/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/Problem16_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 18:38:01,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 18:38:01,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 18:38:01,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 18:38:01,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 18:38:01,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 18:38:01,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 18:38:01,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 18:38:01,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 18:38:01,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 18:38:01,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 18:38:01,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 18:38:01,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 18:38:01,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 18:38:01,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 18:38:01,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 18:38:01,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 18:38:01,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 18:38:01,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 18:38:01,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 18:38:01,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 18:38:01,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 18:38:01,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 18:38:01,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 18:38:01,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 18:38:01,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 18:38:01,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 18:38:01,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 18:38:01,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 18:38:01,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 18:38:01,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 18:38:01,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 18:38:01,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 18:38:01,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 18:38:01,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 18:38:01,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 18:38:01,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 18:38:01,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 18:38:01,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 18:38:01,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 18:38:01,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 18:38:01,895 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 18:38:01,946 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 18:38:01,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 18:38:01,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 18:38:01,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 18:38:01,951 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 18:38:01,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 18:38:01,951 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 18:38:01,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 18:38:01,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 18:38:01,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 18:38:01,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 18:38:01,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 18:38:01,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 18:38:01,953 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 18:38:01,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 18:38:01,954 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 18:38:01,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 18:38:01,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 18:38:01,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 18:38:01,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 18:38:01,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 18:38:01,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 18:38:01,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 18:38:01,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 18:38:01,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 18:38:01,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 18:38:01,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 18:38:01,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 18:38:01,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 18:38:01,956 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 18:38:02,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 18:38:02,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 18:38:02,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 18:38:02,398 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 18:38:02,399 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 18:38:02,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label19.c [2020-10-27 18:38:02,471 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d6898757/da85624104284b0888d59804b62b1ade/FLAG27fc0c951 [2020-10-27 18:38:03,277 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 18:38:03,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem16_label19.c [2020-10-27 18:38:03,299 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d6898757/da85624104284b0888d59804b62b1ade/FLAG27fc0c951 [2020-10-27 18:38:03,489 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d6898757/da85624104284b0888d59804b62b1ade [2020-10-27 18:38:03,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 18:38:03,505 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 18:38:03,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 18:38:03,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 18:38:03,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 18:38:03,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:38:03" (1/1) ... [2020-10-27 18:38:03,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@346f6089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:03, skipping insertion in model container [2020-10-27 18:38:03,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:38:03" (1/1) ... [2020-10-27 18:38:03,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 18:38:03,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 18:38:04,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 18:38:04,408 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 18:38:04,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 18:38:04,622 INFO L208 MainTranslator]: Completed translation [2020-10-27 18:38:04,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:04 WrapperNode [2020-10-27 18:38:04,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 18:38:04,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 18:38:04,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 18:38:04,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 18:38:04,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:04" (1/1) ... [2020-10-27 18:38:04,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:04" (1/1) ... [2020-10-27 18:38:04,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:04" (1/1) ... [2020-10-27 18:38:04,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:04" (1/1) ... [2020-10-27 18:38:04,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:04" (1/1) ... [2020-10-27 18:38:04,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:04" (1/1) ... [2020-10-27 18:38:04,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:04" (1/1) ... [2020-10-27 18:38:04,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 18:38:04,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 18:38:04,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 18:38:04,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 18:38:04,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:04" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 18:38:04,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 18:38:04,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 18:38:04,916 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 18:38:04,916 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 18:38:04,917 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2020-10-27 18:38:04,917 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 18:38:04,917 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 18:38:04,917 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2020-10-27 18:38:04,917 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 18:38:04,917 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 18:38:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 18:38:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 18:38:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 18:38:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 18:38:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 18:38:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 18:38:04,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 18:38:04,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 18:38:04,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 18:38:04,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 18:38:04,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 18:38:07,918 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 18:38:07,918 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 18:38:07,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:38:07 BoogieIcfgContainer [2020-10-27 18:38:07,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 18:38:07,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 18:38:07,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 18:38:07,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 18:38:07,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:38:03" (1/3) ... [2020-10-27 18:38:07,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5298dfab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:38:07, skipping insertion in model container [2020-10-27 18:38:07,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:04" (2/3) ... [2020-10-27 18:38:07,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5298dfab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:38:07, skipping insertion in model container [2020-10-27 18:38:07,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:38:07" (3/3) ... [2020-10-27 18:38:07,949 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label19.c [2020-10-27 18:38:07,961 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 18:38:07,966 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 18:38:07,979 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 18:38:08,008 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 18:38:08,009 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 18:38:08,009 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 18:38:08,009 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 18:38:08,009 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 18:38:08,009 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 18:38:08,009 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 18:38:08,010 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 18:38:08,036 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states. [2020-10-27 18:38:08,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-27 18:38:08,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:38:08,045 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] [2020-10-27 18:38:08,045 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:38:08,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:38:08,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1582356444, now seen corresponding path program 1 times [2020-10-27 18:38:08,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:38:08,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1879846879] [2020-10-27 18:38:08,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:38:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:08,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:08,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:08,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 18:38:08,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:38:08,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 519 [2020-10-27 18:38:08,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:08,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 18:38:08,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 18:38:08,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 18:38:08,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 18:38:08,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:38:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:08,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:08,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:08,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:38:08,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:38:08,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 18:38:08,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:08,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:38:08,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:38:08,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 18:38:08,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:38:08,989 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 18:38:08,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1879846879] [2020-10-27 18:38:08,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 18:38:08,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 18:38:08,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191798612] [2020-10-27 18:38:08,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 18:38:08,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:38:09,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 18:38:09,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 18:38:09,021 INFO L87 Difference]: Start difference. First operand 413 states. Second operand 4 states. [2020-10-27 18:38:09,208 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-27 18:38:15,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:38:15,102 INFO L93 Difference]: Finished difference Result 1174 states and 2170 transitions. [2020-10-27 18:38:15,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:38:15,105 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2020-10-27 18:38:15,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:38:15,125 INFO L225 Difference]: With dead ends: 1174 [2020-10-27 18:38:15,126 INFO L226 Difference]: Without dead ends: 697 [2020-10-27 18:38:15,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:38:15,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2020-10-27 18:38:15,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 693. [2020-10-27 18:38:15,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-10-27 18:38:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 1015 transitions. [2020-10-27 18:38:15,250 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 1015 transitions. Word has length 50 [2020-10-27 18:38:15,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:38:15,251 INFO L481 AbstractCegarLoop]: Abstraction has 693 states and 1015 transitions. [2020-10-27 18:38:15,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 18:38:15,251 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1015 transitions. [2020-10-27 18:38:15,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-27 18:38:15,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:38:15,258 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:38:15,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 18:38:15,258 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:38:15,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:38:15,259 INFO L82 PathProgramCache]: Analyzing trace with hash -881517252, now seen corresponding path program 1 times [2020-10-27 18:38:15,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:38:15,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1744527230] [2020-10-27 18:38:15,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:38:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:15,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:15,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:16,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:16,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 18:38:16,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 18:38:16,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1180 [2020-10-27 18:38:16,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:16,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:38:16,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-27 18:38:16,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-27 18:38:16,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:38:16,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:38:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:16,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:16,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:16,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:38:16,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:38:16,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 18:38:16,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:16,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:38:16,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:38:16,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:38:16,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:38:16,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:38:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:16,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:16,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:16,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 18:38:16,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:38:16,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 18:38:16,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:16,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:38:16,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:38:16,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 18:38:16,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:38:16,837 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:38:16,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1744527230] [2020-10-27 18:38:16,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:38:16,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:38:16,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181115747] [2020-10-27 18:38:16,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:38:16,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:38:16,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:38:16,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:38:16,845 INFO L87 Difference]: Start difference. First operand 693 states and 1015 transitions. Second operand 5 states. [2020-10-27 18:38:22,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:38:22,735 INFO L93 Difference]: Finished difference Result 1726 states and 2651 transitions. [2020-10-27 18:38:22,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:38:22,736 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2020-10-27 18:38:22,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:38:22,745 INFO L225 Difference]: With dead ends: 1726 [2020-10-27 18:38:22,745 INFO L226 Difference]: Without dead ends: 1039 [2020-10-27 18:38:22,751 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 18:38:22,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2020-10-27 18:38:22,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1035. [2020-10-27 18:38:22,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2020-10-27 18:38:22,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1430 transitions. [2020-10-27 18:38:22,815 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1430 transitions. Word has length 126 [2020-10-27 18:38:22,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:38:22,822 INFO L481 AbstractCegarLoop]: Abstraction has 1035 states and 1430 transitions. [2020-10-27 18:38:22,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:38:22,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1430 transitions. [2020-10-27 18:38:22,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-27 18:38:22,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:38:22,841 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:38:22,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 18:38:22,841 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:38:22,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:38:22,843 INFO L82 PathProgramCache]: Analyzing trace with hash 510346710, now seen corresponding path program 1 times [2020-10-27 18:38:22,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:38:22,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1895277340] [2020-10-27 18:38:22,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:38:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:22,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:23,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:24,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:24,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-27 18:38:24,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 18:38:24,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1745 [2020-10-27 18:38:24,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:24,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:38:24,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-10-27 18:38:24,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-27 18:38:24,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:38:24,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:38:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:24,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:24,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:24,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:38:24,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:38:24,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:38:24,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:24,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:38:24,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:38:24,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:38:24,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:38:24,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:38:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:24,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:24,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:24,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 18:38:25,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:38:25,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-27 18:38:25,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:25,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:38:25,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:38:25,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 18:38:25,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:38:25,121 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:38:25,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1895277340] [2020-10-27 18:38:25,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:38:25,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:38:25,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469745790] [2020-10-27 18:38:25,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:38:25,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:38:25,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:38:25,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:38:25,124 INFO L87 Difference]: Start difference. First operand 1035 states and 1430 transitions. Second operand 5 states. [2020-10-27 18:38:25,770 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-27 18:38:31,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:38:31,338 INFO L93 Difference]: Finished difference Result 3088 states and 4304 transitions. [2020-10-27 18:38:31,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:38:31,339 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 179 [2020-10-27 18:38:31,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:38:31,350 INFO L225 Difference]: With dead ends: 3088 [2020-10-27 18:38:31,350 INFO L226 Difference]: Without dead ends: 2059 [2020-10-27 18:38:31,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 18:38:31,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2059 states. [2020-10-27 18:38:31,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2059 to 2055. [2020-10-27 18:38:31,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2055 states. [2020-10-27 18:38:31,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 2055 states and 2565 transitions. [2020-10-27 18:38:31,415 INFO L78 Accepts]: Start accepts. Automaton has 2055 states and 2565 transitions. Word has length 179 [2020-10-27 18:38:31,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:38:31,416 INFO L481 AbstractCegarLoop]: Abstraction has 2055 states and 2565 transitions. [2020-10-27 18:38:31,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:38:31,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2055 states and 2565 transitions. [2020-10-27 18:38:31,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-27 18:38:31,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:38:31,421 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:38:31,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 18:38:31,421 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:38:31,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:38:31,422 INFO L82 PathProgramCache]: Analyzing trace with hash 670220370, now seen corresponding path program 1 times [2020-10-27 18:38:31,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:38:31,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [54404057] [2020-10-27 18:38:31,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:38:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:31,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:31,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:32,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:32,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 18:38:32,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 18:38:32,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1010 [2020-10-27 18:38:32,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:32,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:38:32,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-10-27 18:38:32,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-27 18:38:32,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:38:32,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:38:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:32,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:32,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:32,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:38:32,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:38:32,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:38:32,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:32,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:38:32,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:38:32,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:38:32,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:38:32,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:38:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:32,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:32,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:32,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-27 18:38:32,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:38:32,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-27 18:38:32,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:38:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:38:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-27 18:38:32,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:38:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:38:33,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [54404057] [2020-10-27 18:38:33,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:38:33,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:38:33,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224392873] [2020-10-27 18:38:33,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:38:33,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:38:33,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:38:33,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:38:33,003 INFO L87 Difference]: Start difference. First operand 2055 states and 2565 transitions. Second operand 5 states. [2020-10-27 18:38:39,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:38:39,142 INFO L93 Difference]: Finished difference Result 4789 states and 6176 transitions. [2020-10-27 18:38:39,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:38:39,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 213 [2020-10-27 18:38:39,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:38:39,160 INFO L225 Difference]: With dead ends: 4789 [2020-10-27 18:38:39,160 INFO L226 Difference]: Without dead ends: 2740 [2020-10-27 18:38:39,166 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 18:38:39,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2020-10-27 18:38:39,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 2736. [2020-10-27 18:38:39,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2736 states. [2020-10-27 18:38:39,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 2736 states and 3354 transitions. [2020-10-27 18:38:39,242 INFO L78 Accepts]: Start accepts. Automaton has 2736 states and 3354 transitions. Word has length 213 [2020-10-27 18:38:39,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:38:39,242 INFO L481 AbstractCegarLoop]: Abstraction has 2736 states and 3354 transitions. [2020-10-27 18:38:39,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:38:39,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2736 states and 3354 transitions. [2020-10-27 18:38:39,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-27 18:38:39,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:38:39,247 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:38:39,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 18:38:39,248 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:38:39,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:38:39,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1185272296, now seen corresponding path program 1 times [2020-10-27 18:38:39,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:38:39,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [829238292] [2020-10-27 18:38:39,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:38:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:39,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:39,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:40,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:40,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:41,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:43,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:43,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-27 18:38:43,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:38:43,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4494 [2020-10-27 18:38:43,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:43,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:38:43,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-10-27 18:38:43,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-27 18:38:43,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:38:43,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:38:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:43,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:43,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:43,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:38:43,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:38:43,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:38:43,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:43,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:38:43,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:38:43,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:38:43,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:38:43,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:38:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:43,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:44,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:44,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 18:38:44,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:38:44,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 18:38:44,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:44,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:38:44,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:38:44,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:38:44,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:38:44,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 18:38:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:44,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:44,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:44,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 18:38:44,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:38:44,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 18:38:44,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:44,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:38:44,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:38:44,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-27 18:38:44,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:38:44,245 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-27 18:38:44,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [829238292] [2020-10-27 18:38:44,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:38:44,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 18:38:44,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666755996] [2020-10-27 18:38:44,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 18:38:44,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:38:44,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 18:38:44,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:38:44,248 INFO L87 Difference]: Start difference. First operand 2736 states and 3354 transitions. Second operand 6 states. [2020-10-27 18:38:51,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:38:51,450 INFO L93 Difference]: Finished difference Result 6832 states and 8551 transitions. [2020-10-27 18:38:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:38:51,453 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 236 [2020-10-27 18:38:51,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:38:51,478 INFO L225 Difference]: With dead ends: 6832 [2020-10-27 18:38:51,479 INFO L226 Difference]: Without dead ends: 4102 [2020-10-27 18:38:51,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:38:51,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4102 states. [2020-10-27 18:38:51,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4102 to 3761. [2020-10-27 18:38:51,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3761 states. [2020-10-27 18:38:51,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3761 states to 3761 states and 4661 transitions. [2020-10-27 18:38:51,633 INFO L78 Accepts]: Start accepts. Automaton has 3761 states and 4661 transitions. Word has length 236 [2020-10-27 18:38:51,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:38:51,634 INFO L481 AbstractCegarLoop]: Abstraction has 3761 states and 4661 transitions. [2020-10-27 18:38:51,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 18:38:51,634 INFO L276 IsEmpty]: Start isEmpty. Operand 3761 states and 4661 transitions. [2020-10-27 18:38:51,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-10-27 18:38:51,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:38:51,643 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:38:51,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 18:38:51,644 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:38:51,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:38:51,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1510197248, now seen corresponding path program 1 times [2020-10-27 18:38:51,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:38:51,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876437376] [2020-10-27 18:38:51,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:38:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:51,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:51,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:51,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:52,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:54,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:55,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:56,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:56,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:56,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 324 [2020-10-27 18:38:56,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 18:38:56,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-27 18:38:56,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:56,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:38:56,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-10-27 18:38:56,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 18:38:56,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:38:56,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:38:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:56,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:56,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:56,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:38:56,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:38:56,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 18:38:56,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:56,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:38:56,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:38:56,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:38:56,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:38:56,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:38:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:56,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:56,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:56,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 18:38:56,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:38:56,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 18:38:56,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:38:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:38:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:38:56,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:38:56,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 18:38:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:57,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:57,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:57,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 18:38:57,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:38:57,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 18:38:57,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:57,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:38:57,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:38:57,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-27 18:38:57,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:38:57,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-27 18:38:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:38:57,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:38:57,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:38:57,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 18:38:57,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:38:57,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 18:38:57,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:38:57,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:38:57,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:38:57,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-27 18:38:57,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:38:57,396 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 269 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-27 18:38:57,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876437376] [2020-10-27 18:38:57,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:38:57,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:38:57,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816671384] [2020-10-27 18:38:57,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:38:57,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:38:57,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:38:57,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:38:57,400 INFO L87 Difference]: Start difference. First operand 3761 states and 4661 transitions. Second operand 7 states. [2020-10-27 18:38:59,113 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-27 18:39:01,445 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-27 18:39:05,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:39:05,283 INFO L93 Difference]: Finished difference Result 8267 states and 10597 transitions. [2020-10-27 18:39:05,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 18:39:05,285 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 308 [2020-10-27 18:39:05,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:39:05,310 INFO L225 Difference]: With dead ends: 8267 [2020-10-27 18:39:05,310 INFO L226 Difference]: Without dead ends: 4512 [2020-10-27 18:39:05,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-27 18:39:05,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4512 states. [2020-10-27 18:39:05,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4512 to 4149. [2020-10-27 18:39:05,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4149 states. [2020-10-27 18:39:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4149 states to 4149 states and 5118 transitions. [2020-10-27 18:39:05,435 INFO L78 Accepts]: Start accepts. Automaton has 4149 states and 5118 transitions. Word has length 308 [2020-10-27 18:39:05,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:39:05,436 INFO L481 AbstractCegarLoop]: Abstraction has 4149 states and 5118 transitions. [2020-10-27 18:39:05,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:39:05,436 INFO L276 IsEmpty]: Start isEmpty. Operand 4149 states and 5118 transitions. [2020-10-27 18:39:05,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-10-27 18:39:05,444 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:39:05,445 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 18:39:05,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 18:39:05,445 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:39:05,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:39:05,446 INFO L82 PathProgramCache]: Analyzing trace with hash -169255080, now seen corresponding path program 1 times [2020-10-27 18:39:05,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:39:05,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [959122718] [2020-10-27 18:39:05,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:39:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:05,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:05,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:05,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:06,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:08,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:10,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:10,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 344 [2020-10-27 18:39:10,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:39:10,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 18:39:10,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:10,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:39:10,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-10-27 18:39:10,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 18:39:10,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:10,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:39:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:10,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:10,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:10,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:39:10,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:10,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 18:39:10,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:10,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:39:10,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:39:10,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:39:10,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:10,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:39:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:10,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:10,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:10,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 18:39:10,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:10,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 18:39:10,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:10,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:39:10,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:39:10,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:39:10,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:10,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 18:39:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:10,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:10,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:10,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 18:39:10,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:10,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 18:39:10,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:10,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:39:10,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:39:10,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-27 18:39:10,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 18:39:10,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-27 18:39:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:10,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:11,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:11,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-27 18:39:11,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:11,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 18:39:11,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:11,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:39:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:39:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 18:39:11,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:11,208 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 293 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-27 18:39:11,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [959122718] [2020-10-27 18:39:11,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:39:11,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 18:39:11,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556752654] [2020-10-27 18:39:11,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 18:39:11,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:39:11,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 18:39:11,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 18:39:11,211 INFO L87 Difference]: Start difference. First operand 4149 states and 5118 transitions. Second operand 8 states. [2020-10-27 18:39:12,018 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-27 18:39:17,192 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-27 18:39:20,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:39:20,725 INFO L93 Difference]: Finished difference Result 13128 states and 16704 transitions. [2020-10-27 18:39:20,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 18:39:20,727 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 328 [2020-10-27 18:39:20,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:39:20,767 INFO L225 Difference]: With dead ends: 13128 [2020-10-27 18:39:20,768 INFO L226 Difference]: Without dead ends: 8985 [2020-10-27 18:39:20,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-27 18:39:20,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8985 states. [2020-10-27 18:39:20,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8985 to 8287. [2020-10-27 18:39:20,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8287 states. [2020-10-27 18:39:20,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8287 states to 8287 states and 9896 transitions. [2020-10-27 18:39:20,991 INFO L78 Accepts]: Start accepts. Automaton has 8287 states and 9896 transitions. Word has length 328 [2020-10-27 18:39:20,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:39:20,991 INFO L481 AbstractCegarLoop]: Abstraction has 8287 states and 9896 transitions. [2020-10-27 18:39:20,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 18:39:20,992 INFO L276 IsEmpty]: Start isEmpty. Operand 8287 states and 9896 transitions. [2020-10-27 18:39:21,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2020-10-27 18:39:21,012 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:39:21,013 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:39:21,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 18:39:21,013 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:39:21,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:39:21,014 INFO L82 PathProgramCache]: Analyzing trace with hash -94627206, now seen corresponding path program 1 times [2020-10-27 18:39:21,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:39:21,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005360933] [2020-10-27 18:39:21,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:39:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:21,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:21,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:22,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:22,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:22,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:23,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:24,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:26,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:26,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 531 [2020-10-27 18:39:26,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 18:39:26,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-27 18:39:26,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:26,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:39:26,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 479 [2020-10-27 18:39:26,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 18:39:26,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:26,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:39:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:26,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:26,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:26,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:39:26,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:26,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 18:39:26,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:26,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:39:26,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:39:26,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:39:26,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:26,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:39:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:26,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:26,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:26,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 18:39:26,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:26,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 18:39:26,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:26,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:39:26,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:39:26,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:39:26,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:26,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 18:39:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:26,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:26,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:26,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 18:39:26,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:26,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-27 18:39:26,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:26,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:39:26,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:39:26,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:39:26,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:26,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-10-27 18:39:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:26,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:26,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:26,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-27 18:39:26,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:26,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 18:39:26,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:26,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:39:26,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:39:26,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 18:39:26,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:27,149 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 129 proven. 3 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2020-10-27 18:39:27,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005360933] [2020-10-27 18:39:27,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:39:27,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:39:27,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598322524] [2020-10-27 18:39:27,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:39:27,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:39:27,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:39:27,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:39:27,152 INFO L87 Difference]: Start difference. First operand 8287 states and 9896 transitions. Second operand 5 states. [2020-10-27 18:39:30,180 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-27 18:39:31,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:39:31,626 INFO L93 Difference]: Finished difference Result 16604 states and 19887 transitions. [2020-10-27 18:39:31,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:39:31,628 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 515 [2020-10-27 18:39:31,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:39:31,659 INFO L225 Difference]: With dead ends: 16604 [2020-10-27 18:39:31,659 INFO L226 Difference]: Without dead ends: 8291 [2020-10-27 18:39:31,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:39:31,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8291 states. [2020-10-27 18:39:31,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8291 to 8287. [2020-10-27 18:39:31,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8287 states. [2020-10-27 18:39:31,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8287 states to 8287 states and 9890 transitions. [2020-10-27 18:39:31,884 INFO L78 Accepts]: Start accepts. Automaton has 8287 states and 9890 transitions. Word has length 515 [2020-10-27 18:39:31,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:39:31,886 INFO L481 AbstractCegarLoop]: Abstraction has 8287 states and 9890 transitions. [2020-10-27 18:39:31,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:39:31,886 INFO L276 IsEmpty]: Start isEmpty. Operand 8287 states and 9890 transitions. [2020-10-27 18:39:31,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2020-10-27 18:39:31,909 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:39:31,910 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:39:31,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 18:39:31,910 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:39:31,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:39:31,911 INFO L82 PathProgramCache]: Analyzing trace with hash 146616296, now seen corresponding path program 1 times [2020-10-27 18:39:31,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:39:31,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1125330654] [2020-10-27 18:39:31,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:39:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:32,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:32,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:32,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:33,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:33,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:34,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:34,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:35,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:36,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:36,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 558 [2020-10-27 18:39:36,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 18:39:36,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 18:39:36,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:36,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:39:36,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 506 [2020-10-27 18:39:37,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 18:39:37,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:37,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:39:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:37,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:37,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:37,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:39:37,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:37,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 18:39:37,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:37,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:39:37,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:39:37,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:39:37,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:37,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:39:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:37,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:37,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:37,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 18:39:37,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:37,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 18:39:37,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:37,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:39:37,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:39:37,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:39:37,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:37,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 18:39:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:37,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:37,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:37,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 18:39:37,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:37,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 18:39:37,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:37,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:39:37,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:39:37,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:39:37,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:37,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-10-27 18:39:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:37,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:37,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:37,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 18:39:37,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:37,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-27 18:39:37,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:37,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:39:37,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:39:37,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-27 18:39:37,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:37,853 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 129 proven. 3 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2020-10-27 18:39:37,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1125330654] [2020-10-27 18:39:37,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:39:37,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:39:37,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737141193] [2020-10-27 18:39:37,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:39:37,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:39:37,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:39:37,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:39:37,856 INFO L87 Difference]: Start difference. First operand 8287 states and 9890 transitions. Second operand 5 states. [2020-10-27 18:39:41,064 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-27 18:39:42,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:39:42,344 INFO L93 Difference]: Finished difference Result 16601 states and 19867 transitions. [2020-10-27 18:39:42,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:39:42,350 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 542 [2020-10-27 18:39:42,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:39:42,377 INFO L225 Difference]: With dead ends: 16601 [2020-10-27 18:39:42,377 INFO L226 Difference]: Without dead ends: 8289 [2020-10-27 18:39:42,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:39:42,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8289 states. [2020-10-27 18:39:42,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8289 to 8285. [2020-10-27 18:39:42,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8285 states. [2020-10-27 18:39:42,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8285 states to 8285 states and 9877 transitions. [2020-10-27 18:39:42,625 INFO L78 Accepts]: Start accepts. Automaton has 8285 states and 9877 transitions. Word has length 542 [2020-10-27 18:39:42,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:39:42,627 INFO L481 AbstractCegarLoop]: Abstraction has 8285 states and 9877 transitions. [2020-10-27 18:39:42,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:39:42,627 INFO L276 IsEmpty]: Start isEmpty. Operand 8285 states and 9877 transitions. [2020-10-27 18:39:42,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2020-10-27 18:39:42,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:39:42,646 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:39:42,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 18:39:42,647 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:39:42,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:39:42,648 INFO L82 PathProgramCache]: Analyzing trace with hash -388830150, now seen corresponding path program 1 times [2020-10-27 18:39:42,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:39:42,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1551864946] [2020-10-27 18:39:42,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:39:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:42,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:42,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:43,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:43,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:45,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:45,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:47,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:47,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:47,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 689 [2020-10-27 18:39:47,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 18:39:47,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 18:39:47,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:47,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:39:47,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 637 [2020-10-27 18:39:47,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-27 18:39:47,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:47,957 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-27 18:39:47,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:39:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:47,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:47,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:47,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:39:47,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:47,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 18:39:47,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:47,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:39:47,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:39:47,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:39:47,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:47,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:39:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:47,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:48,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:48,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 18:39:48,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:48,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 18:39:48,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:48,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:39:48,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:39:48,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:39:48,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:48,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 18:39:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:48,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:48,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:48,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 18:39:48,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:48,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 18:39:48,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:48,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:39:48,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:39:48,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:39:48,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:48,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-10-27 18:39:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:48,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:48,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:48,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-27 18:39:48,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:48,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 18:39:48,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:48,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:39:48,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:39:48,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:39:48,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:48,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2020-10-27 18:39:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:48,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:48,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:48,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-27 18:39:48,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:48,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-27 18:39:48,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:48,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:39:48,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:39:48,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 18:39:48,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:48,604 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 173 proven. 4 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2020-10-27 18:39:48,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1551864946] [2020-10-27 18:39:48,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:39:48,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 18:39:48,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407208950] [2020-10-27 18:39:48,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 18:39:48,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:39:48,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 18:39:48,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:39:48,607 INFO L87 Difference]: Start difference. First operand 8285 states and 9877 transitions. Second operand 6 states. [2020-10-27 18:39:48,746 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-27 18:39:49,225 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-27 18:39:55,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:39:55,720 INFO L93 Difference]: Finished difference Result 16568 states and 19762 transitions. [2020-10-27 18:39:55,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 18:39:55,721 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 671 [2020-10-27 18:39:55,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:39:55,743 INFO L225 Difference]: With dead ends: 16568 [2020-10-27 18:39:55,744 INFO L226 Difference]: Without dead ends: 8289 [2020-10-27 18:39:55,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 18:39:55,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8289 states. [2020-10-27 18:39:55,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8289 to 8285. [2020-10-27 18:39:55,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8285 states. [2020-10-27 18:39:55,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8285 states to 8285 states and 9563 transitions. [2020-10-27 18:39:55,915 INFO L78 Accepts]: Start accepts. Automaton has 8285 states and 9563 transitions. Word has length 671 [2020-10-27 18:39:55,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:39:55,917 INFO L481 AbstractCegarLoop]: Abstraction has 8285 states and 9563 transitions. [2020-10-27 18:39:55,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 18:39:55,917 INFO L276 IsEmpty]: Start isEmpty. Operand 8285 states and 9563 transitions. [2020-10-27 18:39:55,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2020-10-27 18:39:55,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:39:55,937 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:39:55,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 18:39:55,937 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:39:55,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:39:55,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1763405818, now seen corresponding path program 1 times [2020-10-27 18:39:55,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:39:55,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [617858895] [2020-10-27 18:39:55,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:39:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:56,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:56,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:56,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:57,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:59,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:00,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:01,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:01,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:01,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 721 [2020-10-27 18:40:01,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 18:40:01,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5101 [2020-10-27 18:40:01,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:01,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:40:01,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 543 [2020-10-27 18:40:01,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-27 18:40:01,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:01,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:40:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:01,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:01,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:01,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:40:01,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:01,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:40:01,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:01,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:01,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:01,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:01,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:01,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:40:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:01,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:01,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:01,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 18:40:01,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:01,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 18:40:01,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:01,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:01,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:01,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:01,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:01,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 18:40:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:01,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:01,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:01,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 18:40:01,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:01,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 18:40:01,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:01,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:01,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:01,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:01,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:01,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-10-27 18:40:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:01,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:01,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:01,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-27 18:40:01,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:01,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 18:40:01,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:01,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:40:01,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:01,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 18:40:01,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:01,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2020-10-27 18:40:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:01,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:01,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:01,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-27 18:40:01,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:01,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-27 18:40:01,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:01,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:40:01,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:40:01,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-27 18:40:01,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:02,152 INFO L134 CoverageAnalysis]: Checked inductivity of 854 backedges. 508 proven. 2 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-10-27 18:40:02,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [617858895] [2020-10-27 18:40:02,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:40:02,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:40:02,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089790044] [2020-10-27 18:40:02,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:40:02,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:40:02,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:40:02,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:40:02,155 INFO L87 Difference]: Start difference. First operand 8285 states and 9563 transitions. Second operand 7 states. [2020-10-27 18:40:02,313 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-27 18:40:04,036 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-27 18:40:09,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:40:09,273 INFO L93 Difference]: Finished difference Result 22347 states and 26080 transitions. [2020-10-27 18:40:09,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 18:40:09,274 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 703 [2020-10-27 18:40:09,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:40:09,332 INFO L225 Difference]: With dead ends: 22347 [2020-10-27 18:40:09,332 INFO L226 Difference]: Without dead ends: 14068 [2020-10-27 18:40:09,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 18:40:09,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14068 states. [2020-10-27 18:40:09,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14068 to 9673. [2020-10-27 18:40:09,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9673 states. [2020-10-27 18:40:09,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9673 states to 9673 states and 11362 transitions. [2020-10-27 18:40:09,587 INFO L78 Accepts]: Start accepts. Automaton has 9673 states and 11362 transitions. Word has length 703 [2020-10-27 18:40:09,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:40:09,588 INFO L481 AbstractCegarLoop]: Abstraction has 9673 states and 11362 transitions. [2020-10-27 18:40:09,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:40:09,588 INFO L276 IsEmpty]: Start isEmpty. Operand 9673 states and 11362 transitions. [2020-10-27 18:40:09,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 929 [2020-10-27 18:40:09,620 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:40:09,622 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:40:09,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 18:40:09,623 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:40:09,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:40:09,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1966644392, now seen corresponding path program 1 times [2020-10-27 18:40:09,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:40:09,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1937271233] [2020-10-27 18:40:09,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:40:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:09,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:09,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:10,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:13,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:13,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:14,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:14,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 948 [2020-10-27 18:40:14,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:40:14,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5122 [2020-10-27 18:40:14,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:14,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:40:14,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 376 [2020-10-27 18:40:14,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-27 18:40:14,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:15,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:40:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:15,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:15,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:15,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:40:15,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:15,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:40:15,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:15,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:15,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:15,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:15,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:15,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:40:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:15,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:15,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:15,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 18:40:15,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:15,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 18:40:15,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:15,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:15,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:15,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:15,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:15,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 18:40:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:15,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:15,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:15,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 18:40:15,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:15,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-27 18:40:15,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:15,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:40:15,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:15,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 268 [2020-10-27 18:40:15,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:15,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-10-27 18:40:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:15,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:15,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:15,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-27 18:40:15,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:15,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-27 18:40:15,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:15,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:40:15,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:40:15,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 216 [2020-10-27 18:40:15,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:15,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2020-10-27 18:40:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:15,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:15,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:15,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-27 18:40:15,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:15,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 18:40:15,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 299 [2020-10-27 18:40:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:15,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:16,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-27 18:40:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:16,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:16,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:16,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 18:40:16,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:16,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:40:16,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:16,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:16,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:16,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:16,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:16,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 481 proven. 214 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2020-10-27 18:40:16,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1937271233] [2020-10-27 18:40:16,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:40:16,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:40:16,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686101570] [2020-10-27 18:40:16,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:40:16,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:40:16,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:40:16,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:40:16,794 INFO L87 Difference]: Start difference. First operand 9673 states and 11362 transitions. Second operand 7 states. [2020-10-27 18:40:18,352 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-27 18:40:19,840 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-27 18:40:23,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:40:23,937 INFO L93 Difference]: Finished difference Result 19744 states and 23354 transitions. [2020-10-27 18:40:23,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 18:40:23,938 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 928 [2020-10-27 18:40:23,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:40:23,969 INFO L225 Difference]: With dead ends: 19744 [2020-10-27 18:40:23,969 INFO L226 Difference]: Without dead ends: 10077 [2020-10-27 18:40:23,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-27 18:40:23,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10077 states. [2020-10-27 18:40:24,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10077 to 10034. [2020-10-27 18:40:24,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10034 states. [2020-10-27 18:40:24,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10034 states to 10034 states and 11797 transitions. [2020-10-27 18:40:24,176 INFO L78 Accepts]: Start accepts. Automaton has 10034 states and 11797 transitions. Word has length 928 [2020-10-27 18:40:24,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:40:24,176 INFO L481 AbstractCegarLoop]: Abstraction has 10034 states and 11797 transitions. [2020-10-27 18:40:24,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:40:24,177 INFO L276 IsEmpty]: Start isEmpty. Operand 10034 states and 11797 transitions. [2020-10-27 18:40:24,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 987 [2020-10-27 18:40:24,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:40:24,207 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:40:24,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 18:40:24,208 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:40:24,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:40:24,208 INFO L82 PathProgramCache]: Analyzing trace with hash -515257316, now seen corresponding path program 1 times [2020-10-27 18:40:24,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:40:24,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [585500702] [2020-10-27 18:40:24,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:40:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:24,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:24,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:24,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:25,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:26,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:29,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:29,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1008 [2020-10-27 18:40:29,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:40:29,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 18:40:29,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:40:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 436 [2020-10-27 18:40:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-27 18:40:29,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:29,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:40:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:29,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:29,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:29,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:40:29,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:29,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 18:40:29,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:29,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:29,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:29,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:29,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:29,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:40:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:29,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:29,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:29,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 18:40:29,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:29,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 18:40:29,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:29,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:29,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:29,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:29,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:29,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 18:40:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:29,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:29,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:29,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-27 18:40:29,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:29,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 18:40:29,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:29,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:29,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:29,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:29,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:29,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-10-27 18:40:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:29,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:29,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:29,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 18:40:29,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:29,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 18:40:29,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:29,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:40:29,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:29,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-27 18:40:29,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:29,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-10-27 18:40:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:29,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:29,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:29,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-27 18:40:29,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:29,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-27 18:40:29,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:29,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:40:29,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:40:29,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 216 [2020-10-27 18:40:29,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:30,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2020-10-27 18:40:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:30,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:30,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:30,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-27 18:40:30,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:30,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 18:40:30,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:30,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:30,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 299 [2020-10-27 18:40:30,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:30,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:30,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-27 18:40:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:30,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:30,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:30,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 18:40:30,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:30,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:40:30,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:30,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:30,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:30,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:30,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:31,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 639 proven. 214 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2020-10-27 18:40:31,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [585500702] [2020-10-27 18:40:31,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:40:31,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:40:31,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218765539] [2020-10-27 18:40:31,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:40:31,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:40:31,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:40:31,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:40:31,819 INFO L87 Difference]: Start difference. First operand 10034 states and 11797 transitions. Second operand 7 states. [2020-10-27 18:40:33,389 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-27 18:40:35,193 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-27 18:40:38,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:40:38,657 INFO L93 Difference]: Finished difference Result 20095 states and 23647 transitions. [2020-10-27 18:40:38,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 18:40:38,660 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 986 [2020-10-27 18:40:38,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:40:38,688 INFO L225 Difference]: With dead ends: 20095 [2020-10-27 18:40:38,688 INFO L226 Difference]: Without dead ends: 10067 [2020-10-27 18:40:38,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-27 18:40:38,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10067 states. [2020-10-27 18:40:38,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10067 to 10055. [2020-10-27 18:40:38,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10055 states. [2020-10-27 18:40:38,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10055 states to 10055 states and 11815 transitions. [2020-10-27 18:40:38,878 INFO L78 Accepts]: Start accepts. Automaton has 10055 states and 11815 transitions. Word has length 986 [2020-10-27 18:40:38,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:40:38,879 INFO L481 AbstractCegarLoop]: Abstraction has 10055 states and 11815 transitions. [2020-10-27 18:40:38,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:40:38,879 INFO L276 IsEmpty]: Start isEmpty. Operand 10055 states and 11815 transitions. [2020-10-27 18:40:39,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1254 [2020-10-27 18:40:39,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:40:39,038 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:40:39,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 18:40:39,039 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:40:39,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:40:39,040 INFO L82 PathProgramCache]: Analyzing trace with hash 368926746, now seen corresponding path program 1 times [2020-10-27 18:40:39,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:40:39,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [57546579] [2020-10-27 18:40:39,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:40:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:39,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:39,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:39,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:41,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:42,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:44,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:44,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1277 [2020-10-27 18:40:44,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:40:44,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-27 18:40:44,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:44,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:40:44,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 705 [2020-10-27 18:40:44,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-27 18:40:44,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:44,436 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-27 18:40:44,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:40:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:44,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:44,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:44,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:40:44,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:44,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 18:40:44,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:44,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:44,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:44,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:44,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:44,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:40:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:44,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:44,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:44,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 18:40:44,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:44,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 18:40:44,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:44,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:44,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 18:40:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:44,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:44,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:44,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 18:40:44,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:44,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 18:40:44,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:44,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:44,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:44,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:44,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:44,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-10-27 18:40:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:44,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:44,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:44,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 18:40:44,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:44,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 18:40:44,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:44,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:44,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:44,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:44,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:44,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-10-27 18:40:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:44,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:44,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:44,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-27 18:40:44,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:44,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-10-27 18:40:44,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:44,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:40:44,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:44,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 249 [2020-10-27 18:40:44,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:45,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 697 [2020-10-27 18:40:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:45,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:45,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:45,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-27 18:40:45,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:45,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-27 18:40:45,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:45,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:40:45,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:40:45,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 216 [2020-10-27 18:40:45,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:45,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2020-10-27 18:40:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:45,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:45,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:45,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-27 18:40:45,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:45,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-27 18:40:45,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:45,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:45,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 299 [2020-10-27 18:40:45,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:45,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:45,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-27 18:40:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:45,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:45,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:45,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 18:40:45,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:45,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:40:45,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:45,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:45,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:45,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:45,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:46,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2397 backedges. 863 proven. 214 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2020-10-27 18:40:46,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [57546579] [2020-10-27 18:40:46,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:40:46,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:40:46,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412787569] [2020-10-27 18:40:46,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:40:46,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:40:46,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:40:46,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:40:46,798 INFO L87 Difference]: Start difference. First operand 10055 states and 11815 transitions. Second operand 7 states. [2020-10-27 18:40:50,389 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-27 18:40:51,654 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-27 18:40:54,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:40:54,562 INFO L93 Difference]: Finished difference Result 20117 states and 23654 transitions. [2020-10-27 18:40:54,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 18:40:54,564 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1253 [2020-10-27 18:40:54,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:40:54,567 INFO L225 Difference]: With dead ends: 20117 [2020-10-27 18:40:54,567 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 18:40:54,588 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 18:40:54,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 18:40:54,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 18:40:54,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 18:40:54,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 18:40:54,589 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1253 [2020-10-27 18:40:54,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:40:54,590 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 18:40:54,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:40:54,590 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 18:40:54,590 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 18:40:54,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 18:40:54,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 18:40:56,350 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 193 [2020-10-27 18:40:57,136 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 193 [2020-10-27 18:40:57,319 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 25 [2020-10-27 18:40:58,915 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 211 DAG size of output: 57 [2020-10-27 18:41:00,602 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 261 DAG size of output: 57 [2020-10-27 18:41:00,716 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-27 18:41:01,539 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 42 [2020-10-27 18:41:03,326 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 244 DAG size of output: 91 [2020-10-27 18:41:03,836 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 39 [2020-10-27 18:41:04,717 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 42 [2020-10-27 18:41:04,722 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 5) no Hoare annotation was computed. [2020-10-27 18:41:04,722 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 5) the Hoare annotation is: true [2020-10-27 18:41:04,722 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 5) no Hoare annotation was computed. [2020-10-27 18:41:04,722 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-10-27 18:41:04,722 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 18:41:04,723 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a18~0 |old(~a18~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= |#t~string8.base| |old(#t~string8.base)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-27 18:41:04,723 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 18:41:04,723 INFO L274 CegarLoopResult]: For program point L1505(lines 1505 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,724 INFO L274 CegarLoopResult]: For program point L1695(lines 1695 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,724 INFO L274 CegarLoopResult]: For program point calculate_output2EXIT(lines 1496 1767) no Hoare annotation was computed. [2020-10-27 18:41:04,724 INFO L274 CegarLoopResult]: For program point L1555(lines 1555 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,724 INFO L274 CegarLoopResult]: For program point L1671(lines 1671 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,724 INFO L274 CegarLoopResult]: For program point L1605(lines 1605 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,724 INFO L274 CegarLoopResult]: For program point L1729(lines 1729 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,725 INFO L274 CegarLoopResult]: For program point L1630(lines 1630 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,725 INFO L274 CegarLoopResult]: For program point L1754(lines 1754 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,725 INFO L274 CegarLoopResult]: For program point L1523(lines 1523 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,725 INFO L274 CegarLoopResult]: For program point L1647(lines 1647 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,725 INFO L274 CegarLoopResult]: For program point L1581(lines 1581 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,725 INFO L274 CegarLoopResult]: For program point L1548(lines 1548 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,725 INFO L274 CegarLoopResult]: For program point L1499(lines 1499 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,725 INFO L274 CegarLoopResult]: For program point L1689(lines 1689 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,725 INFO L274 CegarLoopResult]: For program point L1706(lines 1706 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,725 INFO L274 CegarLoopResult]: For program point L1640(lines 1640 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,725 INFO L274 CegarLoopResult]: For program point L1665(lines 1665 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,725 INFO L274 CegarLoopResult]: For program point L1599(lines 1599 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,725 INFO L274 CegarLoopResult]: For program point L1723(lines 1723 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,727 INFO L274 CegarLoopResult]: For program point L1624(lines 1624 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,727 INFO L274 CegarLoopResult]: For program point L1748(lines 1748 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,727 INFO L274 CegarLoopResult]: For program point L1517(lines 1517 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,727 INFO L274 CegarLoopResult]: For program point L1575(lines 1575 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,727 INFO L274 CegarLoopResult]: For program point L1542(lines 1542 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,727 INFO L274 CegarLoopResult]: For program point L1658(lines 1658 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,727 INFO L274 CegarLoopResult]: For program point L1741(lines 1741 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,727 INFO L274 CegarLoopResult]: For program point L1568(lines 1568 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,728 INFO L270 CegarLoopResult]: At program point calculate_output2ENTRY(lines 1496 1767) the Hoare annotation is: (let ((.cse2 (= ~a18~0 |old(~a18~0)|)) (.cse3 (= ~a16~0 |old(~a16~0)|)) (.cse4 (= ~a15~0 |old(~a15~0)|))) (let ((.cse0 (and .cse2 .cse3 (= ~a12~0 |old(~a12~0)|) .cse4)) (.cse1 (not (= 9 |old(~a16~0)|)))) (and (or .cse0 (not (<= 0 (+ |old(~a18~0)| 155))) .cse1) (or .cse0 (not (<= 4 |old(~a15~0)|)) .cse1) (or .cse0 (not (= 8 |old(~a16~0)|))) (or (not (= 11 |old(~a16~0)|)) .cse0) (or .cse0 (not (<= 12 |old(~a16~0)|))) (or .cse0 (not (= 7 |old(~a12~0)|)) .cse1) (or (not (<= 10 |old(~a16~0)|)) .cse0 (= 9 |old(~a12~0)|)) (or (not (= 8 |old(~a12~0)|)) (and .cse2 (= ~a12~0 8) .cse3 .cse4) .cse1)))) [2020-10-27 18:41:04,728 INFO L274 CegarLoopResult]: For program point L1593(lines 1593 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,728 INFO L274 CegarLoopResult]: For program point L1717(lines 1717 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,728 INFO L274 CegarLoopResult]: For program point L1684(lines 1684 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,728 INFO L274 CegarLoopResult]: For program point L1618(lines 1618 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,728 INFO L274 CegarLoopResult]: For program point L1701(lines 1701 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,728 INFO L274 CegarLoopResult]: For program point L1635(lines 1635 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,728 INFO L274 CegarLoopResult]: For program point L1536(lines 1536 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,728 INFO L274 CegarLoopResult]: For program point L1759(lines 1759 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,729 INFO L274 CegarLoopResult]: For program point L1561(lines 1561 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,729 INFO L274 CegarLoopResult]: For program point L1677(lines 1677 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,729 INFO L274 CegarLoopResult]: For program point calculate_output2FINAL(lines 1496 1767) no Hoare annotation was computed. [2020-10-27 18:41:04,729 INFO L274 CegarLoopResult]: For program point L1611(lines 1611 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,729 INFO L274 CegarLoopResult]: For program point L1512(lines 1512 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,729 INFO L274 CegarLoopResult]: For program point L1735(lines 1735 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,729 INFO L274 CegarLoopResult]: For program point L1529(lines 1529 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,729 INFO L274 CegarLoopResult]: For program point L1653(lines 1653 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,729 INFO L274 CegarLoopResult]: For program point L1587(lines 1587 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,730 INFO L274 CegarLoopResult]: For program point L1711(lines 1711 1765) no Hoare annotation was computed. [2020-10-27 18:41:04,730 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-27 18:41:04,730 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-27 18:41:04,730 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-27 18:41:04,730 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,730 INFO L274 CegarLoopResult]: For program point L1424(lines 1424 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,730 INFO L274 CegarLoopResult]: For program point L1094(lines 1094 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,730 INFO L274 CegarLoopResult]: For program point L896(lines 896 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,731 INFO L274 CegarLoopResult]: For program point L830(lines 830 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,731 INFO L274 CegarLoopResult]: For program point L698(lines 698 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,731 INFO L274 CegarLoopResult]: For program point L1293(lines 1293 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,731 INFO L274 CegarLoopResult]: For program point L170-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,731 INFO L274 CegarLoopResult]: For program point L104-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,731 INFO L274 CegarLoopResult]: For program point L38-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,731 INFO L274 CegarLoopResult]: For program point L963(lines 963 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,731 INFO L274 CegarLoopResult]: For program point L765(lines 765 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,731 INFO L274 CegarLoopResult]: For program point L633(lines 633 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,731 INFO L274 CegarLoopResult]: For program point L369(lines 369 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,732 INFO L274 CegarLoopResult]: For program point L1360(lines 1360 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,732 INFO L274 CegarLoopResult]: For program point L237(lines 237 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,732 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-27 18:41:04,732 INFO L274 CegarLoopResult]: For program point L1162(lines 1162 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,732 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-27 18:41:04,732 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-27 18:41:04,732 INFO L270 CegarLoopResult]: At program point L1493(line 1493) the Hoare annotation is: (let ((.cse6 (= ~a18~0 |old(~a18~0)|)) (.cse7 (= ~a16~0 |old(~a16~0)|)) (.cse8 (= ~a15~0 |old(~a15~0)|))) (let ((.cse0 (not (<= |old(~a15~0)| 3))) (.cse1 (not (<= |old(~a16~0)| 10))) (.cse3 (not (<= 3 |old(~a15~0)|))) (.cse2 (not (<= 10 |old(~a16~0)|))) (.cse4 (and .cse6 .cse7 (= ~a12~0 |old(~a12~0)|) .cse8)) (.cse5 (not (= 9 |old(~a16~0)|)))) (and (or (not (<= |old(~a12~0)| 8)) .cse0 .cse1 (not (<= 0 (+ |old(~a18~0)| 135))) .cse2 (not (<= 8 |old(~a12~0)|)) (not (<= (+ |old(~a18~0)| 119) 0)) .cse3) (or .cse4 (not (<= 0 (+ |old(~a18~0)| 155))) .cse5) (or (not (<= 6 |old(~a12~0)|)) .cse0 .cse1 .cse2 (not (<= (+ |old(~a18~0)| 106) 0)) (not (<= 0 (+ |old(~a18~0)| 144))) (not (<= |old(~a12~0)| 6)) .cse3) (or .cse4 (not (<= 4 |old(~a15~0)|)) .cse5) (or .cse4 (not (= 8 |old(~a16~0)|))) (or (not (= 11 |old(~a16~0)|)) .cse4) (or .cse4 (not (<= 12 |old(~a16~0)|))) (or .cse4 (not (= 7 |old(~a12~0)|)) .cse5) (or .cse2 .cse4 (= 9 |old(~a12~0)|)) (or (not (= 8 |old(~a12~0)|)) (and .cse6 (= ~a12~0 8) .cse7 .cse8) .cse5)))) [2020-10-27 18:41:04,733 INFO L274 CegarLoopResult]: For program point L436(lines 436 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,733 INFO L274 CegarLoopResult]: For program point L1493-1(line 1493) no Hoare annotation was computed. [2020-10-27 18:41:04,733 INFO L274 CegarLoopResult]: For program point L1229(lines 1229 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,733 INFO L274 CegarLoopResult]: For program point L569(lines 569 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,733 INFO L274 CegarLoopResult]: For program point L503(lines 503 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,733 INFO L274 CegarLoopResult]: For program point L305(lines 305 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,733 INFO L274 CegarLoopResult]: For program point L173-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,733 INFO L274 CegarLoopResult]: For program point L107-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,733 INFO L274 CegarLoopResult]: For program point L41-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,733 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-27 18:41:04,733 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-27 18:41:04,734 INFO L274 CegarLoopResult]: For program point L1099(lines 1099 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,734 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-27 18:41:04,734 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,734 INFO L274 CegarLoopResult]: For program point L901(lines 901 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,734 INFO L274 CegarLoopResult]: For program point L1430(lines 1430 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,734 INFO L274 CegarLoopResult]: For program point L836(lines 836 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,734 INFO L274 CegarLoopResult]: For program point L638(lines 638 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,734 INFO L274 CegarLoopResult]: For program point L1299(lines 1299 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,734 INFO L274 CegarLoopResult]: For program point L242(lines 242 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,734 INFO L274 CegarLoopResult]: For program point L176-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,734 INFO L274 CegarLoopResult]: For program point L110-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,734 INFO L274 CegarLoopResult]: For program point L44-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,735 INFO L274 CegarLoopResult]: For program point L969(lines 969 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,735 INFO L274 CegarLoopResult]: For program point L771(lines 771 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,735 INFO L274 CegarLoopResult]: For program point L705(lines 705 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,735 INFO L274 CegarLoopResult]: For program point L375(lines 375 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,735 INFO L274 CegarLoopResult]: For program point L1366(lines 1366 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,735 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-27 18:41:04,735 INFO L274 CegarLoopResult]: For program point L1168(lines 1168 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,735 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-27 18:41:04,735 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-27 18:41:04,735 INFO L274 CegarLoopResult]: For program point L442(lines 442 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,735 INFO L274 CegarLoopResult]: For program point L575(lines 575 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,736 INFO L274 CegarLoopResult]: For program point L311(lines 311 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,736 INFO L274 CegarLoopResult]: For program point L1236(lines 1236 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,736 INFO L274 CegarLoopResult]: For program point L179-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,736 INFO L274 CegarLoopResult]: For program point L113-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,736 INFO L274 CegarLoopResult]: For program point L47-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,736 INFO L274 CegarLoopResult]: For program point L1038(lines 1038 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,736 INFO L274 CegarLoopResult]: For program point L708(lines 708 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,736 INFO L274 CegarLoopResult]: For program point L510(lines 510 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,736 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-27 18:41:04,736 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-27 18:41:04,736 INFO L274 CegarLoopResult]: For program point L1105(lines 1105 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,736 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-27 18:41:04,737 INFO L274 CegarLoopResult]: For program point L907(lines 907 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,737 INFO L274 CegarLoopResult]: For program point L643(lines 643 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,737 INFO L274 CegarLoopResult]: For program point L445(lines 445 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,737 INFO L274 CegarLoopResult]: For program point L1436(lines 1436 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,737 INFO L274 CegarLoopResult]: For program point L842(lines 842 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,737 INFO L274 CegarLoopResult]: For program point L1305(lines 1305 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,737 INFO L274 CegarLoopResult]: For program point L248(lines 248 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,737 INFO L274 CegarLoopResult]: For program point L182-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,737 INFO L274 CegarLoopResult]: For program point L116-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,737 INFO L274 CegarLoopResult]: For program point L50-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,738 INFO L274 CegarLoopResult]: For program point L777(lines 777 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,738 INFO L274 CegarLoopResult]: For program point L1372(lines 1372 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,738 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-27 18:41:04,738 INFO L274 CegarLoopResult]: For program point L1174(lines 1174 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,738 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-27 18:41:04,738 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-27 18:41:04,738 INFO L274 CegarLoopResult]: For program point L976(lines 976 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,738 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,738 INFO L274 CegarLoopResult]: For program point L580(lines 580 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,738 INFO L274 CegarLoopResult]: For program point L382(lines 382 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,738 INFO L274 CegarLoopResult]: For program point L317(lines 317 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,738 INFO L274 CegarLoopResult]: For program point L185-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,739 INFO L274 CegarLoopResult]: For program point L119-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,739 INFO L274 CegarLoopResult]: For program point L53-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,739 INFO L274 CegarLoopResult]: For program point L1044(lines 1044 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,739 INFO L274 CegarLoopResult]: For program point L780(lines 780 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,739 INFO L274 CegarLoopResult]: For program point L714(lines 714 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,739 INFO L274 CegarLoopResult]: For program point L1243(lines 1243 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,739 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-27 18:41:04,739 INFO L274 CegarLoopResult]: For program point L1177(lines 1177 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,739 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-27 18:41:04,739 INFO L274 CegarLoopResult]: For program point L1111(lines 1111 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,739 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-27 18:41:04,739 INFO L274 CegarLoopResult]: For program point L517(lines 517 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,740 INFO L274 CegarLoopResult]: For program point L451(lines 451 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,740 INFO L274 CegarLoopResult]: For program point L1442(lines 1442 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,740 INFO L274 CegarLoopResult]: For program point L914(lines 914 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,740 INFO L274 CegarLoopResult]: For program point L848(lines 848 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,740 INFO L274 CegarLoopResult]: For program point L650(lines 650 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,740 INFO L274 CegarLoopResult]: For program point L1377(lines 1377 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,740 INFO L274 CegarLoopResult]: For program point L1311(lines 1311 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,740 INFO L274 CegarLoopResult]: For program point L254(lines 254 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,740 INFO L274 CegarLoopResult]: For program point L188-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,740 INFO L274 CegarLoopResult]: For program point L122-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,740 INFO L274 CegarLoopResult]: For program point L56-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,740 INFO L274 CegarLoopResult]: For program point L981(lines 981 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,741 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-27 18:41:04,741 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-27 18:41:04,741 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-27 18:41:04,741 INFO L274 CegarLoopResult]: For program point L586(lines 586 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,741 INFO L274 CegarLoopResult]: For program point L388(lines 388 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,741 INFO L274 CegarLoopResult]: For program point L719(lines 719 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,741 INFO L274 CegarLoopResult]: For program point L323(lines 323 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,741 INFO L274 CegarLoopResult]: For program point L191-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,741 INFO L274 CegarLoopResult]: For program point L125-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,741 INFO L274 CegarLoopResult]: For program point L1116(lines 1116 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,741 INFO L274 CegarLoopResult]: For program point L59-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,741 INFO L274 CegarLoopResult]: For program point L1050(lines 1050 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,742 INFO L274 CegarLoopResult]: For program point L786(lines 786 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,742 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 25 1494) the Hoare annotation is: (let ((.cse2 (= ~a18~0 |old(~a18~0)|)) (.cse3 (= ~a16~0 |old(~a16~0)|)) (.cse4 (= ~a15~0 |old(~a15~0)|))) (let ((.cse0 (and .cse2 .cse3 (= ~a12~0 |old(~a12~0)|) .cse4)) (.cse1 (not (= 9 |old(~a16~0)|)))) (and (or .cse0 (not (<= 0 (+ |old(~a18~0)| 155))) .cse1) (or .cse0 (not (<= 4 |old(~a15~0)|)) .cse1) (or .cse0 (not (= 8 |old(~a16~0)|))) (or (not (= 11 |old(~a16~0)|)) .cse0) (or .cse0 (not (<= 12 |old(~a16~0)|))) (or .cse0 (not (= 7 |old(~a12~0)|)) .cse1) (or (not (<= 10 |old(~a16~0)|)) .cse0 (= 9 |old(~a12~0)|)) (or (not (= 8 |old(~a12~0)|)) (and .cse2 (= ~a12~0 8) .cse3 .cse4) .cse1)))) [2020-10-27 18:41:04,742 INFO L274 CegarLoopResult]: For program point L456(lines 456 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,742 INFO L274 CegarLoopResult]: For program point L1249(lines 1249 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,742 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-27 18:41:04,742 INFO L274 CegarLoopResult]: For program point L1183(lines 1183 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,742 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-27 18:41:04,742 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-27 18:41:04,742 INFO L274 CegarLoopResult]: For program point L919(lines 919 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,742 INFO L274 CegarLoopResult]: For program point L853(lines 853 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,743 INFO L274 CegarLoopResult]: For program point L523(lines 523 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,743 INFO L274 CegarLoopResult]: For program point L1448(lines 1448 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,743 INFO L274 CegarLoopResult]: For program point L1316(lines 1316 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,743 INFO L274 CegarLoopResult]: For program point L259(lines 259 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,743 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,743 INFO L274 CegarLoopResult]: For program point L194-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,743 INFO L274 CegarLoopResult]: For program point L128-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,743 INFO L274 CegarLoopResult]: For program point L62-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,743 INFO L274 CegarLoopResult]: For program point L657(lines 657 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,743 INFO L274 CegarLoopResult]: For program point L591(lines 591 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,743 INFO L274 CegarLoopResult]: For program point L459(lines 459 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,743 INFO L274 CegarLoopResult]: For program point L393(lines 393 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,744 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,744 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-27 18:41:04,744 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-27 18:41:04,744 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-27 18:41:04,744 INFO L274 CegarLoopResult]: For program point L988(lines 988 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,744 INFO L274 CegarLoopResult]: For program point L1451(lines 1451 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,744 INFO L274 CegarLoopResult]: For program point L791(lines 791 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,744 INFO L274 CegarLoopResult]: For program point L725(lines 725 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,744 INFO L274 CegarLoopResult]: For program point L329(lines 329 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,744 INFO L274 CegarLoopResult]: For program point L197-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,744 INFO L274 CegarLoopResult]: For program point L131-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,744 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,745 INFO L274 CegarLoopResult]: For program point L65-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,745 INFO L274 CegarLoopResult]: For program point L924(lines 924 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,745 INFO L274 CegarLoopResult]: For program point L264(lines 264 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,745 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-27 18:41:04,745 INFO L274 CegarLoopResult]: For program point L1189(lines 1189 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,745 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-27 18:41:04,745 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-27 18:41:04,745 INFO L274 CegarLoopResult]: For program point L1057(lines 1057 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,745 INFO L274 CegarLoopResult]: For program point L859(lines 859 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,745 INFO L274 CegarLoopResult]: For program point L529(lines 529 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,745 INFO L274 CegarLoopResult]: For program point L1388(lines 1388 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,745 INFO L274 CegarLoopResult]: For program point L596(lines 596 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,745 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,746 INFO L274 CegarLoopResult]: For program point L200-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,746 INFO L274 CegarLoopResult]: For program point L134-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,746 INFO L274 CegarLoopResult]: For program point L68-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,746 INFO L274 CegarLoopResult]: For program point L663(lines 663 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,746 INFO L274 CegarLoopResult]: For program point L465(lines 465 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,746 INFO L274 CegarLoopResult]: For program point L1258(lines 1258 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,746 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-27 18:41:04,746 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-27 18:41:04,746 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-27 18:41:04,746 INFO L274 CegarLoopResult]: For program point L730(lines 730 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,746 INFO L274 CegarLoopResult]: For program point L400(lines 400 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,746 INFO L274 CegarLoopResult]: For program point L1127(lines 1127 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,747 INFO L274 CegarLoopResult]: For program point L995(lines 995 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,747 INFO L274 CegarLoopResult]: For program point L1458(lines 1458 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,747 INFO L274 CegarLoopResult]: For program point L335(lines 335 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,747 INFO L274 CegarLoopResult]: For program point L203-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,747 INFO L274 CegarLoopResult]: For program point L137-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,747 INFO L274 CegarLoopResult]: For program point L71-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,747 INFO L274 CegarLoopResult]: For program point L798(lines 798 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,747 INFO L274 CegarLoopResult]: For program point L666(lines 666 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,747 INFO L274 CegarLoopResult]: For program point L270(lines 270 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,747 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-27 18:41:04,748 INFO L274 CegarLoopResult]: For program point L1195(lines 1195 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,748 INFO L270 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (let ((.cse0 (not (= 9 |old(~a16~0)|)))) (and (or (not (<= 0 (+ |old(~a18~0)| 155))) .cse0) (not (= 11 |old(~a16~0)|)) (or (not (= 7 |old(~a12~0)|)) .cse0) (or (not (= 8 |old(~a12~0)|)) .cse0) (not (= 8 |old(~a16~0)|)) (or (not (<= 10 |old(~a16~0)|)) (= 9 |old(~a12~0)|)) (not (<= 12 |old(~a16~0)|)) (or (not (<= 4 |old(~a15~0)|)) .cse0))) [2020-10-27 18:41:04,748 INFO L274 CegarLoopResult]: For program point L138-1(line 138) no Hoare annotation was computed. [2020-10-27 18:41:04,748 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-27 18:41:04,748 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,748 INFO L274 CegarLoopResult]: For program point L931(lines 931 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,748 INFO L274 CegarLoopResult]: For program point L865(lines 865 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,748 INFO L274 CegarLoopResult]: For program point L535(lines 535 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,748 INFO L274 CegarLoopResult]: For program point L1394(lines 1394 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,749 INFO L274 CegarLoopResult]: For program point L602(lines 602 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,749 INFO L274 CegarLoopResult]: For program point L1329(lines 1329 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,749 INFO L274 CegarLoopResult]: For program point L206-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,749 INFO L274 CegarLoopResult]: For program point L140-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,749 INFO L274 CegarLoopResult]: For program point L74-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,749 INFO L274 CegarLoopResult]: For program point L471(lines 471 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,749 INFO L274 CegarLoopResult]: For program point L1264(lines 1264 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,749 INFO L274 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-10-27 18:41:04,749 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-27 18:41:04,749 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-27 18:41:04,750 INFO L274 CegarLoopResult]: For program point L736(lines 736 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,750 INFO L274 CegarLoopResult]: For program point L1463(lines 1463 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,750 INFO L274 CegarLoopResult]: For program point L406(lines 406 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,750 INFO L274 CegarLoopResult]: For program point L340(lines 340 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,750 INFO L274 CegarLoopResult]: For program point L1133(lines 1133 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,750 INFO L274 CegarLoopResult]: For program point L1001(lines 1001 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,750 INFO L274 CegarLoopResult]: For program point L143-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,750 INFO L274 CegarLoopResult]: For program point L77-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,750 INFO L274 CegarLoopResult]: For program point L804(lines 804 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,750 INFO L274 CegarLoopResult]: For program point L672(lines 672 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,750 INFO L274 CegarLoopResult]: For program point L540(lines 540 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,750 INFO L274 CegarLoopResult]: For program point L1399(lines 1399 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,751 INFO L274 CegarLoopResult]: For program point L276(lines 276 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,751 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-27 18:41:04,751 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-27 18:41:04,751 INFO L274 CegarLoopResult]: For program point L1069(lines 1069 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,751 INFO L274 CegarLoopResult]: For program point L937(lines 937 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,751 INFO L274 CegarLoopResult]: For program point L871(lines 871 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,751 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,751 INFO L274 CegarLoopResult]: For program point L608(lines 608 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,751 INFO L274 CegarLoopResult]: For program point L1269(lines 1269 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,751 INFO L274 CegarLoopResult]: For program point L146-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,752 INFO L274 CegarLoopResult]: For program point L80-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,752 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,752 INFO L274 CegarLoopResult]: For program point L1336(lines 1336 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,752 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-27 18:41:04,752 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-27 18:41:04,752 INFO L274 CegarLoopResult]: For program point L478(lines 478 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,752 INFO L274 CegarLoopResult]: For program point L1139(lines 1139 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,752 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,752 INFO L274 CegarLoopResult]: For program point L743(lines 743 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,752 INFO L274 CegarLoopResult]: For program point L545(lines 545 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,752 INFO L274 CegarLoopResult]: For program point L413(lines 413 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,752 INFO L274 CegarLoopResult]: For program point L347(lines 347 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,753 INFO L274 CegarLoopResult]: For program point L281(lines 281 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,753 INFO L274 CegarLoopResult]: For program point L215(lines 215 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,753 INFO L274 CegarLoopResult]: For program point L149-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,753 INFO L274 CegarLoopResult]: For program point L83-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,753 INFO L274 CegarLoopResult]: For program point L810(lines 810 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,753 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,753 INFO L274 CegarLoopResult]: For program point L1207(lines 1207 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,753 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-27 18:41:04,753 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 18:41:04,753 INFO L274 CegarLoopResult]: For program point L1075(lines 1075 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,753 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,753 INFO L274 CegarLoopResult]: For program point L877(lines 877 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,753 INFO L274 CegarLoopResult]: For program point L679(lines 679 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,754 INFO L274 CegarLoopResult]: For program point L944(lines 944 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,754 INFO L274 CegarLoopResult]: For program point L614(lines 614 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,754 INFO L274 CegarLoopResult]: For program point L152-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,754 INFO L274 CegarLoopResult]: For program point L86-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,754 INFO L274 CegarLoopResult]: For program point L1474(lines 1474 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,754 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,754 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-27 18:41:04,754 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-27 18:41:04,754 INFO L274 CegarLoopResult]: For program point L748(lines 748 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,754 INFO L274 CegarLoopResult]: For program point L682(lines 682 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,754 INFO L274 CegarLoopResult]: For program point L550(lines 550 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,755 INFO L274 CegarLoopResult]: For program point L352(lines 352 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,755 INFO L274 CegarLoopResult]: For program point L1343(lines 1343 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,755 INFO L274 CegarLoopResult]: For program point L220(lines 220 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,755 INFO L274 CegarLoopResult]: For program point L1145(lines 1145 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,755 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,755 INFO L274 CegarLoopResult]: For program point L485(lines 485 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,755 INFO L274 CegarLoopResult]: For program point L419(lines 419 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,755 INFO L274 CegarLoopResult]: For program point L287(lines 287 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,755 INFO L274 CegarLoopResult]: For program point L155-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,755 INFO L274 CegarLoopResult]: For program point L89-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,755 INFO L274 CegarLoopResult]: For program point L1411(lines 1411 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,755 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,756 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-27 18:41:04,756 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-27 18:41:04,756 INFO L274 CegarLoopResult]: For program point L1081(lines 1081 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,756 INFO L274 CegarLoopResult]: For program point L817(lines 817 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,756 INFO L274 CegarLoopResult]: For program point L950(lines 950 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,756 INFO L274 CegarLoopResult]: For program point L884(lines 884 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,756 INFO L274 CegarLoopResult]: For program point L620(lines 620 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,756 INFO L274 CegarLoopResult]: For program point L1479(lines 1479 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,756 INFO L274 CegarLoopResult]: For program point L158-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,756 INFO L274 CegarLoopResult]: For program point L92-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,756 INFO L274 CegarLoopResult]: For program point L26(lines 26 28) no Hoare annotation was computed. [2020-10-27 18:41:04,756 INFO L274 CegarLoopResult]: For program point L26-2(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,757 INFO L274 CegarLoopResult]: For program point L1282(lines 1282 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,757 INFO L274 CegarLoopResult]: For program point L225(lines 225 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,757 INFO L274 CegarLoopResult]: For program point L1216(lines 1216 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,757 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-27 18:41:04,757 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-27 18:41:04,757 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-27 18:41:04,757 INFO L274 CegarLoopResult]: For program point L754(lines 754 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,757 INFO L274 CegarLoopResult]: For program point L688(lines 688 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,757 INFO L274 CegarLoopResult]: For program point L556(lines 556 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,757 INFO L274 CegarLoopResult]: For program point L358(lines 358 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,757 INFO L274 CegarLoopResult]: For program point L1349(lines 1349 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,757 INFO L274 CegarLoopResult]: For program point L292(lines 292 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,758 INFO L274 CegarLoopResult]: For program point L1151(lines 1151 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,758 INFO L274 CegarLoopResult]: For program point L491(lines 491 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,758 INFO L274 CegarLoopResult]: For program point L161-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,758 INFO L274 CegarLoopResult]: For program point L95-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,758 INFO L274 CegarLoopResult]: For program point L29-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,758 INFO L274 CegarLoopResult]: For program point L1020(lines 1020 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,758 INFO L274 CegarLoopResult]: For program point L426(lines 426 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,758 INFO L274 CegarLoopResult]: For program point L1417(lines 1417 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,758 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-27 18:41:04,758 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-27 18:41:04,758 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-27 18:41:04,758 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,758 INFO L274 CegarLoopResult]: For program point L956(lines 956 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,759 INFO L274 CegarLoopResult]: For program point L890(lines 890 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,759 INFO L274 CegarLoopResult]: For program point L824(lines 824 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,759 INFO L274 CegarLoopResult]: For program point L626(lines 626 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,759 INFO L274 CegarLoopResult]: For program point L164-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,759 INFO L274 CegarLoopResult]: For program point L98-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,759 INFO L274 CegarLoopResult]: For program point L32-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,759 INFO L274 CegarLoopResult]: For program point L693(lines 693 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,759 INFO L274 CegarLoopResult]: For program point L1486(lines 1486 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,759 INFO L274 CegarLoopResult]: For program point L429(lines 429 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,759 INFO L274 CegarLoopResult]: For program point L363(lines 363 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,759 INFO L274 CegarLoopResult]: For program point L1288(lines 1288 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,759 INFO L274 CegarLoopResult]: For program point L231(lines 231 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,759 INFO L274 CegarLoopResult]: For program point L1222(lines 1222 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,760 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-27 18:41:04,760 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-27 18:41:04,760 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-27 18:41:04,760 INFO L274 CegarLoopResult]: For program point L760(lines 760 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,760 INFO L274 CegarLoopResult]: For program point L562(lines 562 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,760 INFO L274 CegarLoopResult]: For program point L1355(lines 1355 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,760 INFO L274 CegarLoopResult]: For program point L1157(lines 1157 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,760 INFO L274 CegarLoopResult]: For program point L497(lines 497 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,760 INFO L274 CegarLoopResult]: For program point L299(lines 299 1492) no Hoare annotation was computed. [2020-10-27 18:41:04,760 INFO L274 CegarLoopResult]: For program point L167-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,760 INFO L274 CegarLoopResult]: For program point L101-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,760 INFO L274 CegarLoopResult]: For program point L35-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:41:04,760 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 18:41:04,761 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (<= 0 (+ ~a18~0 155)) (<= ~a12~0 5)) [2020-10-27 18:41:04,761 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 18:41:04,761 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 18:41:04,761 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1769 1785) the Hoare annotation is: (or (and (= ~a18~0 |old(~a18~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)) (not (= 11 |old(~a16~0)|)) (not (<= |old(~a12~0)| 5)) (not (<= 0 (+ |old(~a18~0)| 155)))) [2020-10-27 18:41:04,761 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1769 1785) no Hoare annotation was computed. [2020-10-27 18:41:04,761 INFO L270 CegarLoopResult]: At program point L1783(line 1783) the Hoare annotation is: (let ((.cse0 (= ~a16~0 9))) (or (and .cse0 (= ~a12~0 8)) (not (= 11 |old(~a16~0)|)) (<= 12 ~a16~0) (and (<= 4 ~a15~0) .cse0) (not (<= |old(~a12~0)| 5)) (= ~a16~0 11) (not (<= 0 (+ |old(~a18~0)| 155))) (and .cse0 (= 7 ~a12~0)) (and (<= 10 ~a16~0) (not (= ~a12~0 9))) (and .cse0 (<= 0 (+ ~a18~0 155))) (= ~a16~0 8))) [2020-10-27 18:41:04,761 INFO L274 CegarLoopResult]: For program point L1783-1(line 1783) no Hoare annotation was computed. [2020-10-27 18:41:04,761 INFO L274 CegarLoopResult]: For program point L1780(line 1780) no Hoare annotation was computed. [2020-10-27 18:41:04,762 INFO L270 CegarLoopResult]: At program point L1775-2(lines 1775 1784) the Hoare annotation is: (let ((.cse0 (= ~a16~0 9))) (or (and .cse0 (= ~a12~0 8)) (not (= 11 |old(~a16~0)|)) (<= 12 ~a16~0) (and (<= 4 ~a15~0) .cse0) (not (<= |old(~a12~0)| 5)) (= ~a16~0 11) (not (<= 0 (+ |old(~a18~0)| 155))) (and .cse0 (= 7 ~a12~0)) (and (<= 10 ~a16~0) (not (= ~a12~0 9))) (and .cse0 (<= 0 (+ ~a18~0 155))) (= ~a16~0 8))) [2020-10-27 18:41:04,762 INFO L274 CegarLoopResult]: For program point L1775-3(lines 1769 1785) no Hoare annotation was computed. [2020-10-27 18:41:04,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 06:41:04 BoogieIcfgContainer [2020-10-27 18:41:04,810 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 18:41:04,812 INFO L168 Benchmark]: Toolchain (without parser) took 181313.33 ms. Allocated memory was 156.2 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 125.7 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2020-10-27 18:41:04,815 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 156.2 MB. Free memory is still 127.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 18:41:04,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1116.50 ms. Allocated memory is still 156.2 MB. Free memory was 125.1 MB in the beginning and 99.7 MB in the end (delta: 25.4 MB). Peak memory consumption was 30.8 MB. Max. memory is 8.0 GB. [2020-10-27 18:41:04,816 INFO L168 Benchmark]: Boogie Preprocessor took 211.70 ms. Allocated memory is still 156.2 MB. Free memory was 99.7 MB in the beginning and 89.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-27 18:41:04,820 INFO L168 Benchmark]: RCFGBuilder took 3084.32 ms. Allocated memory was 156.2 MB in the beginning and 187.7 MB in the end (delta: 31.5 MB). Free memory was 89.2 MB in the beginning and 73.9 MB in the end (delta: 15.3 MB). Peak memory consumption was 63.0 MB. Max. memory is 8.0 GB. [2020-10-27 18:41:04,821 INFO L168 Benchmark]: TraceAbstraction took 176886.78 ms. Allocated memory was 187.7 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 73.4 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2020-10-27 18:41:04,824 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 156.2 MB. Free memory is still 127.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1116.50 ms. Allocated memory is still 156.2 MB. Free memory was 125.1 MB in the beginning and 99.7 MB in the end (delta: 25.4 MB). Peak memory consumption was 30.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 211.70 ms. Allocated memory is still 156.2 MB. Free memory was 99.7 MB in the beginning and 89.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 3084.32 ms. Allocated memory was 156.2 MB in the beginning and 187.7 MB in the end (delta: 31.5 MB). Free memory was 89.2 MB in the beginning and 73.9 MB in the end (delta: 15.3 MB). Peak memory consumption was 63.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 176886.78 ms. Allocated memory was 187.7 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 73.4 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 1775]: Loop Invariant Derived loop invariant: ((((((((((a16 == 9 && a12 == 8) || !(11 == \old(a16))) || 12 <= a16) || (4 <= a15 && a16 == 9)) || !(\old(a12) <= 5)) || a16 == 11) || !(0 <= \old(a18) + 155)) || (a16 == 9 && 7 == a12)) || (10 <= a16 && !(a12 == 9))) || (a16 == 9 && 0 <= a18 + 155)) || a16 == 8 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 413 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 166.5s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 94.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 563 SDtfs, 15457 SDslu, 570 SDs, 0 SdLazy, 32281 SolverSat, 4445 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 66.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 262 GetRequests, 163 SyntacticMatches, 3 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10055occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 5880 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 1048 PreInvPairs, 1145 NumberOfFragments, 858 HoareAnnotationTreeSize, 1048 FomulaSimplifications, 15941604 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 11 FomulaSimplificationsInter, 49761 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 64.4s InterpolantComputationTime, 7038 NumberOfCodeBlocks, 7038 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 7024 ConstructedInterpolants, 0 QuantifiedInterpolants, 13171325 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 1 PerfectInterpolantSequences, 7924/8587 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...