79 ms. Allocated memory was 151.0 MB in the beginning and 874.5 MB in the end (delta: 723.5 MB). Free memory was 99.9 MB in the beginning and 838.0 MB in the end (delta: -738.1 MB). Peak memory consumption was 497.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 585]: Loop Invariant Derived loop invariant: (((((((!(a17 == 1) && a20 == 1) || (((((a7 == \old(a7) && a17 == \old(a17)) && a21 == \old(a21)) && a20 == \old(a20)) && a8 == \old(a8)) && 5 == a16)) || !(\old(a20) == 1)) || (a16 <= 4 && a20 == 1)) || !(5 == \old(a16))) || (a8 == 13 && a20 == 1)) || (a16 <= 4 && a8 == 13)) || a20 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 43.8s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 201 SDtfs, 2179 SDslu, 178 SDs, 0 SdLazy, 5357 SolverSat, 833 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2769occurred 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: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 1057 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 173 PreInvPairs, 209 NumberOfFragments, 458 HoareAnnotationTreeSize, 173 FomulaSimplifications, 17630 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3052 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 28.2s InterpolantComputationTime, 1083 NumberOfCodeBlocks, 1083 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1076 ConstructedInterpolants, 0 QuantifiedInterpolants, 597148 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 188/239 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...