/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:34:37,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:34:37,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:34:37,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:34:37,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:34:37,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:34:37,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:34:37,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:34:37,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:34:37,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:34:37,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:34:37,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:34:37,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:34:37,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:34:37,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:34:37,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:34:37,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:34:37,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:34:37,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:34:37,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:34:37,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:34:37,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:34:37,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:34:37,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:34:37,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:34:37,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:34:37,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:34:37,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:34:37,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:34:37,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:34:37,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:34:37,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:34:37,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:34:37,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:34:37,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:34:37,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:34:37,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:34:37,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:34:37,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:34:37,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:34:37,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:34:37,885 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 17:34:37,938 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:34:37,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:34:37,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:34:37,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:34:37,943 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:34:37,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:34:37,944 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:34:37,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:34:37,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:34:37,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:34:37,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:34:37,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:34:37,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:34:37,946 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:34:37,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:34:37,947 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:34:37,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:34:37,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:34:37,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:34:37,948 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:34:37,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:34:37,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:34:37,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:34:37,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:34:37,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:34:37,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:34:37,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:34:37,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:34:37,949 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:34:37,949 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:34:38,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:34:38,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:34:38,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:34:38,413 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:34:38,417 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:34:38,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label41.c [2020-10-27 17:34:38,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e91e94d8/d1c0a7e242a44326a729963a50286ae1/FLAG88ea37c4e [2020-10-27 17:34:39,224 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:34:39,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label41.c [2020-10-27 17:34:39,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e91e94d8/d1c0a7e242a44326a729963a50286ae1/FLAG88ea37c4e [2020-10-27 17:34:39,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e91e94d8/d1c0a7e242a44326a729963a50286ae1 [2020-10-27 17:34:39,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:34:39,436 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:34:39,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:34:39,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:34:39,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:34:39,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:34:39" (1/1) ... [2020-10-27 17:34:39,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31fea257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:39, skipping insertion in model container [2020-10-27 17:34:39,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:34:39" (1/1) ... [2020-10-27 17:34:39,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:34:39,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:34:40,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:34:40,168 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:34:40,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:34:40,491 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:34:40,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:40 WrapperNode [2020-10-27 17:34:40,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:34:40,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:34:40,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:34:40,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:34:40,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:40" (1/1) ... [2020-10-27 17:34:40,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:40" (1/1) ... [2020-10-27 17:34:40,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:40" (1/1) ... [2020-10-27 17:34:40,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:40" (1/1) ... [2020-10-27 17:34:40,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:40" (1/1) ... [2020-10-27 17:34:40,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:40" (1/1) ... [2020-10-27 17:34:40,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:40" (1/1) ... [2020-10-27 17:34:40,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:34:40,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:34:40,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:34:40,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:34:40,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:40" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:34:40,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:34:40,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:34:40,785 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:34:40,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:34:40,785 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:34:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:34:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:34:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:34:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:34:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:34:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:34:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:34:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:34:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:34:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:34:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:34:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:34:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:34:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:34:43,068 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:34:43,068 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:34:43,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:34:43 BoogieIcfgContainer [2020-10-27 17:34:43,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:34:43,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:34:43,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:34:43,077 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:34:43,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:34:39" (1/3) ... [2020-10-27 17:34:43,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ff631a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:34:43, skipping insertion in model container [2020-10-27 17:34:43,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:34:40" (2/3) ... [2020-10-27 17:34:43,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ff631a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:34:43, skipping insertion in model container [2020-10-27 17:34:43,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:34:43" (3/3) ... [2020-10-27 17:34:43,081 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label41.c [2020-10-27 17:34:43,096 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:34:43,102 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:34:43,118 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:34:43,151 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:34:43,151 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:34:43,152 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:34:43,152 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:34:43,152 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:34:43,152 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:34:43,152 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:34:43,153 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:34:43,181 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-27 17:34:43,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 17:34:43,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:43,190 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] [2020-10-27 17:34:43,190 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:43,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:43,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1247400880, now seen corresponding path program 1 times [2020-10-27 17:34:43,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:43,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [365289668] [2020-10-27 17:34:43,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:43,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:43,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:43,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 17:34:43,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:43,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 524 [2020-10-27 17:34:43,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:43,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:34:43,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:34:43,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 17:34:43,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 17:34:44,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:44,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:44,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:44,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:44,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:44,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 17:34:44,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:44,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:44,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:44,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:34:44,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:44,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:34:44,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [365289668] [2020-10-27 17:34:44,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:34:44,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 17:34:44,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877014324] [2020-10-27 17:34:44,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:34:44,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:44,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:34:44,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:34:44,220 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 5 states. [2020-10-27 17:34:48,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:48,964 INFO L93 Difference]: Finished difference Result 1004 states and 1801 transitions. [2020-10-27 17:34:48,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 17:34:48,973 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-27 17:34:48,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:49,002 INFO L225 Difference]: With dead ends: 1004 [2020-10-27 17:34:49,003 INFO L226 Difference]: Without dead ends: 640 [2020-10-27 17:34:49,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:34:49,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2020-10-27 17:34:49,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 622. [2020-10-27 17:34:49,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-27 17:34:49,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 957 transitions. [2020-10-27 17:34:49,138 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 957 transitions. Word has length 28 [2020-10-27 17:34:49,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:49,139 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 957 transitions. [2020-10-27 17:34:49,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:34:49,140 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 957 transitions. [2020-10-27 17:34:49,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-27 17:34:49,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:49,149 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 17:34:49,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:34:49,149 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:49,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:49,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1862497384, now seen corresponding path program 1 times [2020-10-27 17:34:49,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:49,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729573613] [2020-10-27 17:34:49,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:49,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:49,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:49,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:51,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:51,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 17:34:51,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:34:51,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2183 [2020-10-27 17:34:51,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:51,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:51,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 17:34:51,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 17:34:51,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:34:51,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:51,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:51,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:51,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:51,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:51,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:34:51,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:51,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:51,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:51,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:51,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:34:51,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:51,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:51,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:51,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 17:34:51,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:51,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-27 17:34:51,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:51,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:51,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:51,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 17:34:51,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:51,934 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:34:51,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729573613] [2020-10-27 17:34:51,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:51,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:34:51,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599564482] [2020-10-27 17:34:51,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:34:51,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:51,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:34:51,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:34:51,943 INFO L87 Difference]: Start difference. First operand 622 states and 957 transitions. Second operand 5 states. [2020-10-27 17:34:52,478 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 17:34:54,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:54,133 INFO L93 Difference]: Finished difference Result 1253 states and 1936 transitions. [2020-10-27 17:34:54,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:34:54,134 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2020-10-27 17:34:54,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:54,139 INFO L225 Difference]: With dead ends: 1253 [2020-10-27 17:34:54,140 INFO L226 Difference]: Without dead ends: 628 [2020-10-27 17:34:54,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:34:54,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2020-10-27 17:34:54,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 622. [2020-10-27 17:34:54,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-27 17:34:54,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 954 transitions. [2020-10-27 17:34:54,181 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 954 transitions. Word has length 102 [2020-10-27 17:34:54,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:54,181 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 954 transitions. [2020-10-27 17:34:54,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:34:54,181 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 954 transitions. [2020-10-27 17:34:54,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-27 17:34:54,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:54,184 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 17:34:54,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:34:54,185 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:54,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:54,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1893727092, now seen corresponding path program 1 times [2020-10-27 17:34:54,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:54,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [458528110] [2020-10-27 17:34:54,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:54,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:54,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:55,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:55,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:55,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-27 17:34:55,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:34:55,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1250 [2020-10-27 17:34:55,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:55,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:55,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-27 17:34:55,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 17:34:55,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:55,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:55,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:55,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:55,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:55,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:55,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:34:55,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:55,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:55,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:55,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:55,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:55,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:55,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:55,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:55,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 17:34:55,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:55,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 17:34:55,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:55,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:55,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:55,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 17:34:55,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:55,808 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:34:55,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [458528110] [2020-10-27 17:34:55,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:55,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:34:55,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656129551] [2020-10-27 17:34:55,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:34:55,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:55,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:34:55,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:34:55,811 INFO L87 Difference]: Start difference. First operand 622 states and 954 transitions. Second operand 5 states. [2020-10-27 17:34:58,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:58,693 INFO L93 Difference]: Finished difference Result 1816 states and 2842 transitions. [2020-10-27 17:34:58,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:34:58,694 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2020-10-27 17:34:58,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:58,703 INFO L225 Difference]: With dead ends: 1816 [2020-10-27 17:34:58,703 INFO L226 Difference]: Without dead ends: 1200 [2020-10-27 17:34:58,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:34:58,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2020-10-27 17:34:58,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1196. [2020-10-27 17:34:58,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1196 states. [2020-10-27 17:34:58,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1754 transitions. [2020-10-27 17:34:58,754 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1754 transitions. Word has length 113 [2020-10-27 17:34:58,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:58,755 INFO L481 AbstractCegarLoop]: Abstraction has 1196 states and 1754 transitions. [2020-10-27 17:34:58,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:34:58,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1754 transitions. [2020-10-27 17:34:58,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-27 17:34:58,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:58,758 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 17:34:58,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:34:58,759 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:58,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:58,759 INFO L82 PathProgramCache]: Analyzing trace with hash 328677448, now seen corresponding path program 1 times [2020-10-27 17:34:58,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:58,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1842336327] [2020-10-27 17:34:58,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:58,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:59,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:59,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:59,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 17:34:59,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:34:59,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 740 [2020-10-27 17:34:59,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:59,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:59,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-27 17:34:59,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 17:34:59,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 17:34:59,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:59,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:59,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:59,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:59,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:59,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:34:59,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:59,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:59,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:59,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:59,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:59,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:59,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:59,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:59,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 17:34:59,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:59,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-27 17:34:59,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:59,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:59,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:59,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 17:34:59,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:59,894 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:34:59,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1842336327] [2020-10-27 17:34:59,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:59,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:34:59,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930569531] [2020-10-27 17:34:59,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:34:59,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:59,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:34:59,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:34:59,897 INFO L87 Difference]: Start difference. First operand 1196 states and 1754 transitions. Second operand 5 states. [2020-10-27 17:35:03,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:35:03,167 INFO L93 Difference]: Finished difference Result 3531 states and 5306 transitions. [2020-10-27 17:35:03,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:35:03,169 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2020-10-27 17:35:03,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:35:03,190 INFO L225 Difference]: With dead ends: 3531 [2020-10-27 17:35:03,190 INFO L226 Difference]: Without dead ends: 2341 [2020-10-27 17:35:03,196 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:35:03,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2341 states. [2020-10-27 17:35:03,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2341 to 2335. [2020-10-27 17:35:03,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2335 states. [2020-10-27 17:35:03,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2335 states and 3330 transitions. [2020-10-27 17:35:03,305 INFO L78 Accepts]: Start accepts. Automaton has 2335 states and 3330 transitions. Word has length 118 [2020-10-27 17:35:03,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:35:03,307 INFO L481 AbstractCegarLoop]: Abstraction has 2335 states and 3330 transitions. [2020-10-27 17:35:03,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:35:03,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 3330 transitions. [2020-10-27 17:35:03,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-27 17:35:03,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:35:03,315 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 17:35:03,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:35:03,315 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:35:03,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:35:03,316 INFO L82 PathProgramCache]: Analyzing trace with hash 654092809, now seen corresponding path program 1 times [2020-10-27 17:35:03,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:35:03,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1437896935] [2020-10-27 17:35:03,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:35:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:03,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:03,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:03,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-27 17:35:03,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:35:03,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 589 [2020-10-27 17:35:03,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:03,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:35:03,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:35:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-27 17:35:03,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:35:04,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:35:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:04,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:04,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:04,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:35:04,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:35:04,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 17:35:04,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:04,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:35:04,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:35:04,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:35:04,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:04,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:35:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:04,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:04,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:04,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:35:04,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:35:04,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-10-27 17:35:04,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:04,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:35:04,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:35:04,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 17:35:04,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:04,629 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:35:04,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1437896935] [2020-10-27 17:35:04,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:35:04,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 17:35:04,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246977988] [2020-10-27 17:35:04,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:35:04,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:35:04,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:35:04,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:35:04,633 INFO L87 Difference]: Start difference. First operand 2335 states and 3330 transitions. Second operand 7 states. [2020-10-27 17:35:07,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:35:07,932 INFO L93 Difference]: Finished difference Result 5267 states and 7606 transitions. [2020-10-27 17:35:07,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 17:35:07,933 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 165 [2020-10-27 17:35:07,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:35:07,960 INFO L225 Difference]: With dead ends: 5267 [2020-10-27 17:35:07,962 INFO L226 Difference]: Without dead ends: 2938 [2020-10-27 17:35:07,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:35:07,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2938 states. [2020-10-27 17:35:08,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2938 to 2920. [2020-10-27 17:35:08,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2920 states. [2020-10-27 17:35:08,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 4142 transitions. [2020-10-27 17:35:08,104 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 4142 transitions. Word has length 165 [2020-10-27 17:35:08,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:35:08,104 INFO L481 AbstractCegarLoop]: Abstraction has 2920 states and 4142 transitions. [2020-10-27 17:35:08,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:35:08,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 4142 transitions. [2020-10-27 17:35:08,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-10-27 17:35:08,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:35:08,113 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:35:08,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:35:08,113 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:35:08,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:35:08,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1987551667, now seen corresponding path program 1 times [2020-10-27 17:35:08,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:35:08,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1142720718] [2020-10-27 17:35:08,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:35:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:08,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:08,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:08,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:13,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:13,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-27 17:35:13,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:35:13,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 17:35:13,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:13,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 17:35:13,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-27 17:35:13,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 17:35:13,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:13,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:35:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:13,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:13,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:13,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:35:13,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:35:13,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:35:13,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:13,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:35:13,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:35:13,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:35:13,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:13,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:35:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:13,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:13,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:13,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:35:13,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:35:13,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-27 17:35:13,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:13,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:35:13,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:35:13,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 17:35:13,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:35:13,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 17:35:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:13,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:13,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:14,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:14,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:35:14,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:35:14,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 795 [2020-10-27 17:35:14,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:35:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:35:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 17:35:14,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:14,637 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:35:14,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1142720718] [2020-10-27 17:35:14,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:35:14,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:35:14,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762896493] [2020-10-27 17:35:14,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:35:14,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:35:14,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:35:14,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:35:14,641 INFO L87 Difference]: Start difference. First operand 2920 states and 4142 transitions. Second operand 7 states. [2020-10-27 17:35:15,170 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 17:35:19,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:35:19,572 INFO L93 Difference]: Finished difference Result 7664 states and 11510 transitions. [2020-10-27 17:35:19,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:35:19,573 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 238 [2020-10-27 17:35:19,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:35:19,614 INFO L225 Difference]: With dead ends: 7664 [2020-10-27 17:35:19,614 INFO L226 Difference]: Without dead ends: 4352 [2020-10-27 17:35:19,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 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 17:35:19,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4352 states. [2020-10-27 17:35:19,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4352 to 4286. [2020-10-27 17:35:19,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4286 states. [2020-10-27 17:35:19,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4286 states to 4286 states and 6202 transitions. [2020-10-27 17:35:19,837 INFO L78 Accepts]: Start accepts. Automaton has 4286 states and 6202 transitions. Word has length 238 [2020-10-27 17:35:19,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:35:19,837 INFO L481 AbstractCegarLoop]: Abstraction has 4286 states and 6202 transitions. [2020-10-27 17:35:19,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:35:19,837 INFO L276 IsEmpty]: Start isEmpty. Operand 4286 states and 6202 transitions. [2020-10-27 17:35:19,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-10-27 17:35:19,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:35:19,857 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:35:19,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:35:19,858 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:35:19,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:35:19,858 INFO L82 PathProgramCache]: Analyzing trace with hash 262665993, now seen corresponding path program 1 times [2020-10-27 17:35:19,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:35:19,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [713347962] [2020-10-27 17:35:19,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:35:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:19,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:20,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:20,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:21,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:21,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 316 [2020-10-27 17:35:21,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:35:21,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2031 [2020-10-27 17:35:21,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:21,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 17:35:21,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:35:21,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 282 [2020-10-27 17:35:21,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:22,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:35:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:22,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:22,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:22,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:35:22,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:35:22,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 17:35:22,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:22,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:35:22,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:35:22,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:35:22,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:22,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:35:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:22,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:22,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:22,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:22,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:22,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:35:22,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:35:22,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-10-27 17:35:22,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:22,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:35:22,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:35:22,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 17:35:22,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:22,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 17:35:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:22,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:22,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:22,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:35:22,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:35:22,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-10-27 17:35:22,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:22,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:35:22,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:35:22,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 17:35:22,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:23,362 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 41 proven. 130 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 17:35:23,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [713347962] [2020-10-27 17:35:23,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:35:23,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 17:35:23,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744358518] [2020-10-27 17:35:23,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 17:35:23,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:35:23,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 17:35:23,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-27 17:35:23,365 INFO L87 Difference]: Start difference. First operand 4286 states and 6202 transitions. Second operand 9 states. [2020-10-27 17:35:27,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:35:27,498 INFO L93 Difference]: Finished difference Result 10077 states and 16010 transitions. [2020-10-27 17:35:27,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 17:35:27,499 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 302 [2020-10-27 17:35:27,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:35:27,544 INFO L225 Difference]: With dead ends: 10077 [2020-10-27 17:35:27,545 INFO L226 Difference]: Without dead ends: 5821 [2020-10-27 17:35:27,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-27 17:35:27,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5821 states. [2020-10-27 17:35:27,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5821 to 5474. [2020-10-27 17:35:27,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5474 states. [2020-10-27 17:35:27,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5474 states to 5474 states and 7738 transitions. [2020-10-27 17:35:27,804 INFO L78 Accepts]: Start accepts. Automaton has 5474 states and 7738 transitions. Word has length 302 [2020-10-27 17:35:27,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:35:27,805 INFO L481 AbstractCegarLoop]: Abstraction has 5474 states and 7738 transitions. [2020-10-27 17:35:27,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 17:35:27,805 INFO L276 IsEmpty]: Start isEmpty. Operand 5474 states and 7738 transitions. [2020-10-27 17:35:27,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2020-10-27 17:35:27,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:35:27,826 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-27 17:35:27,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 17:35:27,826 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:35:27,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:35:27,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1357109884, now seen corresponding path program 1 times [2020-10-27 17:35:27,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:35:27,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1171238037] [2020-10-27 17:35:27,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:35:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:27,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:27,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:28,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:29,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:30,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:32,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:32,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 363 [2020-10-27 17:35:32,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 17:35:32,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-27 17:35:32,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:32,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:35:32,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 194 [2020-10-27 17:35:32,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-27 17:35:32,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:33,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:35:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:33,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:33,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:33,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:35:33,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:35:33,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:35:33,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:33,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:35:33,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:35:33,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:35:33,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:33,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:35:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:33,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:33,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:33,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 17:35:33,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:35:33,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 17:35:33,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:33,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:35:33,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:35:33,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:35:33,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:33,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 17:35:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:33,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:33,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:33,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 17:35:33,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:35:33,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-27 17:35:33,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:33,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:35:33,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:35:33,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:35:33,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:33,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-27 17:35:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:33,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:33,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:33,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:35:33,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:35:33,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-27 17:35:33,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:33,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:35:33,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:35:33,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 17:35:33,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:33,946 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 241 proven. 2 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-10-27 17:35:33,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1171238037] [2020-10-27 17:35:33,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:35:33,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:35:33,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994298538] [2020-10-27 17:35:33,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:35:33,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:35:33,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:35:33,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:35:33,949 INFO L87 Difference]: Start difference. First operand 5474 states and 7738 transitions. Second operand 7 states. [2020-10-27 17:35:38,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:35:38,023 INFO L93 Difference]: Finished difference Result 12817 states and 20550 transitions. [2020-10-27 17:35:38,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 17:35:38,024 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 347 [2020-10-27 17:35:38,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:35:38,092 INFO L225 Difference]: With dead ends: 12817 [2020-10-27 17:35:38,092 INFO L226 Difference]: Without dead ends: 8507 [2020-10-27 17:35:38,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:35:38,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8507 states. [2020-10-27 17:35:38,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8507 to 7581. [2020-10-27 17:35:38,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7581 states. [2020-10-27 17:35:38,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7581 states to 7581 states and 10835 transitions. [2020-10-27 17:35:38,473 INFO L78 Accepts]: Start accepts. Automaton has 7581 states and 10835 transitions. Word has length 347 [2020-10-27 17:35:38,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:35:38,474 INFO L481 AbstractCegarLoop]: Abstraction has 7581 states and 10835 transitions. [2020-10-27 17:35:38,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:35:38,474 INFO L276 IsEmpty]: Start isEmpty. Operand 7581 states and 10835 transitions. [2020-10-27 17:35:38,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2020-10-27 17:35:38,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:35:38,510 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:35:38,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 17:35:38,510 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:35:38,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:35:38,511 INFO L82 PathProgramCache]: Analyzing trace with hash -738330631, now seen corresponding path program 1 times [2020-10-27 17:35:38,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:35:38,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [944395672] [2020-10-27 17:35:38,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:35:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:38,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:38,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:39,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:39,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:39,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:40,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:40,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:41,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:41,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:41,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:42,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:43,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:43,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:43,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:43,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:43,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 412 [2020-10-27 17:35:43,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 17:35:43,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-10-27 17:35:43,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:43,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 17:35:43,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 17:35:43,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-27 17:35:43,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 17:35:43,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:35:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:43,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:43,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:43,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:35:43,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:35:43,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 17:35:43,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:43,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:35:43,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:35:43,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:35:43,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:43,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:35:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:43,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:43,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:43,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:35:43,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:35:43,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-27 17:35:43,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:43,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:35:43,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:35:43,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 17:35:43,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:44,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 17:35:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:44,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:44,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:44,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:45,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:45,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:35:45,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:35:45,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 953 [2020-10-27 17:35:45,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:45,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:35:45,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:35:45,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 17:35:45,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:45,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-27 17:35:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:45,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:45,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:45,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:35:45,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:35:45,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:35:45,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 447 [2020-10-27 17:35:45,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:35:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 17:35:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:35:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 17:35:45,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:35:46,145 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-10-27 17:35:46,973 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 242 proven. 138 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 17:35:46,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [944395672] [2020-10-27 17:35:46,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:35:46,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 17:35:46,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532427227] [2020-10-27 17:35:46,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 17:35:46,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:35:46,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 17:35:46,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-27 17:35:46,976 INFO L87 Difference]: Start difference. First operand 7581 states and 10835 transitions. Second operand 11 states. [2020-10-27 17:35:47,237 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 74 [2020-10-27 17:35:47,851 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-10-27 17:35:48,228 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 90 [2020-10-27 17:35:48,678 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 89 [2020-10-27 17:35:49,627 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2020-10-27 17:35:50,179 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 70 [2020-10-27 17:35:50,589 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 34 [2020-10-27 17:35:51,121 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 23 [2020-10-27 17:35:52,109 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 33 [2020-10-27 17:35:54,269 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-10-27 17:35:56,077 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2020-10-27 17:35:56,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:35:56,783 INFO L93 Difference]: Finished difference Result 15622 states and 24055 transitions. [2020-10-27 17:35:56,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 17:35:56,784 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 396 [2020-10-27 17:35:56,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:35:56,831 INFO L225 Difference]: With dead ends: 15622 [2020-10-27 17:35:56,832 INFO L226 Difference]: Without dead ends: 8002 [2020-10-27 17:35:56,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=225, Invalid=897, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 17:35:56,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8002 states. [2020-10-27 17:35:57,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8002 to 7399. [2020-10-27 17:35:57,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7399 states. [2020-10-27 17:35:57,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7399 states to 7399 states and 10275 transitions. [2020-10-27 17:35:57,163 INFO L78 Accepts]: Start accepts. Automaton has 7399 states and 10275 transitions. Word has length 396 [2020-10-27 17:35:57,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:35:57,164 INFO L481 AbstractCegarLoop]: Abstraction has 7399 states and 10275 transitions. [2020-10-27 17:35:57,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 17:35:57,164 INFO L276 IsEmpty]: Start isEmpty. Operand 7399 states and 10275 transitions. [2020-10-27 17:35:57,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2020-10-27 17:35:57,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:35:57,193 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:35:57,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 17:35:57,193 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:35:57,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:35:57,194 INFO L82 PathProgramCache]: Analyzing trace with hash 430660579, now seen corresponding path program 1 times [2020-10-27 17:35:57,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:35:57,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [538464497] [2020-10-27 17:35:57,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:35:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:35:57,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:57,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:57,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:35:58,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:02,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:02,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 414 [2020-10-27 17:36:02,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:36:02,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 17:36:02,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:36:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 245 [2020-10-27 17:36:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 17:36:02,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:02,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:36:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:02,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:02,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:02,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:36:02,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:02,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 17:36:02,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:02,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:36:02,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:36:02,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:36:02,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:02,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:36:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:02,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:02,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:02,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 17:36:02,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:02,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 17:36:02,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:02,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:36:02,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:36:02,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:36:02,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:02,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 17:36:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:02,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:02,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:02,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-27 17:36:02,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:02,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-27 17:36:02,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:02,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:36:02,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:36:02,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-27 17:36:02,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:02,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-27 17:36:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:02,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:02,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:02,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:02,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:36:02,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:36:02,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-27 17:36:02,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:36:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:36:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 17:36:02,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:03,821 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 276 proven. 2 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-10-27 17:36:03,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [538464497] [2020-10-27 17:36:03,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:36:03,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:36:03,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253193193] [2020-10-27 17:36:03,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:36:03,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:36:03,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:36:03,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:36:03,824 INFO L87 Difference]: Start difference. First operand 7399 states and 10275 transitions. Second operand 7 states. [2020-10-27 17:36:04,011 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 17:36:05,911 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-10-27 17:36:06,112 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 17:36:06,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:36:06,748 INFO L93 Difference]: Finished difference Result 11561 states and 16287 transitions. [2020-10-27 17:36:06,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 17:36:06,749 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 398 [2020-10-27 17:36:06,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:36:06,779 INFO L225 Difference]: With dead ends: 11561 [2020-10-27 17:36:06,779 INFO L226 Difference]: Without dead ends: 7428 [2020-10-27 17:36:06,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-27 17:36:06,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7428 states. [2020-10-27 17:36:07,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7428 to 7401. [2020-10-27 17:36:07,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7401 states. [2020-10-27 17:36:07,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7401 states to 7401 states and 10237 transitions. [2020-10-27 17:36:07,049 INFO L78 Accepts]: Start accepts. Automaton has 7401 states and 10237 transitions. Word has length 398 [2020-10-27 17:36:07,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:36:07,050 INFO L481 AbstractCegarLoop]: Abstraction has 7401 states and 10237 transitions. [2020-10-27 17:36:07,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:36:07,050 INFO L276 IsEmpty]: Start isEmpty. Operand 7401 states and 10237 transitions. [2020-10-27 17:36:07,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2020-10-27 17:36:07,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:36:07,078 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:36:07,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 17:36:07,078 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:36:07,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:36:07,079 INFO L82 PathProgramCache]: Analyzing trace with hash -782871536, now seen corresponding path program 1 times [2020-10-27 17:36:07,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:36:07,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2040148443] [2020-10-27 17:36:07,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:36:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:07,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:07,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:07,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:09,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:12,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:12,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 420 [2020-10-27 17:36:12,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:36:12,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 17:36:12,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:12,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:36:12,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-10-27 17:36:12,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 17:36:12,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:12,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:36:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:12,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:12,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:12,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:36:12,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:12,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:36:12,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:12,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:36:12,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:36:12,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:36:12,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:12,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:36:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:12,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:12,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:12,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 17:36:12,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:12,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 17:36:12,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:12,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:36:12,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:36:12,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:36:12,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:12,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 17:36:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:12,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:12,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:12,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 17:36:12,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:12,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-27 17:36:12,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:12,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:36:12,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:36:12,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-27 17:36:12,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:12,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-27 17:36:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:12,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:12,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:12,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:12,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:36:12,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:36:12,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-10-27 17:36:12,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:12,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:36:12,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:36:12,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 17:36:12,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:13,421 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 292 proven. 2 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-27 17:36:13,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2040148443] [2020-10-27 17:36:13,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:36:13,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 17:36:13,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467451166] [2020-10-27 17:36:13,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 17:36:13,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:36:13,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 17:36:13,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:36:13,424 INFO L87 Difference]: Start difference. First operand 7401 states and 10237 transitions. Second operand 8 states. [2020-10-27 17:36:15,736 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 17:36:16,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:36:16,469 INFO L93 Difference]: Finished difference Result 11740 states and 17855 transitions. [2020-10-27 17:36:16,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 17:36:16,470 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 404 [2020-10-27 17:36:16,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:36:16,513 INFO L225 Difference]: With dead ends: 11740 [2020-10-27 17:36:16,513 INFO L226 Difference]: Without dead ends: 7601 [2020-10-27 17:36:16,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:36:16,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7601 states. [2020-10-27 17:36:16,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7601 to 7401. [2020-10-27 17:36:16,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7401 states. [2020-10-27 17:36:16,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7401 states to 7401 states and 10225 transitions. [2020-10-27 17:36:16,782 INFO L78 Accepts]: Start accepts. Automaton has 7401 states and 10225 transitions. Word has length 404 [2020-10-27 17:36:16,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:36:16,783 INFO L481 AbstractCegarLoop]: Abstraction has 7401 states and 10225 transitions. [2020-10-27 17:36:16,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 17:36:16,783 INFO L276 IsEmpty]: Start isEmpty. Operand 7401 states and 10225 transitions. [2020-10-27 17:36:16,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2020-10-27 17:36:16,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:36:16,811 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:36:16,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 17:36:16,812 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:36:16,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:36:16,812 INFO L82 PathProgramCache]: Analyzing trace with hash 806752365, now seen corresponding path program 1 times [2020-10-27 17:36:16,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:36:16,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [845621312] [2020-10-27 17:36:16,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:36:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:16,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:17,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:17,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:18,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:18,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:20,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:21,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:21,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 484 [2020-10-27 17:36:21,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 17:36:21,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 17:36:21,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:21,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:36:21,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-10-27 17:36:21,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-27 17:36:21,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:22,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:36:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:22,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:22,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:22,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:36:22,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:22,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:36:22,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:22,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:36:22,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:36:22,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:36:22,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:22,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:36:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:22,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:22,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:22,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-27 17:36:22,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:22,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-27 17:36:22,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:22,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:36:22,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:36:22,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-27 17:36:22,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:22,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-27 17:36:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:22,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:22,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:22,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:22,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:36:22,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:36:22,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-27 17:36:22,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:22,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:36:22,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:36:22,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 17:36:22,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:22,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-10-27 17:36:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:22,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:22,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:22,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:36:22,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:22,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 17:36:22,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:22,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:36:22,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-27 17:36:22,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:36:22,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:22,821 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 196 proven. 134 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2020-10-27 17:36:22,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [845621312] [2020-10-27 17:36:22,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:36:22,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:36:22,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329525212] [2020-10-27 17:36:22,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:36:22,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:36:22,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:36:22,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:36:22,823 INFO L87 Difference]: Start difference. First operand 7401 states and 10225 transitions. Second operand 7 states. [2020-10-27 17:36:26,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:36:26,652 INFO L93 Difference]: Finished difference Result 14389 states and 20321 transitions. [2020-10-27 17:36:26,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 17:36:26,653 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 468 [2020-10-27 17:36:26,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:36:26,681 INFO L225 Difference]: With dead ends: 14389 [2020-10-27 17:36:26,681 INFO L226 Difference]: Without dead ends: 8378 [2020-10-27 17:36:26,698 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:36:26,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8378 states. [2020-10-27 17:36:26,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8378 to 8167. [2020-10-27 17:36:26,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8167 states. [2020-10-27 17:36:27,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8167 states to 8167 states and 10984 transitions. [2020-10-27 17:36:27,005 INFO L78 Accepts]: Start accepts. Automaton has 8167 states and 10984 transitions. Word has length 468 [2020-10-27 17:36:27,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:36:27,006 INFO L481 AbstractCegarLoop]: Abstraction has 8167 states and 10984 transitions. [2020-10-27 17:36:27,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:36:27,006 INFO L276 IsEmpty]: Start isEmpty. Operand 8167 states and 10984 transitions. [2020-10-27 17:36:27,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2020-10-27 17:36:27,049 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:36:27,049 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:36:27,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 17:36:27,050 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:36:27,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:36:27,050 INFO L82 PathProgramCache]: Analyzing trace with hash 835714677, now seen corresponding path program 1 times [2020-10-27 17:36:27,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:36:27,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [443974121] [2020-10-27 17:36:27,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:36:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:27,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:27,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:27,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:27,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:28,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:28,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:29,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:31,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:32,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:32,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 507 [2020-10-27 17:36:32,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 17:36:32,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 17:36:32,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:32,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:36:32,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 199 [2020-10-27 17:36:32,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 17:36:32,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:32,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:36:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:32,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:32,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:32,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:36:32,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:32,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 17:36:32,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:32,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:36:32,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:36:32,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:36:32,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:32,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:36:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:32,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:32,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:32,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 17:36:32,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:32,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 17:36:32,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:32,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:36:32,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:36:32,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:36:32,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:32,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 17:36:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:32,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:32,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:32,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 17:36:32,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:32,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 17:36:32,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:32,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:36:32,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:36:32,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 17:36:32,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:32,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-27 17:36:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:32,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:32,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:32,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:36:32,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:32,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-27 17:36:32,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:36:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:36:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 17:36:32,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:32,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-10-27 17:36:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:32,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:32,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:32,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:36:32,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:32,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-27 17:36:32,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:32,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:36:32,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-27 17:36:32,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:36:32,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:33,322 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 274 proven. 134 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-10-27 17:36:33,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [443974121] [2020-10-27 17:36:33,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:36:33,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:36:33,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430785661] [2020-10-27 17:36:33,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:36:33,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:36:33,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:36:33,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:36:33,329 INFO L87 Difference]: Start difference. First operand 8167 states and 10984 transitions. Second operand 7 states. [2020-10-27 17:36:37,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:36:37,738 INFO L93 Difference]: Finished difference Result 18143 states and 26808 transitions. [2020-10-27 17:36:37,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 17:36:37,739 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 489 [2020-10-27 17:36:37,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:36:37,782 INFO L225 Difference]: With dead ends: 18143 [2020-10-27 17:36:37,783 INFO L226 Difference]: Without dead ends: 9982 [2020-10-27 17:36:37,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-27 17:36:37,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9982 states. [2020-10-27 17:36:38,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9982 to 9733. [2020-10-27 17:36:38,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9733 states. [2020-10-27 17:36:38,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9733 states to 9733 states and 13088 transitions. [2020-10-27 17:36:38,137 INFO L78 Accepts]: Start accepts. Automaton has 9733 states and 13088 transitions. Word has length 489 [2020-10-27 17:36:38,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:36:38,138 INFO L481 AbstractCegarLoop]: Abstraction has 9733 states and 13088 transitions. [2020-10-27 17:36:38,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:36:38,138 INFO L276 IsEmpty]: Start isEmpty. Operand 9733 states and 13088 transitions. [2020-10-27 17:36:38,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2020-10-27 17:36:38,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:36:38,163 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 17:36:38,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 17:36:38,163 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:36:38,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:36:38,164 INFO L82 PathProgramCache]: Analyzing trace with hash 79812415, now seen corresponding path program 1 times [2020-10-27 17:36:38,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:36:38,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [439417342] [2020-10-27 17:36:38,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:36:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:38,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:38,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:38,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:42,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:43,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:43,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 522 [2020-10-27 17:36:43,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:36:43,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-27 17:36:43,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 17:36:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 214 [2020-10-27 17:36:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 304 [2020-10-27 17:36:43,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:43,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:36:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:43,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:43,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:43,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:36:43,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:43,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:36:43,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:43,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:36:43,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:36:43,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:36:43,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:43,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:36:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:43,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:43,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:43,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 17:36:43,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:43,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 17:36:43,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:43,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:36:43,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:36:43,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:36:43,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:43,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 17:36:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:43,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:43,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:43,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:36:43,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:43,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 17:36:43,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:43,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:36:43,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:36:43,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 17:36:43,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:43,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-27 17:36:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:43,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:44,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:44,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:36:44,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:44,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-10-27 17:36:44,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:44,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:36:44,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:36:44,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 17:36:44,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:44,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2020-10-27 17:36:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:44,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:44,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:44,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:36:44,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:44,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-27 17:36:44,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:44,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 17:36:44,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:36:44,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 17:36:44,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:45,080 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 435 proven. 50 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-27 17:36:45,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [439417342] [2020-10-27 17:36:45,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:36:45,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 17:36:45,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702572938] [2020-10-27 17:36:45,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 17:36:45,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:36:45,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 17:36:45,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:36:45,083 INFO L87 Difference]: Start difference. First operand 9733 states and 13088 transitions. Second operand 8 states. [2020-10-27 17:36:51,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:36:51,461 INFO L93 Difference]: Finished difference Result 23541 states and 33115 transitions. [2020-10-27 17:36:51,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 17:36:51,462 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 504 [2020-10-27 17:36:51,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:36:51,521 INFO L225 Difference]: With dead ends: 23541 [2020-10-27 17:36:51,521 INFO L226 Difference]: Without dead ends: 14194 [2020-10-27 17:36:51,542 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-10-27 17:36:51,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14194 states. [2020-10-27 17:36:51,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14194 to 13214. [2020-10-27 17:36:51,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13214 states. [2020-10-27 17:36:51,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13214 states to 13214 states and 17149 transitions. [2020-10-27 17:36:51,965 INFO L78 Accepts]: Start accepts. Automaton has 13214 states and 17149 transitions. Word has length 504 [2020-10-27 17:36:51,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:36:51,967 INFO L481 AbstractCegarLoop]: Abstraction has 13214 states and 17149 transitions. [2020-10-27 17:36:51,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 17:36:51,967 INFO L276 IsEmpty]: Start isEmpty. Operand 13214 states and 17149 transitions. [2020-10-27 17:36:52,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2020-10-27 17:36:52,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:36:52,005 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:36:52,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 17:36:52,005 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:36:52,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:36:52,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1485772265, now seen corresponding path program 1 times [2020-10-27 17:36:52,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:36:52,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966445644] [2020-10-27 17:36:52,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:36:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:52,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:52,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:53,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:57,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:57,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 531 [2020-10-27 17:36:57,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:36:57,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-27 17:36:57,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:57,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 17:36:57,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-10-27 17:36:57,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 304 [2020-10-27 17:36:57,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:57,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:36:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:57,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:57,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:57,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:36:57,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:57,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:36:57,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:57,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:36:57,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:36:57,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:36:57,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:57,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:36:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:57,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:57,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:57,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 17:36:57,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:57,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 17:36:57,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:57,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:36:57,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:36:57,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:36:57,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:57,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 17:36:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:57,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:57,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:57,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-27 17:36:57,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:57,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 17:36:57,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:57,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:36:57,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:36:57,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-27 17:36:57,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:57,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-27 17:36:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:57,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:57,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:57,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:36:57,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:57,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-27 17:36:57,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:57,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:36:57,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:36:57,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 17:36:57,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:57,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2020-10-27 17:36:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:36:57,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:36:57,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:36:57,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:36:57,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:36:57,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-27 17:36:57,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:36:57,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 17:36:57,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:36:57,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 17:36:57,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:36:58,265 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 461 proven. 42 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2020-10-27 17:36:58,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966445644] [2020-10-27 17:36:58,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:36:58,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 17:36:58,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654487816] [2020-10-27 17:36:58,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 17:36:58,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:36:58,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 17:36:58,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:36:58,267 INFO L87 Difference]: Start difference. First operand 13214 states and 17149 transitions. Second operand 8 states. [2020-10-27 17:37:03,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:37:03,805 INFO L93 Difference]: Finished difference Result 32694 states and 43575 transitions. [2020-10-27 17:37:03,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 17:37:03,806 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 513 [2020-10-27 17:37:03,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:37:03,868 INFO L225 Difference]: With dead ends: 32694 [2020-10-27 17:37:03,868 INFO L226 Difference]: Without dead ends: 19486 [2020-10-27 17:37:03,894 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-27 17:37:03,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19486 states. [2020-10-27 17:37:04,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19486 to 18372. [2020-10-27 17:37:04,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18372 states. [2020-10-27 17:37:04,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18372 states to 18372 states and 23861 transitions. [2020-10-27 17:37:04,449 INFO L78 Accepts]: Start accepts. Automaton has 18372 states and 23861 transitions. Word has length 513 [2020-10-27 17:37:04,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:37:04,450 INFO L481 AbstractCegarLoop]: Abstraction has 18372 states and 23861 transitions. [2020-10-27 17:37:04,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 17:37:04,450 INFO L276 IsEmpty]: Start isEmpty. Operand 18372 states and 23861 transitions. [2020-10-27 17:37:04,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2020-10-27 17:37:04,491 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:37:04,492 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:37:04,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 17:37:04,492 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:37:04,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:37:04,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1745468173, now seen corresponding path program 1 times [2020-10-27 17:37:04,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:37:04,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1191209426] [2020-10-27 17:37:04,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:37:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:04,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:04,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:04,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:05,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:05,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:05,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:06,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:07,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:08,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:08,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 537 [2020-10-27 17:37:08,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 17:37:08,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4226 [2020-10-27 17:37:08,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:08,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:37:08,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 228 [2020-10-27 17:37:08,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 280 [2020-10-27 17:37:08,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:09,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:37:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:09,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:09,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:09,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:37:09,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:09,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:37:09,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:09,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:37:09,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:09,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:37:09,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:09,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:37:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:09,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:09,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:09,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 17:37:09,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:09,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 17:37:09,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:09,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:37:09,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:09,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:37:09,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:09,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 17:37:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:09,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:09,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:09,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:09,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 17:37:09,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:37:09,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-27 17:37:09,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:09,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:37:09,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 17:37:09,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:37:09,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:09,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-27 17:37:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:09,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:09,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:09,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:09,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:37:09,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:37:09,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-27 17:37:09,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:09,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:37:09,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-27 17:37:09,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 17:37:09,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:09,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2020-10-27 17:37:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:09,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:09,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:09,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:37:09,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:09,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 17:37:09,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:09,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:37:09,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 132 [2020-10-27 17:37:09,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 17:37:09,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:09,753 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 103 proven. 4 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2020-10-27 17:37:09,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1191209426] [2020-10-27 17:37:09,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:37:09,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:37:09,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837222288] [2020-10-27 17:37:09,754 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:37:09,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:37:09,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:37:09,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:37:09,755 INFO L87 Difference]: Start difference. First operand 18372 states and 23861 transitions. Second operand 6 states. [2020-10-27 17:37:11,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:37:11,982 INFO L93 Difference]: Finished difference Result 35221 states and 45611 transitions. [2020-10-27 17:37:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:37:11,983 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 519 [2020-10-27 17:37:11,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:37:12,036 INFO L225 Difference]: With dead ends: 35221 [2020-10-27 17:37:12,037 INFO L226 Difference]: Without dead ends: 17433 [2020-10-27 17:37:12,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:37:12,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17433 states. [2020-10-27 17:37:12,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17433 to 17423. [2020-10-27 17:37:12,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17423 states. [2020-10-27 17:37:12,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17423 states to 17423 states and 22357 transitions. [2020-10-27 17:37:12,580 INFO L78 Accepts]: Start accepts. Automaton has 17423 states and 22357 transitions. Word has length 519 [2020-10-27 17:37:12,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:37:12,581 INFO L481 AbstractCegarLoop]: Abstraction has 17423 states and 22357 transitions. [2020-10-27 17:37:12,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:37:12,581 INFO L276 IsEmpty]: Start isEmpty. Operand 17423 states and 22357 transitions. [2020-10-27 17:37:12,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2020-10-27 17:37:12,624 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:37:12,625 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:37:12,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 17:37:12,626 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:37:12,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:37:12,626 INFO L82 PathProgramCache]: Analyzing trace with hash 470839736, now seen corresponding path program 1 times [2020-10-27 17:37:12,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:37:12,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585683762] [2020-10-27 17:37:12,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:37:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:12,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:12,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:12,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:13,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:13,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:14,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:17,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:17,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 587 [2020-10-27 17:37:17,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 17:37:17,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 17:37:17,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:17,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:37:17,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 278 [2020-10-27 17:37:17,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-27 17:37:17,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:17,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:37:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:17,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:17,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:17,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:37:17,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:17,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 17:37:17,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:37:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:37:17,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:17,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:37:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:17,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:17,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:17,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 17:37:17,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:17,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 17:37:17,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:17,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:37:17,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:17,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:37:17,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:17,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 17:37:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:17,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:18,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:18,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 17:37:18,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:18,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-10-27 17:37:18,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:18,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:37:18,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:18,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-27 17:37:18,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:18,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-10-27 17:37:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:18,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:18,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:18,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:37:18,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:18,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-27 17:37:18,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:18,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:37:18,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:37:18,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 17:37:18,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:18,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2020-10-27 17:37:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:18,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:18,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:18,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:37:18,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:18,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 17:37:18,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:18,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:37:18,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-27 17:37:18,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:37:18,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:18,724 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 310 proven. 134 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2020-10-27 17:37:18,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585683762] [2020-10-27 17:37:18,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:37:18,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:37:18,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621293723] [2020-10-27 17:37:18,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:37:18,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:37:18,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:37:18,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:37:18,726 INFO L87 Difference]: Start difference. First operand 17423 states and 22357 transitions. Second operand 7 states. [2020-10-27 17:37:22,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:37:22,005 INFO L93 Difference]: Finished difference Result 28562 states and 36684 transitions. [2020-10-27 17:37:22,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 17:37:22,006 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 569 [2020-10-27 17:37:22,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:37:22,007 INFO L225 Difference]: With dead ends: 28562 [2020-10-27 17:37:22,007 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 17:37:22,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:37:22,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 17:37:22,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 17:37:22,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 17:37:22,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 17:37:22,060 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 569 [2020-10-27 17:37:22,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:37:22,061 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 17:37:22,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:37:22,061 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 17:37:22,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 17:37:22,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 17:37:22,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 17:37:28,267 WARN L193 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 1018 DAG size of output: 914 [2020-10-27 17:37:31,558 WARN L193 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 1018 DAG size of output: 914 [2020-10-27 17:37:32,105 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2020-10-27 17:37:35,098 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 447 DAG size of output: 88 [2020-10-27 17:37:47,073 WARN L193 SmtUtils]: Spent 11.97 s on a formula simplification. DAG size of input: 891 DAG size of output: 75 [2020-10-27 17:37:59,295 WARN L193 SmtUtils]: Spent 12.21 s on a formula simplification. DAG size of input: 891 DAG size of output: 75 [2020-10-27 17:38:00,717 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 265 DAG size of output: 78 [2020-10-27 17:38:00,722 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 17:38:00,722 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 17:38:00,723 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 17:38:00,723 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 17:38:00,723 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:38:00,723 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a23~0 |old(~a23~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#valid)| |#valid|) (= ~a3~0 |old(~a3~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-27 17:38:00,723 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:38:00,723 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,723 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,723 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,723 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,724 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-27 17:38:00,724 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-27 17:38:00,724 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,724 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,724 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,724 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,724 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,724 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,724 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-27 17:38:00,724 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-27 17:38:00,725 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-27 17:38:00,725 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,725 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,725 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,725 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,725 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,725 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,725 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,725 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-27 17:38:00,726 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-27 17:38:00,726 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-27 17:38:00,726 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,726 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,726 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,726 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,726 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,726 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,726 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,726 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,726 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,727 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-27 17:38:00,727 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-27 17:38:00,727 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-27 17:38:00,727 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,727 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,727 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,727 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,727 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,727 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,727 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,727 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,727 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,728 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-27 17:38:00,728 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-27 17:38:00,728 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-27 17:38:00,728 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-27 17:38:00,728 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-27 17:38:00,728 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-27 17:38:00,728 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-27 17:38:00,728 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,728 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,728 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,729 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,729 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,729 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,729 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,729 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,729 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,729 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,729 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-27 17:38:00,729 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-27 17:38:00,729 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-27 17:38:00,729 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,730 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,730 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,730 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,730 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,730 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,730 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-27 17:38:00,730 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-27 17:38:00,730 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-27 17:38:00,730 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,730 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,730 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,731 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,731 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-27 17:38:00,731 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-27 17:38:00,731 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,731 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,731 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,731 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,731 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,731 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,731 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-27 17:38:00,732 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-27 17:38:00,732 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,732 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,732 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-27 17:38:00,732 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-27 17:38:00,732 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-27 17:38:00,732 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,732 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,732 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,732 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,732 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,733 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,733 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,733 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-27 17:38:00,733 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-27 17:38:00,733 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-27 17:38:00,733 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-27 17:38:00,733 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-27 17:38:00,733 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-27 17:38:00,733 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-27 17:38:00,733 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,734 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse9 (= |old(~a4~0)| 1)) (.cse10 (= ~a25~0 |old(~a25~0)|)) (.cse11 (= ~a23~0 |old(~a23~0)|)) (.cse12 (= ~a29~0 |old(~a29~0)|))) (let ((.cse0 (not (<= |old(~a25~0)| 9))) (.cse3 (not (<= 9 |old(~a25~0)|))) (.cse4 (not (<= |old(~a4~0)| 1))) (.cse6 (not (<= 1 |old(~a4~0)|))) (.cse1 (not (= ~a8~0 15))) (.cse2 (and .cse10 .cse11 .cse12 (= ~a4~0 |old(~a4~0)|))) (.cse7 (not .cse9)) (.cse8 (and .cse10 .cse11 .cse12 (= ~a4~0 1))) (.cse5 (not (= ~a3~0 1)))) (and (or .cse0 .cse1 (not (<= 0 (+ |old(~a23~0)| 42))) (not (<= |old(~a23~0)| 137)) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 (not (<= 10 |old(~a25~0)|)) (= 11 |old(~a25~0)|) .cse8 .cse5) (or .cse0 .cse1 (not (<= 141 |old(~a23~0)|)) .cse2 .cse3 .cse4 .cse5 (not (<= (+ |old(~a29~0)| 538658) 0)) .cse6) (or .cse9 (not (<= 0 (+ |old(~a29~0)| 599898))) .cse2 .cse5) (or .cse7 (not (<= 155 |old(~a23~0)|)) .cse8 .cse1 (not (<= (+ |old(~a29~0)| 90601) 0)) (not (= 9 |old(~a25~0)|)) .cse5) (or .cse7 (not (<= |old(~a25~0)| 10)) .cse8 .cse5 (not (<= 160 |old(~a23~0)|))) (or .cse9 .cse2 (not (<= (+ |old(~a23~0)| 43) 0)) .cse5) (or .cse7 .cse8 (not (<= 141 |old(~a29~0)|)) .cse5)))) [2020-10-27 17:38:00,734 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,734 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-27 17:38:00,734 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-27 17:38:00,734 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,734 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,734 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,735 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,735 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,735 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-27 17:38:00,735 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-27 17:38:00,735 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-27 17:38:00,735 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,735 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,735 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,735 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,735 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,735 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,735 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-27 17:38:00,736 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-27 17:38:00,736 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-27 17:38:00,736 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,736 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,736 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,736 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,736 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,736 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,736 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,736 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,736 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-27 17:38:00,737 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-27 17:38:00,737 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-27 17:38:00,737 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,737 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,737 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,737 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,737 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,737 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,737 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,737 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,737 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,738 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,738 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,738 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-27 17:38:00,738 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-27 17:38:00,738 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-27 17:38:00,738 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-27 17:38:00,738 INFO L270 CegarLoopResult]: At program point L71(line 71) the Hoare annotation is: (let ((.cse7 (= |old(~a4~0)| 1))) (let ((.cse0 (not (<= |old(~a25~0)| 9))) (.cse2 (not (<= 9 |old(~a25~0)|))) (.cse3 (not (<= |old(~a4~0)| 1))) (.cse5 (not (<= 1 |old(~a4~0)|))) (.cse1 (not (= ~a8~0 15))) (.cse6 (not .cse7)) (.cse4 (not (= ~a3~0 1)))) (and (or .cse0 .cse1 (not (<= 0 (+ |old(~a23~0)| 42))) (not (<= |old(~a23~0)| 137)) .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 (not (<= 141 |old(~a23~0)|)) .cse2 .cse3 .cse4 (not (<= (+ |old(~a29~0)| 538658) 0)) .cse5) (or .cse6 (not (<= |old(~a25~0)| 10)) .cse4 (not (<= 160 |old(~a23~0)|))) (or .cse7 (not (<= 0 (+ |old(~a29~0)| 599898))) .cse4) (or (not (<= 141 |old(~a29~0)|)) .cse4) (or .cse6 (not (<= 155 |old(~a23~0)|)) .cse1 (not (<= (+ |old(~a29~0)| 90601) 0)) (not (= 9 |old(~a25~0)|)) .cse4) (or .cse6 (not (<= 10 |old(~a25~0)|)) (= 11 |old(~a25~0)|) .cse4) (or .cse7 (not (<= (+ |old(~a23~0)| 43) 0)) .cse4)))) [2020-10-27 17:38:00,738 INFO L274 CegarLoopResult]: For program point L71-1(line 71) no Hoare annotation was computed. [2020-10-27 17:38:00,739 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,739 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,739 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,739 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,739 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,739 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,739 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,739 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-27 17:38:00,739 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-27 17:38:00,739 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-27 17:38:00,739 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,739 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,739 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,740 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-27 17:38:00,740 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-27 17:38:00,740 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,740 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,740 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,740 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,740 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,740 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-27 17:38:00,740 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-27 17:38:00,740 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,740 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,740 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-27 17:38:00,741 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-27 17:38:00,741 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,741 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,741 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,741 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,741 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,741 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,741 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-27 17:38:00,741 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-27 17:38:00,741 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-27 17:38:00,741 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-27 17:38:00,741 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,742 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,742 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,742 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,742 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,742 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,742 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,742 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,742 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-27 17:38:00,742 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-27 17:38:00,742 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-27 17:38:00,742 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-27 17:38:00,742 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-27 17:38:00,742 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-27 17:38:00,742 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,743 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,743 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,743 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,743 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,743 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,743 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,743 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,743 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-27 17:38:00,743 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-27 17:38:00,743 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,743 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,743 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,743 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,744 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,744 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,744 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-27 17:38:00,744 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-27 17:38:00,744 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,744 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,744 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,744 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,744 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,744 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,744 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,744 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-27 17:38:00,744 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,745 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,745 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,745 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-27 17:38:00,745 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-27 17:38:00,745 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-27 17:38:00,745 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,745 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-27 17:38:00,745 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,745 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-27 17:38:00,745 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,745 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,746 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,746 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,746 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,746 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,746 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-27 17:38:00,746 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-27 17:38:00,746 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-27 17:38:00,746 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,746 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,746 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,746 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,747 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,747 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,747 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,747 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,747 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,747 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,747 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-27 17:38:00,747 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-27 17:38:00,747 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-27 17:38:00,747 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,748 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-27 17:38:00,748 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-27 17:38:00,748 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,748 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,748 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:38:00,748 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,748 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,748 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-27 17:38:00,748 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-27 17:38:00,748 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-27 17:38:00,748 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-27 17:38:00,749 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:38:00,749 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 0 (+ ~a29~0 599898)) (= ~a25~0 10) (= ~a8~0 15) (= ~a4~0 1) (= ~a3~0 1) (= ~a23~0 312)) [2020-10-27 17:38:00,749 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 17:38:00,749 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:38:00,749 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (= 312 |old(~a23~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 1) (= ~a23~0 312)) (not (= ~a8~0 15)) (not (<= 0 (+ |old(~a29~0)| 599898))) (not (= 10 |old(~a25~0)|)) (not (= ~a3~0 1))) [2020-10-27 17:38:00,749 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-27 17:38:00,749 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (let ((.cse5 (= ~a4~0 1))) (let ((.cse0 (not .cse5)) (.cse1 (<= 1 ~a4~0)) (.cse2 (<= ~a25~0 9)) (.cse3 (<= 9 ~a25~0)) (.cse4 (<= ~a4~0 1))) (or (and (<= 0 (+ ~a29~0 599898)) .cse0) (not (= ~a8~0 15)) (and .cse1 .cse2 .cse3 (<= 141 ~a23~0) (<= (+ ~a29~0 538658) 0) .cse4) (not (= ~a3~0 1)) (and (= ~a25~0 9) (<= 155 ~a23~0) (<= (+ ~a29~0 90601) 0) .cse5) (not (= |old(~a4~0)| 1)) (and .cse0 (<= (+ ~a23~0 43) 0)) (and (<= ~a25~0 10) (<= 160 ~a23~0) .cse5) (not (= 312 |old(~a23~0)|)) (and (not (= ~a25~0 11)) (<= 10 ~a25~0) .cse5) (and (<= ~a23~0 137) .cse1 .cse2 (<= 0 (+ ~a23~0 42)) .cse3 .cse4) (not (<= 0 (+ |old(~a29~0)| 599898))) (<= 141 ~a29~0) (not (= 10 |old(~a25~0)|))))) [2020-10-27 17:38:00,750 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-27 17:38:00,750 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-27 17:38:00,750 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse5 (= ~a4~0 1))) (let ((.cse0 (not .cse5)) (.cse1 (<= 1 ~a4~0)) (.cse2 (<= ~a25~0 9)) (.cse3 (<= 9 ~a25~0)) (.cse4 (<= ~a4~0 1))) (or (and (<= 0 (+ ~a29~0 599898)) .cse0) (not (= ~a8~0 15)) (and .cse1 .cse2 .cse3 (<= 141 ~a23~0) (<= (+ ~a29~0 538658) 0) .cse4) (not (= ~a3~0 1)) (and (= ~a25~0 9) (<= 155 ~a23~0) (<= (+ ~a29~0 90601) 0) .cse5) (not (= |old(~a4~0)| 1)) (and .cse0 (<= (+ ~a23~0 43) 0)) (and (<= ~a25~0 10) (<= 160 ~a23~0) .cse5) (not (= 312 |old(~a23~0)|)) (and (not (= ~a25~0 11)) (<= 10 ~a25~0) .cse5) (and (<= ~a23~0 137) .cse1 .cse2 (<= 0 (+ ~a23~0 42)) .cse3 .cse4) (not (<= 0 (+ |old(~a29~0)| 599898))) (<= 141 ~a29~0) (not (= 10 |old(~a25~0)|))))) [2020-10-27 17:38:00,750 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-27 17:38:00,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:38:00 BoogieIcfgContainer [2020-10-27 17:38:00,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:38:00,780 INFO L168 Benchmark]: Toolchain (without parser) took 201348.48 ms. Allocated memory was 166.7 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 138.0 MB in the beginning and 795.9 MB in the end (delta: -657.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2020-10-27 17:38:00,780 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 166.7 MB. Free memory is still 137.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:38:00,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1055.06 ms. Allocated memory is still 166.7 MB. Free memory was 137.4 MB in the beginning and 129.2 MB in the end (delta: 8.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 8.0 GB. [2020-10-27 17:38:00,781 INFO L168 Benchmark]: Boogie Preprocessor took 204.52 ms. Allocated memory is still 166.7 MB. Free memory was 128.6 MB in the beginning and 121.3 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-27 17:38:00,782 INFO L168 Benchmark]: RCFGBuilder took 2371.53 ms. Allocated memory was 166.7 MB in the beginning and 204.5 MB in the end (delta: 37.7 MB). Free memory was 121.3 MB in the beginning and 170.6 MB in the end (delta: -49.3 MB). Peak memory consumption was 92.2 MB. Max. memory is 8.0 GB. [2020-10-27 17:38:00,783 INFO L168 Benchmark]: TraceAbstraction took 197704.84 ms. Allocated memory was 204.5 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 170.1 MB in the beginning and 795.9 MB in the end (delta: -625.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2020-10-27 17:38:00,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 166.7 MB. Free memory is still 137.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1055.06 ms. Allocated memory is still 166.7 MB. Free memory was 137.4 MB in the beginning and 129.2 MB in the end (delta: 8.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 204.52 ms. Allocated memory is still 166.7 MB. Free memory was 128.6 MB in the beginning and 121.3 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2371.53 ms. Allocated memory was 166.7 MB in the beginning and 204.5 MB in the end (delta: 37.7 MB). Free memory was 121.3 MB in the beginning and 170.6 MB in the end (delta: -49.3 MB). Peak memory consumption was 92.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 197704.84 ms. Allocated memory was 204.5 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 170.1 MB in the beginning and 795.9 MB in the end (delta: -625.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: (((((((((((((0 <= a29 + 599898 && !(a4 == 1)) || !(a8 == 15)) || (((((1 <= a4 && a25 <= 9) && 9 <= a25) && 141 <= a23) && a29 + 538658 <= 0) && a4 <= 1)) || !(a3 == 1)) || (((a25 == 9 && 155 <= a23) && a29 + 90601 <= 0) && a4 == 1)) || !(\old(a4) == 1)) || (!(a4 == 1) && a23 + 43 <= 0)) || ((a25 <= 10 && 160 <= a23) && a4 == 1)) || !(312 == \old(a23))) || ((!(a25 == 11) && 10 <= a25) && a4 == 1)) || (((((a23 <= 137 && 1 <= a4) && a25 <= 9) && 0 <= a23 + 42) && 9 <= a25) && a4 <= 1)) || !(0 <= \old(a29) + 599898)) || 141 <= a29) || !(10 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 158.9s, OverallIterations: 17, TraceHistogramMax: 5, AutomataDifference: 71.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 38.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 893 SDtfs, 12217 SDslu, 1698 SDs, 0 SdLazy, 26340 SolverSat, 4468 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 46.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 360 GetRequests, 190 SyntacticMatches, 2 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18372occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 4785 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1425 PreInvPairs, 1661 NumberOfFragments, 830 HoareAnnotationTreeSize, 1425 FomulaSimplifications, 117974360 FormulaSimplificationTreeSizeReduction, 9.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1745002 FormulaSimplificationTreeSizeReductionInter, 28.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 77.6s InterpolantComputationTime, 5673 NumberOfCodeBlocks, 5673 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 5656 ConstructedInterpolants, 0 QuantifiedInterpolants, 9106348 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 5092/5869 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...