/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=DEEPEST --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/Problem02_label58.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:39:11,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:39:11,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:39:11,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:39:11,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:39:11,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:39:11,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:39:11,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:39:11,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:39:11,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:39:11,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:39:11,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:39:11,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:39:11,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:39:11,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:39:11,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:39:11,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:39:11,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:39:11,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:39:11,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:39:11,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:39:11,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:39:11,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:39:11,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:39:11,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:39:11,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:39:11,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:39:11,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:39:11,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:39:11,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:39:11,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:39:11,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:39:11,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:39:11,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:39:11,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:39:11,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:39:11,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:39:11,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:39:11,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:39:11,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:39:11,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:39:11,430 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 [2020-10-27 15:39:11,480 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:39:11,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:39:11,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:39:11,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:39:11,485 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:39:11,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:39:11,486 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:39:11,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:39:11,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:39:11,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:39:11,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:39:11,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:39:11,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:39:11,488 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:39:11,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:39:11,489 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:39:11,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:39:11,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:39:11,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:39:11,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:39:11,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:39:11,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:39:11,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:39:11,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:39:11,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:39:11,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:39:11,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:39:11,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:39:11,491 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:39:11,492 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:39:11,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:39:11,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:39:11,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:39:11,978 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:39:11,979 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:39:11,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label58.c [2020-10-27 15:39:12,071 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4247214a6/d8a9485977b8414f9c39ebf9e3dab15e/FLAG01d2bb8df [2020-10-27 15:39:12,984 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:39:12,985 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label58.c [2020-10-27 15:39:13,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4247214a6/d8a9485977b8414f9c39ebf9e3dab15e/FLAG01d2bb8df [2020-10-27 15:39:13,210 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4247214a6/d8a9485977b8414f9c39ebf9e3dab15e [2020-10-27 15:39:13,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:39:13,226 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:39:13,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:39:13,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:39:13,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:39:13,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:39:13" (1/1) ... [2020-10-27 15:39:13,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e70e563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:13, skipping insertion in model container [2020-10-27 15:39:13,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:39:13" (1/1) ... [2020-10-27 15:39:13,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:39:13,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:39:13,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:39:13,757 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:39:13,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:39:14,000 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:39:14,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:14 WrapperNode [2020-10-27 15:39:14,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:39:14,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:39:14,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:39:14,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:39:14,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:14" (1/1) ... [2020-10-27 15:39:14,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:14" (1/1) ... [2020-10-27 15:39:14,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:14" (1/1) ... [2020-10-27 15:39:14,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:14" (1/1) ... [2020-10-27 15:39:14,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:14" (1/1) ... [2020-10-27 15:39:14,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:14" (1/1) ... [2020-10-27 15:39:14,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:14" (1/1) ... [2020-10-27 15:39:14,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:39:14,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:39:14,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:39:14,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:39:14,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:14" (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 [2020-10-27 15:39:14,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:39:14,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:39:14,273 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:39:14,274 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:39:14,274 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:39:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:39:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:39:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:39:14,276 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:39:14,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:39:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:39:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:39:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:39:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:39:14,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:39:14,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:39:14,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:39:14,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:39:14,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:39:15,620 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:39:15,620 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:39:15,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:39:15 BoogieIcfgContainer [2020-10-27 15:39:15,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:39:15,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:39:15,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:39:15,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:39:15,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:39:13" (1/3) ... [2020-10-27 15:39:15,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379888f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:39:15, skipping insertion in model container [2020-10-27 15:39:15,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:14" (2/3) ... [2020-10-27 15:39:15,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379888f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:39:15, skipping insertion in model container [2020-10-27 15:39:15,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:39:15" (3/3) ... [2020-10-27 15:39:15,633 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label58.c [2020-10-27 15:39:15,646 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:39:15,652 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:39:15,667 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:39:15,697 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:39:15,698 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:39:15,698 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:39:15,698 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:39:15,698 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:39:15,698 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:39:15,698 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:39:15,698 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:39:15,724 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-27 15:39:15,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-27 15:39:15,740 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:39:15,744 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] [2020-10-27 15:39:15,744 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:39:15,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:39:15,751 INFO L82 PathProgramCache]: Analyzing trace with hash -769092803, now seen corresponding path program 1 times [2020-10-27 15:39:15,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:39:15,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2139584620] [2020-10-27 15:39:15,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:39:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:16,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:16,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:17,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:17,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 15:39:17,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:39:17,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1787 [2020-10-27 15:39:17,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:17,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 15:39:17,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:39:17,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 15:39:17,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:39:18,192 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 15:39:18,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:39:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:18,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:18,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:18,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:39:18,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:18,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 15:39:18,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:18,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:39:18,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:18,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:39:18,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:18,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:39:18,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2139584620] [2020-10-27 15:39:18,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:39:18,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 15:39:18,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537035084] [2020-10-27 15:39:18,296 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 15:39:18,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:39:18,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 15:39:18,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 15:39:18,315 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-27 15:39:18,514 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 15:39:20,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:39:20,728 INFO L93 Difference]: Finished difference Result 636 states and 1085 transitions. [2020-10-27 15:39:20,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:39:20,731 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 110 [2020-10-27 15:39:20,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:39:20,757 INFO L225 Difference]: With dead ends: 636 [2020-10-27 15:39:20,757 INFO L226 Difference]: Without dead ends: 332 [2020-10-27 15:39:20,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:39:20,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-10-27 15:39:20,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 326. [2020-10-27 15:39:20,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-10-27 15:39:20,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 428 transitions. [2020-10-27 15:39:20,861 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 428 transitions. Word has length 110 [2020-10-27 15:39:20,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:39:20,862 INFO L481 AbstractCegarLoop]: Abstraction has 326 states and 428 transitions. [2020-10-27 15:39:20,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 15:39:20,862 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 428 transitions. [2020-10-27 15:39:20,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-27 15:39:20,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:39:20,874 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] [2020-10-27 15:39:20,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:39:20,875 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:39:20,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:39:20,876 INFO L82 PathProgramCache]: Analyzing trace with hash -348138212, now seen corresponding path program 1 times [2020-10-27 15:39:20,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:39:20,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1479932973] [2020-10-27 15:39:20,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:39:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:20,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:21,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:21,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:22,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:22,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-27 15:39:22,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:39:22,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1633 [2020-10-27 15:39:22,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:22,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:39:22,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 15:39:22,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-27 15:39:22,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:22,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:39:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:22,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:22,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:22,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:39:22,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:22,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 15:39:22,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:22,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:22,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:22,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 15:39:22,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:39:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:22,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:22,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:22,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:39:22,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:22,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 15:39:22,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:22,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:39:22,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:22,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 15:39:22,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:22,896 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:39:22,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1479932973] [2020-10-27 15:39:22,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:39:22,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:39:22,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462093990] [2020-10-27 15:39:22,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:39:22,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:39:22,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:39:22,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:39:22,909 INFO L87 Difference]: Start difference. First operand 326 states and 428 transitions. Second operand 5 states. [2020-10-27 15:39:23,056 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 15:39:24,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:39:24,646 INFO L93 Difference]: Finished difference Result 944 states and 1260 transitions. [2020-10-27 15:39:24,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:39:24,647 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2020-10-27 15:39:24,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:39:24,654 INFO L225 Difference]: With dead ends: 944 [2020-10-27 15:39:24,654 INFO L226 Difference]: Without dead ends: 624 [2020-10-27 15:39:24,656 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 [2020-10-27 15:39:24,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2020-10-27 15:39:24,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 620. [2020-10-27 15:39:24,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2020-10-27 15:39:24,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 801 transitions. [2020-10-27 15:39:24,735 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 801 transitions. Word has length 119 [2020-10-27 15:39:24,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:39:24,736 INFO L481 AbstractCegarLoop]: Abstraction has 620 states and 801 transitions. [2020-10-27 15:39:24,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:39:24,736 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 801 transitions. [2020-10-27 15:39:24,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 15:39:24,750 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:39:24,750 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:39:24,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:39:24,751 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:39:24,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:39:24,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1283224912, now seen corresponding path program 1 times [2020-10-27 15:39:24,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:39:24,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1976816385] [2020-10-27 15:39:24,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:39:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:24,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:24,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:25,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:25,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:26,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:26,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:26,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-27 15:39:26,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:39:26,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1690 [2020-10-27 15:39:26,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:26,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:39:26,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 15:39:26,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 15:39:26,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:26,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:39:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:26,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:26,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:26,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:39:26,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:26,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 15:39:26,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:26,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:26,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:26,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:26,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:26,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:39:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:26,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:26,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:26,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:39:26,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:26,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:39:26,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:26,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:26,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:26,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:26,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:26,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 15:39:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:26,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:26,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:26,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:39:26,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:26,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:39:26,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:26,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:39:26,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:26,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 15:39:26,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:26,880 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 15:39:26,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1976816385] [2020-10-27 15:39:26,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:39:26,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:39:26,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740442958] [2020-10-27 15:39:26,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:39:26,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:39:26,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:39:26,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:39:26,890 INFO L87 Difference]: Start difference. First operand 620 states and 801 transitions. Second operand 5 states. [2020-10-27 15:39:27,166 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 15:39:28,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:39:28,587 INFO L93 Difference]: Finished difference Result 1325 states and 1774 transitions. [2020-10-27 15:39:28,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:39:28,593 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2020-10-27 15:39:28,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:39:28,599 INFO L225 Difference]: With dead ends: 1325 [2020-10-27 15:39:28,599 INFO L226 Difference]: Without dead ends: 624 [2020-10-27 15:39:28,602 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 [2020-10-27 15:39:28,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2020-10-27 15:39:28,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 620. [2020-10-27 15:39:28,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2020-10-27 15:39:28,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 797 transitions. [2020-10-27 15:39:28,641 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 797 transitions. Word has length 127 [2020-10-27 15:39:28,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:39:28,641 INFO L481 AbstractCegarLoop]: Abstraction has 620 states and 797 transitions. [2020-10-27 15:39:28,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:39:28,642 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 797 transitions. [2020-10-27 15:39:28,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-27 15:39:28,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:39:28,646 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2020-10-27 15:39:28,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:39:28,646 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:39:28,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:39:28,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1332963155, now seen corresponding path program 1 times [2020-10-27 15:39:28,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:39:28,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1100399246] [2020-10-27 15:39:28,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:39:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:28,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:28,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:28,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:29,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:30,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:30,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-27 15:39:30,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:39:30,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2052 [2020-10-27 15:39:30,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:30,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:39:30,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-27 15:39:30,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-27 15:39:30,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:30,928 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 15:39:30,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:39:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:30,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:30,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:30,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:39:30,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:30,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 15:39:30,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:30,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:30,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:30,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:30,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:30,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:39:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:30,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:30,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:30,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:39:30,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:30,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:39:30,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:30,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:31,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:39:31,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 15:39:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:31,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:31,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:31,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 15:39:31,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:31,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 15:39:31,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:39:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 15:39:31,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 15:39:31,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1100399246] [2020-10-27 15:39:31,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:39:31,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:39:31,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648366635] [2020-10-27 15:39:31,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:39:31,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:39:31,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:39:31,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:39:31,135 INFO L87 Difference]: Start difference. First operand 620 states and 797 transitions. Second operand 6 states. [2020-10-27 15:39:31,291 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 15:39:32,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:39:32,983 INFO L93 Difference]: Finished difference Result 1532 states and 2053 transitions. [2020-10-27 15:39:32,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:39:32,984 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2020-10-27 15:39:32,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:39:32,990 INFO L225 Difference]: With dead ends: 1532 [2020-10-27 15:39:32,990 INFO L226 Difference]: Without dead ends: 918 [2020-10-27 15:39:32,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 15:39:32,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2020-10-27 15:39:33,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 912. [2020-10-27 15:39:33,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 912 states. [2020-10-27 15:39:33,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1217 transitions. [2020-10-27 15:39:33,027 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1217 transitions. Word has length 141 [2020-10-27 15:39:33,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:39:33,028 INFO L481 AbstractCegarLoop]: Abstraction has 912 states and 1217 transitions. [2020-10-27 15:39:33,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:39:33,028 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1217 transitions. [2020-10-27 15:39:33,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 15:39:33,033 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:39:33,034 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:39:33,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:39:33,034 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:39:33,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:39:33,035 INFO L82 PathProgramCache]: Analyzing trace with hash 533646094, now seen corresponding path program 1 times [2020-10-27 15:39:33,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:39:33,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1202853555] [2020-10-27 15:39:33,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:39:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:33,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:33,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:33,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:34,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:34,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:34,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:37,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:38,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:38,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-27 15:39:38,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 15:39:38,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4942 [2020-10-27 15:39:38,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:38,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:39:38,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-27 15:39:38,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-27 15:39:38,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:38,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:39:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:38,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:38,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:38,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:39:38,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:38,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:39:38,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:38,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:38,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:38,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:38,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:38,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:39:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:38,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:38,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:38,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 15:39:38,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:38,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:39:38,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:38,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:38,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:38,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:38,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:38,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 15:39:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:38,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:38,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:38,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 15:39:38,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:38,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 15:39:38,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:38,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:39:38,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:38,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 15:39:38,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:38,389 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-27 15:39:38,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1202853555] [2020-10-27 15:39:38,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:39:38,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:39:38,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634869831] [2020-10-27 15:39:38,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:39:38,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:39:38,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:39:38,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:39:38,392 INFO L87 Difference]: Start difference. First operand 912 states and 1217 transitions. Second operand 5 states. [2020-10-27 15:39:40,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:39:40,135 INFO L93 Difference]: Finished difference Result 2403 states and 3240 transitions. [2020-10-27 15:39:40,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:39:40,136 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 218 [2020-10-27 15:39:40,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:39:40,137 INFO L225 Difference]: With dead ends: 2403 [2020-10-27 15:39:40,138 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:39:40,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:39:40,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:39:40,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:39:40,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:39:40,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:39:40,147 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 218 [2020-10-27 15:39:40,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:39:40,147 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:39:40,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:39:40,147 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:39:40,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:39:40,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:39:40,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:39:40,981 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 28 [2020-10-27 15:39:41,126 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:39:41,127 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:39:41,127 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:39:41,127 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:39:41,128 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:39:41,128 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~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)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-27 15:39:41,128 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:39:41,128 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-27 15:39:41,129 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-27 15:39:41,129 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-27 15:39:41,129 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-27 15:39:41,131 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-27 15:39:41,131 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-27 15:39:41,132 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-27 15:39:41,132 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:39:41,132 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-27 15:39:41,132 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:39:41,132 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-27 15:39:41,132 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:39:41,132 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:39:41,133 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-27 15:39:41,133 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-27 15:39:41,133 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,133 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,133 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,133 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,133 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,133 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-27 15:39:41,133 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-27 15:39:41,134 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-27 15:39:41,134 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-27 15:39:41,134 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-27 15:39:41,136 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-27 15:39:41,136 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-27 15:39:41,136 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-27 15:39:41,136 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-27 15:39:41,136 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-27 15:39:41,136 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:39:41,136 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:39:41,137 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-27 15:39:41,137 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,137 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,137 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,139 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,139 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-27 15:39:41,139 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,140 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-27 15:39:41,140 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-27 15:39:41,140 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-27 15:39:41,140 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-27 15:39:41,140 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-27 15:39:41,140 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-27 15:39:41,140 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-27 15:39:41,140 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:39:41,141 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:39:41,141 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-27 15:39:41,141 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-27 15:39:41,141 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-27 15:39:41,141 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:39:41,141 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:39:41,141 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-27 15:39:41,143 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,143 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,143 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,143 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,143 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,143 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:39:41,144 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-27 15:39:41,145 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:39:41,145 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-27 15:39:41,145 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-27 15:39:41,145 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-27 15:39:41,145 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-27 15:39:41,145 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-27 15:39:41,145 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-27 15:39:41,145 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-27 15:39:41,146 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-27 15:39:41,146 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,146 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,146 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,146 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,146 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,146 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-27 15:39:41,146 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-27 15:39:41,146 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-27 15:39:41,147 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-27 15:39:41,147 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-27 15:39:41,147 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-27 15:39:41,147 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-27 15:39:41,147 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-27 15:39:41,147 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-27 15:39:41,147 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-27 15:39:41,147 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-27 15:39:41,147 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-27 15:39:41,148 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-27 15:39:41,148 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,148 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,148 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,148 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,148 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,148 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-27 15:39:41,148 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-27 15:39:41,149 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-27 15:39:41,149 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-27 15:39:41,149 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-27 15:39:41,149 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-27 15:39:41,150 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-27 15:39:41,150 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-27 15:39:41,150 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-27 15:39:41,150 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,151 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,151 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-27 15:39:41,151 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-27 15:39:41,151 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-27 15:39:41,151 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-27 15:39:41,151 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:39:41,151 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-27 15:39:41,152 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:39:41,152 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,152 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,152 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,152 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,152 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-27 15:39:41,152 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,152 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:39:41,153 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,153 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:39:41,153 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:39:41,153 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:39:41,153 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-27 15:39:41,153 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-27 15:39:41,153 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-27 15:39:41,154 INFO L270 CegarLoopResult]: At program point L483(line 483) the Hoare annotation is: (and (not (<= |old(~a28~0)| 10)) (not (<= |old(~a17~0)| 7)) (= |old(~a11~0)| 1)) [2020-10-27 15:39:41,154 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-27 15:39:41,154 INFO L274 CegarLoopResult]: For program point L483-1(line 483) no Hoare annotation was computed. [2020-10-27 15:39:41,154 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-27 15:39:41,154 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-27 15:39:41,154 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-27 15:39:41,154 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-27 15:39:41,154 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-27 15:39:41,154 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-27 15:39:41,155 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,155 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,155 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,155 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,155 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,155 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,155 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-27 15:39:41,155 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-27 15:39:41,156 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-27 15:39:41,156 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-27 15:39:41,156 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-27 15:39:41,156 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-27 15:39:41,156 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-27 15:39:41,156 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-27 15:39:41,156 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-27 15:39:41,156 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-27 15:39:41,157 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-27 15:39:41,157 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,157 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,157 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,157 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,157 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,157 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,157 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-27 15:39:41,157 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-27 15:39:41,157 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-27 15:39:41,158 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-27 15:39:41,158 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-27 15:39:41,158 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-27 15:39:41,158 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-27 15:39:41,158 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse0 (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)))) (and (or .cse0 (not (<= |old(~a17~0)| 7))) (or (not (<= |old(~a28~0)| 10)) .cse0) (or .cse0 (= |old(~a11~0)| 1)))) [2020-10-27 15:39:41,158 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-27 15:39:41,158 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-27 15:39:41,158 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-27 15:39:41,159 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-27 15:39:41,159 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-27 15:39:41,159 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-27 15:39:41,159 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-27 15:39:41,159 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,159 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,159 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,159 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,159 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,160 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,160 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-27 15:39:41,160 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-27 15:39:41,160 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-27 15:39:41,160 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-27 15:39:41,160 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-27 15:39:41,160 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-27 15:39:41,160 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-27 15:39:41,160 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-27 15:39:41,161 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-27 15:39:41,161 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-27 15:39:41,161 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-27 15:39:41,161 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-27 15:39:41,161 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-27 15:39:41,161 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,161 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,161 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,162 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,162 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,162 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,162 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-27 15:39:41,162 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-27 15:39:41,162 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-27 15:39:41,162 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-27 15:39:41,162 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-27 15:39:41,163 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-27 15:39:41,163 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-27 15:39:41,163 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-27 15:39:41,163 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-27 15:39:41,163 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-27 15:39:41,163 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-27 15:39:41,163 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:39:41,163 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:39:41,163 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-27 15:39:41,164 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-27 15:39:41,164 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-27 15:39:41,164 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,164 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,164 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,164 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,164 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:41,164 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-27 15:39:41,164 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-27 15:39:41,164 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-27 15:39:41,165 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-27 15:39:41,165 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:39:41,165 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 7 ~a28~0) (not (= ~a11~0 1))) [2020-10-27 15:39:41,165 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:39:41,165 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:39:41,165 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (or (= |old(~a11~0)| 1) (not (= ~a11~0 1)) (not (= 7 |old(~a28~0)|)) (<= ~a17~0 7) (<= ~a28~0 10)) [2020-10-27 15:39:41,165 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (= |old(~a11~0)| 1) (and (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= 7 ~a28~0) (= ~a19~0 |old(~a19~0)|)) (not (= 7 |old(~a28~0)|))) [2020-10-27 15:39:41,165 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:39:41,166 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:39:41,166 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (= |old(~a11~0)| 1) (not (= ~a11~0 1)) (not (= 7 |old(~a28~0)|)) (<= ~a28~0 10) (<= ~a17~0 7)) [2020-10-27 15:39:41,166 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-27 15:39:41,166 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-27 15:39:41,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:39:41 BoogieIcfgContainer [2020-10-27 15:39:41,201 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:39:41,207 INFO L168 Benchmark]: Toolchain (without parser) took 27984.68 ms. Allocated memory was 161.5 MB in the beginning and 580.9 MB in the end (delta: 419.4 MB). Free memory was 134.5 MB in the beginning and 232.2 MB in the end (delta: -97.7 MB). Peak memory consumption was 322.0 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:41,209 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 161.5 MB. Free memory is still 132.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:39:41,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.93 ms. Allocated memory is still 161.5 MB. Free memory was 134.0 MB in the beginning and 108.3 MB in the end (delta: 25.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:41,218 INFO L168 Benchmark]: Boogie Preprocessor took 183.25 ms. Allocated memory is still 161.5 MB. Free memory was 108.2 MB in the beginning and 139.5 MB in the end (delta: -31.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:41,220 INFO L168 Benchmark]: RCFGBuilder took 1435.59 ms. Allocated memory was 161.5 MB in the beginning and 220.2 MB in the end (delta: 58.7 MB). Free memory was 139.5 MB in the beginning and 182.4 MB in the end (delta: -42.9 MB). Peak memory consumption was 91.8 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:41,221 INFO L168 Benchmark]: TraceAbstraction took 25576.13 ms. Allocated memory was 220.2 MB in the beginning and 580.9 MB in the end (delta: 360.7 MB). Free memory was 181.9 MB in the beginning and 232.2 MB in the end (delta: -50.3 MB). Peak memory consumption was 309.8 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:41,235 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 161.5 MB. Free memory is still 132.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 770.93 ms. Allocated memory is still 161.5 MB. Free memory was 134.0 MB in the beginning and 108.3 MB in the end (delta: 25.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 183.25 ms. Allocated memory is still 161.5 MB. Free memory was 108.2 MB in the beginning and 139.5 MB in the end (delta: -31.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1435.59 ms. Allocated memory was 161.5 MB in the beginning and 220.2 MB in the end (delta: 58.7 MB). Free memory was 139.5 MB in the beginning and 182.4 MB in the end (delta: -42.9 MB). Peak memory consumption was 91.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 25576.13 ms. Allocated memory was 220.2 MB in the beginning and 580.9 MB in the end (delta: 360.7 MB). Free memory was 181.9 MB in the beginning and 232.2 MB in the end (delta: -50.3 MB). Peak memory consumption was 309.8 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: 608]: Loop Invariant Derived loop invariant: (((\old(a11) == 1 || !(a11 == 1)) || !(7 == \old(a28))) || a17 <= 7) || a28 <= 10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.4s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 174 SDtfs, 1808 SDslu, 147 SDs, 0 SdLazy, 3278 SolverSat, 699 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=912occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 20 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 69 PreInvPairs, 93 NumberOfFragments, 227 HoareAnnotationTreeSize, 69 FomulaSimplifications, 5950 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1252 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 13.7s InterpolantComputationTime, 715 NumberOfCodeBlocks, 715 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 710 ConstructedInterpolants, 0 QuantifiedInterpolants, 529558 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 183/190 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...