/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/Problem01_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:30:16,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:30:16,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:30:16,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:30:16,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:30:16,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:30:16,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:30:16,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:30:16,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:30:16,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:30:16,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:30:16,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:30:16,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:30:16,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:30:16,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:30:16,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:30:16,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:30:16,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:30:16,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:30:16,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:30:16,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:30:16,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:30:16,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:30:16,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:30:17,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:30:17,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:30:17,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:30:17,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:30:17,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:30:17,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:30:17,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:30:17,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:30:17,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:30:17,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:30:17,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:30:17,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:30:17,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:30:17,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:30:17,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:30:17,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:30:17,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:30:17,015 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 15:30:17,041 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:30:17,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:30:17,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:30:17,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:30:17,043 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:30:17,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:30:17,044 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:30:17,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:30:17,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:30:17,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:30:17,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:30:17,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:30:17,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:30:17,045 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:30:17,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:30:17,046 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:30:17,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:30:17,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:30:17,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:30:17,047 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:30:17,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:30:17,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:30:17,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:30:17,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:30:17,048 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:30:17,048 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:30:17,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:30:17,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:30:17,049 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:30:17,049 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:30:17,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:30:17,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:30:17,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:30:17,479 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:30:17,480 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:30:17,481 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2020-10-27 15:30:17,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81480dfd8/7d8ffae79ae445a4a9b0275fc753f73c/FLAGad3bd7122 [2020-10-27 15:30:18,311 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:30:18,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2020-10-27 15:30:18,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81480dfd8/7d8ffae79ae445a4a9b0275fc753f73c/FLAGad3bd7122 [2020-10-27 15:30:18,517 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81480dfd8/7d8ffae79ae445a4a9b0275fc753f73c [2020-10-27 15:30:18,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:30:18,528 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:30:18,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:30:18,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:30:18,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:30:18,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:30:18" (1/1) ... [2020-10-27 15:30:18,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@104476a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:18, skipping insertion in model container [2020-10-27 15:30:18,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:30:18" (1/1) ... [2020-10-27 15:30:18,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:30:18,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:30:19,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:30:19,073 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:30:19,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:30:19,275 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:30:19,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:19 WrapperNode [2020-10-27 15:30:19,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:30:19,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:30:19,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:30:19,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:30:19,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:19" (1/1) ... [2020-10-27 15:30:19,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:19" (1/1) ... [2020-10-27 15:30:19,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:19" (1/1) ... [2020-10-27 15:30:19,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:19" (1/1) ... [2020-10-27 15:30:19,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:19" (1/1) ... [2020-10-27 15:30:19,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:19" (1/1) ... [2020-10-27 15:30:19,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:19" (1/1) ... [2020-10-27 15:30:19,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:30:19,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:30:19,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:30:19,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:30:19,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:30:19,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:30:19,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:30:19,517 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:30:19,517 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:30:19,518 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:30:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:30:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:30:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:30:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:30:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:30:19,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:30:19,520 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:30:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:30:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:30:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:30:19,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:30:19,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:30:19,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:30:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:30:20,901 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:30:20,902 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:30:20,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:30:20 BoogieIcfgContainer [2020-10-27 15:30:20,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:30:20,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:30:20,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:30:20,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:30:20,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:30:18" (1/3) ... [2020-10-27 15:30:20,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@169e11de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:30:20, skipping insertion in model container [2020-10-27 15:30:20,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:19" (2/3) ... [2020-10-27 15:30:20,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@169e11de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:30:20, skipping insertion in model container [2020-10-27 15:30:20,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:30:20" (3/3) ... [2020-10-27 15:30:20,917 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label05.c [2020-10-27 15:30:20,929 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:30:20,934 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:30:20,948 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:30:20,981 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:30:20,981 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:30:20,982 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:30:20,982 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:30:20,982 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:30:20,982 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:30:20,982 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:30:20,982 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:30:21,011 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-27 15:30:21,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-27 15:30:21,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:30:21,038 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:30:21,039 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:30:21,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:30:21,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1723079445, now seen corresponding path program 1 times [2020-10-27 15:30:21,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:30:21,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1453810305] [2020-10-27 15:30:21,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:30:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:21,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:21,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:22,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:22,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 15:30:22,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:30:22,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1645 [2020-10-27 15:30:22,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:22,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 15:30:22,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:30:22,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 15:30:22,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:30:23,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:30:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:23,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:23,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:23,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:30:23,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:30:23,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 15:30:23,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:23,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:30:23,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:30:23,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:30:23,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:24,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:30:24,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1453810305] [2020-10-27 15:30:24,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:30:24,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 15:30:24,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93875938] [2020-10-27 15:30:24,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 15:30:24,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:30:24,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 15:30:24,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:30:24,093 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 12 states. [2020-10-27 15:30:24,333 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 15:30:24,528 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 15:30:24,698 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 15:30:24,906 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 15:30:25,293 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2020-10-27 15:30:25,786 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 118 [2020-10-27 15:30:26,420 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 117 [2020-10-27 15:30:27,162 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 116 [2020-10-27 15:30:27,649 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 114 [2020-10-27 15:30:28,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:30:28,937 INFO L93 Difference]: Finished difference Result 479 states and 799 transitions. [2020-10-27 15:30:28,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 15:30:28,940 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 101 [2020-10-27 15:30:28,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:30:28,955 INFO L225 Difference]: With dead ends: 479 [2020-10-27 15:30:28,956 INFO L226 Difference]: Without dead ends: 206 [2020-10-27 15:30:28,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2020-10-27 15:30:28,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-27 15:30:29,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2020-10-27 15:30:29,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-10-27 15:30:29,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 278 transitions. [2020-10-27 15:30:29,035 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 278 transitions. Word has length 101 [2020-10-27 15:30:29,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:30:29,036 INFO L481 AbstractCegarLoop]: Abstraction has 206 states and 278 transitions. [2020-10-27 15:30:29,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 15:30:29,036 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 278 transitions. [2020-10-27 15:30:29,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-27 15:30:29,042 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:30:29,042 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:30:29,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:30:29,043 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:30:29,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:30:29,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1772403571, now seen corresponding path program 1 times [2020-10-27 15:30:29,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:30:29,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081620196] [2020-10-27 15:30:29,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:30:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:29,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:29,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:29,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:31,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:31,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 15:30:31,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:30:31,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1995 [2020-10-27 15:30:31,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:31,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:30:31,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 15:30:31,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-27 15:30:31,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:30:31,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:30:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:31,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:31,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:31,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:30:31,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:30:31,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:30:31,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:31,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:30:31,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:30:31,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:30:31,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:31,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:30:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:31,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:31,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:31,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:30:31,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:30:31,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:30:31,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:31,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:30:31,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:30:31,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 15:30:31,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:31,325 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:30:31,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081620196] [2020-10-27 15:30:31,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:30:31,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:30:31,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784836296] [2020-10-27 15:30:31,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:30:31,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:30:31,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:30:31,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:30:31,329 INFO L87 Difference]: Start difference. First operand 206 states and 278 transitions. Second operand 5 states. [2020-10-27 15:30:31,476 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 15:30:32,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:30:32,727 INFO L93 Difference]: Finished difference Result 483 states and 693 transitions. [2020-10-27 15:30:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:30:32,728 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-10-27 15:30:32,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:30:32,739 INFO L225 Difference]: With dead ends: 483 [2020-10-27 15:30:32,739 INFO L226 Difference]: Without dead ends: 343 [2020-10-27 15:30:32,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:30:32,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-10-27 15:30:32,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2020-10-27 15:30:32,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2020-10-27 15:30:32,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 467 transitions. [2020-10-27 15:30:32,796 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 467 transitions. Word has length 109 [2020-10-27 15:30:32,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:30:32,797 INFO L481 AbstractCegarLoop]: Abstraction has 343 states and 467 transitions. [2020-10-27 15:30:32,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:30:32,798 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 467 transitions. [2020-10-27 15:30:32,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-27 15:30:32,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:30:32,801 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:30:32,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:30:32,802 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:30:32,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:30:32,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1426351886, now seen corresponding path program 1 times [2020-10-27 15:30:32,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:30:32,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1359792624] [2020-10-27 15:30:32,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:30:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:32,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:32,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:33,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:33,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-27 15:30:33,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:30:33,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 619 [2020-10-27 15:30:33,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:33,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:30:33,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 15:30:33,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-27 15:30:33,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:33,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:30:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:33,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:33,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:33,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:30:33,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:30:33,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:30:33,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:33,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:30:33,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:30:33,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:30:33,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:33,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:30:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:33,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:33,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:33,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:30:33,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:30:33,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 15:30:33,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:33,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:30:33,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:30:33,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 15:30:33,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:33,769 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:30:33,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1359792624] [2020-10-27 15:30:33,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:30:33,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:30:33,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787162714] [2020-10-27 15:30:33,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:30:33,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:30:33,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:30:33,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:30:33,775 INFO L87 Difference]: Start difference. First operand 343 states and 467 transitions. Second operand 5 states. [2020-10-27 15:30:35,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:30:35,266 INFO L93 Difference]: Finished difference Result 894 states and 1264 transitions. [2020-10-27 15:30:35,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:30:35,267 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-10-27 15:30:35,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:30:35,272 INFO L225 Difference]: With dead ends: 894 [2020-10-27 15:30:35,272 INFO L226 Difference]: Without dead ends: 617 [2020-10-27 15:30:35,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:30:35,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2020-10-27 15:30:35,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 617. [2020-10-27 15:30:35,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2020-10-27 15:30:35,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 841 transitions. [2020-10-27 15:30:35,310 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 841 transitions. Word has length 112 [2020-10-27 15:30:35,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:30:35,311 INFO L481 AbstractCegarLoop]: Abstraction has 617 states and 841 transitions. [2020-10-27 15:30:35,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:30:35,311 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 841 transitions. [2020-10-27 15:30:35,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-27 15:30:35,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:30:35,316 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 15:30:35,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:30:35,317 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:30:35,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:30:35,318 INFO L82 PathProgramCache]: Analyzing trace with hash 86793992, now seen corresponding path program 1 times [2020-10-27 15:30:35,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:30:35,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2097110146] [2020-10-27 15:30:35,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:30:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:35,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:35,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:35,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:36,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:37,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:37,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-27 15:30:37,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:30:37,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2297 [2020-10-27 15:30:37,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:37,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:30:37,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-27 15:30:37,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-27 15:30:37,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:37,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:30:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:37,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:37,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:37,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:30:37,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:30:37,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:30:37,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:37,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:30:37,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:30:37,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:30:37,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:37,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:30:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:37,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:37,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:37,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:30:37,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:30:37,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:30:37,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:37,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:30:37,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:30:37,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:30:37,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 15:30:37,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 15:30:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:37,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:37,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:37,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 15:30:37,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:30:37,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 15:30:37,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:37,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:30:37,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:30:37,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 15:30:37,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:38,063 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 15:30:38,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2097110146] [2020-10-27 15:30:38,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:30:38,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:30:38,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249260089] [2020-10-27 15:30:38,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:30:38,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:30:38,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:30:38,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:30:38,069 INFO L87 Difference]: Start difference. First operand 617 states and 841 transitions. Second operand 5 states. [2020-10-27 15:30:38,456 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 15:30:39,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:30:39,434 INFO L93 Difference]: Finished difference Result 1247 states and 1761 transitions. [2020-10-27 15:30:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:30:39,435 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-10-27 15:30:39,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:30:39,439 INFO L225 Difference]: With dead ends: 1247 [2020-10-27 15:30:39,439 INFO L226 Difference]: Without dead ends: 617 [2020-10-27 15:30:39,441 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:30:39,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2020-10-27 15:30:39,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 617. [2020-10-27 15:30:39,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2020-10-27 15:30:39,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 839 transitions. [2020-10-27 15:30:39,466 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 839 transitions. Word has length 132 [2020-10-27 15:30:39,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:30:39,466 INFO L481 AbstractCegarLoop]: Abstraction has 617 states and 839 transitions. [2020-10-27 15:30:39,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:30:39,467 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 839 transitions. [2020-10-27 15:30:39,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-27 15:30:39,470 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:30:39,470 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:30:39,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:30:39,470 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:30:39,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:30:39,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1111080569, now seen corresponding path program 1 times [2020-10-27 15:30:39,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:30:39,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1723729194] [2020-10-27 15:30:39,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:30:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:39,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:39,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:39,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:40,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:41,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:41,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 15:30:41,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:30:41,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2162 [2020-10-27 15:30:41,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:41,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:30:41,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-27 15:30:41,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 15:30:41,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:41,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:30:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:41,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:41,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:41,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:30:41,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:30:41,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:30:41,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:41,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:30:41,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:30:41,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:30:41,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:42,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:30:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:42,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:42,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:42,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:30:42,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:30:42,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:30:42,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:42,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:30:42,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:30:42,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:30:42,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:42,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 15:30:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:42,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:42,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:42,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 15:30:42,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:30:42,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 15:30:42,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:42,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:30:42,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:30:42,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 15:30:42,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:42,222 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 15:30:42,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1723729194] [2020-10-27 15:30:42,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:30:42,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:30:42,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962191513] [2020-10-27 15:30:42,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:30:42,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:30:42,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:30:42,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:30:42,225 INFO L87 Difference]: Start difference. First operand 617 states and 839 transitions. Second operand 5 states. [2020-10-27 15:30:42,638 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-27 15:30:43,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:30:43,533 INFO L93 Difference]: Finished difference Result 1244 states and 1753 transitions. [2020-10-27 15:30:43,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:30:43,534 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2020-10-27 15:30:43,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:30:43,539 INFO L225 Difference]: With dead ends: 1244 [2020-10-27 15:30:43,539 INFO L226 Difference]: Without dead ends: 617 [2020-10-27 15:30:43,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:30:43,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2020-10-27 15:30:43,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 617. [2020-10-27 15:30:43,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2020-10-27 15:30:43,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 837 transitions. [2020-10-27 15:30:43,573 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 837 transitions. Word has length 137 [2020-10-27 15:30:43,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:30:43,573 INFO L481 AbstractCegarLoop]: Abstraction has 617 states and 837 transitions. [2020-10-27 15:30:43,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:30:43,573 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 837 transitions. [2020-10-27 15:30:43,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-27 15:30:43,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:30:43,576 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:30:43,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:30:43,577 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:30:43,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:30:43,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1377368205, now seen corresponding path program 1 times [2020-10-27 15:30:43,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:30:43,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [696745930] [2020-10-27 15:30:43,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:30:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:43,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:43,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:43,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:47,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:48,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:48,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-27 15:30:48,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:30:48,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 15:30:48,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:48,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 15:30:48,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-27 15:30:48,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 15:30:48,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:48,992 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2020-10-27 15:30:49,162 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2020-10-27 15:30:49,370 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 44 [2020-10-27 15:30:49,538 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2020-10-27 15:30:49,707 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 41 [2020-10-27 15:30:49,867 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 40 [2020-10-27 15:30:50,038 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 37 [2020-10-27 15:30:50,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:30:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:50,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:50,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:50,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:30:50,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:30:50,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:30:50,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:50,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:30:50,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:30:50,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:30:50,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:50,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:30:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:50,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:50,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:50,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:30:50,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:30:50,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:30:50,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:50,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:30:50,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:30:50,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:30:50,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:50,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 15:30:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:50,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:50,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:50,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 15:30:50,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:30:50,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 15:30:50,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:50,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:30:50,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:30:50,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 15:30:50,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:50,391 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 15:30:50,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [696745930] [2020-10-27 15:30:50,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:30:50,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 15:30:50,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503924891] [2020-10-27 15:30:50,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 15:30:50,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:30:50,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 15:30:50,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 15:30:50,394 INFO L87 Difference]: Start difference. First operand 617 states and 837 transitions. Second operand 13 states. [2020-10-27 15:30:51,190 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 15:30:51,430 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 15:30:52,041 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 124 [2020-10-27 15:30:52,732 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 123 [2020-10-27 15:30:52,985 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2020-10-27 15:30:53,361 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 122 [2020-10-27 15:30:53,799 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 121 [2020-10-27 15:30:54,444 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2020-10-27 15:30:54,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:30:54,979 INFO L93 Difference]: Finished difference Result 1230 states and 1718 transitions. [2020-10-27 15:30:54,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 15:30:54,980 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 143 [2020-10-27 15:30:54,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:30:54,985 INFO L225 Difference]: With dead ends: 1230 [2020-10-27 15:30:54,985 INFO L226 Difference]: Without dead ends: 679 [2020-10-27 15:30:54,987 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2020-10-27 15:30:54,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2020-10-27 15:30:55,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 671. [2020-10-27 15:30:55,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2020-10-27 15:30:55,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 900 transitions. [2020-10-27 15:30:55,015 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 900 transitions. Word has length 143 [2020-10-27 15:30:55,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:30:55,016 INFO L481 AbstractCegarLoop]: Abstraction has 671 states and 900 transitions. [2020-10-27 15:30:55,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 15:30:55,016 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 900 transitions. [2020-10-27 15:30:55,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-27 15:30:55,019 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:30:55,020 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:30:55,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 15:30:55,020 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:30:55,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:30:55,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1337985041, now seen corresponding path program 1 times [2020-10-27 15:30:55,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:30:55,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1055520862] [2020-10-27 15:30:55,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:30:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:55,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:55,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:55,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:56,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:57,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:57,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-27 15:30:57,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:30:57,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2376 [2020-10-27 15:30:57,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:57,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:30:57,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 15:30:57,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 15:30:57,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:57,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:30:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:57,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:57,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:57,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:30:57,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:30:57,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:30:57,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:57,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:30:57,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:30:57,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:30:57,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:57,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:30:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:57,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:57,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:57,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:30:57,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:30:57,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:30:57,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:57,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:30:57,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:30:57,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:30:57,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:57,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 15:30:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:57,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:57,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:30:57,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 15:30:57,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:30:57,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 15:30:57,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:30:57,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:30:57,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:30:57,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 15:30:57,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:30:58,043 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 15:30:58,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1055520862] [2020-10-27 15:30:58,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:30:58,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:30:58,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142651872] [2020-10-27 15:30:58,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:30:58,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:30:58,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:30:58,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:30:58,046 INFO L87 Difference]: Start difference. First operand 671 states and 900 transitions. Second operand 5 states. [2020-10-27 15:30:58,686 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-27 15:30:59,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:30:59,405 INFO L93 Difference]: Finished difference Result 1350 states and 1873 transitions. [2020-10-27 15:30:59,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:30:59,406 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-10-27 15:30:59,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:30:59,410 INFO L225 Difference]: With dead ends: 1350 [2020-10-27 15:30:59,411 INFO L226 Difference]: Without dead ends: 671 [2020-10-27 15:30:59,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:30:59,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2020-10-27 15:30:59,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2020-10-27 15:30:59,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2020-10-27 15:30:59,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 896 transitions. [2020-10-27 15:30:59,437 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 896 transitions. Word has length 157 [2020-10-27 15:30:59,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:30:59,438 INFO L481 AbstractCegarLoop]: Abstraction has 671 states and 896 transitions. [2020-10-27 15:30:59,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:30:59,438 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 896 transitions. [2020-10-27 15:30:59,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-27 15:30:59,441 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:30:59,442 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:30:59,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 15:30:59,442 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:30:59,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:30:59,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1364535880, now seen corresponding path program 1 times [2020-10-27 15:30:59,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:30:59,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2057125299] [2020-10-27 15:30:59,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:30:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:30:59,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:30:59,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:00,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:00,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:01,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:03,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:03,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-27 15:31:03,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:31:03,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4071 [2020-10-27 15:31:03,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:03,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:31:03,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-27 15:31:03,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 15:31:03,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:31:03,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:31:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:03,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:03,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:03,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:31:03,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:31:03,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:31:03,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:03,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:31:03,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:31:03,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:31:03,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:31:03,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:31:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:03,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:03,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:03,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:31:03,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:31:03,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 15:31:03,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:03,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:31:03,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:31:03,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:31:03,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:31:03,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 15:31:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:03,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:03,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:03,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 15:31:03,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:31:03,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 15:31:03,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:03,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:31:03,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:31:03,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 15:31:03,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:31:04,081 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 76 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 15:31:04,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2057125299] [2020-10-27 15:31:04,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:31:04,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:31:04,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666341962] [2020-10-27 15:31:04,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:31:04,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:31:04,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:31:04,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:31:04,087 INFO L87 Difference]: Start difference. First operand 671 states and 896 transitions. Second operand 5 states. [2020-10-27 15:31:04,853 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 15:31:05,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:31:05,400 INFO L93 Difference]: Finished difference Result 1221 states and 1665 transitions. [2020-10-27 15:31:05,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:31:05,401 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2020-10-27 15:31:05,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:31:05,402 INFO L225 Difference]: With dead ends: 1221 [2020-10-27 15:31:05,402 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:31:05,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:31:05,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:31:05,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:31:05,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:31:05,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:31:05,406 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 182 [2020-10-27 15:31:05,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:31:05,406 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:31:05,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:31:05,406 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:31:05,406 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:31:05,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 15:31:05,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:31:05,828 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 40 [2020-10-27 15:31:07,540 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 206 DAG size of output: 129 [2020-10-27 15:31:07,866 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2020-10-27 15:31:08,236 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-10-27 15:31:08,540 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 89 [2020-10-27 15:31:08,544 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:31:08,544 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:31:08,545 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:31:08,545 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:31:08,545 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:31:08,545 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-27 15:31:08,545 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:31:08,546 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,546 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,546 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,546 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,546 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,546 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,546 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-27 15:31:08,546 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-27 15:31:08,546 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-27 15:31:08,547 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-27 15:31:08,547 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-27 15:31:08,547 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-27 15:31:08,547 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-27 15:31:08,547 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-27 15:31:08,547 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-27 15:31:08,547 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-27 15:31:08,547 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-27 15:31:08,547 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-27 15:31:08,547 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,548 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,548 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,548 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,548 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,548 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,548 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-27 15:31:08,548 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-27 15:31:08,548 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-27 15:31:08,548 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-27 15:31:08,549 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-27 15:31:08,549 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-27 15:31:08,549 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-27 15:31:08,549 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-27 15:31:08,549 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-27 15:31:08,549 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-27 15:31:08,549 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,549 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,549 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,549 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,550 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,550 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,550 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-27 15:31:08,550 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-27 15:31:08,550 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-27 15:31:08,550 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-27 15:31:08,550 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-27 15:31:08,550 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-27 15:31:08,550 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-27 15:31:08,551 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-27 15:31:08,551 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-27 15:31:08,551 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-27 15:31:08,551 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-27 15:31:08,551 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-27 15:31:08,551 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-27 15:31:08,551 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-27 15:31:08,551 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-27 15:31:08,551 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,551 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,552 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,552 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,552 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,552 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-27 15:31:08,552 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-27 15:31:08,552 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-27 15:31:08,552 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-27 15:31:08,552 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-27 15:31:08,552 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-27 15:31:08,552 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-27 15:31:08,553 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-27 15:31:08,553 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-27 15:31:08,553 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,553 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,553 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,553 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,553 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,553 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-27 15:31:08,553 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-27 15:31:08,553 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-27 15:31:08,554 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-27 15:31:08,554 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-27 15:31:08,554 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-27 15:31:08,554 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-27 15:31:08,554 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-27 15:31:08,554 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-27 15:31:08,554 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-27 15:31:08,554 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-27 15:31:08,554 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-27 15:31:08,554 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-27 15:31:08,554 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,555 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,555 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,555 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,555 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,555 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-27 15:31:08,555 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-27 15:31:08,555 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-27 15:31:08,555 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,555 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,555 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-27 15:31:08,555 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-27 15:31:08,556 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-27 15:31:08,556 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-27 15:31:08,556 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-27 15:31:08,556 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-27 15:31:08,556 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,556 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,556 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,556 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,556 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-27 15:31:08,556 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,557 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-27 15:31:08,557 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-27 15:31:08,557 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-27 15:31:08,557 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-27 15:31:08,557 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-27 15:31:08,557 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-27 15:31:08,557 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-27 15:31:08,557 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-27 15:31:08,557 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-27 15:31:08,558 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-27 15:31:08,558 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-27 15:31:08,558 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-27 15:31:08,558 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-27 15:31:08,558 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,558 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,558 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,558 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,558 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,558 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-27 15:31:08,558 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-27 15:31:08,559 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-27 15:31:08,559 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-27 15:31:08,559 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-27 15:31:08,559 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-27 15:31:08,559 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-27 15:31:08,559 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-27 15:31:08,559 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,559 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,560 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse5 (not (<= 4 |old(~a16~0)|))) (.cse12 (not (<= |old(~a21~0)| 1))) (.cse13 (not (<= 1 |old(~a7~0)|))) (.cse14 (not (<= 1 |old(~a21~0)|))) (.cse15 (<= 1 ~a7~0)) (.cse7 (<= ~a16~0 4)) (.cse8 (<= 4 ~a16~0)) (.cse16 (<= ~a21~0 1)) (.cse17 (<= 1 ~a21~0)) (.cse18 (<= ~a7~0 1)) (.cse9 (not (<= |old(~a16~0)| 4))) (.cse19 (not (<= |old(~a7~0)| 1))) (.cse20 (not (<= |old(~a17~0)| 0))) (.cse11 (not (<= |old(~a20~0)| 0))) (.cse1 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a16~0 |old(~a16~0)|)) (.cse4 (= ~a8~0 |old(~a8~0)|)) (.cse23 (not (= |old(~a17~0)| |old(~a20~0)|))) (.cse6 (= ~a7~0 |old(~a7~0)|)) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse21 (= ~a21~0 1)) (.cse2 (= ~a20~0 |old(~a20~0)|)) (.cse22 (= 5 ~a16~0)) (.cse24 (not (= 5 |old(~a16~0)|))) (.cse25 (not (= |old(~a21~0)| 1))) (.cse10 (not (= ~a12~0 8))) (.cse26 (not (= 0 |old(~a17~0)|)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~a20~0 ~a7~0)) (not (= |old(~a7~0)| |old(~a20~0)|))) (or .cse5 (not (< 0 |old(~a17~0)|)) (and .cse6 .cse0 (< 12 ~a8~0) .cse1 .cse2 .cse7 .cse8 (<= ~a8~0 13)) (and (not (<= |old(~a21~0)| 0)) (not (<= 2 |old(~a21~0)|))) (not (<= |old(~a8~0)| 13)) .cse9 (not (<= |old(~a17~0)| 1)) (not (< 12 |old(~a8~0)|)) (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 2)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6))) .cse10 .cse11) (or .cse5 (not (<= 14 |old(~a8~0)|)) .cse12 .cse13 .cse14 (and .cse15 .cse0 .cse2 .cse7 .cse4 .cse8 .cse16 .cse17 .cse18) .cse9 .cse19 (not (<= |old(~a8~0)| 14)) .cse20 .cse10 .cse11) (or (and .cse6 .cse0 .cse21 .cse2 (= ~a8~0 15) .cse22) .cse23 .cse24 (not (= 15 |old(~a8~0)|)) .cse25 .cse10 .cse26) (or .cse5 (not (<= |old(~a8~0)| 15)) .cse12 (not (<= 15 |old(~a8~0)|)) .cse13 .cse14 (and .cse15 .cse0 .cse2 .cse7 .cse8 .cse16 .cse17 (<= ~a8~0 15) (<= 15 ~a8~0) .cse18) .cse9 .cse19 .cse20 .cse10 .cse11) (or (and .cse6 .cse0 .cse1 .cse2 .cse3 .cse4) (= |old(~a7~0)| 1)) (or (not (= 14 |old(~a8~0)|)) .cse23 (and .cse6 .cse0 .cse21 .cse2 (= 14 ~a8~0) .cse22) .cse24 .cse25 .cse10 .cse26))) [2020-10-27 15:31:08,560 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,560 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,560 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,560 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-27 15:31:08,560 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-27 15:31:08,560 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-27 15:31:08,561 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-27 15:31:08,561 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-27 15:31:08,561 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-27 15:31:08,561 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-27 15:31:08,561 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-27 15:31:08,561 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-27 15:31:08,561 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-27 15:31:08,561 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-27 15:31:08,561 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,561 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,562 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,562 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,562 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-27 15:31:08,562 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,562 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,562 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-27 15:31:08,562 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-27 15:31:08,562 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-27 15:31:08,562 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-27 15:31:08,562 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-27 15:31:08,563 INFO L270 CegarLoopResult]: At program point L460(line 460) the Hoare annotation is: (let ((.cse0 (not (<= 4 |old(~a16~0)|))) (.cse4 (not (<= |old(~a21~0)| 1))) (.cse5 (not (<= 1 |old(~a21~0)|))) (.cse1 (not (<= |old(~a16~0)| 4))) (.cse6 (not (<= |old(~a17~0)| 0))) (.cse3 (not (<= |old(~a20~0)| 0))) (.cse7 (not (= |old(~a17~0)| |old(~a20~0)|))) (.cse8 (not (= 5 |old(~a16~0)|))) (.cse9 (not (= |old(~a21~0)| 1))) (.cse2 (not (= ~a12~0 8))) (.cse10 (not (= 0 |old(~a17~0)|)))) (and (or .cse0 (not (< 0 |old(~a17~0)|)) (and (not (<= |old(~a21~0)| 0)) (not (<= 2 |old(~a21~0)|))) (not (<= |old(~a8~0)| 13)) .cse1 (not (< 12 |old(~a8~0)|)) (not (<= |old(~a17~0)| 1)) (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 2)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6))) .cse2 .cse3) (or .cse0 (not (<= |old(~a8~0)| 15)) .cse4 (not (<= 15 |old(~a8~0)|)) .cse5 .cse1 .cse6 .cse2 .cse3) (or .cse7 .cse8 (not (= 15 |old(~a8~0)|)) .cse9 .cse2 .cse10) (not (= |old(~a7~0)| |old(~a20~0)|)) (or .cse0 (not (<= 14 |old(~a8~0)|)) .cse4 .cse5 .cse1 (not (<= |old(~a8~0)| 14)) .cse6 .cse2 .cse3) (or (not (= 14 |old(~a8~0)|)) .cse7 .cse8 .cse9 .cse2 .cse10) (= |old(~a7~0)| 1))) [2020-10-27 15:31:08,563 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-27 15:31:08,563 INFO L274 CegarLoopResult]: For program point L460-1(line 460) no Hoare annotation was computed. [2020-10-27 15:31:08,563 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-27 15:31:08,563 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-27 15:31:08,563 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-27 15:31:08,563 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-27 15:31:08,564 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-27 15:31:08,564 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,564 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,564 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,564 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,564 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,564 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-27 15:31:08,564 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:08,564 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-27 15:31:08,564 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-27 15:31:08,565 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-27 15:31:08,565 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-27 15:31:08,565 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-27 15:31:08,565 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-27 15:31:08,565 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-27 15:31:08,565 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-27 15:31:08,565 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-27 15:31:08,565 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-27 15:31:08,565 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-27 15:31:08,565 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-27 15:31:08,565 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-27 15:31:08,565 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-27 15:31:08,566 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:31:08,566 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (= ~a12~0 8) (= ~a8~0 15) (= ~a20~0 1) (= 5 ~a16~0) (= ~a7~0 0) (= ~a17~0 1)) [2020-10-27 15:31:08,566 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:31:08,566 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:31:08,566 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 15) (= 5 ~a16~0) (= ~a7~0 0)) (not (= |old(~a17~0)| 1)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)) (not (= |old(~a21~0)| 1)) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0))) [2020-10-27 15:31:08,566 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-27 15:31:08,567 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 4)) (.cse1 (<= ~a17~0 0)) (.cse2 (<= 4 ~a16~0)) (.cse3 (<= ~a21~0 1)) (.cse4 (<= 1 ~a21~0)) (.cse5 (<= ~a20~0 0)) (.cse6 (= ~a20~0 ~a17~0)) (.cse7 (= ~a21~0 1)) (.cse8 (= 5 ~a16~0)) (.cse9 (= ~a17~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~a8~0 15) (<= 15 ~a8~0) .cse5) (not (= |old(~a20~0)| 1)) (and .cse6 .cse7 (= ~a8~0 15) .cse8 .cse9) (not (= |old(~a21~0)| 1)) (= ~a20~0 ~a7~0) (and (<= 13 ~a8~0) (<= 1 ~a17~0) .cse0 (or (= 5 main_~input~0) (= 6 main_~input~0) (= main_~input~0 4) (= 3 main_~input~0) (= main_~input~0 1) (= 2 main_~input~0)) .cse2 (<= ~a17~0 1) (or (< 1 ~a21~0) (<= ~a21~0 0)) (<= ~a8~0 13) .cse5) (not (= |old(~a17~0)| 1)) (and (<= 14 ~a8~0) (<= ~a8~0 14) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 (= 14 ~a8~0) .cse8 .cse9) (not (= 5 |old(~a16~0)|)) (not (= ~a7~0 1)) (not (= 15 |old(~a8~0)|)) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0)))) [2020-10-27 15:31:08,567 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-27 15:31:08,567 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-27 15:31:08,567 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 4)) (.cse1 (<= ~a17~0 0)) (.cse2 (<= 4 ~a16~0)) (.cse3 (<= ~a21~0 1)) (.cse4 (<= 1 ~a21~0)) (.cse5 (<= ~a20~0 0)) (.cse6 (= ~a20~0 ~a17~0)) (.cse7 (= ~a21~0 1)) (.cse8 (= 5 ~a16~0)) (.cse9 (= ~a17~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~a8~0 15) (<= 15 ~a8~0) .cse5) (not (= |old(~a20~0)| 1)) (and (<= 13 ~a8~0) (<= 1 ~a17~0) .cse0 .cse2 (<= ~a17~0 1) (or (< 1 ~a21~0) (<= ~a21~0 0)) (<= ~a8~0 13) .cse5) (and .cse6 .cse7 (= ~a8~0 15) .cse8 .cse9) (not (= |old(~a21~0)| 1)) (= ~a20~0 ~a7~0) (not (= |old(~a17~0)| 1)) (and (<= 14 ~a8~0) (<= ~a8~0 14) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 (= 14 ~a8~0) .cse8 .cse9) (not (= 5 |old(~a16~0)|)) (not (= ~a7~0 1)) (not (= 15 |old(~a8~0)|)) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0)))) [2020-10-27 15:31:08,567 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-27 15:31:08,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:31:08 BoogieIcfgContainer [2020-10-27 15:31:08,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:31:08,591 INFO L168 Benchmark]: Toolchain (without parser) took 50067.98 ms. Allocated memory was 153.1 MB in the beginning and 744.5 MB in the end (delta: 591.4 MB). Free memory was 126.7 MB in the beginning and 572.1 MB in the end (delta: -445.4 MB). Peak memory consumption was 443.9 MB. Max. memory is 8.0 GB. [2020-10-27 15:31:08,591 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 153.1 MB. Free memory is still 125.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:31:08,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.20 ms. Allocated memory is still 153.1 MB. Free memory was 126.0 MB in the beginning and 99.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:31:08,592 INFO L168 Benchmark]: Boogie Preprocessor took 156.40 ms. Allocated memory is still 153.1 MB. Free memory was 99.2 MB in the beginning and 130.7 MB in the end (delta: -31.5 MB). Peak memory consumption was 6.0 MB. Max. memory is 8.0 GB. [2020-10-27 15:31:08,593 INFO L168 Benchmark]: RCFGBuilder took 1469.59 ms. Allocated memory was 153.1 MB in the beginning and 195.0 MB in the end (delta: 41.9 MB). Free memory was 130.7 MB in the beginning and 152.3 MB in the end (delta: -21.6 MB). Peak memory consumption was 86.0 MB. Max. memory is 8.0 GB. [2020-10-27 15:31:08,594 INFO L168 Benchmark]: TraceAbstraction took 47681.42 ms. Allocated memory was 195.0 MB in the beginning and 744.5 MB in the end (delta: 549.5 MB). Free memory was 152.3 MB in the beginning and 572.1 MB in the end (delta: -419.8 MB). Peak memory consumption was 427.0 MB. Max. memory is 8.0 GB. [2020-10-27 15:31:08,598 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 153.1 MB. Free memory is still 125.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 747.20 ms. Allocated memory is still 153.1 MB. Free memory was 126.0 MB in the beginning and 99.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 156.40 ms. Allocated memory is still 153.1 MB. Free memory was 99.2 MB in the beginning and 130.7 MB in the end (delta: -31.5 MB). Peak memory consumption was 6.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1469.59 ms. Allocated memory was 153.1 MB in the beginning and 195.0 MB in the end (delta: 41.9 MB). Free memory was 130.7 MB in the beginning and 152.3 MB in the end (delta: -21.6 MB). Peak memory consumption was 86.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 47681.42 ms. Allocated memory was 195.0 MB in the beginning and 744.5 MB in the end (delta: 549.5 MB). Free memory was 152.3 MB in the beginning and 572.1 MB in the end (delta: -419.8 MB). Peak memory consumption was 427.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((((((((((((((((a16 <= 4 && a17 <= 0) && 4 <= a16) && a21 <= 1) && 1 <= a21) && a8 <= 15) && 15 <= a8) && a20 <= 0) || !(\old(a20) == 1)) || (((((((13 <= a8 && 1 <= a17) && a16 <= 4) && 4 <= a16) && a17 <= 1) && (1 < a21 || a21 <= 0)) && a8 <= 13) && a20 <= 0)) || ((((a20 == a17 && a21 == 1) && a8 == 15) && 5 == a16) && a17 == 0)) || !(\old(a21) == 1)) || a20 == a7) || !(\old(a17) == 1)) || (((((((14 <= a8 && a8 <= 14) && a16 <= 4) && a17 <= 0) && 4 <= a16) && a21 <= 1) && 1 <= a21) && a20 <= 0)) || ((((a20 == a17 && a21 == 1) && 14 == a8) && 5 == a16) && a17 == 0)) || !(5 == \old(a16))) || !(a7 == 1)) || !(15 == \old(a8))) || !(a12 == 8)) || !(\old(a7) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 44.4s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 17.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 196 SDtfs, 2041 SDslu, 220 SDs, 0 SdLazy, 6274 SolverSat, 538 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 59 SyntacticMatches, 6 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 8.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=671occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 84 PreInvPairs, 102 NumberOfFragments, 1049 HoareAnnotationTreeSize, 84 FomulaSimplifications, 330 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1205 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 24.7s InterpolantComputationTime, 1073 NumberOfCodeBlocks, 1073 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1065 ConstructedInterpolants, 0 QuantifiedInterpolants, 2112520 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 269/281 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...