/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/Problem11_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:34:01,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:34:01,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:34:01,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:34:01,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:34:01,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:34:01,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:34:01,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:34:01,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:34:01,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:34:01,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:34:01,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:34:01,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:34:01,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:34:01,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:34:01,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:34:01,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:34:01,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:34:01,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:34:01,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:34:01,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:34:01,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:34:01,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:34:01,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:34:01,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:34:01,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:34:01,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:34:01,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:34:01,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:34:01,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:34:01,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:34:01,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:34:01,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:34:01,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:34:01,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:34:01,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:34:01,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:34:01,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:34:01,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:34:01,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:34:01,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:34:01,385 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 17:34:01,443 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:34:01,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:34:01,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:34:01,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:34:01,446 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:34:01,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:34:01,446 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:34:01,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:34:01,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:34:01,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:34:01,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:34:01,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:34:01,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:34:01,448 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:34:01,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:34:01,449 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:34:01,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:34:01,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:34:01,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:34:01,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:34:01,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:34:01,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:34:01,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:34:01,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:34:01,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:34:01,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:34:01,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:34:01,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:34:01,452 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:34:01,452 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:34:01,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:34:01,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:34:01,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:34:01,871 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:34:01,872 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:34:01,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label38.c [2020-10-27 17:34:01,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dcf08abce/a9d2208d18694b49b56a90008f397285/FLAG83dc5f154 [2020-10-27 17:34:02,786 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:34:02,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label38.c [2020-10-27 17:34:02,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dcf08abce/a9d2208d18694b49b56a90008f397285/FLAG83dc5f154 [2020-10-27 17:34:02,957 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dcf08abce/a9d2208d18694b49b56a90008f397285 [2020-10-27 17:34:02,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:34:02,970 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:34:02,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:34:02,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:34:02,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:34:02,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:34:02" (1/1) ... [2020-10-27 17:34:02,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed13075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:02, skipping insertion in model container [2020-10-27 17:34:02,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:34:02" (1/1) ... [2020-10-27 17:34:02,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:34:03,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:34:03,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:34:03,788 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:34:04,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:34:04,100 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:34:04,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:04 WrapperNode [2020-10-27 17:34:04,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:34:04,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:34:04,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:34:04,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:34:04,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:04" (1/1) ... [2020-10-27 17:34:04,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:04" (1/1) ... [2020-10-27 17:34:04,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:04" (1/1) ... [2020-10-27 17:34:04,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:04" (1/1) ... [2020-10-27 17:34:04,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:04" (1/1) ... [2020-10-27 17:34:04,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:04" (1/1) ... [2020-10-27 17:34:04,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:04" (1/1) ... [2020-10-27 17:34:04,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:34:04,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:34:04,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:34:04,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:34:04,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:04" (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 17:34:04,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:34:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:34:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:34:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:34:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:34:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:34:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:34:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:34:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:34:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:34:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:34:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:34:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:34:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:34:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:34:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:34:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:34:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:34:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:34:06,699 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:34:06,700 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:34:06,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:34:06 BoogieIcfgContainer [2020-10-27 17:34:06,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:34:06,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:34:06,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:34:06,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:34:06,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:34:02" (1/3) ... [2020-10-27 17:34:06,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b806da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:34:06, skipping insertion in model container [2020-10-27 17:34:06,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:04" (2/3) ... [2020-10-27 17:34:06,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b806da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:34:06, skipping insertion in model container [2020-10-27 17:34:06,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:34:06" (3/3) ... [2020-10-27 17:34:06,713 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label38.c [2020-10-27 17:34:06,726 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:34:06,733 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:34:06,749 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:34:06,784 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:34:06,784 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:34:06,785 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:34:06,785 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:34:06,785 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:34:06,785 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:34:06,786 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:34:06,786 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:34:06,812 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-27 17:34:06,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-27 17:34:06,861 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:06,862 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] [2020-10-27 17:34:06,862 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:06,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:06,870 INFO L82 PathProgramCache]: Analyzing trace with hash -824411954, now seen corresponding path program 1 times [2020-10-27 17:34:06,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:06,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [414325505] [2020-10-27 17:34:06,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:07,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:07,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:07,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 17:34:07,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:07,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 653 [2020-10-27 17:34:07,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:07,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:34:07,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:34:07,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 17:34:07,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:34:07,994 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-27 17:34:07,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:08,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:08,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:08,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:08,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:08,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 17:34:08,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:08,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:08,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:08,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:34:08,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:08,058 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 17:34:08,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [414325505] [2020-10-27 17:34:08,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:34:08,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 17:34:08,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286840520] [2020-10-27 17:34:08,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 17:34:08,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:08,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 17:34:08,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 17:34:08,086 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-27 17:34:08,275 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-27 17:34:12,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:12,032 INFO L93 Difference]: Finished difference Result 793 states and 1388 transitions. [2020-10-27 17:34:12,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:34:12,035 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2020-10-27 17:34:12,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:12,051 INFO L225 Difference]: With dead ends: 793 [2020-10-27 17:34:12,052 INFO L226 Difference]: Without dead ends: 432 [2020-10-27 17:34:12,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:34:12,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-10-27 17:34:12,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2020-10-27 17:34:12,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-10-27 17:34:12,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 613 transitions. [2020-10-27 17:34:12,187 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 613 transitions. Word has length 67 [2020-10-27 17:34:12,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:12,190 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 613 transitions. [2020-10-27 17:34:12,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 17:34:12,190 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 613 transitions. [2020-10-27 17:34:12,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-27 17:34:12,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:12,206 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:34:12,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:34:12,207 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:12,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:12,210 INFO L82 PathProgramCache]: Analyzing trace with hash -738422285, now seen corresponding path program 1 times [2020-10-27 17:34:12,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:12,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [215246017] [2020-10-27 17:34:12,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:12,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:12,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:13,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:14,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:14,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 17:34:14,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:34:14,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2141 [2020-10-27 17:34:14,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:14,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:14,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-27 17:34:14,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 17:34:14,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:34:14,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:14,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:14,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:14,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:14,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:14,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 17:34:14,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:14,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:14,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:14,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:14,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:34:14,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:14,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:14,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:14,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:34:14,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:14,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-27 17:34:14,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:14,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:14,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:14,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 17:34:14,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:14,937 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:34:14,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [215246017] [2020-10-27 17:34:14,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:14,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:34:14,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375596250] [2020-10-27 17:34:14,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:34:14,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:14,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:34:14,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:34:14,949 INFO L87 Difference]: Start difference. First operand 426 states and 613 transitions. Second operand 5 states. [2020-10-27 17:34:15,115 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-27 17:34:18,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:18,490 INFO L93 Difference]: Finished difference Result 1238 states and 1802 transitions. [2020-10-27 17:34:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:34:18,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2020-10-27 17:34:18,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:18,503 INFO L225 Difference]: With dead ends: 1238 [2020-10-27 17:34:18,503 INFO L226 Difference]: Without dead ends: 818 [2020-10-27 17:34:18,505 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 17:34:18,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2020-10-27 17:34:18,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 811. [2020-10-27 17:34:18,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2020-10-27 17:34:18,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1150 transitions. [2020-10-27 17:34:18,565 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1150 transitions. Word has length 139 [2020-10-27 17:34:18,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:18,566 INFO L481 AbstractCegarLoop]: Abstraction has 811 states and 1150 transitions. [2020-10-27 17:34:18,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:34:18,566 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1150 transitions. [2020-10-27 17:34:18,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-27 17:34:18,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:18,569 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:34:18,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:34:18,569 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:18,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:18,570 INFO L82 PathProgramCache]: Analyzing trace with hash -2062324239, now seen corresponding path program 1 times [2020-10-27 17:34:18,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:18,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1464013852] [2020-10-27 17:34:18,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:18,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:18,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:19,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:21,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:21,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-27 17:34:21,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:34:21,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3343 [2020-10-27 17:34:21,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:21,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 17:34:21,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-27 17:34:21,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 17:34:21,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:22,281 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 28 [2020-10-27 17:34:22,405 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 28 [2020-10-27 17:34:22,549 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 28 [2020-10-27 17:34:22,681 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-27 17:34:22,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:22,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:22,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:22,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:22,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:22,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:34:22,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:22,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:22,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:22,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:22,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:22,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:22,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:22,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:22,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:34:22,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:22,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 17:34:22,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:22,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:22,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:22,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 17:34:22,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:22,975 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:34:22,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1464013852] [2020-10-27 17:34:22,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:22,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 17:34:22,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952761749] [2020-10-27 17:34:22,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 17:34:22,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:22,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 17:34:22,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:34:22,982 INFO L87 Difference]: Start difference. First operand 811 states and 1150 transitions. Second operand 8 states. [2020-10-27 17:34:23,928 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 17:34:24,351 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-10-27 17:34:24,971 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-10-27 17:34:25,911 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-10-27 17:34:27,713 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 17:34:28,582 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 17:34:28,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:28,883 INFO L93 Difference]: Finished difference Result 1408 states and 2012 transitions. [2020-10-27 17:34:28,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 17:34:28,889 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 140 [2020-10-27 17:34:28,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:28,895 INFO L225 Difference]: With dead ends: 1408 [2020-10-27 17:34:28,895 INFO L226 Difference]: Without dead ends: 815 [2020-10-27 17:34:28,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-10-27 17:34:28,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2020-10-27 17:34:28,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 811. [2020-10-27 17:34:28,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2020-10-27 17:34:28,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1138 transitions. [2020-10-27 17:34:28,938 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1138 transitions. Word has length 140 [2020-10-27 17:34:28,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:28,938 INFO L481 AbstractCegarLoop]: Abstraction has 811 states and 1138 transitions. [2020-10-27 17:34:28,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 17:34:28,939 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1138 transitions. [2020-10-27 17:34:28,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-27 17:34:28,943 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:28,943 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:34:28,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:34:28,944 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:28,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:28,944 INFO L82 PathProgramCache]: Analyzing trace with hash 919056523, now seen corresponding path program 1 times [2020-10-27 17:34:28,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:28,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423569745] [2020-10-27 17:34:28,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:29,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:29,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:29,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:30,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:30,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-27 17:34:30,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:34:30,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1548 [2020-10-27 17:34:30,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:30,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:30,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-27 17:34:30,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 17:34:30,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:30,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:30,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:30,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:30,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:30,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:30,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:34:30,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:30,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:30,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:30,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:30,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:30,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:30,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-27 17:34:30,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:30,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 17:34:30,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:30,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:30,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:30,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 17:34:30,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 17:34:30,903 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:34:30,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423569745] [2020-10-27 17:34:30,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:30,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:34:30,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075911365] [2020-10-27 17:34:30,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:34:30,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:30,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:34:30,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:34:30,912 INFO L87 Difference]: Start difference. First operand 811 states and 1138 transitions. Second operand 5 states. [2020-10-27 17:34:31,487 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-27 17:34:34,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:34,775 INFO L93 Difference]: Finished difference Result 2398 states and 3406 transitions. [2020-10-27 17:34:34,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:34:34,776 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 151 [2020-10-27 17:34:34,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:34,792 INFO L225 Difference]: With dead ends: 2398 [2020-10-27 17:34:34,792 INFO L226 Difference]: Without dead ends: 1593 [2020-10-27 17:34:34,796 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 17:34:34,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2020-10-27 17:34:34,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1577. [2020-10-27 17:34:34,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1577 states. [2020-10-27 17:34:34,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1577 states and 2065 transitions. [2020-10-27 17:34:34,870 INFO L78 Accepts]: Start accepts. Automaton has 1577 states and 2065 transitions. Word has length 151 [2020-10-27 17:34:34,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:34,872 INFO L481 AbstractCegarLoop]: Abstraction has 1577 states and 2065 transitions. [2020-10-27 17:34:34,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:34:34,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 2065 transitions. [2020-10-27 17:34:34,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-27 17:34:34,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:34,877 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:34:34,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:34:34,878 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:34,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:34,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1631524471, now seen corresponding path program 1 times [2020-10-27 17:34:34,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:34,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1404324395] [2020-10-27 17:34:34,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:34,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:35,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:35,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:36,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:36,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 17:34:36,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:34:36,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1852 [2020-10-27 17:34:36,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:36,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:36,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-27 17:34:36,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 17:34:36,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:36,943 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-27 17:34:36,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:36,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:36,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:36,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:36,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:36,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:34:36,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:36,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:36,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:36,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:36,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:36,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:37,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:37,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:37,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-27 17:34:37,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:37,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 17:34:37,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:37,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:37,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:37,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 17:34:37,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:37,203 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:34:37,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1404324395] [2020-10-27 17:34:37,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:37,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:34:37,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535079613] [2020-10-27 17:34:37,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:34:37,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:37,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:34:37,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:34:37,206 INFO L87 Difference]: Start difference. First operand 1577 states and 2065 transitions. Second operand 5 states. [2020-10-27 17:34:37,350 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-27 17:34:40,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:40,713 INFO L93 Difference]: Finished difference Result 3157 states and 4363 transitions. [2020-10-27 17:34:40,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:34:40,719 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2020-10-27 17:34:40,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:40,733 INFO L225 Difference]: With dead ends: 3157 [2020-10-27 17:34:40,733 INFO L226 Difference]: Without dead ends: 2352 [2020-10-27 17:34:40,737 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 17:34:40,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2352 states. [2020-10-27 17:34:40,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2352 to 2344. [2020-10-27 17:34:40,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2344 states. [2020-10-27 17:34:40,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 2344 states and 3002 transitions. [2020-10-27 17:34:40,813 INFO L78 Accepts]: Start accepts. Automaton has 2344 states and 3002 transitions. Word has length 168 [2020-10-27 17:34:40,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:40,814 INFO L481 AbstractCegarLoop]: Abstraction has 2344 states and 3002 transitions. [2020-10-27 17:34:40,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:34:40,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2344 states and 3002 transitions. [2020-10-27 17:34:40,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-27 17:34:40,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:40,820 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:34:40,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:34:40,820 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:40,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:40,821 INFO L82 PathProgramCache]: Analyzing trace with hash -73699044, now seen corresponding path program 1 times [2020-10-27 17:34:40,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:40,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1775529095] [2020-10-27 17:34:40,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:40,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:40,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:42,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:42,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:42,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-27 17:34:42,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:34:42,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2029 [2020-10-27 17:34:42,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:42,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:42,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-27 17:34:42,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 17:34:42,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:34:43,098 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-27 17:34:43,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:43,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:43,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:43,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:43,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:43,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:34:43,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:43,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:43,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:43,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:43,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:43,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:43,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:43,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:43,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-27 17:34:43,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:43,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-27 17:34:43,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:43,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:43,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:43,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-27 17:34:43,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:43,450 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:34:43,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1775529095] [2020-10-27 17:34:43,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:43,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:34:43,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937052800] [2020-10-27 17:34:43,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:34:43,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:43,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:34:43,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:34:43,455 INFO L87 Difference]: Start difference. First operand 2344 states and 3002 transitions. Second operand 5 states. [2020-10-27 17:34:43,628 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-27 17:34:47,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:47,145 INFO L93 Difference]: Finished difference Result 5856 states and 7726 transitions. [2020-10-27 17:34:47,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:34:47,147 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 208 [2020-10-27 17:34:47,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:47,173 INFO L225 Difference]: With dead ends: 5856 [2020-10-27 17:34:47,173 INFO L226 Difference]: Without dead ends: 3518 [2020-10-27 17:34:47,181 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 17:34:47,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3518 states. [2020-10-27 17:34:47,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3518 to 3498. [2020-10-27 17:34:47,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3498 states. [2020-10-27 17:34:47,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3498 states to 3498 states and 4436 transitions. [2020-10-27 17:34:47,312 INFO L78 Accepts]: Start accepts. Automaton has 3498 states and 4436 transitions. Word has length 208 [2020-10-27 17:34:47,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:47,313 INFO L481 AbstractCegarLoop]: Abstraction has 3498 states and 4436 transitions. [2020-10-27 17:34:47,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:34:47,314 INFO L276 IsEmpty]: Start isEmpty. Operand 3498 states and 4436 transitions. [2020-10-27 17:34:47,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-10-27 17:34:47,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:47,324 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:34:47,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:34:47,325 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:47,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:47,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1625020230, now seen corresponding path program 1 times [2020-10-27 17:34:47,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:47,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [599808549] [2020-10-27 17:34:47,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:47,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:47,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:47,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:48,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:50,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:52,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:52,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:52,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-27 17:34:52,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 17:34:52,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-27 17:34:52,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:52,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:52,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 220 [2020-10-27 17:34:52,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 17:34:52,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:52,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:52,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:52,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:52,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:52,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:52,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:34:52,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:52,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:52,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:52,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:52,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:52,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 17:34:52,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:52,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 17:34:52,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:52,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:52,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:52,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:52,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:52,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 17:34:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:52,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:52,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:52,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 17:34:52,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:52,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-27 17:34:52,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:52,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:52,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:52,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-27 17:34:52,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:53,029 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-27 17:34:53,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [599808549] [2020-10-27 17:34:53,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:53,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:34:53,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702855960] [2020-10-27 17:34:53,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:34:53,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:53,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:34:53,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:34:53,033 INFO L87 Difference]: Start difference. First operand 3498 states and 4436 transitions. Second operand 5 states. [2020-10-27 17:34:53,592 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-27 17:34:56,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:56,699 INFO L93 Difference]: Finished difference Result 8155 states and 10614 transitions. [2020-10-27 17:34:56,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:34:56,702 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 275 [2020-10-27 17:34:56,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:56,733 INFO L225 Difference]: With dead ends: 8155 [2020-10-27 17:34:56,733 INFO L226 Difference]: Without dead ends: 4663 [2020-10-27 17:34:56,745 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 17:34:56,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4663 states. [2020-10-27 17:34:56,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4663 to 4641. [2020-10-27 17:34:56,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4641 states. [2020-10-27 17:34:56,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4641 states to 4641 states and 5877 transitions. [2020-10-27 17:34:56,898 INFO L78 Accepts]: Start accepts. Automaton has 4641 states and 5877 transitions. Word has length 275 [2020-10-27 17:34:56,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:56,899 INFO L481 AbstractCegarLoop]: Abstraction has 4641 states and 5877 transitions. [2020-10-27 17:34:56,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:34:56,900 INFO L276 IsEmpty]: Start isEmpty. Operand 4641 states and 5877 transitions. [2020-10-27 17:34:56,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-10-27 17:34:56,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:56,916 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:34:56,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 17:34:56,917 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:56,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:56,918 INFO L82 PathProgramCache]: Analyzing trace with hash -82077337, now seen corresponding path program 1 times [2020-10-27 17:34:56,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:56,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1681452440] [2020-10-27 17:34:56,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:57,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:57,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:57,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:58,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:59,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:02,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:02,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 329 [2020-10-27 17:35:02,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 17:35:02,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-27 17:35:02,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:35:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 260 [2020-10-27 17:35:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 17:35:02,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:02,234 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-27 17:35:02,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:35:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:02,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:02,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:02,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:35:02,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:35:02,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:35:02,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:02,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:35:02,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:35:02,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:35:02,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:02,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:35:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:02,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:02,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:02,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-27 17:35:02,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:35:02,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 17:35:02,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:02,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:35:02,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:35:02,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:35:02,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:02,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 17:35:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:02,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:02,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:02,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 17:35:02,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:35:02,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-27 17:35:02,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:02,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:35:02,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:35:02,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 17:35:02,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:35:02,797 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-27 17:35:02,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1681452440] [2020-10-27 17:35:02,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:35:02,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:35:02,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615616463] [2020-10-27 17:35:02,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:35:02,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:35:02,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:35:02,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:35:02,802 INFO L87 Difference]: Start difference. First operand 4641 states and 5877 transitions. Second operand 5 states. [2020-10-27 17:35:03,526 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-27 17:35:07,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:35:07,013 INFO L93 Difference]: Finished difference Result 11187 states and 14543 transitions. [2020-10-27 17:35:07,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:35:07,015 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 315 [2020-10-27 17:35:07,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:35:07,052 INFO L225 Difference]: With dead ends: 11187 [2020-10-27 17:35:07,053 INFO L226 Difference]: Without dead ends: 6552 [2020-10-27 17:35:07,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 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 17:35:07,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6552 states. [2020-10-27 17:35:07,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6552 to 6352. [2020-10-27 17:35:07,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6352 states. [2020-10-27 17:35:07,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6352 states to 6352 states and 8126 transitions. [2020-10-27 17:35:07,255 INFO L78 Accepts]: Start accepts. Automaton has 6352 states and 8126 transitions. Word has length 315 [2020-10-27 17:35:07,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:35:07,256 INFO L481 AbstractCegarLoop]: Abstraction has 6352 states and 8126 transitions. [2020-10-27 17:35:07,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:35:07,256 INFO L276 IsEmpty]: Start isEmpty. Operand 6352 states and 8126 transitions. [2020-10-27 17:35:07,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2020-10-27 17:35:07,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:35:07,280 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:35:07,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 17:35:07,280 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:35:07,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:35:07,281 INFO L82 PathProgramCache]: Analyzing trace with hash -589276103, now seen corresponding path program 1 times [2020-10-27 17:35:07,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:35:07,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036641348] [2020-10-27 17:35:07,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:35:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:07,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:07,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:07,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:10,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:12,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:12,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:12,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 388 [2020-10-27 17:35:12,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 17:35:12,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5091 [2020-10-27 17:35:12,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:12,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:35:12,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 319 [2020-10-27 17:35:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 17:35:12,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:12,665 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-27 17:35:12,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:35:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:12,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:12,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:12,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:35:12,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:35:12,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:35:12,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:12,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:35:12,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:35:12,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:35:12,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:12,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:35:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:12,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:12,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:12,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-27 17:35:12,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:35:12,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 17:35:12,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:12,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:35:12,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:35:12,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:35:12,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:12,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 17:35:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:12,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:13,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:13,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-27 17:35:13,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:35:13,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-10-27 17:35:13,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:35:13,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:35:13,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-27 17:35:13,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:35:13,311 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-10-27 17:35:13,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036641348] [2020-10-27 17:35:13,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:35:13,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:35:13,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883590623] [2020-10-27 17:35:13,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:35:13,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:35:13,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:35:13,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:35:13,314 INFO L87 Difference]: Start difference. First operand 6352 states and 8126 transitions. Second operand 5 states. [2020-10-27 17:35:14,024 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-27 17:35:17,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:35:17,412 INFO L93 Difference]: Finished difference Result 14053 states and 18333 transitions. [2020-10-27 17:35:17,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:35:17,420 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 374 [2020-10-27 17:35:17,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:35:17,421 INFO L225 Difference]: With dead ends: 14053 [2020-10-27 17:35:17,421 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 17:35:17,448 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 17:35:17,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 17:35:17,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 17:35:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 17:35:17,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 17:35:17,449 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 374 [2020-10-27 17:35:17,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:35:17,449 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 17:35:17,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:35:17,449 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 17:35:17,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 17:35:17,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 17:35:17,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 17:35:17,990 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 21 [2020-10-27 17:35:18,127 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 21 [2020-10-27 17:35:18,448 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 23 [2020-10-27 17:35:19,632 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 226 DAG size of output: 48 [2020-10-27 17:35:19,846 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-27 17:35:20,273 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 29 [2020-10-27 17:35:20,278 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 17:35:20,278 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 17:35:20,278 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 17:35:20,279 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 17:35:20,279 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:35:20,279 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a23~0 |old(~a23~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#valid)| |#valid|) (= ~a3~0 |old(~a3~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-27 17:35:20,280 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:35:20,280 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,280 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,280 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,280 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,280 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-27 17:35:20,280 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-27 17:35:20,280 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,281 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,281 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,281 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,281 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,281 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,281 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-27 17:35:20,281 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-27 17:35:20,281 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-27 17:35:20,281 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,281 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,282 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,282 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,282 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,282 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,282 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,282 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-27 17:35:20,282 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-27 17:35:20,282 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-27 17:35:20,282 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,282 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,283 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,283 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,283 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,283 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,283 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,283 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,283 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,284 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-27 17:35:20,284 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-27 17:35:20,284 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-27 17:35:20,284 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,284 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,284 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,284 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,284 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,284 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,284 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,285 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,285 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,285 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-27 17:35:20,285 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-27 17:35:20,285 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-27 17:35:20,285 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-27 17:35:20,285 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-27 17:35:20,286 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-27 17:35:20,286 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-27 17:35:20,286 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,286 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,286 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,286 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,286 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,286 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,286 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,287 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,287 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,287 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,287 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-27 17:35:20,287 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-27 17:35:20,287 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-27 17:35:20,287 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,287 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,287 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,288 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,288 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,288 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,288 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-27 17:35:20,288 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-27 17:35:20,288 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-27 17:35:20,288 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,289 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,289 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,289 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,289 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-27 17:35:20,289 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-27 17:35:20,289 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,289 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,289 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,289 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,290 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,290 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,290 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-27 17:35:20,290 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-27 17:35:20,290 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,290 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,290 INFO L270 CegarLoopResult]: At program point L188(line 188) the Hoare annotation is: (and (not (<= 180 |old(~a23~0)|)) (not (< 1 |old(~a4~0)|)) (not (<= |old(~a25~0)| 9)) (not (<= |old(~a29~0)| 276)) (not (= 12 |old(~a25~0)|)) (not (= 10 |old(~a25~0)|)) (not (= 11 |old(~a25~0)|)) (not (<= |old(~a4~0)| 0))) [2020-10-27 17:35:20,291 INFO L274 CegarLoopResult]: For program point L188-1(line 188) no Hoare annotation was computed. [2020-10-27 17:35:20,291 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-27 17:35:20,291 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-27 17:35:20,291 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,291 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,291 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,291 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,291 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,291 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,292 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,292 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-27 17:35:20,292 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-27 17:35:20,292 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-27 17:35:20,292 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-27 17:35:20,292 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-27 17:35:20,292 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-27 17:35:20,292 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-27 17:35:20,292 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,293 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse1 (= ~a23~0 |old(~a23~0)|)) (.cse2 (= ~a29~0 |old(~a29~0)|)) (.cse3 (= ~a4~0 |old(~a4~0)|))) (let ((.cse0 (and (= ~a25~0 |old(~a25~0)|) .cse1 .cse2 .cse3))) (and (or (not (<= |old(~a29~0)| 276)) .cse0) (or (not (<= |old(~a25~0)| 9)) .cse0) (or (not (<= 180 |old(~a23~0)|)) .cse0) (or (and (not (< 1 |old(~a4~0)|)) (not (<= |old(~a4~0)| 0))) .cse0) (or (not (= 10 |old(~a25~0)|)) .cse0) (or (and .cse1 .cse2 (= ~a25~0 12) .cse3) (not (= 12 |old(~a25~0)|))) (or .cse0 (not (= 11 |old(~a25~0)|)))))) [2020-10-27 17:35:20,293 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,293 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-27 17:35:20,293 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-27 17:35:20,293 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,293 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,293 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,293 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,293 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,294 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-27 17:35:20,294 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-27 17:35:20,294 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-27 17:35:20,294 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,294 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,294 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,294 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,294 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,294 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,294 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-27 17:35:20,295 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-27 17:35:20,295 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-27 17:35:20,295 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,295 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,295 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,295 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,295 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,295 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,295 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,295 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,296 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-27 17:35:20,296 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-27 17:35:20,296 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-27 17:35:20,296 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,296 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,296 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,296 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,296 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,296 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,296 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,297 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,297 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,297 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,297 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,297 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-27 17:35:20,297 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-27 17:35:20,297 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-27 17:35:20,297 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-27 17:35:20,297 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-27 17:35:20,297 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,298 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,298 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,298 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,298 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,298 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,298 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,298 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-27 17:35:20,298 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-27 17:35:20,298 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-27 17:35:20,298 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,299 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,299 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,299 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-27 17:35:20,299 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-27 17:35:20,299 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,299 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,299 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,299 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,299 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,300 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-27 17:35:20,300 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-27 17:35:20,300 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,300 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,300 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-27 17:35:20,300 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-27 17:35:20,300 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,300 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,300 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,300 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,301 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,301 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,301 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-27 17:35:20,301 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-27 17:35:20,301 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-27 17:35:20,301 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-27 17:35:20,301 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,301 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,301 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,301 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,302 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,302 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,302 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,302 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,302 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-27 17:35:20,302 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-27 17:35:20,302 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-27 17:35:20,302 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-27 17:35:20,302 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-27 17:35:20,303 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-27 17:35:20,303 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,303 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,303 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,303 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,303 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,303 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,303 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,303 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,304 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-27 17:35:20,304 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-27 17:35:20,304 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,304 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,304 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,304 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,304 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,304 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,304 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-27 17:35:20,304 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-27 17:35:20,305 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,305 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,305 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,305 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,305 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,305 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,305 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,305 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-27 17:35:20,305 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,305 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,305 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,306 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-27 17:35:20,306 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-27 17:35:20,306 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-27 17:35:20,306 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,306 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-27 17:35:20,306 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,306 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-27 17:35:20,306 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,306 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,306 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,307 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,307 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,307 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,307 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-27 17:35:20,307 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-27 17:35:20,307 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-27 17:35:20,307 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,307 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,307 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,308 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,308 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,308 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,308 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,308 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,308 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,308 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,308 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-27 17:35:20,308 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-27 17:35:20,308 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-27 17:35:20,309 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,309 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-27 17:35:20,309 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-27 17:35:20,309 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,309 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,309 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:35:20,309 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,309 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,309 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-27 17:35:20,309 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-27 17:35:20,310 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-27 17:35:20,310 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-27 17:35:20,310 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:35:20,310 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 10) (= ~a23~0 312) (<= ~a29~0 276)) [2020-10-27 17:35:20,310 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 17:35:20,310 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:35:20,310 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 276)) (not (= 10 |old(~a25~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a23~0 312))) [2020-10-27 17:35:20,310 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-27 17:35:20,311 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (or (= ~a25~0 11) (<= ~a4~0 0) (not (= 312 |old(~a23~0)|)) (<= ~a25~0 9) (= ~a25~0 10) (not (<= |old(~a29~0)| 276)) (< 1 ~a4~0) (<= 180 ~a23~0) (not (= 10 |old(~a25~0)|)) (= ~a25~0 12) (<= ~a29~0 276)) [2020-10-27 17:35:20,311 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-27 17:35:20,311 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-27 17:35:20,311 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (or (= ~a25~0 11) (<= ~a4~0 0) (not (= 312 |old(~a23~0)|)) (<= ~a25~0 9) (= ~a25~0 10) (not (<= |old(~a29~0)| 276)) (< 1 ~a4~0) (<= 180 ~a23~0) (not (= 10 |old(~a25~0)|)) (= ~a25~0 12) (<= ~a29~0 276)) [2020-10-27 17:35:20,311 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-27 17:35:20,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:35:20 BoogieIcfgContainer [2020-10-27 17:35:20,334 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:35:20,336 INFO L168 Benchmark]: Toolchain (without parser) took 77371.12 ms. Allocated memory was 163.6 MB in the beginning and 997.2 MB in the end (delta: 833.6 MB). Free memory was 134.9 MB in the beginning and 614.6 MB in the end (delta: -479.7 MB). Peak memory consumption was 354.0 MB. Max. memory is 8.0 GB. [2020-10-27 17:35:20,336 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 163.6 MB. Free memory was 136.4 MB in the beginning and 136.3 MB in the end (delta: 94.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:35:20,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1129.60 ms. Allocated memory is still 163.6 MB. Free memory was 134.2 MB in the beginning and 134.3 MB in the end (delta: -128.7 kB). Peak memory consumption was 45.2 MB. Max. memory is 8.0 GB. [2020-10-27 17:35:20,338 INFO L168 Benchmark]: Boogie Preprocessor took 210.47 ms. Allocated memory is still 163.6 MB. Free memory was 134.3 MB in the beginning and 127.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-27 17:35:20,338 INFO L168 Benchmark]: RCFGBuilder took 2387.11 ms. Allocated memory was 163.6 MB in the beginning and 207.6 MB in the end (delta: 44.0 MB). Free memory was 127.0 MB in the beginning and 88.3 MB in the end (delta: 38.7 MB). Peak memory consumption was 82.8 MB. Max. memory is 8.0 GB. [2020-10-27 17:35:20,339 INFO L168 Benchmark]: TraceAbstraction took 73629.43 ms. Allocated memory was 207.6 MB in the beginning and 997.2 MB in the end (delta: 789.6 MB). Free memory was 87.8 MB in the beginning and 614.6 MB in the end (delta: -526.8 MB). Peak memory consumption was 262.8 MB. Max. memory is 8.0 GB. [2020-10-27 17:35:20,342 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 163.6 MB. Free memory was 136.4 MB in the beginning and 136.3 MB in the end (delta: 94.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1129.60 ms. Allocated memory is still 163.6 MB. Free memory was 134.2 MB in the beginning and 134.3 MB in the end (delta: -128.7 kB). Peak memory consumption was 45.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 210.47 ms. Allocated memory is still 163.6 MB. Free memory was 134.3 MB in the beginning and 127.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2387.11 ms. Allocated memory was 163.6 MB in the beginning and 207.6 MB in the end (delta: 44.0 MB). Free memory was 127.0 MB in the beginning and 88.3 MB in the end (delta: 38.7 MB). Peak memory consumption was 82.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 73629.43 ms. Allocated memory was 207.6 MB in the beginning and 997.2 MB in the end (delta: 789.6 MB). Free memory was 87.8 MB in the beginning and 614.6 MB in the end (delta: -526.8 MB). Peak memory consumption was 262.8 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: 1036]: Loop Invariant Derived loop invariant: (((((((((a25 == 11 || a4 <= 0) || !(312 == \old(a23))) || a25 <= 9) || a25 == 10) || !(\old(a29) <= 276)) || 1 < a4) || 180 <= a23) || !(10 == \old(a25))) || a25 == 12) || a29 <= 276 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 70.6s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 36.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 391 SDtfs, 4193 SDslu, 507 SDs, 0 SdLazy, 10848 SolverSat, 1029 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 66 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6352occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 9 MinimizatonAttempts, 283 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 303 PreInvPairs, 391 NumberOfFragments, 344 HoareAnnotationTreeSize, 303 FomulaSimplifications, 95252 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4454 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 31.5s InterpolantComputationTime, 1837 NumberOfCodeBlocks, 1837 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1828 ConstructedInterpolants, 0 QuantifiedInterpolants, 1099136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 966/977 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...