/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=SHALLOWEST --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/Problem10_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 22:32:49,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 22:32:49,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 22:32:49,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 22:32:49,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 22:32:49,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 22:32:49,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 22:32:49,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 22:32:49,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 22:32:49,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 22:32:49,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 22:32:49,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 22:32:49,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 22:32:49,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 22:32:49,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 22:32:49,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 22:32:49,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 22:32:49,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 22:32:49,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 22:32:49,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 22:32:49,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 22:32:49,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 22:32:49,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 22:32:49,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 22:32:49,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 22:32:49,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 22:32:49,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 22:32:49,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 22:32:49,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 22:32:49,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 22:32:49,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 22:32:49,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 22:32:49,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 22:32:49,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 22:32:49,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 22:32:49,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 22:32:49,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 22:32:49,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 22:32:49,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 22:32:49,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 22:32:49,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 22:32:49,454 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 [2020-10-26 22:32:49,502 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 22:32:49,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 22:32:49,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 22:32:49,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 22:32:49,508 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 22:32:49,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 22:32:49,508 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 22:32:49,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 22:32:49,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 22:32:49,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 22:32:49,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 22:32:49,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 22:32:49,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 22:32:49,511 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 22:32:49,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 22:32:49,511 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 22:32:49,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 22:32:49,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 22:32:49,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 22:32:49,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 22:32:49,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 22:32:49,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 22:32:49,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 22:32:49,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 22:32:49,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 22:32:49,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 22:32:49,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 22:32:49,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 22:32:49,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 22:32:49,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 22:32:49,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 22:32:50,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 22:32:50,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 22:32:50,014 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 22:32:50,014 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 22:32:50,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label40.c [2020-10-26 22:32:50,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2226ff949/932d6602e3f54abfa63d483238963ac9/FLAG5100c15c4 [2020-10-26 22:32:50,883 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 22:32:50,884 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label40.c [2020-10-26 22:32:50,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2226ff949/932d6602e3f54abfa63d483238963ac9/FLAG5100c15c4 [2020-10-26 22:32:51,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2226ff949/932d6602e3f54abfa63d483238963ac9 [2020-10-26 22:32:51,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 22:32:51,156 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 22:32:51,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 22:32:51,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 22:32:51,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 22:32:51,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:32:51" (1/1) ... [2020-10-26 22:32:51,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6e5ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:51, skipping insertion in model container [2020-10-26 22:32:51,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:32:51" (1/1) ... [2020-10-26 22:32:51,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 22:32:51,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 22:32:51,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:32:51,741 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 22:32:51,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:32:51,932 INFO L208 MainTranslator]: Completed translation [2020-10-26 22:32:51,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:51 WrapperNode [2020-10-26 22:32:51,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 22:32:51,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 22:32:51,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 22:32:51,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 22:32:51,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:51" (1/1) ... [2020-10-26 22:32:51,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:51" (1/1) ... [2020-10-26 22:32:52,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:51" (1/1) ... [2020-10-26 22:32:52,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:51" (1/1) ... [2020-10-26 22:32:52,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:51" (1/1) ... [2020-10-26 22:32:52,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:51" (1/1) ... [2020-10-26 22:32:52,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:51" (1/1) ... [2020-10-26 22:32:52,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 22:32:52,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 22:32:52,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 22:32:52,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 22:32:52,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:51" (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 [2020-10-26 22:32:52,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 22:32:52,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 22:32:52,241 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 22:32:52,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 22:32:52,241 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 22:32:52,241 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 22:32:52,241 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 22:32:52,241 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 22:32:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 22:32:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 22:32:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 22:32:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 22:32:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 22:32:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 22:32:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 22:32:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 22:32:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 22:32:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 22:32:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 22:32:53,576 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 22:32:53,576 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 22:32:53,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:32:53 BoogieIcfgContainer [2020-10-26 22:32:53,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 22:32:53,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 22:32:53,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 22:32:53,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 22:32:53,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:32:51" (1/3) ... [2020-10-26 22:32:53,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e6fc02d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:32:53, skipping insertion in model container [2020-10-26 22:32:53,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:51" (2/3) ... [2020-10-26 22:32:53,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e6fc02d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:32:53, skipping insertion in model container [2020-10-26 22:32:53,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:32:53" (3/3) ... [2020-10-26 22:32:53,589 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label40.c [2020-10-26 22:32:53,603 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 22:32:53,609 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 22:32:53,624 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 22:32:53,656 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 22:32:53,657 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 22:32:53,657 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 22:32:53,657 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 22:32:53,657 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 22:32:53,657 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 22:32:53,658 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 22:32:53,658 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 22:32:53,683 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-26 22:32:53,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-26 22:32:53,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:32:53,693 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:32:53,694 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:32:53,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:32:53,701 INFO L82 PathProgramCache]: Analyzing trace with hash -376419412, now seen corresponding path program 1 times [2020-10-26 22:32:53,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:32:53,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1494983869] [2020-10-26 22:32:53,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:32:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:53,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:54,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:54,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-26 22:32:54,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:54,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 571 [2020-10-26 22:32:54,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:54,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:32:54,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:32:54,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-26 22:32:54,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:32:54,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:32:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:54,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:54,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:54,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:32:54,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:54,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-26 22:32:54,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:54,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:32:54,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:54,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:32:54,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:54,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:32:54,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1494983869] [2020-10-26 22:32:54,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:32:54,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 22:32:54,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542465593] [2020-10-26 22:32:54,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 22:32:54,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:32:54,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 22:32:54,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 22:32:54,734 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-26 22:32:56,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:32:56,547 INFO L93 Difference]: Finished difference Result 586 states and 1013 transitions. [2020-10-26 22:32:56,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:32:56,549 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2020-10-26 22:32:56,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:32:56,566 INFO L225 Difference]: With dead ends: 586 [2020-10-26 22:32:56,566 INFO L226 Difference]: Without dead ends: 303 [2020-10-26 22:32:56,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:32:56,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-26 22:32:56,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2020-10-26 22:32:56,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-26 22:32:56,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 449 transitions. [2020-10-26 22:32:56,682 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 449 transitions. Word has length 56 [2020-10-26 22:32:56,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:32:56,683 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 449 transitions. [2020-10-26 22:32:56,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 22:32:56,683 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 449 transitions. [2020-10-26 22:32:56,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-26 22:32:56,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:32:56,690 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:32:56,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 22:32:56,691 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:32:56,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:32:56,692 INFO L82 PathProgramCache]: Analyzing trace with hash -82314564, now seen corresponding path program 1 times [2020-10-26 22:32:56,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:32:56,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1716552658] [2020-10-26 22:32:56,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:32:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:56,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:56,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:57,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:58,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:58,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-26 22:32:58,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:32:58,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1920 [2020-10-26 22:32:58,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:58,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:32:58,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:32:58,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-26 22:32:58,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:32:58,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:32:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:58,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:58,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:58,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:32:58,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:58,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-26 22:32:58,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:58,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:32:58,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:58,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:32:58,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:58,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:32:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:58,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:59,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:59,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:32:59,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:59,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-26 22:32:59,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:59,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:32:59,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:32:59,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:32:59,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:59,139 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:32:59,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1716552658] [2020-10-26 22:32:59,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:32:59,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 22:32:59,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084560222] [2020-10-26 22:32:59,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:32:59,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:32:59,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:32:59,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:32:59,148 INFO L87 Difference]: Start difference. First operand 297 states and 449 transitions. Second operand 7 states. [2020-10-26 22:33:00,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:00,983 INFO L93 Difference]: Finished difference Result 751 states and 1152 transitions. [2020-10-26 22:33:00,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:33:00,985 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 129 [2020-10-26 22:33:00,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:00,990 INFO L225 Difference]: With dead ends: 751 [2020-10-26 22:33:00,991 INFO L226 Difference]: Without dead ends: 460 [2020-10-26 22:33:00,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:33:00,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-10-26 22:33:01,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 446. [2020-10-26 22:33:01,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-10-26 22:33:01,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 627 transitions. [2020-10-26 22:33:01,037 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 627 transitions. Word has length 129 [2020-10-26 22:33:01,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:01,038 INFO L481 AbstractCegarLoop]: Abstraction has 446 states and 627 transitions. [2020-10-26 22:33:01,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:01,038 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 627 transitions. [2020-10-26 22:33:01,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-26 22:33:01,042 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:01,042 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:01,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 22:33:01,042 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:01,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:01,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1936379216, now seen corresponding path program 1 times [2020-10-26 22:33:01,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:01,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1105360165] [2020-10-26 22:33:01,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:01,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:01,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:01,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:01,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-26 22:33:01,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:33:01,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 592 [2020-10-26 22:33:01,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:01,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:01,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-26 22:33:01,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-26 22:33:01,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:01,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:01,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:01,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:01,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:01,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:01,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-26 22:33:01,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:01,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:01,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:01,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:01,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:01,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:01,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:01,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:01,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-26 22:33:01,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:01,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-26 22:33:01,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:01,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:01,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:01,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:33:01,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:33:02,093 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:33:02,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1105360165] [2020-10-26 22:33:02,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:02,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 22:33:02,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170180495] [2020-10-26 22:33:02,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 22:33:02,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:02,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 22:33:02,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:33:02,099 INFO L87 Difference]: Start difference. First operand 446 states and 627 transitions. Second operand 6 states. [2020-10-26 22:33:03,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:03,774 INFO L93 Difference]: Finished difference Result 1337 states and 1936 transitions. [2020-10-26 22:33:03,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:33:03,775 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2020-10-26 22:33:03,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:03,786 INFO L225 Difference]: With dead ends: 1337 [2020-10-26 22:33:03,786 INFO L226 Difference]: Without dead ends: 897 [2020-10-26 22:33:03,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:03,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2020-10-26 22:33:03,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 885. [2020-10-26 22:33:03,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2020-10-26 22:33:03,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1250 transitions. [2020-10-26 22:33:03,892 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1250 transitions. Word has length 135 [2020-10-26 22:33:03,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:03,892 INFO L481 AbstractCegarLoop]: Abstraction has 885 states and 1250 transitions. [2020-10-26 22:33:03,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 22:33:03,893 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1250 transitions. [2020-10-26 22:33:03,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-26 22:33:03,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:03,898 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:03,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 22:33:03,899 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:03,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:03,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1132934876, now seen corresponding path program 1 times [2020-10-26 22:33:03,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:03,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [936585798] [2020-10-26 22:33:03,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:03,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:04,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:04,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:05,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:05,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-26 22:33:05,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:33:05,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1358 [2020-10-26 22:33:05,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:05,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:33:05,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:33:05,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-26 22:33:05,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-26 22:33:05,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:05,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:05,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:05,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:05,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:05,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-26 22:33:05,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:05,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:05,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:05,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:33:05,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:05,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:05,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:05,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:05,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-26 22:33:05,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:05,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-26 22:33:05,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:05,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:05,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:05,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-26 22:33:05,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:05,776 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:33:05,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [936585798] [2020-10-26 22:33:05,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:33:05,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 22:33:05,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165322122] [2020-10-26 22:33:05,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:05,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:05,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:05,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:05,781 INFO L87 Difference]: Start difference. First operand 885 states and 1250 transitions. Second operand 7 states. [2020-10-26 22:33:07,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:07,357 INFO L93 Difference]: Finished difference Result 1796 states and 2581 transitions. [2020-10-26 22:33:07,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:33:07,360 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 168 [2020-10-26 22:33:07,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:07,369 INFO L225 Difference]: With dead ends: 1796 [2020-10-26 22:33:07,371 INFO L226 Difference]: Without dead ends: 917 [2020-10-26 22:33:07,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:33:07,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2020-10-26 22:33:07,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 895. [2020-10-26 22:33:07,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2020-10-26 22:33:07,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1118 transitions. [2020-10-26 22:33:07,435 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1118 transitions. Word has length 168 [2020-10-26 22:33:07,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:07,437 INFO L481 AbstractCegarLoop]: Abstraction has 895 states and 1118 transitions. [2020-10-26 22:33:07,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:07,437 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1118 transitions. [2020-10-26 22:33:07,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-26 22:33:07,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:07,442 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:07,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 22:33:07,443 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:07,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:07,443 INFO L82 PathProgramCache]: Analyzing trace with hash 2100197988, now seen corresponding path program 1 times [2020-10-26 22:33:07,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:07,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1553959572] [2020-10-26 22:33:07,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:07,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:07,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:08,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:09,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:09,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-26 22:33:09,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:33:09,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1693 [2020-10-26 22:33:09,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:09,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:33:09,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:33:09,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-26 22:33:09,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:09,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:09,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:09,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:09,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:09,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:09,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-26 22:33:09,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:09,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:09,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:33:09,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:09,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:09,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:09,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:09,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-26 22:33:09,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:09,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-10-26 22:33:09,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:09,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:09,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:09,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-26 22:33:09,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:33:09,796 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:33:09,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1553959572] [2020-10-26 22:33:09,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:33:09,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 22:33:09,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699896848] [2020-10-26 22:33:09,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:09,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:09,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:09,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:09,799 INFO L87 Difference]: Start difference. First operand 895 states and 1118 transitions. Second operand 7 states. [2020-10-26 22:33:11,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:11,365 INFO L93 Difference]: Finished difference Result 2242 states and 2762 transitions. [2020-10-26 22:33:11,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:33:11,373 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 173 [2020-10-26 22:33:11,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:11,383 INFO L225 Difference]: With dead ends: 2242 [2020-10-26 22:33:11,383 INFO L226 Difference]: Without dead ends: 1353 [2020-10-26 22:33:11,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:33:11,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2020-10-26 22:33:11,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1183. [2020-10-26 22:33:11,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-10-26 22:33:11,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1381 transitions. [2020-10-26 22:33:11,441 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1381 transitions. Word has length 173 [2020-10-26 22:33:11,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:11,442 INFO L481 AbstractCegarLoop]: Abstraction has 1183 states and 1381 transitions. [2020-10-26 22:33:11,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:11,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1381 transitions. [2020-10-26 22:33:11,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-10-26 22:33:11,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:11,447 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-26 22:33:11,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 22:33:11,448 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:11,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:11,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1064725536, now seen corresponding path program 1 times [2020-10-26 22:33:11,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:11,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1243080537] [2020-10-26 22:33:11,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:11,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:11,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:12,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:12,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-26 22:33:12,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:33:12,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 778 [2020-10-26 22:33:12,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:12,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:12,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 194 [2020-10-26 22:33:12,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-26 22:33:12,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:12,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:12,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:12,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:12,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:12,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:12,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-26 22:33:12,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:12,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:12,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:12,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:12,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:12,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:12,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:12,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:12,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:33:12,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:12,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-26 22:33:12,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:12,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:12,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:12,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:12,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:12,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-26 22:33:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:12,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:12,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:12,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-26 22:33:12,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:12,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-26 22:33:12,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-26 22:33:12,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:33:12,794 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-26 22:33:12,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1243080537] [2020-10-26 22:33:12,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:12,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:33:12,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266337834] [2020-10-26 22:33:12,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:33:12,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:12,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:33:12,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:33:12,797 INFO L87 Difference]: Start difference. First operand 1183 states and 1381 transitions. Second operand 5 states. [2020-10-26 22:33:13,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:13,935 INFO L93 Difference]: Finished difference Result 2240 states and 2636 transitions. [2020-10-26 22:33:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:33:13,935 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 238 [2020-10-26 22:33:13,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:13,943 INFO L225 Difference]: With dead ends: 2240 [2020-10-26 22:33:13,943 INFO L226 Difference]: Without dead ends: 1187 [2020-10-26 22:33:13,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:33:13,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2020-10-26 22:33:13,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1183. [2020-10-26 22:33:13,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-10-26 22:33:13,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1379 transitions. [2020-10-26 22:33:13,997 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1379 transitions. Word has length 238 [2020-10-26 22:33:13,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:13,997 INFO L481 AbstractCegarLoop]: Abstraction has 1183 states and 1379 transitions. [2020-10-26 22:33:13,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:33:13,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1379 transitions. [2020-10-26 22:33:14,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-26 22:33:14,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:14,005 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-26 22:33:14,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 22:33:14,005 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:14,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:14,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1963876384, now seen corresponding path program 1 times [2020-10-26 22:33:14,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:14,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1716743864] [2020-10-26 22:33:14,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:14,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:14,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:15,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:16,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:16,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-26 22:33:16,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:33:16,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1968 [2020-10-26 22:33:16,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:16,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:16,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-26 22:33:16,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-26 22:33:16,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:16,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:16,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:16,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:16,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:16,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:16,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:33:16,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:16,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:16,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:16,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:16,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:33:16,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:16,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:16,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:16,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:33:16,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:16,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-26 22:33:16,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:16,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:16,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:16,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-26 22:33:16,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:16,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-26 22:33:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:16,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:16,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:16,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-26 22:33:16,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:16,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-26 22:33:16,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:16,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:16,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:16,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-26 22:33:16,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:16,682 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:33:16,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1716743864] [2020-10-26 22:33:16,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:16,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:16,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124975877] [2020-10-26 22:33:16,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:16,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:16,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:16,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:16,687 INFO L87 Difference]: Start difference. First operand 1183 states and 1379 transitions. Second operand 7 states. [2020-10-26 22:33:18,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:18,710 INFO L93 Difference]: Finished difference Result 2404 states and 2902 transitions. [2020-10-26 22:33:18,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:33:18,711 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 243 [2020-10-26 22:33:18,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:18,721 INFO L225 Difference]: With dead ends: 2404 [2020-10-26 22:33:18,721 INFO L226 Difference]: Without dead ends: 1370 [2020-10-26 22:33:18,725 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:33:18,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2020-10-26 22:33:18,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1336. [2020-10-26 22:33:18,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1336 states. [2020-10-26 22:33:18,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1548 transitions. [2020-10-26 22:33:18,782 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1548 transitions. Word has length 243 [2020-10-26 22:33:18,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:18,782 INFO L481 AbstractCegarLoop]: Abstraction has 1336 states and 1548 transitions. [2020-10-26 22:33:18,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:18,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1548 transitions. [2020-10-26 22:33:18,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-10-26 22:33:18,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:18,788 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 22:33:18,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 22:33:18,788 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:18,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:18,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1073738272, now seen corresponding path program 1 times [2020-10-26 22:33:18,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:18,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [200427474] [2020-10-26 22:33:18,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:18,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:18,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:19,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:19,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:20,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:20,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-26 22:33:20,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:33:20,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1923 [2020-10-26 22:33:20,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-26 22:33:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-26 22:33:20,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:20,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:20,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:20,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:20,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:20,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:20,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-26 22:33:20,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:20,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:20,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:20,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:20,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:20,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:20,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:20,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:20,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-26 22:33:20,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:20,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-26 22:33:20,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:20,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:20,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:20,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:33:20,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:21,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-26 22:33:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:21,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:21,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:21,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-26 22:33:21,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:21,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-26 22:33:21,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:21,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:21,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-26 22:33:21,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:21,368 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:33:21,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [200427474] [2020-10-26 22:33:21,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:21,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:21,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521845933] [2020-10-26 22:33:21,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:21,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:21,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:21,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:21,371 INFO L87 Difference]: Start difference. First operand 1336 states and 1548 transitions. Second operand 7 states. [2020-10-26 22:33:23,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:23,176 INFO L93 Difference]: Finished difference Result 2839 states and 3350 transitions. [2020-10-26 22:33:23,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 22:33:23,177 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 252 [2020-10-26 22:33:23,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:23,185 INFO L225 Difference]: With dead ends: 2839 [2020-10-26 22:33:23,185 INFO L226 Difference]: Without dead ends: 1356 [2020-10-26 22:33:23,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:33:23,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2020-10-26 22:33:23,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1336. [2020-10-26 22:33:23,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1336 states. [2020-10-26 22:33:23,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1517 transitions. [2020-10-26 22:33:23,240 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1517 transitions. Word has length 252 [2020-10-26 22:33:23,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:23,240 INFO L481 AbstractCegarLoop]: Abstraction has 1336 states and 1517 transitions. [2020-10-26 22:33:23,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:23,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1517 transitions. [2020-10-26 22:33:23,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-10-26 22:33:23,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:23,247 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:23,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 22:33:23,248 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:23,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:23,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1502310104, now seen corresponding path program 1 times [2020-10-26 22:33:23,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:23,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [182868879] [2020-10-26 22:33:23,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:23,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:23,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:24,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:25,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:25,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-26 22:33:25,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:33:25,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2148 [2020-10-26 22:33:25,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:25,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:25,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-26 22:33:25,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-26 22:33:25,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:25,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:25,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:25,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:25,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:25,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:25,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:33:25,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:25,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:25,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:25,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:25,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:25,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:25,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:25,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:25,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:33:25,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:25,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-26 22:33:25,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:25,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:25,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:25,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-26 22:33:25,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:25,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:33:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:25,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:26,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:26,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-26 22:33:26,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:26,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-26 22:33:26,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:26,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:26,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:26,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-26 22:33:26,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:26,287 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:33:26,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [182868879] [2020-10-26 22:33:26,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:26,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:26,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012367579] [2020-10-26 22:33:26,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:26,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:26,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:26,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:26,298 INFO L87 Difference]: Start difference. First operand 1336 states and 1517 transitions. Second operand 7 states. [2020-10-26 22:33:28,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:28,335 INFO L93 Difference]: Finished difference Result 2831 states and 3319 transitions. [2020-10-26 22:33:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:33:28,336 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 288 [2020-10-26 22:33:28,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:28,347 INFO L225 Difference]: With dead ends: 2831 [2020-10-26 22:33:28,347 INFO L226 Difference]: Without dead ends: 1644 [2020-10-26 22:33:28,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:33:28,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2020-10-26 22:33:28,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1636. [2020-10-26 22:33:28,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1636 states. [2020-10-26 22:33:28,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 1841 transitions. [2020-10-26 22:33:28,417 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 1841 transitions. Word has length 288 [2020-10-26 22:33:28,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:28,418 INFO L481 AbstractCegarLoop]: Abstraction has 1636 states and 1841 transitions. [2020-10-26 22:33:28,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:28,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 1841 transitions. [2020-10-26 22:33:28,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-10-26 22:33:28,426 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:28,426 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 22:33:28,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 22:33:28,427 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:28,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:28,428 INFO L82 PathProgramCache]: Analyzing trace with hash 534233184, now seen corresponding path program 1 times [2020-10-26 22:33:28,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:28,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1291480158] [2020-10-26 22:33:28,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:28,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:28,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:29,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:29,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 321 [2020-10-26 22:33:29,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:33:29,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 869 [2020-10-26 22:33:29,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:29,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:29,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 263 [2020-10-26 22:33:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-26 22:33:29,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:29,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:29,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:29,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:29,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:29,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:29,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:33:29,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:29,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:29,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:29,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:29,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:33:29,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:29,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:29,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:29,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-26 22:33:29,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:29,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-26 22:33:29,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:29,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:29,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:29,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:29,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:29,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-26 22:33:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:29,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:29,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:29,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-26 22:33:29,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:29,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-26 22:33:29,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:29,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:29,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:29,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-26 22:33:29,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-10-26 22:33:30,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1291480158] [2020-10-26 22:33:30,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:30,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:33:30,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596671919] [2020-10-26 22:33:30,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:33:30,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:30,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:33:30,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:33:30,012 INFO L87 Difference]: Start difference. First operand 1636 states and 1841 transitions. Second operand 5 states. [2020-10-26 22:33:31,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:31,123 INFO L93 Difference]: Finished difference Result 1663 states and 1869 transitions. [2020-10-26 22:33:31,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:33:31,123 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 307 [2020-10-26 22:33:31,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:31,131 INFO L225 Difference]: With dead ends: 1663 [2020-10-26 22:33:31,131 INFO L226 Difference]: Without dead ends: 1493 [2020-10-26 22:33:31,133 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:33:31,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1493 states. [2020-10-26 22:33:31,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1493 to 1489. [2020-10-26 22:33:31,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1489 states. [2020-10-26 22:33:31,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1489 states and 1687 transitions. [2020-10-26 22:33:31,180 INFO L78 Accepts]: Start accepts. Automaton has 1489 states and 1687 transitions. Word has length 307 [2020-10-26 22:33:31,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:31,181 INFO L481 AbstractCegarLoop]: Abstraction has 1489 states and 1687 transitions. [2020-10-26 22:33:31,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:33:31,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1687 transitions. [2020-10-26 22:33:31,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2020-10-26 22:33:31,191 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:31,191 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:31,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 22:33:31,192 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:31,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:31,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1263416060, now seen corresponding path program 1 times [2020-10-26 22:33:31,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:31,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470762887] [2020-10-26 22:33:31,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:31,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:31,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:32,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:34,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:34,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 398 [2020-10-26 22:33:34,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:33:34,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3089 [2020-10-26 22:33:34,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:34,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:34,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-26 22:33:34,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-26 22:33:34,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:34,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:34,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:34,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:34,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:34,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:34,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 22:33:34,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:34,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:34,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:34,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:34,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:34,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:34,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:34,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:34,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:33:34,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:34,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-26 22:33:34,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:34,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:34,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:34,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:34,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:33:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:34,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:34,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:34,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-26 22:33:34,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:34,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-26 22:33:34,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:34,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:34,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:34,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-26 22:33:34,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:34,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-26 22:33:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:34,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:34,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:34,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:33:34,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:34,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-26 22:33:34,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:34,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-26 22:33:34,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:35,153 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 343 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-26 22:33:35,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470762887] [2020-10-26 22:33:35,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:35,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:35,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515161896] [2020-10-26 22:33:35,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:35,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:35,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:35,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:35,158 INFO L87 Difference]: Start difference. First operand 1489 states and 1687 transitions. Second operand 7 states. [2020-10-26 22:33:37,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:37,051 INFO L93 Difference]: Finished difference Result 3423 states and 3974 transitions. [2020-10-26 22:33:37,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:33:37,052 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 382 [2020-10-26 22:33:37,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:37,063 INFO L225 Difference]: With dead ends: 3423 [2020-10-26 22:33:37,064 INFO L226 Difference]: Without dead ends: 2083 [2020-10-26 22:33:37,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:33:37,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2083 states. [2020-10-26 22:33:37,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2083 to 1932. [2020-10-26 22:33:37,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1932 states. [2020-10-26 22:33:37,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1932 states and 2248 transitions. [2020-10-26 22:33:37,136 INFO L78 Accepts]: Start accepts. Automaton has 1932 states and 2248 transitions. Word has length 382 [2020-10-26 22:33:37,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:37,137 INFO L481 AbstractCegarLoop]: Abstraction has 1932 states and 2248 transitions. [2020-10-26 22:33:37,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:37,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2248 transitions. [2020-10-26 22:33:37,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2020-10-26 22:33:37,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:37,152 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:37,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-26 22:33:37,152 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:37,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:37,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1642267284, now seen corresponding path program 1 times [2020-10-26 22:33:37,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:37,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958860258] [2020-10-26 22:33:37,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:37,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:37,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:37,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:40,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:40,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 437 [2020-10-26 22:33:40,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:33:40,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3403 [2020-10-26 22:33:40,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:40,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:40,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-10-26 22:33:40,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-26 22:33:40,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:40,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:40,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:40,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:40,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:40,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:40,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-26 22:33:40,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:40,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:40,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:40,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:40,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:40,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:40,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:40,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:40,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-26 22:33:40,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:40,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-26 22:33:40,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:40,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:40,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:40,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:40,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:40,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-26 22:33:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:40,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:41,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:41,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-26 22:33:41,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:41,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-26 22:33:41,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:41,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:41,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:41,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-26 22:33:41,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:41,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-26 22:33:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:41,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:41,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:41,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:33:41,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:41,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-10-26 22:33:41,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:41,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:41,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:41,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-26 22:33:41,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:41,546 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 371 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-26 22:33:41,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [958860258] [2020-10-26 22:33:41,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:41,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:41,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700009363] [2020-10-26 22:33:41,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:41,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:41,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:41,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:41,548 INFO L87 Difference]: Start difference. First operand 1932 states and 2248 transitions. Second operand 7 states. [2020-10-26 22:33:43,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:43,600 INFO L93 Difference]: Finished difference Result 4021 states and 4803 transitions. [2020-10-26 22:33:43,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 22:33:43,601 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 421 [2020-10-26 22:33:43,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:43,613 INFO L225 Difference]: With dead ends: 4021 [2020-10-26 22:33:43,614 INFO L226 Difference]: Without dead ends: 2238 [2020-10-26 22:33:43,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:33:43,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2238 states. [2020-10-26 22:33:43,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2238 to 2230. [2020-10-26 22:33:43,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2230 states. [2020-10-26 22:33:43,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 2230 states and 2615 transitions. [2020-10-26 22:33:43,690 INFO L78 Accepts]: Start accepts. Automaton has 2230 states and 2615 transitions. Word has length 421 [2020-10-26 22:33:43,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:43,691 INFO L481 AbstractCegarLoop]: Abstraction has 2230 states and 2615 transitions. [2020-10-26 22:33:43,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:43,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 2615 transitions. [2020-10-26 22:33:43,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2020-10-26 22:33:43,699 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:43,700 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:43,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-26 22:33:43,700 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:43,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:43,701 INFO L82 PathProgramCache]: Analyzing trace with hash -2097609404, now seen corresponding path program 1 times [2020-10-26 22:33:43,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:43,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1332426909] [2020-10-26 22:33:43,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:43,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:44,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:44,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:44,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 470 [2020-10-26 22:33:44,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:33:44,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1029 [2020-10-26 22:33:44,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:44,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:44,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 412 [2020-10-26 22:33:44,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-26 22:33:44,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:44,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:44,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:44,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:44,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:44,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:44,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:33:44,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:44,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:44,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:44,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:44,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:45,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:45,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:45,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:45,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-26 22:33:45,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:45,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-26 22:33:45,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:45,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:45,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:45,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:45,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:45,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-26 22:33:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:45,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:45,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:45,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-26 22:33:45,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:45,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-26 22:33:45,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:45,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:45,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:45,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:45,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:45,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-10-26 22:33:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:45,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:45,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:45,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:33:45,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:45,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-26 22:33:45,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:45,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:45,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:45,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-26 22:33:45,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:45,494 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 147 proven. 3 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2020-10-26 22:33:45,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1332426909] [2020-10-26 22:33:45,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:45,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:33:45,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566292108] [2020-10-26 22:33:45,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:33:45,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:45,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:33:45,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:33:45,496 INFO L87 Difference]: Start difference. First operand 2230 states and 2615 transitions. Second operand 5 states. [2020-10-26 22:33:46,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:46,899 INFO L93 Difference]: Finished difference Result 4455 states and 5281 transitions. [2020-10-26 22:33:46,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:33:46,903 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 454 [2020-10-26 22:33:46,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:46,904 INFO L225 Difference]: With dead ends: 4455 [2020-10-26 22:33:46,904 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 22:33:46,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:33:46,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 22:33:46,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 22:33:46,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 22:33:46,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 22:33:46,914 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 454 [2020-10-26 22:33:46,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:46,914 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 22:33:46,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:33:46,915 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 22:33:46,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 22:33:46,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-26 22:33:46,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 22:33:47,288 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 154 [2020-10-26 22:33:47,871 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 154 [2020-10-26 22:33:48,648 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 54 [2020-10-26 22:33:49,478 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 61 [2020-10-26 22:33:49,783 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 46 [2020-10-26 22:33:50,508 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 54 [2020-10-26 22:33:50,513 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-26 22:33:50,513 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-26 22:33:50,513 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-26 22:33:50,514 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-26 22:33:50,514 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-26 22:33:50,514 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)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#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)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-26 22:33:50,514 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-26 22:33:50,515 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-26 22:33:50,515 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-26 22:33:50,515 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-26 22:33:50,515 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-26 22:33:50,515 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-26 22:33:50,516 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-26 22:33:50,516 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-26 22:33:50,516 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-26 22:33:50,516 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-26 22:33:50,516 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-26 22:33:50,516 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-26 22:33:50,517 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-26 22:33:50,517 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-26 22:33:50,517 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,517 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,517 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,517 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,517 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,517 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,517 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-26 22:33:50,518 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-26 22:33:50,518 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-26 22:33:50,518 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-26 22:33:50,518 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-26 22:33:50,518 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-26 22:33:50,518 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-26 22:33:50,518 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-26 22:33:50,518 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-26 22:33:50,518 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-26 22:33:50,519 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-26 22:33:50,519 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,519 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,519 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,519 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,519 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,519 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-26 22:33:50,519 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-26 22:33:50,519 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-26 22:33:50,519 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-26 22:33:50,520 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-26 22:33:50,520 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-26 22:33:50,520 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-26 22:33:50,520 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-26 22:33:50,520 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-26 22:33:50,520 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-26 22:33:50,520 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-26 22:33:50,520 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-26 22:33:50,520 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-26 22:33:50,520 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-26 22:33:50,521 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,521 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,521 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,521 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,521 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,521 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-26 22:33:50,521 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-26 22:33:50,521 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-26 22:33:50,521 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-26 22:33:50,522 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-26 22:33:50,522 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-26 22:33:50,522 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-26 22:33:50,522 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-26 22:33:50,522 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-26 22:33:50,522 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-26 22:33:50,522 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,522 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,522 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,522 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,523 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,523 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-26 22:33:50,523 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-26 22:33:50,523 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-26 22:33:50,523 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-26 22:33:50,523 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-26 22:33:50,523 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-26 22:33:50,523 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-26 22:33:50,523 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-26 22:33:50,523 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-26 22:33:50,524 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-26 22:33:50,524 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-26 22:33:50,524 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-26 22:33:50,524 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-26 22:33:50,524 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,524 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,524 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,524 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,524 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,524 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-26 22:33:50,525 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-26 22:33:50,525 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-26 22:33:50,525 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-26 22:33:50,525 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-26 22:33:50,525 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,525 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,525 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-26 22:33:50,525 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-26 22:33:50,525 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-26 22:33:50,526 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-26 22:33:50,526 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,526 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,526 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,526 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,526 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,526 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-26 22:33:50,526 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-26 22:33:50,526 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-26 22:33:50,526 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-26 22:33:50,527 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-26 22:33:50,527 INFO L270 CegarLoopResult]: At program point L153(line 153) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~a10~0)|))) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (<= 0 |old(~a10~0)|))) (.cse3 (not (= ~a12~0 0)))) (and (or (not (<= |old(~a1~0)| 23)) .cse0 (not (<= |old(~a19~0)| 6))) (or (not (<= 9 |old(~a19~0)|)) .cse0) (or .cse1 (not (= 8 |old(~a19~0)|)) .cse2 (not (<= |old(~a1~0)| 78)) (not (<= 41 |old(~a1~0)|)) .cse3) (or (not (<= 219 |old(~a1~0)|)) (not (<= 8 |old(~a19~0)|)) .cse1 .cse2 .cse3) (not (<= 1 |old(~a10~0)|)))) [2020-10-26 22:33:50,527 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-26 22:33:50,527 INFO L274 CegarLoopResult]: For program point L153-1(line 153) no Hoare annotation was computed. [2020-10-26 22:33:50,527 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-26 22:33:50,527 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-26 22:33:50,527 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-26 22:33:50,528 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-26 22:33:50,528 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-26 22:33:50,528 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-26 22:33:50,528 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,528 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,528 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,528 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,528 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-26 22:33:50,528 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,528 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,529 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-26 22:33:50,529 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-26 22:33:50,529 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-26 22:33:50,529 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-26 22:33:50,529 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-26 22:33:50,529 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-26 22:33:50,529 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-26 22:33:50,529 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-26 22:33:50,529 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-26 22:33:50,530 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-26 22:33:50,530 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-26 22:33:50,530 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-26 22:33:50,530 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-26 22:33:50,530 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,530 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,530 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,530 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,530 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,530 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,531 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-26 22:33:50,531 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse4 (= ~a1~0 |old(~a1~0)|)) (.cse5 (= ~a10~0 |old(~a10~0)|))) (let ((.cse1 (not (= 0 |old(~a10~0)|))) (.cse0 (and .cse4 (= ~a19~0 |old(~a19~0)|) .cse5)) (.cse2 (not (= 14 ~a4~0))) (.cse3 (not (<= 0 |old(~a10~0)|))) (.cse6 (not (= ~a12~0 0)))) (and (or .cse0 (not (<= |old(~a1~0)| 23)) .cse1 (not (<= |old(~a19~0)| 6))) (or .cse2 (not (= 8 |old(~a19~0)|)) .cse3 (not (<= |old(~a1~0)| 78)) (not (<= 41 |old(~a1~0)|)) (and (= ~a19~0 8) .cse4 .cse5) .cse6) (or (not (<= 9 |old(~a19~0)|)) .cse0 .cse1) (or .cse0 (not (<= 1 |old(~a10~0)|))) (or (not (<= |old(~a19~0)| 8)) (not (<= 219 |old(~a1~0)|)) (not (<= 8 |old(~a19~0)|)) .cse2 (and (<= 8 ~a19~0) (<= ~a19~0 8) .cse4 .cse5) .cse3 .cse6)))) [2020-10-26 22:33:50,531 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-26 22:33:50,531 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-26 22:33:50,531 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-26 22:33:50,531 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-26 22:33:50,531 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-26 22:33:50,532 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-26 22:33:50,532 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-26 22:33:50,532 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-26 22:33:50,532 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-26 22:33:50,532 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-26 22:33:50,532 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-26 22:33:50,532 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-26 22:33:50,532 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-26 22:33:50,532 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,532 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,533 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,533 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,533 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,533 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,533 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-26 22:33:50,533 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-26 22:33:50,533 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-26 22:33:50,533 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-26 22:33:50,533 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-26 22:33:50,533 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-26 22:33:50,534 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-26 22:33:50,534 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-26 22:33:50,534 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-26 22:33:50,534 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-26 22:33:50,534 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-26 22:33:50,534 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-26 22:33:50,534 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-26 22:33:50,534 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,534 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,535 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,535 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,535 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,535 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,535 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-26 22:33:50,535 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-26 22:33:50,535 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-26 22:33:50,535 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-26 22:33:50,535 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-26 22:33:50,535 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-26 22:33:50,536 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-26 22:33:50,536 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-26 22:33:50,536 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-26 22:33:50,536 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-26 22:33:50,536 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-26 22:33:50,536 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-26 22:33:50,536 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,536 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,536 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,536 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,537 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,537 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:50,537 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 22:33:50,537 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 9 ~a19~0) (= ~a10~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-10-26 22:33:50,537 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-26 22:33:50,537 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 22:33:50,537 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|))) [2020-10-26 22:33:50,537 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-26 22:33:50,538 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (<= 8 ~a19~0)) (.cse1 (= 14 ~a4~0)) (.cse3 (= ~a12~0 0)) (.cse4 (<= ~a19~0 8)) (.cse6 (<= 9 ~a19~0)) (.cse2 (= ~a10~0 0)) (.cse7 (<= 1 ~a10~0)) (.cse5 (<= 0 (+ |old(~a1~0)| 12)))) (or (and (<= 41 ~a1~0) .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~a1~0 78)) (and .cse2 .cse5 (<= ~a1~0 23) (<= ~a19~0 6)) (not (<= 9 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 219 ~a1~0)) (and .cse6 .cse2 .cse5) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and .cse6 .cse2 (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|)) (and (= ~a19~0 8) .cse7) (and .cse7 .cse5))) [2020-10-26 22:33:50,538 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-26 22:33:50,538 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-26 22:33:50,538 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (<= 8 ~a19~0)) (.cse1 (= 14 ~a4~0)) (.cse3 (= ~a12~0 0)) (.cse4 (<= ~a19~0 8)) (.cse6 (<= 9 ~a19~0)) (.cse2 (= ~a10~0 0)) (.cse7 (<= 1 ~a10~0)) (.cse5 (<= 0 (+ |old(~a1~0)| 12)))) (or (and (<= 41 ~a1~0) .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~a1~0 78)) (and .cse2 .cse5 (<= ~a1~0 23) (<= ~a19~0 6)) (not (<= 9 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 219 ~a1~0)) (and .cse6 .cse2 .cse5) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and .cse6 .cse2 (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|)) (and (= ~a19~0 8) .cse7) (and .cse7 .cse5))) [2020-10-26 22:33:50,538 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-26 22:33:50,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:33:50 BoogieIcfgContainer [2020-10-26 22:33:50,561 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 22:33:50,562 INFO L168 Benchmark]: Toolchain (without parser) took 59411.66 ms. Allocated memory was 152.0 MB in the beginning and 978.3 MB in the end (delta: 826.3 MB). Free memory was 126.1 MB in the beginning and 527.0 MB in the end (delta: -400.9 MB). Peak memory consumption was 583.8 MB. Max. memory is 8.0 GB. [2020-10-26 22:33:50,563 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 152.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 22:33:50,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.84 ms. Allocated memory is still 152.0 MB. Free memory was 125.4 MB in the beginning and 98.4 MB in the end (delta: 27.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-26 22:33:50,564 INFO L168 Benchmark]: Boogie Preprocessor took 213.48 ms. Allocated memory is still 152.0 MB. Free memory was 98.4 MB in the beginning and 131.5 MB in the end (delta: -33.1 MB). Peak memory consumption was 6.7 MB. Max. memory is 8.0 GB. [2020-10-26 22:33:50,565 INFO L168 Benchmark]: RCFGBuilder took 1428.97 ms. Allocated memory was 152.0 MB in the beginning and 207.6 MB in the end (delta: 55.6 MB). Free memory was 131.5 MB in the beginning and 167.2 MB in the end (delta: -35.7 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. [2020-10-26 22:33:50,566 INFO L168 Benchmark]: TraceAbstraction took 56979.69 ms. Allocated memory was 207.6 MB in the beginning and 978.3 MB in the end (delta: 770.7 MB). Free memory was 166.7 MB in the beginning and 527.0 MB in the end (delta: -360.3 MB). Peak memory consumption was 568.2 MB. Max. memory is 8.0 GB. [2020-10-26 22:33:50,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 152.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 773.84 ms. Allocated memory is still 152.0 MB. Free memory was 125.4 MB in the beginning and 98.4 MB in the end (delta: 27.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 213.48 ms. Allocated memory is still 152.0 MB. Free memory was 98.4 MB in the beginning and 131.5 MB in the end (delta: -33.1 MB). Peak memory consumption was 6.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1428.97 ms. Allocated memory was 152.0 MB in the beginning and 207.6 MB in the end (delta: 55.6 MB). Free memory was 131.5 MB in the beginning and 167.2 MB in the end (delta: -35.7 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 56979.69 ms. Allocated memory was 207.6 MB in the beginning and 978.3 MB in the end (delta: 770.7 MB). Free memory was 166.7 MB in the beginning and 527.0 MB in the end (delta: -360.3 MB). Peak memory consumption was 568.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((((((((((((((41 <= a1 && 8 <= a19) && 14 == a4) && a10 == 0) && a12 == 0) && a19 <= 8) && a1 <= 78) || (((a10 == 0 && 0 <= \old(a1) + 12) && a1 <= 23) && a19 <= 6)) || !(9 <= \old(a19))) || (((((8 <= a19 && 14 == a4) && a10 == 0) && a12 == 0) && a19 <= 8) && 219 <= a1)) || ((9 <= a19 && a10 == 0) && 0 <= \old(a1) + 12)) || !(\old(a1) <= 23)) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || (((9 <= a19 && a10 == 0) && a19 <= 9) && a1 == \old(a1))) || (a19 == 8 && 1 <= a10)) || (1 <= a10 && 0 <= \old(a1) + 12) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 53.2s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 22.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 355 SDtfs, 4759 SDslu, 409 SDs, 0 SdLazy, 11379 SolverSat, 1487 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 192 GetRequests, 95 SyntacticMatches, 3 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2230occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 453 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 227 PreInvPairs, 267 NumberOfFragments, 538 HoareAnnotationTreeSize, 227 FomulaSimplifications, 69029 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 6845 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 27.9s InterpolantComputationTime, 3246 NumberOfCodeBlocks, 3246 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3233 ConstructedInterpolants, 0 QuantifiedInterpolants, 2271649 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 2539/2557 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...