/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label57.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:37:03,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:37:03,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:37:03,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:37:03,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:37:03,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:37:03,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:37:03,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:37:03,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:37:03,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:37:03,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:37:03,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:37:03,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:37:03,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:37:03,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:37:03,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:37:03,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:37:03,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:37:03,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:37:03,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:37:03,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:37:03,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:37:03,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:37:03,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:37:03,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:37:03,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:37:03,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:37:03,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:37:03,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:37:03,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:37:03,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:37:03,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:37:03,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:37:03,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:37:03,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:37:03,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:37:03,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:37:03,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:37:03,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:37:03,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:37:03,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:37:03,809 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 17:37:03,856 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:37:03,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:37:03,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:37:03,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:37:03,862 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:37:03,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:37:03,863 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:37:03,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:37:03,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:37:03,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:37:03,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:37:03,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:37:03,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:37:03,865 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:37:03,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:37:03,865 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:37:03,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:37:03,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:37:03,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:37:03,866 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:37:03,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:37:03,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:37:03,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:37:03,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:37:03,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:37:03,867 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:37:03,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:37:03,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:37:03,868 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:37:03,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:37:04,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:37:04,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:37:04,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:37:04,328 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:37:04,329 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:37:04,330 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label57.c [2020-10-27 17:37:04,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/352c0e55e/fd561bce489d490c89d55a4ae3940ff4/FLAG68426166d [2020-10-27 17:37:05,271 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:37:05,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label57.c [2020-10-27 17:37:05,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/352c0e55e/fd561bce489d490c89d55a4ae3940ff4/FLAG68426166d [2020-10-27 17:37:05,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/352c0e55e/fd561bce489d490c89d55a4ae3940ff4 [2020-10-27 17:37:05,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:37:05,492 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:37:05,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:37:05,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:37:05,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:37:05,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:37:05" (1/1) ... [2020-10-27 17:37:05,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aab51f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:37:05, skipping insertion in model container [2020-10-27 17:37:05,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:37:05" (1/1) ... [2020-10-27 17:37:05,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:37:05,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:37:06,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:37:06,126 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:37:06,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:37:06,390 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:37:06,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:37:06 WrapperNode [2020-10-27 17:37:06,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:37:06,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:37:06,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:37:06,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:37:06,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:37:06" (1/1) ... [2020-10-27 17:37:06,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:37:06" (1/1) ... [2020-10-27 17:37:06,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:37:06" (1/1) ... [2020-10-27 17:37:06,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:37:06" (1/1) ... [2020-10-27 17:37:06,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:37:06" (1/1) ... [2020-10-27 17:37:06,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:37:06" (1/1) ... [2020-10-27 17:37:06,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:37:06" (1/1) ... [2020-10-27 17:37:06,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:37:06,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:37:06,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:37:06,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:37:06,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:37:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:37:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:37:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:37:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:37:06,671 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:37:06,671 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:37:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:37:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:37:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:37:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:37:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:37:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:37:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:37:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:37:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:37:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:37:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:37:06,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:37:06,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:37:06,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:37:09,095 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:37:09,095 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:37:09,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:37:09 BoogieIcfgContainer [2020-10-27 17:37:09,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:37:09,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:37:09,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:37:09,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:37:09,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:37:05" (1/3) ... [2020-10-27 17:37:09,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd47c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:37:09, skipping insertion in model container [2020-10-27 17:37:09,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:37:06" (2/3) ... [2020-10-27 17:37:09,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd47c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:37:09, skipping insertion in model container [2020-10-27 17:37:09,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:37:09" (3/3) ... [2020-10-27 17:37:09,106 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label57.c [2020-10-27 17:37:09,118 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:37:09,123 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:37:09,136 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:37:09,165 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:37:09,165 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:37:09,165 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:37:09,166 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:37:09,166 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:37:09,166 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:37:09,166 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:37:09,166 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:37:09,191 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-27 17:37:09,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-27 17:37:09,200 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:37:09,201 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] [2020-10-27 17:37:09,201 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:37:09,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:37:09,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1488738090, now seen corresponding path program 1 times [2020-10-27 17:37:09,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:37:09,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [943554705] [2020-10-27 17:37:09,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:37:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:09,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:10,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:10,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 17:37:10,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:10,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 714 [2020-10-27 17:37:10,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:10,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:37:10,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:37:10,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 17:37:10,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:37:10,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:37:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:10,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:10,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:10,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:37:10,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:10,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 17:37:10,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:10,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:37:10,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:10,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:37:10,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:37:10,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:37:10,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [943554705] [2020-10-27 17:37:10,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:37:10,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 17:37:10,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092329769] [2020-10-27 17:37:10,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:37:10,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:37:10,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:37:10,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:37:10,520 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 5 states. [2020-10-27 17:37:15,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:37:15,320 INFO L93 Difference]: Finished difference Result 997 states and 1783 transitions. [2020-10-27 17:37:15,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 17:37:15,329 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-27 17:37:15,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:37:15,360 INFO L225 Difference]: With dead ends: 997 [2020-10-27 17:37:15,361 INFO L226 Difference]: Without dead ends: 631 [2020-10-27 17:37:15,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:37:15,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2020-10-27 17:37:15,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 625. [2020-10-27 17:37:15,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2020-10-27 17:37:15,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 865 transitions. [2020-10-27 17:37:15,502 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 865 transitions. Word has length 53 [2020-10-27 17:37:15,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:37:15,503 INFO L481 AbstractCegarLoop]: Abstraction has 625 states and 865 transitions. [2020-10-27 17:37:15,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:37:15,503 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 865 transitions. [2020-10-27 17:37:15,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-27 17:37:15,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:37:15,510 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:37:15,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:37:15,511 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:37:15,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:37:15,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1725347365, now seen corresponding path program 1 times [2020-10-27 17:37:15,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:37:15,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [951533852] [2020-10-27 17:37:15,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:37:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:15,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:15,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:17,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:17,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:17,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 17:37:17,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:37:17,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2097 [2020-10-27 17:37:17,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:17,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:37:17,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-27 17:37:17,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 17:37:17,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:37:17,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:37:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:17,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:17,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:17,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:37:17,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:17,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:37:17,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:17,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:37:17,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:17,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:37:17,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:37:17,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:37:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:17,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:18,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:18,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:37:18,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:18,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-27 17:37:18,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:18,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:37:18,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:18,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 17:37:18,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:18,117 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:37:18,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [951533852] [2020-10-27 17:37:18,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:37:18,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:37:18,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687922538] [2020-10-27 17:37:18,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:37:18,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:37:18,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:37:18,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:37:18,127 INFO L87 Difference]: Start difference. First operand 625 states and 865 transitions. Second operand 5 states. [2020-10-27 17:37:21,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:37:21,041 INFO L93 Difference]: Finished difference Result 1843 states and 2582 transitions. [2020-10-27 17:37:21,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:37:21,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-10-27 17:37:21,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:37:21,051 INFO L225 Difference]: With dead ends: 1843 [2020-10-27 17:37:21,051 INFO L226 Difference]: Without dead ends: 1224 [2020-10-27 17:37:21,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:37:21,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2020-10-27 17:37:21,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1207. [2020-10-27 17:37:21,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2020-10-27 17:37:21,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1570 transitions. [2020-10-27 17:37:21,114 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1570 transitions. Word has length 125 [2020-10-27 17:37:21,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:37:21,115 INFO L481 AbstractCegarLoop]: Abstraction has 1207 states and 1570 transitions. [2020-10-27 17:37:21,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:37:21,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1570 transitions. [2020-10-27 17:37:21,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 17:37:21,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:37:21,119 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:37:21,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:37:21,120 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:37:21,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:37:21,121 INFO L82 PathProgramCache]: Analyzing trace with hash 754944159, now seen corresponding path program 1 times [2020-10-27 17:37:21,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:37:21,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1630328873] [2020-10-27 17:37:21,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:37:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:21,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:21,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:21,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:23,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:23,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-27 17:37:23,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:37:23,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2199 [2020-10-27 17:37:23,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:23,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:37:23,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 17:37:23,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 17:37:23,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:23,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:37:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:23,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:23,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:23,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:37:23,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:23,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:37:23,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:23,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:37:23,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:23,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:37:23,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:23,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:37:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:23,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:23,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:23,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 17:37:23,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:23,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-27 17:37:23,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:37:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:23,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 17:37:23,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:23,829 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:37:23,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1630328873] [2020-10-27 17:37:23,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:37:23,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:37:23,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855872181] [2020-10-27 17:37:23,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:37:23,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:37:23,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:37:23,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:37:23,835 INFO L87 Difference]: Start difference. First operand 1207 states and 1570 transitions. Second operand 5 states. [2020-10-27 17:37:24,342 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-27 17:37:26,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:37:26,082 INFO L93 Difference]: Finished difference Result 2039 states and 2698 transitions. [2020-10-27 17:37:26,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:37:26,083 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2020-10-27 17:37:26,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:37:26,091 INFO L225 Difference]: With dead ends: 2039 [2020-10-27 17:37:26,091 INFO L226 Difference]: Without dead ends: 1217 [2020-10-27 17:37:26,095 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:37:26,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2020-10-27 17:37:26,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1207. [2020-10-27 17:37:26,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2020-10-27 17:37:26,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1564 transitions. [2020-10-27 17:37:26,141 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1564 transitions. Word has length 127 [2020-10-27 17:37:26,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:37:26,141 INFO L481 AbstractCegarLoop]: Abstraction has 1207 states and 1564 transitions. [2020-10-27 17:37:26,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:37:26,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1564 transitions. [2020-10-27 17:37:26,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-27 17:37:26,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:37:26,145 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:37:26,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:37:26,145 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:37:26,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:37:26,146 INFO L82 PathProgramCache]: Analyzing trace with hash -627505941, now seen corresponding path program 1 times [2020-10-27 17:37:26,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:37:26,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [991940058] [2020-10-27 17:37:26,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:37:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:26,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:26,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:27,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:27,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:27,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:27,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 17:37:27,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:37:27,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1773 [2020-10-27 17:37:27,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:27,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:37:27,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-27 17:37:27,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 17:37:27,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:28,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:37:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:28,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:28,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:28,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:37:28,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:28,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:37:28,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:28,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:37:28,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:28,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:37:28,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:28,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:37:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:28,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:28,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:28,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 17:37:28,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:28,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-27 17:37:28,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:28,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:37:28,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:28,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 17:37:28,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:28,350 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:37:28,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [991940058] [2020-10-27 17:37:28,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:37:28,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:37:28,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425323601] [2020-10-27 17:37:28,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:37:28,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:37:28,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:37:28,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:37:28,353 INFO L87 Difference]: Start difference. First operand 1207 states and 1564 transitions. Second operand 5 states. [2020-10-27 17:37:28,894 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 17:37:30,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:37:30,586 INFO L93 Difference]: Finished difference Result 2047 states and 2696 transitions. [2020-10-27 17:37:30,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:37:30,587 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-10-27 17:37:30,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:37:30,597 INFO L225 Difference]: With dead ends: 2047 [2020-10-27 17:37:30,597 INFO L226 Difference]: Without dead ends: 1217 [2020-10-27 17:37:30,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:37:30,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2020-10-27 17:37:30,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1207. [2020-10-27 17:37:30,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2020-10-27 17:37:30,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1556 transitions. [2020-10-27 17:37:30,648 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1556 transitions. Word has length 133 [2020-10-27 17:37:30,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:37:30,649 INFO L481 AbstractCegarLoop]: Abstraction has 1207 states and 1556 transitions. [2020-10-27 17:37:30,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:37:30,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1556 transitions. [2020-10-27 17:37:30,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-27 17:37:30,652 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:37:30,652 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:37:30,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:37:30,652 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:37:30,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:37:30,653 INFO L82 PathProgramCache]: Analyzing trace with hash 77046387, now seen corresponding path program 1 times [2020-10-27 17:37:30,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:37:30,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [451019681] [2020-10-27 17:37:30,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:37:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:30,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:30,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:31,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:32,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:32,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-27 17:37:32,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:37:32,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1327 [2020-10-27 17:37:32,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:32,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:37:32,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-27 17:37:32,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 17:37:32,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:37:32,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:37:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:32,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:32,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:32,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:37:32,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:32,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:37:32,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:32,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:37:32,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:32,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:37:32,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:32,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:37:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:32,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:32,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:32,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-27 17:37:32,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:32,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 17:37:32,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:32,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:37:32,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:32,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 17:37:32,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:32,348 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:37:32,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [451019681] [2020-10-27 17:37:32,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:37:32,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:37:32,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211911708] [2020-10-27 17:37:32,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:37:32,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:37:32,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:37:32,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:37:32,351 INFO L87 Difference]: Start difference. First operand 1207 states and 1556 transitions. Second operand 5 states. [2020-10-27 17:37:35,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:37:35,230 INFO L93 Difference]: Finished difference Result 3003 states and 3969 transitions. [2020-10-27 17:37:35,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:37:35,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2020-10-27 17:37:35,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:37:35,249 INFO L225 Difference]: With dead ends: 3003 [2020-10-27 17:37:35,249 INFO L226 Difference]: Without dead ends: 1802 [2020-10-27 17:37:35,254 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:37:35,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2020-10-27 17:37:35,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1779. [2020-10-27 17:37:35,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1779 states. [2020-10-27 17:37:35,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2256 transitions. [2020-10-27 17:37:35,328 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2256 transitions. Word has length 137 [2020-10-27 17:37:35,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:37:35,329 INFO L481 AbstractCegarLoop]: Abstraction has 1779 states and 2256 transitions. [2020-10-27 17:37:35,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:37:35,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2256 transitions. [2020-10-27 17:37:35,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-27 17:37:35,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:37:35,334 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:37:35,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:37:35,334 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:37:35,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:37:35,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1192451785, now seen corresponding path program 1 times [2020-10-27 17:37:35,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:37:35,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [554029954] [2020-10-27 17:37:35,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:37:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:35,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:35,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:36,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:36,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 17:37:36,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:37:36,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1182 [2020-10-27 17:37:36,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:36,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:37:36,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 17:37:36,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 17:37:36,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:36,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:37:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:36,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:36,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:36,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:37:36,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:36,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:37:36,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:36,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:37:36,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:36,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:37:36,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:36,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:37:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:36,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:36,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:36,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:37:36,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:36,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-27 17:37:36,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:36,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:37:36,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:36,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 17:37:36,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:36,890 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:37:36,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [554029954] [2020-10-27 17:37:36,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:37:36,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:37:36,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686597090] [2020-10-27 17:37:36,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:37:36,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:37:36,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:37:36,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:37:36,893 INFO L87 Difference]: Start difference. First operand 1779 states and 2256 transitions. Second operand 5 states. [2020-10-27 17:37:39,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:37:39,965 INFO L93 Difference]: Finished difference Result 3586 states and 4715 transitions. [2020-10-27 17:37:39,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:37:39,966 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2020-10-27 17:37:39,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:37:39,983 INFO L225 Difference]: With dead ends: 3586 [2020-10-27 17:37:39,983 INFO L226 Difference]: Without dead ends: 2391 [2020-10-27 17:37:39,987 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:37:39,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2391 states. [2020-10-27 17:37:40,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2391 to 2370. [2020-10-27 17:37:40,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2370 states. [2020-10-27 17:37:40,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2370 states and 3027 transitions. [2020-10-27 17:37:40,078 INFO L78 Accepts]: Start accepts. Automaton has 2370 states and 3027 transitions. Word has length 139 [2020-10-27 17:37:40,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:37:40,078 INFO L481 AbstractCegarLoop]: Abstraction has 2370 states and 3027 transitions. [2020-10-27 17:37:40,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:37:40,079 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 3027 transitions. [2020-10-27 17:37:40,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-27 17:37:40,081 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:37:40,081 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:37:40,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:37:40,082 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:37:40,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:37:40,082 INFO L82 PathProgramCache]: Analyzing trace with hash -722740153, now seen corresponding path program 1 times [2020-10-27 17:37:40,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:37:40,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1521413743] [2020-10-27 17:37:40,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:37:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:40,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:40,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:41,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:41,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-27 17:37:41,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:37:41,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1418 [2020-10-27 17:37:41,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:41,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:37:41,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 17:37:41,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 17:37:41,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:37:41,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:37:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:41,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:41,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:41,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:37:41,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:41,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:37:41,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:41,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:37:41,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:41,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:37:41,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:37:41,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:37:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:41,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:41,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:41,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:37:41,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:41,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-27 17:37:41,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:41,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:37:41,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:41,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 17:37:41,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:37:42,007 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:37:42,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1521413743] [2020-10-27 17:37:42,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:37:42,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:37:42,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748905197] [2020-10-27 17:37:42,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:37:42,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:37:42,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:37:42,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:37:42,012 INFO L87 Difference]: Start difference. First operand 2370 states and 3027 transitions. Second operand 5 states. [2020-10-27 17:37:45,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:37:45,142 INFO L93 Difference]: Finished difference Result 5544 states and 7279 transitions. [2020-10-27 17:37:45,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:37:45,147 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2020-10-27 17:37:45,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:37:45,163 INFO L225 Difference]: With dead ends: 5544 [2020-10-27 17:37:45,164 INFO L226 Difference]: Without dead ends: 3180 [2020-10-27 17:37:45,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:37:45,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3180 states. [2020-10-27 17:37:45,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3180 to 3138. [2020-10-27 17:37:45,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3138 states. [2020-10-27 17:37:45,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3138 states to 3138 states and 3998 transitions. [2020-10-27 17:37:45,266 INFO L78 Accepts]: Start accepts. Automaton has 3138 states and 3998 transitions. Word has length 147 [2020-10-27 17:37:45,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:37:45,266 INFO L481 AbstractCegarLoop]: Abstraction has 3138 states and 3998 transitions. [2020-10-27 17:37:45,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:37:45,267 INFO L276 IsEmpty]: Start isEmpty. Operand 3138 states and 3998 transitions. [2020-10-27 17:37:45,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-27 17:37:45,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:37:45,272 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, 2, 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] [2020-10-27 17:37:45,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 17:37:45,272 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:37:45,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:37:45,273 INFO L82 PathProgramCache]: Analyzing trace with hash -525931908, now seen corresponding path program 1 times [2020-10-27 17:37:45,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:37:45,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1295458796] [2020-10-27 17:37:45,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:37:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:45,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:45,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:46,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:48,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:48,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 17:37:48,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:37:48,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3456 [2020-10-27 17:37:48,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:48,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:37:48,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-27 17:37:48,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 17:37:48,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:48,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:37:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:48,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:48,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:48,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:37:48,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:48,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:37:48,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:48,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:37:48,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:48,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:37:48,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:48,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:37:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:48,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:48,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:48,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 17:37:48,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:48,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 17:37:48,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:48,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:37:48,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:48,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:37:48,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:49,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 17:37:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:49,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:49,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:49,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 17:37:49,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:49,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 17:37:49,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:49,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:37:49,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:49,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 17:37:49,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:49,248 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-27 17:37:49,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1295458796] [2020-10-27 17:37:49,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:37:49,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:37:49,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519869665] [2020-10-27 17:37:49,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:37:49,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:37:49,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:37:49,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:37:49,252 INFO L87 Difference]: Start difference. First operand 3138 states and 3998 transitions. Second operand 5 states. [2020-10-27 17:37:52,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:37:52,619 INFO L93 Difference]: Finished difference Result 7065 states and 9210 transitions. [2020-10-27 17:37:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:37:52,621 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 211 [2020-10-27 17:37:52,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:37:52,640 INFO L225 Difference]: With dead ends: 7065 [2020-10-27 17:37:52,640 INFO L226 Difference]: Without dead ends: 3933 [2020-10-27 17:37:52,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:37:52,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3933 states. [2020-10-27 17:37:52,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3933 to 3898. [2020-10-27 17:37:52,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3898 states. [2020-10-27 17:37:52,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3898 states to 3898 states and 4962 transitions. [2020-10-27 17:37:52,780 INFO L78 Accepts]: Start accepts. Automaton has 3898 states and 4962 transitions. Word has length 211 [2020-10-27 17:37:52,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:37:52,780 INFO L481 AbstractCegarLoop]: Abstraction has 3898 states and 4962 transitions. [2020-10-27 17:37:52,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:37:52,781 INFO L276 IsEmpty]: Start isEmpty. Operand 3898 states and 4962 transitions. [2020-10-27 17:37:52,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-27 17:37:52,786 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:37:52,787 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:37:52,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 17:37:52,787 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:37:52,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:37:52,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1241833389, now seen corresponding path program 1 times [2020-10-27 17:37:52,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:37:52,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [834110955] [2020-10-27 17:37:52,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:37:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:52,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:53,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:53,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 17:37:53,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:53,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 569 [2020-10-27 17:37:53,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:53,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:37:53,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:37:53,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-27 17:37:53,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:53,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:37:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:53,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:53,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:53,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:37:53,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:53,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 17:37:53,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:53,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:37:53,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:37:53,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:37:53,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:37:53,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:37:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:53,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:53,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:37:53,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-27 17:37:53,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:37:53,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-10-27 17:37:53,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:37:53,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:37:53,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:37:53,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-27 17:37:53,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:37:54,332 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:37:54,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [834110955] [2020-10-27 17:37:54,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:37:54,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 17:37:54,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494594526] [2020-10-27 17:37:54,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:37:54,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:37:54,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:37:54,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:37:54,336 INFO L87 Difference]: Start difference. First operand 3898 states and 4962 transitions. Second operand 7 states. [2020-10-27 17:37:54,484 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-27 17:37:58,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:37:58,208 INFO L93 Difference]: Finished difference Result 10405 states and 13561 transitions. [2020-10-27 17:37:58,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:37:58,209 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 219 [2020-10-27 17:37:58,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:37:58,238 INFO L225 Difference]: With dead ends: 10405 [2020-10-27 17:37:58,238 INFO L226 Difference]: Without dead ends: 6513 [2020-10-27 17:37:58,246 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:37:58,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6513 states. [2020-10-27 17:37:58,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6513 to 6461. [2020-10-27 17:37:58,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6461 states. [2020-10-27 17:37:58,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6461 states to 6461 states and 8037 transitions. [2020-10-27 17:37:58,423 INFO L78 Accepts]: Start accepts. Automaton has 6461 states and 8037 transitions. Word has length 219 [2020-10-27 17:37:58,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:37:58,423 INFO L481 AbstractCegarLoop]: Abstraction has 6461 states and 8037 transitions. [2020-10-27 17:37:58,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:37:58,423 INFO L276 IsEmpty]: Start isEmpty. Operand 6461 states and 8037 transitions. [2020-10-27 17:37:58,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-27 17:37:58,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:37:58,437 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:37:58,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 17:37:58,437 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:37:58,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:37:58,438 INFO L82 PathProgramCache]: Analyzing trace with hash -111791451, now seen corresponding path program 1 times [2020-10-27 17:37:58,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:37:58,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2023579650] [2020-10-27 17:37:58,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:37:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:37:58,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:58,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:58,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:37:59,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:00,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:02,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:03,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:03,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 352 [2020-10-27 17:38:03,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 17:38:03,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 17:38:03,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:03,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:38:03,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 297 [2020-10-27 17:38:03,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 17:38:03,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:03,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:38:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:03,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:03,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:03,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:38:03,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:03,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:38:03,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:03,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:38:03,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:38:03,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:38:03,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:03,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:38:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:03,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:03,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:03,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 17:38:03,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:03,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 17:38:03,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:03,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:38:03,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:38:03,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:38:03,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:03,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 17:38:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:03,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:03,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:03,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-27 17:38:03,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:03,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 17:38:03,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:03,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:38:03,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:38:03,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:38:03,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:03,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-27 17:38:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:03,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:03,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:03,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 17:38:03,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:03,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 17:38:03,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:03,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:38:03,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:38:03,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 17:38:03,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:04,193 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 138 proven. 3 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2020-10-27 17:38:04,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2023579650] [2020-10-27 17:38:04,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:38:04,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:38:04,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329496267] [2020-10-27 17:38:04,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:38:04,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:38:04,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:38:04,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:38:04,196 INFO L87 Difference]: Start difference. First operand 6461 states and 8037 transitions. Second operand 5 states. [2020-10-27 17:38:07,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:38:07,291 INFO L93 Difference]: Finished difference Result 14483 states and 18388 transitions. [2020-10-27 17:38:07,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:38:07,293 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 336 [2020-10-27 17:38:07,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:38:07,330 INFO L225 Difference]: With dead ends: 14483 [2020-10-27 17:38:07,330 INFO L226 Difference]: Without dead ends: 8406 [2020-10-27 17:38:07,347 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 [2020-10-27 17:38:07,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8406 states. [2020-10-27 17:38:07,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8406 to 8001. [2020-10-27 17:38:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8001 states. [2020-10-27 17:38:07,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8001 states to 8001 states and 10028 transitions. [2020-10-27 17:38:07,565 INFO L78 Accepts]: Start accepts. Automaton has 8001 states and 10028 transitions. Word has length 336 [2020-10-27 17:38:07,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:38:07,566 INFO L481 AbstractCegarLoop]: Abstraction has 8001 states and 10028 transitions. [2020-10-27 17:38:07,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:38:07,566 INFO L276 IsEmpty]: Start isEmpty. Operand 8001 states and 10028 transitions. [2020-10-27 17:38:07,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-10-27 17:38:07,581 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:38:07,582 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:38:07,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 17:38:07,583 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:38:07,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:38:07,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1710796482, now seen corresponding path program 1 times [2020-10-27 17:38:07,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:38:07,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1673754662] [2020-10-27 17:38:07,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:38:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:07,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:08,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:08,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 349 [2020-10-27 17:38:08,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:08,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 699 [2020-10-27 17:38:08,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:38:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-27 17:38:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 17:38:08,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:08,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:38:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:08,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:08,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:08,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:38:08,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:08,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:38:08,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:08,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:38:08,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:38:08,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:38:08,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:08,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:38:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:08,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:08,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:08,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 17:38:08,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:08,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-27 17:38:08,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:08,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:38:08,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:38:08,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 17:38:08,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:08,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 17:38:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:08,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:09,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:09,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-27 17:38:09,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:09,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-10-27 17:38:09,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:09,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:38:09,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:38:09,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-27 17:38:09,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:09,279 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 203 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:38:09,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1673754662] [2020-10-27 17:38:09,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:38:09,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:38:09,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577179882] [2020-10-27 17:38:09,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:38:09,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:38:09,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:38:09,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:38:09,282 INFO L87 Difference]: Start difference. First operand 8001 states and 10028 transitions. Second operand 7 states. [2020-10-27 17:38:12,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:38:12,790 INFO L93 Difference]: Finished difference Result 15803 states and 20350 transitions. [2020-10-27 17:38:12,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:38:12,796 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 335 [2020-10-27 17:38:12,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:38:12,824 INFO L225 Difference]: With dead ends: 15803 [2020-10-27 17:38:12,825 INFO L226 Difference]: Without dead ends: 8186 [2020-10-27 17:38:12,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:38:12,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8186 states. [2020-10-27 17:38:13,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8186 to 8081. [2020-10-27 17:38:13,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8081 states. [2020-10-27 17:38:13,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8081 states to 8081 states and 9812 transitions. [2020-10-27 17:38:13,048 INFO L78 Accepts]: Start accepts. Automaton has 8081 states and 9812 transitions. Word has length 335 [2020-10-27 17:38:13,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:38:13,049 INFO L481 AbstractCegarLoop]: Abstraction has 8081 states and 9812 transitions. [2020-10-27 17:38:13,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:38:13,049 INFO L276 IsEmpty]: Start isEmpty. Operand 8081 states and 9812 transitions. [2020-10-27 17:38:13,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-10-27 17:38:13,067 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:38:13,067 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:38:13,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 17:38:13,068 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:38:13,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:38:13,068 INFO L82 PathProgramCache]: Analyzing trace with hash 703219245, now seen corresponding path program 1 times [2020-10-27 17:38:13,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:38:13,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1702162488] [2020-10-27 17:38:13,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:38:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:13,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:13,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:13,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:15,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:16,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:16,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 356 [2020-10-27 17:38:16,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:38:16,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2886 [2020-10-27 17:38:16,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:16,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:38:16,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 301 [2020-10-27 17:38:16,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 17:38:16,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:16,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:38:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:16,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:16,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:16,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:38:16,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:16,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:38:16,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:16,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:38:16,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:38:16,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:38:16,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:16,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:38:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:16,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:16,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:16,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 17:38:16,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:16,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 17:38:16,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:16,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:38:16,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:38:16,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:38:16,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:16,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 17:38:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:16,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:16,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:16,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-27 17:38:16,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:16,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 17:38:16,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:16,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:38:16,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:38:16,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:38:16,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:16,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-27 17:38:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:16,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:16,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:16,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 17:38:16,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:16,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 17:38:16,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:16,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:38:16,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:38:16,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-27 17:38:16,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:16,471 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 138 proven. 3 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2020-10-27 17:38:16,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1702162488] [2020-10-27 17:38:16,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:38:16,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:38:16,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029995629] [2020-10-27 17:38:16,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:38:16,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:38:16,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:38:16,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:38:16,474 INFO L87 Difference]: Start difference. First operand 8081 states and 9812 transitions. Second operand 5 states. [2020-10-27 17:38:19,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:38:19,203 INFO L93 Difference]: Finished difference Result 16168 states and 20028 transitions. [2020-10-27 17:38:19,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:38:19,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 340 [2020-10-27 17:38:19,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:38:19,234 INFO L225 Difference]: With dead ends: 16168 [2020-10-27 17:38:19,234 INFO L226 Difference]: Without dead ends: 9448 [2020-10-27 17:38:19,252 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:38:19,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9448 states. [2020-10-27 17:38:19,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9448 to 9418. [2020-10-27 17:38:19,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9418 states. [2020-10-27 17:38:19,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9418 states to 9418 states and 11407 transitions. [2020-10-27 17:38:19,450 INFO L78 Accepts]: Start accepts. Automaton has 9418 states and 11407 transitions. Word has length 340 [2020-10-27 17:38:19,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:38:19,451 INFO L481 AbstractCegarLoop]: Abstraction has 9418 states and 11407 transitions. [2020-10-27 17:38:19,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:38:19,451 INFO L276 IsEmpty]: Start isEmpty. Operand 9418 states and 11407 transitions. [2020-10-27 17:38:19,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2020-10-27 17:38:19,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:38:19,467 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:38:19,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 17:38:19,467 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:38:19,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:38:19,471 INFO L82 PathProgramCache]: Analyzing trace with hash -865099084, now seen corresponding path program 1 times [2020-10-27 17:38:19,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:38:19,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1418589277] [2020-10-27 17:38:19,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:38:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:19,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:20,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:21,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:21,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 380 [2020-10-27 17:38:21,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:38:21,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1691 [2020-10-27 17:38:21,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:21,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 17:38:21,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-27 17:38:21,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-27 17:38:21,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:21,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:38:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:21,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:21,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:21,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:38:21,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:21,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 17:38:21,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:21,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:38:21,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:38:21,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:38:21,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:21,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:38:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:21,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:21,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:21,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 17:38:21,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:21,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-27 17:38:21,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:21,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:38:21,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:38:21,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-27 17:38:21,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:21,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 17:38:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:21,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:22,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:22,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-27 17:38:22,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:22,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331 [2020-10-27 17:38:22,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:22,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 17:38:22,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:38:22,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-27 17:38:22,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:22,434 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 220 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:38:22,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1418589277] [2020-10-27 17:38:22,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:38:22,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 17:38:22,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256465096] [2020-10-27 17:38:22,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 17:38:22,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:38:22,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 17:38:22,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:38:22,437 INFO L87 Difference]: Start difference. First operand 9418 states and 11407 transitions. Second operand 8 states. [2020-10-27 17:38:26,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:38:26,447 INFO L93 Difference]: Finished difference Result 21186 states and 26022 transitions. [2020-10-27 17:38:26,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:38:26,448 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 366 [2020-10-27 17:38:26,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:38:26,502 INFO L225 Difference]: With dead ends: 21186 [2020-10-27 17:38:26,502 INFO L226 Difference]: Without dead ends: 12133 [2020-10-27 17:38:26,533 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:38:26,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12133 states. [2020-10-27 17:38:26,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12133 to 11899. [2020-10-27 17:38:26,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11899 states. [2020-10-27 17:38:26,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11899 states to 11899 states and 14569 transitions. [2020-10-27 17:38:26,883 INFO L78 Accepts]: Start accepts. Automaton has 11899 states and 14569 transitions. Word has length 366 [2020-10-27 17:38:26,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:38:26,884 INFO L481 AbstractCegarLoop]: Abstraction has 11899 states and 14569 transitions. [2020-10-27 17:38:26,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 17:38:26,884 INFO L276 IsEmpty]: Start isEmpty. Operand 11899 states and 14569 transitions. [2020-10-27 17:38:26,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2020-10-27 17:38:26,915 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:38:26,915 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:38:26,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 17:38:26,916 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:38:26,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:38:26,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1436911731, now seen corresponding path program 1 times [2020-10-27 17:38:26,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:38:26,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1347559039] [2020-10-27 17:38:26,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:38:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:27,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:27,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:28,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:32,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:32,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 460 [2020-10-27 17:38:32,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:38:32,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5069 [2020-10-27 17:38:32,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:32,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 17:38:32,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 237 [2020-10-27 17:38:32,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-27 17:38:32,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:32,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:38:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:32,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:32,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:32,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:38:32,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:32,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:38:32,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:32,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:38:32,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:38:32,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:38:32,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:32,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:38:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:32,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:32,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:32,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 17:38:32,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:32,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 17:38:32,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:32,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:38:32,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:38:32,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:38:32,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:32,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 17:38:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:32,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:32,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:32,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-27 17:38:32,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:32,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 17:38:32,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:32,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:38:32,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:38:32,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 17:38:32,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:32,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-27 17:38:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:32,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:32,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:32,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-27 17:38:32,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:32,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-10-27 17:38:32,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:32,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 17:38:32,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:38:32,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-27 17:38:32,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:33,135 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 315 proven. 46 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-10-27 17:38:33,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1347559039] [2020-10-27 17:38:33,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:38:33,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 17:38:33,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688680140] [2020-10-27 17:38:33,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 17:38:33,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:38:33,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 17:38:33,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:38:33,138 INFO L87 Difference]: Start difference. First operand 11899 states and 14569 transitions. Second operand 8 states. [2020-10-27 17:38:38,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:38:38,567 INFO L93 Difference]: Finished difference Result 27272 states and 34135 transitions. [2020-10-27 17:38:38,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 17:38:38,569 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 444 [2020-10-27 17:38:38,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:38:38,623 INFO L225 Difference]: With dead ends: 27272 [2020-10-27 17:38:38,624 INFO L226 Difference]: Without dead ends: 16728 [2020-10-27 17:38:38,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-27 17:38:38,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16728 states. [2020-10-27 17:38:38,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16728 to 16107. [2020-10-27 17:38:38,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16107 states. [2020-10-27 17:38:38,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16107 states to 16107 states and 19692 transitions. [2020-10-27 17:38:38,975 INFO L78 Accepts]: Start accepts. Automaton has 16107 states and 19692 transitions. Word has length 444 [2020-10-27 17:38:38,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:38:38,977 INFO L481 AbstractCegarLoop]: Abstraction has 16107 states and 19692 transitions. [2020-10-27 17:38:38,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 17:38:38,977 INFO L276 IsEmpty]: Start isEmpty. Operand 16107 states and 19692 transitions. [2020-10-27 17:38:39,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2020-10-27 17:38:39,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:38:39,025 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:38:39,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 17:38:39,026 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:38:39,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:38:39,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1325349341, now seen corresponding path program 1 times [2020-10-27 17:38:39,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:38:39,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [854317675] [2020-10-27 17:38:39,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:38:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:39,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:39,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:39,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:39,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:40,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:44,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:44,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 645 [2020-10-27 17:38:44,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 17:38:44,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-27 17:38:44,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:44,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 17:38:44,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 422 [2020-10-27 17:38:44,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 17:38:44,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:44,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:38:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:44,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:44,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:44,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:38:44,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:44,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:38:44,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:38:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:38:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:38:44,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:44,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:38:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:44,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:44,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:44,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 17:38:44,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:44,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 17:38:44,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:44,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:38:44,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:38:44,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:38:44,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:44,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 17:38:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:44,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:44,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:44,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:38:44,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:44,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 17:38:44,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:44,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:38:44,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:38:44,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:38:44,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:44,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-27 17:38:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:44,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:44,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:44,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:44,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 17:38:44,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:38:44,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-27 17:38:44,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:38:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-27 17:38:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:38:44,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:44,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-10-27 17:38:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:44,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:44,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:44,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:38:44,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:38:44,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 17:38:44,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:44,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:38:44,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:38:44,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 17:38:44,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:44,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-10-27 17:38:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:38:44,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:44,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:38:45,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:38:45,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-27 17:38:45,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:38:45,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 635 [2020-10-27 17:38:45,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:38:45,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 17:38:45,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:38:45,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-27 17:38:45,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:38:45,778 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-10-27 17:38:45,906 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-10-27 17:38:46,030 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-10-27 17:38:47,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 632 proven. 6 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2020-10-27 17:38:47,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [854317675] [2020-10-27 17:38:47,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:38:47,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 17:38:47,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952767448] [2020-10-27 17:38:47,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 17:38:47,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:38:47,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 17:38:47,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-27 17:38:47,207 INFO L87 Difference]: Start difference. First operand 16107 states and 19692 transitions. Second operand 11 states. [2020-10-27 17:38:47,528 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2020-10-27 17:38:47,859 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2020-10-27 17:38:48,336 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2020-10-27 17:38:48,607 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 85 [2020-10-27 17:38:49,262 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-10-27 17:38:50,472 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 83 [2020-10-27 17:38:50,991 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2020-10-27 17:38:51,500 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-27 17:38:52,524 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2020-10-27 17:38:52,896 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-10-27 17:38:55,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:38:55,782 INFO L93 Difference]: Finished difference Result 33246 states and 40722 transitions. [2020-10-27 17:38:55,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 17:38:55,784 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 625 [2020-10-27 17:38:55,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:38:55,786 INFO L225 Difference]: With dead ends: 33246 [2020-10-27 17:38:55,786 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 17:38:55,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=186, Invalid=570, Unknown=0, NotChecked=0, Total=756 [2020-10-27 17:38:55,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 17:38:55,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 17:38:55,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 17:38:55,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 17:38:55,823 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 625 [2020-10-27 17:38:55,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:38:55,823 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 17:38:55,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 17:38:55,823 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 17:38:55,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 17:38:55,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 17:38:55,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 17:38:57,287 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 181 [2020-10-27 17:38:57,527 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 181 [2020-10-27 17:38:57,696 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 31 [2020-10-27 17:38:58,826 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 234 DAG size of output: 61 [2020-10-27 17:39:01,575 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 429 DAG size of output: 74 [2020-10-27 17:39:02,070 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 60 [2020-10-27 17:39:02,645 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 60 [2020-10-27 17:39:02,649 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 17:39:02,649 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 17:39:02,649 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 17:39:02,650 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 17:39:02,650 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:39:02,650 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a23~0 |old(~a23~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#valid)| |#valid|) (= ~a3~0 |old(~a3~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-27 17:39:02,650 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:39:02,651 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,651 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,651 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,651 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,651 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-27 17:39:02,651 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-27 17:39:02,652 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,652 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,652 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,652 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,652 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,652 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,652 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-27 17:39:02,652 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-27 17:39:02,652 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-27 17:39:02,653 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,653 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,653 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,653 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,653 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,653 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,653 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,653 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-27 17:39:02,653 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-27 17:39:02,653 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-27 17:39:02,653 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,653 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,653 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,654 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,654 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,654 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,654 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,654 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,654 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,654 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-27 17:39:02,654 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-27 17:39:02,654 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-27 17:39:02,654 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,654 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,654 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,655 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,655 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,655 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,655 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,655 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,655 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,655 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-27 17:39:02,655 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-27 17:39:02,655 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-27 17:39:02,655 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-27 17:39:02,655 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-27 17:39:02,655 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-27 17:39:02,656 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-27 17:39:02,656 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,656 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,656 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,656 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,656 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,656 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,656 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,656 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,656 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,656 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,656 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-27 17:39:02,656 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-27 17:39:02,657 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-27 17:39:02,657 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,657 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,657 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,657 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,657 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,657 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,657 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-27 17:39:02,657 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-27 17:39:02,657 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-27 17:39:02,658 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,658 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,658 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,658 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,658 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-27 17:39:02,658 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-27 17:39:02,658 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,658 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,658 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,658 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,658 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,659 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,659 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-27 17:39:02,659 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-27 17:39:02,659 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,659 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,659 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-27 17:39:02,659 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-27 17:39:02,659 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-27 17:39:02,659 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,659 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,659 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,660 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,660 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,660 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,660 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,660 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-27 17:39:02,660 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-27 17:39:02,660 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-27 17:39:02,660 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-27 17:39:02,660 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-27 17:39:02,660 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-27 17:39:02,660 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-27 17:39:02,660 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,661 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse8 (= ~a25~0 |old(~a25~0)|)) (.cse9 (= ~a23~0 |old(~a23~0)|)) (.cse10 (= ~a29~0 |old(~a29~0)|))) (let ((.cse2 (= |old(~a4~0)| 1)) (.cse6 (not (<= (+ |old(~a23~0)| 43) 0))) (.cse7 (not (<= 307 |old(~a23~0)|))) (.cse5 (not (<= |old(~a29~0)| 599999))) (.cse1 (not (<= 13 |old(~a25~0)|))) (.cse0 (not (<= (+ |old(~a29~0)| 21) 0))) (.cse13 (not (= 12 |old(~a25~0)|))) (.cse11 (not (<= |old(~a29~0)| 599998))) (.cse12 (not (= ~a8~0 15))) (.cse3 (and .cse8 .cse9 .cse10 (= ~a4~0 |old(~a4~0)|))) (.cse4 (not (= 11 |old(~a25~0)|))) (.cse14 (not (= ~a3~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse3 .cse6) (or .cse5 .cse7 .cse3 .cse4) (or (and (= ~a4~0 0) .cse8 .cse9 .cse10) .cse11 .cse12 .cse13 .cse14 (not (= |old(~a4~0)| 0))) (or .cse5 .cse2 .cse13 .cse3 .cse6) (or .cse5 .cse3 (not (= 9 |old(~a25~0)|))) (or .cse11 .cse12 .cse13 .cse7 .cse3 .cse14) (or .cse5 (not (= 10 |old(~a25~0)|)) .cse3) (or .cse1 .cse11 .cse12 .cse3 .cse14) (or .cse0 .cse13 .cse3) (or .cse11 .cse12 .cse3 .cse4 .cse14)))) [2020-10-27 17:39:02,661 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,661 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-27 17:39:02,661 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-27 17:39:02,664 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,664 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,664 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,664 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,664 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,665 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-27 17:39:02,665 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-27 17:39:02,665 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-27 17:39:02,665 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,665 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,665 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,665 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,665 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,665 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,665 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-27 17:39:02,665 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-27 17:39:02,666 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-27 17:39:02,666 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,666 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,666 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,666 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,666 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,666 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,666 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,666 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,666 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-27 17:39:02,666 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-27 17:39:02,667 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-27 17:39:02,667 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,667 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,667 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,667 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,667 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,667 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,667 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,667 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,667 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,668 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,668 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,668 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-27 17:39:02,668 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-27 17:39:02,668 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-27 17:39:02,668 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-27 17:39:02,668 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-27 17:39:02,668 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,668 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,668 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,668 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,668 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,669 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,669 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,669 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-27 17:39:02,669 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-27 17:39:02,669 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-27 17:39:02,669 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,669 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,669 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,669 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-27 17:39:02,669 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-27 17:39:02,669 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,670 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,670 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,670 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,670 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,670 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-27 17:39:02,670 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-27 17:39:02,670 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,670 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,670 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-27 17:39:02,670 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-27 17:39:02,670 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,670 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,671 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,671 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,671 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,671 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,671 INFO L270 CegarLoopResult]: At program point L146(line 146) the Hoare annotation is: (let ((.cse5 (not (<= 307 |old(~a23~0)|))) (.cse8 (not (<= 13 |old(~a25~0)|))) (.cse0 (not (<= |old(~a29~0)| 599998))) (.cse1 (not (= ~a8~0 15))) (.cse3 (not (= ~a3~0 1))) (.cse4 (not (<= |old(~a29~0)| 599999))) (.cse2 (not (= 12 |old(~a25~0)|))) (.cse10 (not (<= (+ |old(~a23~0)| 43) 0))) (.cse7 (not (<= (+ |old(~a29~0)| 21) 0))) (.cse9 (= |old(~a4~0)| 1)) (.cse6 (not (= 11 |old(~a25~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~a4~0)| 0))) (or .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9) (or .cse4 (not (= 10 |old(~a25~0)|))) (or .cse0 .cse1 .cse2 .cse5 .cse3) (or .cse4 (not (= 9 |old(~a25~0)|))) (or .cse8 .cse4 .cse9 .cse10) (or .cse0 .cse1 .cse6 .cse3) (or .cse7 .cse2) (or .cse8 .cse0 .cse1 .cse3) (or .cse4 .cse9 .cse2 .cse10) (or .cse7 .cse9 .cse6))) [2020-10-27 17:39:02,671 INFO L274 CegarLoopResult]: For program point L146-1(line 146) no Hoare annotation was computed. [2020-10-27 17:39:02,671 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-27 17:39:02,673 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-27 17:39:02,673 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-27 17:39:02,674 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,674 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,674 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,674 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,674 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,674 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,674 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,674 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,675 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-27 17:39:02,675 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-27 17:39:02,675 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-27 17:39:02,675 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-27 17:39:02,675 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-27 17:39:02,675 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-27 17:39:02,675 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,675 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,675 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,675 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,675 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,675 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,675 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,676 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,676 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-27 17:39:02,676 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-27 17:39:02,676 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,676 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,676 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,676 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,676 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,676 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,676 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-27 17:39:02,676 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-27 17:39:02,676 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,677 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,677 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,677 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,677 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,677 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,677 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,677 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-27 17:39:02,677 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,677 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,678 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,678 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-27 17:39:02,679 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-27 17:39:02,680 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-27 17:39:02,680 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,680 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-27 17:39:02,680 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,680 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-27 17:39:02,680 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,680 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,681 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,681 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,683 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,683 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,684 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-27 17:39:02,684 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-27 17:39:02,684 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-27 17:39:02,684 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,684 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,684 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,684 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,684 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,684 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,684 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,684 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,684 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,685 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,685 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-27 17:39:02,685 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-27 17:39:02,685 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-27 17:39:02,685 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,685 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-27 17:39:02,685 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-27 17:39:02,685 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,685 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,685 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:39:02,685 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,685 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,685 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-27 17:39:02,686 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-27 17:39:02,686 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-27 17:39:02,686 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-27 17:39:02,686 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:39:02,686 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 10) (<= ~a29~0 130) (= ~a8~0 15) (= ~a3~0 1) (= ~a23~0 312)) [2020-10-27 17:39:02,686 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 17:39:02,686 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:39:02,686 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (= 312 |old(~a23~0)|)) (not (= ~a8~0 15)) (not (= 10 |old(~a25~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a23~0 312)) (not (<= |old(~a29~0)| 130)) (not (= ~a3~0 1))) [2020-10-27 17:39:02,686 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-27 17:39:02,687 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (let ((.cse1 (not (= ~a4~0 1))) (.cse3 (<= (+ ~a23~0 43) 0)) (.cse6 (<= 307 ~a23~0)) (.cse2 (= ~a25~0 12)) (.cse5 (= ~a25~0 11)) (.cse7 (<= ~a29~0 599998)) (.cse4 (<= 13 ~a25~0)) (.cse0 (<= ~a29~0 599999))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse3 .cse4) (not (= ~a8~0 15)) (and .cse0 .cse5 .cse6) (not (= ~a3~0 1)) (and .cse6 .cse2 .cse7) (and (<= (+ ~a29~0 21) 0) .cse2) (not (= 312 |old(~a23~0)|)) (and (= ~a4~0 0) .cse2 .cse7) (and .cse5 .cse7) (and .cse7 .cse4) (and .cse0 (= ~a25~0 9)) (and .cse0 (= ~a25~0 10)) (not (= 10 |old(~a25~0)|)) (not (<= |old(~a29~0)| 130)))) [2020-10-27 17:39:02,687 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-27 17:39:02,687 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-27 17:39:02,687 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse1 (not (= ~a4~0 1))) (.cse3 (<= (+ ~a23~0 43) 0)) (.cse6 (<= 307 ~a23~0)) (.cse2 (= ~a25~0 12)) (.cse5 (= ~a25~0 11)) (.cse7 (<= ~a29~0 599998)) (.cse4 (<= 13 ~a25~0)) (.cse0 (<= ~a29~0 599999))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse3 .cse4) (not (= ~a8~0 15)) (and .cse0 .cse5 .cse6) (not (= ~a3~0 1)) (and .cse6 .cse2 .cse7) (and (<= (+ ~a29~0 21) 0) .cse2) (not (= 312 |old(~a23~0)|)) (and (= ~a4~0 0) .cse2 .cse7) (and .cse5 .cse7) (and .cse7 .cse4) (and .cse0 (= ~a25~0 9)) (and .cse0 (= ~a25~0 10)) (not (= 10 |old(~a25~0)|)) (not (<= |old(~a29~0)| 130)))) [2020-10-27 17:39:02,687 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-27 17:39:02,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:39:02 BoogieIcfgContainer [2020-10-27 17:39:02,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:39:02,732 INFO L168 Benchmark]: Toolchain (without parser) took 117245.42 ms. Allocated memory was 163.6 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 135.1 MB in the beginning and 1.1 GB in the end (delta: -920.4 MB). Peak memory consumption was 880.8 MB. Max. memory is 8.0 GB. [2020-10-27 17:39:02,736 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 163.6 MB. Free memory is still 134.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:39:02,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 899.14 ms. Allocated memory is still 163.6 MB. Free memory was 134.5 MB in the beginning and 127.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 8.0 GB. [2020-10-27 17:39:02,740 INFO L168 Benchmark]: Boogie Preprocessor took 180.32 ms. Allocated memory is still 163.6 MB. Free memory was 127.2 MB in the beginning and 119.3 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-27 17:39:02,740 INFO L168 Benchmark]: RCFGBuilder took 2519.36 ms. Allocated memory was 163.6 MB in the beginning and 197.1 MB in the end (delta: 33.6 MB). Free memory was 119.3 MB in the beginning and 158.5 MB in the end (delta: -39.1 MB). Peak memory consumption was 89.8 MB. Max. memory is 8.0 GB. [2020-10-27 17:39:02,743 INFO L168 Benchmark]: TraceAbstraction took 113631.27 ms. Allocated memory was 197.1 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 157.9 MB in the beginning and 1.1 GB in the end (delta: -897.5 MB). Peak memory consumption was 868.8 MB. Max. memory is 8.0 GB. [2020-10-27 17:39:02,748 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 163.6 MB. Free memory is still 134.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 899.14 ms. Allocated memory is still 163.6 MB. Free memory was 134.5 MB in the beginning and 127.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 180.32 ms. Allocated memory is still 163.6 MB. Free memory was 127.2 MB in the beginning and 119.3 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2519.36 ms. Allocated memory was 163.6 MB in the beginning and 197.1 MB in the end (delta: 33.6 MB). Free memory was 119.3 MB in the beginning and 158.5 MB in the end (delta: -39.1 MB). Peak memory consumption was 89.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 113631.27 ms. Allocated memory was 197.1 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 157.9 MB in the beginning and 1.1 GB in the end (delta: -897.5 MB). Peak memory consumption was 868.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: ((((((((((((((((a29 <= 599999 && !(a4 == 1)) && a25 == 12) && a23 + 43 <= 0) || (((a29 <= 599999 && !(a4 == 1)) && a23 + 43 <= 0) && 13 <= a25)) || !(a8 == 15)) || ((a29 <= 599999 && a25 == 11) && 307 <= a23)) || !(a3 == 1)) || ((307 <= a23 && a25 == 12) && a29 <= 599998)) || (a29 + 21 <= 0 && a25 == 12)) || !(312 == \old(a23))) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || (a25 == 11 && a29 <= 599998)) || (a29 <= 599998 && 13 <= a25)) || (a29 <= 599999 && a25 == 9)) || (a29 <= 599999 && a25 == 10)) || !(10 == \old(a25))) || !(\old(a29) <= 130) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 106.6s, OverallIterations: 15, TraceHistogramMax: 6, AutomataDifference: 56.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 696 SDtfs, 9457 SDslu, 1182 SDs, 0 SdLazy, 21282 SolverSat, 2512 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 244 GetRequests, 133 SyntacticMatches, 3 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16107occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 1611 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 929 PreInvPairs, 1133 NumberOfFragments, 881 HoareAnnotationTreeSize, 929 FomulaSimplifications, 165344 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 16984 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 44.4s InterpolantComputationTime, 3737 NumberOfCodeBlocks, 3737 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3722 ConstructedInterpolants, 0 QuantifiedInterpolants, 5798479 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 3188/3272 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...