/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:33:31,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:33:31,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:33:31,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:33:31,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:33:31,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:33:31,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:33:31,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:33:31,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:33:31,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:33:31,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:33:31,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:33:31,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:33:31,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:33:31,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:33:31,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:33:31,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:33:31,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:33:31,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:33:31,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:33:31,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:33:31,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:33:31,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:33:31,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:33:31,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:33:31,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:33:31,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:33:31,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:33:31,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:33:31,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:33:31,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:33:31,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:33:31,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:33:31,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:33:31,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:33:31,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:33:31,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:33:31,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:33:31,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:33:31,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:33:31,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:33:31,790 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 15:33:31,844 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:33:31,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:33:31,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:33:31,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:33:31,849 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:33:31,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:33:31,850 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:33:31,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:33:31,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:33:31,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:33:31,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:33:31,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:33:31,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:33:31,852 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:33:31,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:33:31,852 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:33:31,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:33:31,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:33:31,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:33:31,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:33:31,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:33:31,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:33:31,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:33:31,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:33:31,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:33:31,854 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:33:31,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:33:31,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:33:31,855 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:33:31,855 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:33:32,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:33:32,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:33:32,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:33:32,354 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:33:32,355 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:33:32,356 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label36.c [2020-10-27 15:33:32,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e39c7a75a/615bc40a34d4430e92e8da75d0206c97/FLAG76439124b [2020-10-27 15:33:33,202 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:33:33,203 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label36.c [2020-10-27 15:33:33,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e39c7a75a/615bc40a34d4430e92e8da75d0206c97/FLAG76439124b [2020-10-27 15:33:33,461 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e39c7a75a/615bc40a34d4430e92e8da75d0206c97 [2020-10-27 15:33:33,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:33:33,472 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:33:33,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:33:33,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:33:33,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:33:33,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:33:33" (1/1) ... [2020-10-27 15:33:33,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e09aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:33:33, skipping insertion in model container [2020-10-27 15:33:33,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:33:33" (1/1) ... [2020-10-27 15:33:33,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:33:33,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:33:33,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:33:34,008 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:33:34,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:33:34,218 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:33:34,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:33:34 WrapperNode [2020-10-27 15:33:34,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:33:34,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:33:34,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:33:34,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:33:34,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:33:34" (1/1) ... [2020-10-27 15:33:34,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:33:34" (1/1) ... [2020-10-27 15:33:34,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:33:34" (1/1) ... [2020-10-27 15:33:34,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:33:34" (1/1) ... [2020-10-27 15:33:34,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:33:34" (1/1) ... [2020-10-27 15:33:34,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:33:34" (1/1) ... [2020-10-27 15:33:34,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:33:34" (1/1) ... [2020-10-27 15:33:34,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:33:34,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:33:34,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:33:34,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:33:34,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:33:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:33:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:33:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:33:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:33:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:33:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:33:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:33:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:33:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:33:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:33:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:33:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:33:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:33:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:33:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:33:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:33:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:33:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:33:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:33:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:33:35,727 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:33:35,728 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:33:35,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:33:35 BoogieIcfgContainer [2020-10-27 15:33:35,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:33:35,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:33:35,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:33:35,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:33:35,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:33:33" (1/3) ... [2020-10-27 15:33:35,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b7c5bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:33:35, skipping insertion in model container [2020-10-27 15:33:35,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:33:34" (2/3) ... [2020-10-27 15:33:35,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b7c5bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:33:35, skipping insertion in model container [2020-10-27 15:33:35,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:33:35" (3/3) ... [2020-10-27 15:33:35,739 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label36.c [2020-10-27 15:33:35,752 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:33:35,757 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:33:35,771 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:33:35,801 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:33:35,801 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:33:35,801 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:33:35,802 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:33:35,802 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:33:35,802 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:33:35,802 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:33:35,802 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:33:35,826 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-27 15:33:35,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-27 15:33:35,839 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:33:35,840 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:33:35,841 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:33:35,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:33:35,848 INFO L82 PathProgramCache]: Analyzing trace with hash 319536139, now seen corresponding path program 1 times [2020-10-27 15:33:35,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:33:35,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1250486614] [2020-10-27 15:33:35,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:33:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:33:36,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:36,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:38,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:33:38,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-27 15:33:38,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:33:38,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2184 [2020-10-27 15:33:38,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:33:38,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 15:33:38,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:33:38,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 15:33:38,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:33:39,186 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-10-27 15:33:39,390 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 46 [2020-10-27 15:33:39,578 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 43 [2020-10-27 15:33:39,749 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 41 [2020-10-27 15:33:39,910 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 38 [2020-10-27 15:33:40,044 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2020-10-27 15:33:40,291 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:33:40,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:33:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:33:40,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:40,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:33:40,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:33:40,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:33:40,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 15:33:40,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:33:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:33:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:33:40,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:33:40,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:33:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:33:40,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1250486614] [2020-10-27 15:33:40,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:33:40,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 15:33:40,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171008853] [2020-10-27 15:33:40,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 15:33:40,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:33:40,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 15:33:40,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:33:40,596 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 12 states. [2020-10-27 15:33:40,817 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-27 15:33:41,029 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 15:33:41,315 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 15:33:41,676 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 15:33:42,208 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2020-10-27 15:33:42,743 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 129 [2020-10-27 15:33:43,474 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 126 [2020-10-27 15:33:44,303 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 123 [2020-10-27 15:33:44,886 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 118 [2020-10-27 15:33:46,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:33:46,284 INFO L93 Difference]: Finished difference Result 479 states and 799 transitions. [2020-10-27 15:33:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 15:33:46,286 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 109 [2020-10-27 15:33:46,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:33:46,299 INFO L225 Difference]: With dead ends: 479 [2020-10-27 15:33:46,299 INFO L226 Difference]: Without dead ends: 206 [2020-10-27 15:33:46,306 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2020-10-27 15:33:46,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-27 15:33:46,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2020-10-27 15:33:46,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-10-27 15:33:46,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 278 transitions. [2020-10-27 15:33:46,373 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 278 transitions. Word has length 109 [2020-10-27 15:33:46,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:33:46,374 INFO L481 AbstractCegarLoop]: Abstraction has 206 states and 278 transitions. [2020-10-27 15:33:46,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 15:33:46,374 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 278 transitions. [2020-10-27 15:33:46,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-27 15:33:46,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:33:46,378 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:33:46,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:33:46,379 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:33:46,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:33:46,380 INFO L82 PathProgramCache]: Analyzing trace with hash -912631379, now seen corresponding path program 1 times [2020-10-27 15:33:46,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:33:46,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2061968074] [2020-10-27 15:33:46,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:33:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:33:46,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:46,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:47,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:48,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:33:48,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 15:33:48,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:33:48,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1770 [2020-10-27 15:33:48,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:33:48,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:33:48,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 15:33:48,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-27 15:33:48,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:33:48,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:33:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:33:48,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:48,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:33:48,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:33:48,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:33:48,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 15:33:48,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:33:48,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:33:48,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:33:48,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:33:48,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:33:48,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:33:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:33:48,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:48,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:33:48,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:33:48,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:33:48,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:33:48,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:33:48,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:33:48,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:33:48,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 15:33:48,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:33:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:33:48,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2061968074] [2020-10-27 15:33:48,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:33:48,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:33:48,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110965689] [2020-10-27 15:33:48,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:33:48,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:33:48,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:33:48,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:33:48,507 INFO L87 Difference]: Start difference. First operand 206 states and 278 transitions. Second operand 5 states. [2020-10-27 15:33:48,776 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 15:33:49,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:33:49,979 INFO L93 Difference]: Finished difference Result 485 states and 694 transitions. [2020-10-27 15:33:49,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:33:49,980 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 117 [2020-10-27 15:33:49,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:33:49,986 INFO L225 Difference]: With dead ends: 485 [2020-10-27 15:33:49,986 INFO L226 Difference]: Without dead ends: 345 [2020-10-27 15:33:49,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:33:49,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-10-27 15:33:50,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 343. [2020-10-27 15:33:50,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2020-10-27 15:33:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 460 transitions. [2020-10-27 15:33:50,022 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 460 transitions. Word has length 117 [2020-10-27 15:33:50,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:33:50,022 INFO L481 AbstractCegarLoop]: Abstraction has 343 states and 460 transitions. [2020-10-27 15:33:50,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:33:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 460 transitions. [2020-10-27 15:33:50,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-27 15:33:50,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:33:50,026 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:33:50,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:33:50,027 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:33:50,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:33:50,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1669502162, now seen corresponding path program 1 times [2020-10-27 15:33:50,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:33:50,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [141332614] [2020-10-27 15:33:50,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:33:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:33:50,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:50,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:50,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:33:50,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 15:33:50,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:33:50,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 412 [2020-10-27 15:33:50,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:33:50,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:33:50,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 15:33:50,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 15:33:50,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:33:50,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:33:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:33:50,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:50,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:33:50,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:33:50,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:33:50,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 15:33:50,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:33:50,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:33:50,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:33:50,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:33:50,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:33:50,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:33:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:33:50,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:50,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:33:50,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:33:50,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:33:50,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 15:33:50,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:33:50,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:33:50,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:33:50,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 15:33:50,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:33:51,144 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:33:51,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [141332614] [2020-10-27 15:33:51,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:33:51,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:33:51,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887147097] [2020-10-27 15:33:51,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:33:51,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:33:51,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:33:51,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:33:51,153 INFO L87 Difference]: Start difference. First operand 343 states and 460 transitions. Second operand 5 states. [2020-10-27 15:33:51,410 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-27 15:33:52,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:33:52,724 INFO L93 Difference]: Finished difference Result 721 states and 1019 transitions. [2020-10-27 15:33:52,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:33:52,725 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-10-27 15:33:52,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:33:52,733 INFO L225 Difference]: With dead ends: 721 [2020-10-27 15:33:52,734 INFO L226 Difference]: Without dead ends: 345 [2020-10-27 15:33:52,739 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 15:33:52,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-10-27 15:33:52,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 343. [2020-10-27 15:33:52,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2020-10-27 15:33:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 425 transitions. [2020-10-27 15:33:52,797 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 425 transitions. Word has length 120 [2020-10-27 15:33:52,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:33:52,797 INFO L481 AbstractCegarLoop]: Abstraction has 343 states and 425 transitions. [2020-10-27 15:33:52,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:33:52,798 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 425 transitions. [2020-10-27 15:33:52,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-27 15:33:52,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:33:52,802 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:33:52,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:33:52,805 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:33:52,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:33:52,806 INFO L82 PathProgramCache]: Analyzing trace with hash 453630359, now seen corresponding path program 1 times [2020-10-27 15:33:52,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:33:52,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1673531020] [2020-10-27 15:33:52,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:33:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:33:52,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:52,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:53,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:54,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:55,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:33:55,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-27 15:33:55,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:33:55,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2617 [2020-10-27 15:33:55,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:33:55,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:33:55,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-27 15:33:55,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-27 15:33:55,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:33:55,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:33:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:33:55,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:55,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:33:55,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:33:55,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:33:55,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:33:55,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:33:55,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:33:55,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:33:55,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:33:55,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:33:55,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:33:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:33:55,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:55,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:33:55,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:33:55,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:33:55,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:33:55,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:33:55,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:33:55,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:33:55,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:33:55,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:33:55,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 15:33:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:33:55,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:55,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:33:55,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 15:33:55,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:33:55,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 15:33:55,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:33:55,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:33:55,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:33:55,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 15:33:55,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:33:55,780 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 15:33:55,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1673531020] [2020-10-27 15:33:55,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:33:55,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:33:55,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907595198] [2020-10-27 15:33:55,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:33:55,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:33:55,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:33:55,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:33:55,785 INFO L87 Difference]: Start difference. First operand 343 states and 425 transitions. Second operand 6 states. [2020-10-27 15:33:57,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:33:57,762 INFO L93 Difference]: Finished difference Result 1170 states and 1525 transitions. [2020-10-27 15:33:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 15:33:57,763 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2020-10-27 15:33:57,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:33:57,770 INFO L225 Difference]: With dead ends: 1170 [2020-10-27 15:33:57,770 INFO L226 Difference]: Without dead ends: 893 [2020-10-27 15:33:57,772 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 15:33:57,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2020-10-27 15:33:57,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 893. [2020-10-27 15:33:57,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2020-10-27 15:33:57,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1105 transitions. [2020-10-27 15:33:57,820 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1105 transitions. Word has length 129 [2020-10-27 15:33:57,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:33:57,821 INFO L481 AbstractCegarLoop]: Abstraction has 893 states and 1105 transitions. [2020-10-27 15:33:57,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:33:57,821 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1105 transitions. [2020-10-27 15:33:57,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-27 15:33:57,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:33:57,826 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:33:57,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:33:57,826 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:33:57,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:33:57,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1050340076, now seen corresponding path program 1 times [2020-10-27 15:33:57,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:33:57,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272852572] [2020-10-27 15:33:57,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:33:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:33:57,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:57,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:33:58,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:01,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:02,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:02,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-27 15:34:02,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:34:02,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 15:34:02,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:02,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:34:02,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-27 15:34:02,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-27 15:34:02,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:03,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:34:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:03,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:03,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:03,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:34:03,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:03,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:34:03,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:03,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:34:03,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:03,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:34:03,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:03,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:34:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:03,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:03,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:03,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:34:03,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:03,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 15:34:03,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:03,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:34:03,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:03,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:34:03,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:03,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 15:34:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:03,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:03,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:03,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 15:34:03,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:03,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 15:34:03,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:03,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:34:03,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:03,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 15:34:03,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:03,105 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 15:34:03,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272852572] [2020-10-27 15:34:03,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:34:03,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:34:03,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332968055] [2020-10-27 15:34:03,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:34:03,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:34:03,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:34:03,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:34:03,107 INFO L87 Difference]: Start difference. First operand 893 states and 1105 transitions. Second operand 5 states. [2020-10-27 15:34:04,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:34:04,402 INFO L93 Difference]: Finished difference Result 2270 states and 2874 transitions. [2020-10-27 15:34:04,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:34:04,404 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-10-27 15:34:04,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:34:04,414 INFO L225 Difference]: With dead ends: 2270 [2020-10-27 15:34:04,414 INFO L226 Difference]: Without dead ends: 1443 [2020-10-27 15:34:04,417 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 15:34:04,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2020-10-27 15:34:04,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1304. [2020-10-27 15:34:04,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1304 states. [2020-10-27 15:34:04,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 1597 transitions. [2020-10-27 15:34:04,496 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 1597 transitions. Word has length 132 [2020-10-27 15:34:04,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:34:04,497 INFO L481 AbstractCegarLoop]: Abstraction has 1304 states and 1597 transitions. [2020-10-27 15:34:04,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:34:04,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1597 transitions. [2020-10-27 15:34:04,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-27 15:34:04,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:34:04,502 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:34:04,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:34:04,503 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:34:04,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:34:04,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1910044215, now seen corresponding path program 1 times [2020-10-27 15:34:04,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:34:04,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2105046154] [2020-10-27 15:34:04,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:34:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:04,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:04,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:04,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:06,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:09,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:09,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-27 15:34:09,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:34:09,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 15:34:09,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 15:34:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-27 15:34:09,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 15:34:09,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:10,024 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2020-10-27 15:34:10,170 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2020-10-27 15:34:10,348 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 41 [2020-10-27 15:34:10,530 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 39 [2020-10-27 15:34:10,718 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 37 [2020-10-27 15:34:10,904 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2020-10-27 15:34:11,086 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2020-10-27 15:34:11,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:34:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:11,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:11,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:11,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:34:11,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:11,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:34:11,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:11,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:34:11,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:11,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:34:11,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:11,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:34:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:11,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:11,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:11,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:34:11,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:11,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 15:34:11,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:11,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:34:11,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:11,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:34:11,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:11,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 15:34:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:11,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:11,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:11,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 15:34:11,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:11,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:34:11,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:11,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:34:11,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:11,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:34:11,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:11,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 15:34:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:11,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:11,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:11,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 15:34:11,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:11,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 15:34:11,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:11,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:34:11,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:11,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 15:34:11,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:11,568 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 15:34:11,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2105046154] [2020-10-27 15:34:11,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:34:11,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 15:34:11,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71739647] [2020-10-27 15:34:11,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 15:34:11,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:34:11,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 15:34:11,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-27 15:34:11,571 INFO L87 Difference]: Start difference. First operand 1304 states and 1597 transitions. Second operand 13 states. [2020-10-27 15:34:11,846 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 15:34:12,081 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 15:34:12,661 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 122 [2020-10-27 15:34:13,452 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 121 [2020-10-27 15:34:13,967 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 120 [2020-10-27 15:34:14,511 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 119 [2020-10-27 15:34:14,968 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2020-10-27 15:34:15,364 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 15:34:15,603 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 15:34:15,805 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-27 15:34:16,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:34:16,057 INFO L93 Difference]: Finished difference Result 2720 states and 3401 transitions. [2020-10-27 15:34:16,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 15:34:16,064 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 145 [2020-10-27 15:34:16,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:34:16,074 INFO L225 Difference]: With dead ends: 2720 [2020-10-27 15:34:16,074 INFO L226 Difference]: Without dead ends: 1482 [2020-10-27 15:34:16,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=170, Invalid=336, Unknown=0, NotChecked=0, Total=506 [2020-10-27 15:34:16,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2020-10-27 15:34:16,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1452. [2020-10-27 15:34:16,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1452 states. [2020-10-27 15:34:16,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1758 transitions. [2020-10-27 15:34:16,151 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1758 transitions. Word has length 145 [2020-10-27 15:34:16,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:34:16,151 INFO L481 AbstractCegarLoop]: Abstraction has 1452 states and 1758 transitions. [2020-10-27 15:34:16,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 15:34:16,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1758 transitions. [2020-10-27 15:34:16,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-27 15:34:16,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:34:16,160 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:34:16,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 15:34:16,160 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:34:16,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:34:16,161 INFO L82 PathProgramCache]: Analyzing trace with hash -366454336, now seen corresponding path program 1 times [2020-10-27 15:34:16,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:34:16,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [69249790] [2020-10-27 15:34:16,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:34:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:16,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:16,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:16,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:17,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:18,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:18,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-27 15:34:18,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:34:18,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2785 [2020-10-27 15:34:18,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:18,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:34:18,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-27 15:34:18,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-27 15:34:18,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:19,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:34:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:19,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:19,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:19,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:34:19,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:19,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:34:19,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:19,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:34:19,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:19,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:34:19,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:19,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:34:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:19,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:19,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:19,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 15:34:19,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:19,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 15:34:19,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:19,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:34:19,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:19,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:34:19,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:19,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 15:34:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:19,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:19,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:19,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 15:34:19,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:19,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 15:34:19,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:19,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:34:19,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:19,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 15:34:19,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:19,534 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 70 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-27 15:34:19,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [69249790] [2020-10-27 15:34:19,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:34:19,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:34:19,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090007740] [2020-10-27 15:34:19,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:34:19,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:34:19,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:34:19,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:34:19,537 INFO L87 Difference]: Start difference. First operand 1452 states and 1758 transitions. Second operand 5 states. [2020-10-27 15:34:20,301 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 15:34:21,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:34:21,018 INFO L93 Difference]: Finished difference Result 2927 states and 3596 transitions. [2020-10-27 15:34:21,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:34:21,021 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 184 [2020-10-27 15:34:21,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:34:21,032 INFO L225 Difference]: With dead ends: 2927 [2020-10-27 15:34:21,032 INFO L226 Difference]: Without dead ends: 1458 [2020-10-27 15:34:21,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:34:21,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2020-10-27 15:34:21,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1452. [2020-10-27 15:34:21,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1452 states. [2020-10-27 15:34:21,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1746 transitions. [2020-10-27 15:34:21,093 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1746 transitions. Word has length 184 [2020-10-27 15:34:21,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:34:21,094 INFO L481 AbstractCegarLoop]: Abstraction has 1452 states and 1746 transitions. [2020-10-27 15:34:21,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:34:21,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1746 transitions. [2020-10-27 15:34:21,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-27 15:34:21,101 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:34:21,101 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:34:21,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 15:34:21,101 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:34:21,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:34:21,102 INFO L82 PathProgramCache]: Analyzing trace with hash 2081864868, now seen corresponding path program 1 times [2020-10-27 15:34:21,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:34:21,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1233998132] [2020-10-27 15:34:21,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:34:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:21,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:21,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:21,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:21,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:24,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:24,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-27 15:34:24,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:34:24,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3236 [2020-10-27 15:34:24,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:24,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 15:34:24,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 15:34:24,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 15:34:24,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:24,709 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-27 15:34:24,939 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-10-27 15:34:25,090 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2020-10-27 15:34:25,242 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 38 [2020-10-27 15:34:25,624 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 25 [2020-10-27 15:34:25,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:34:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:25,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:25,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:25,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:34:25,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:25,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:34:25,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:25,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:34:25,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:25,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:34:25,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:25,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:34:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:25,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:25,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:25,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 15:34:25,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:25,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 15:34:25,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:25,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:34:25,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:25,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:34:25,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:25,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 15:34:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:25,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:25,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:25,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 15:34:25,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:25,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 15:34:25,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:25,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:34:25,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 15:34:25,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:26,052 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-27 15:34:26,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1233998132] [2020-10-27 15:34:26,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:34:26,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 15:34:26,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951709655] [2020-10-27 15:34:26,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 15:34:26,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:34:26,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 15:34:26,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-10-27 15:34:26,054 INFO L87 Difference]: Start difference. First operand 1452 states and 1746 transitions. Second operand 14 states. [2020-10-27 15:34:26,939 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-27 15:34:27,335 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 125 [2020-10-27 15:34:27,849 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 145 [2020-10-27 15:34:28,516 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 142 [2020-10-27 15:34:29,118 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2020-10-27 15:34:29,345 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-10-27 15:34:29,798 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2020-10-27 15:34:30,335 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 133 [2020-10-27 15:34:31,003 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2020-10-27 15:34:31,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:34:31,291 INFO L93 Difference]: Finished difference Result 2904 states and 3533 transitions. [2020-10-27 15:34:31,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 15:34:31,295 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 186 [2020-10-27 15:34:31,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:34:31,302 INFO L225 Difference]: With dead ends: 2904 [2020-10-27 15:34:31,302 INFO L226 Difference]: Without dead ends: 1501 [2020-10-27 15:34:31,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2020-10-27 15:34:31,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2020-10-27 15:34:31,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 1493. [2020-10-27 15:34:31,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1493 states. [2020-10-27 15:34:31,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1792 transitions. [2020-10-27 15:34:31,357 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1792 transitions. Word has length 186 [2020-10-27 15:34:31,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:34:31,358 INFO L481 AbstractCegarLoop]: Abstraction has 1493 states and 1792 transitions. [2020-10-27 15:34:31,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 15:34:31,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1792 transitions. [2020-10-27 15:34:31,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-27 15:34:31,364 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:34:31,365 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-27 15:34:31,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 15:34:31,365 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:34:31,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:34:31,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1026930030, now seen corresponding path program 1 times [2020-10-27 15:34:31,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:34:31,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [286514929] [2020-10-27 15:34:31,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:34:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:31,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:31,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:31,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:32,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:33,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:33,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:36,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:36,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-27 15:34:36,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 15:34:36,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 15:34:36,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 15:34:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 15:34:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 15:34:36,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:36,897 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2020-10-27 15:34:37,053 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 39 [2020-10-27 15:34:37,196 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 37 [2020-10-27 15:34:37,339 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 35 [2020-10-27 15:34:37,481 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2020-10-27 15:34:37,619 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 30 [2020-10-27 15:34:37,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:34:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:37,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:37,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:37,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:34:37,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:37,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:34:37,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:37,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:34:37,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:37,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:34:37,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:37,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:34:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:37,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:37,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:37,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 15:34:37,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:37,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 15:34:37,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:37,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:34:37,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:37,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:34:37,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:37,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 15:34:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:37,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:37,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:37,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 15:34:37,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:37,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:34:37,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:34:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:34:37,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:37,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 15:34:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:37,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:37,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:37,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-27 15:34:37,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:37,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 15:34:37,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:37,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:34:37,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:37,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 15:34:37,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:38,022 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-27 15:34:38,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [286514929] [2020-10-27 15:34:38,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:34:38,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 15:34:38,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388676520] [2020-10-27 15:34:38,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 15:34:38,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:34:38,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 15:34:38,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 15:34:38,025 INFO L87 Difference]: Start difference. First operand 1493 states and 1792 transitions. Second operand 13 states. [2020-10-27 15:34:38,835 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 15:34:39,045 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 15:34:39,557 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2020-10-27 15:34:40,183 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 121 [2020-10-27 15:34:40,704 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 120 [2020-10-27 15:34:41,156 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 119 [2020-10-27 15:34:41,799 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 117 [2020-10-27 15:34:42,259 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-27 15:34:42,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:34:42,513 INFO L93 Difference]: Finished difference Result 2930 states and 3564 transitions. [2020-10-27 15:34:42,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 15:34:42,516 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 216 [2020-10-27 15:34:42,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:34:42,517 INFO L225 Difference]: With dead ends: 2930 [2020-10-27 15:34:42,517 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:34:42,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2020-10-27 15:34:42,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:34:42,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:34:42,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:34:42,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:34:42,524 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 216 [2020-10-27 15:34:42,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:34:42,525 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:34:42,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 15:34:42,525 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:34:42,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:34:42,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 15:34:42,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:34:43,106 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 43 [2020-10-27 15:34:45,064 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 282 DAG size of output: 148 [2020-10-27 15:34:45,642 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 98 [2020-10-27 15:34:46,083 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 114 [2020-10-27 15:34:46,592 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 63 [2020-10-27 15:34:46,598 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:34:46,598 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:34:46,598 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:34:46,599 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:34:46,599 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:34:46,600 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-27 15:34:46,600 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:34:46,600 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,600 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,600 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,601 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,601 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,601 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,601 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-27 15:34:46,601 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-27 15:34:46,601 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-27 15:34:46,601 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-27 15:34:46,602 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-27 15:34:46,602 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-27 15:34:46,602 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-27 15:34:46,602 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-27 15:34:46,602 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-27 15:34:46,602 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-27 15:34:46,602 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-27 15:34:46,602 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-27 15:34:46,602 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,602 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,603 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,603 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,603 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,603 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,603 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-27 15:34:46,603 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-27 15:34:46,603 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-27 15:34:46,603 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-27 15:34:46,603 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-27 15:34:46,603 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-27 15:34:46,604 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-27 15:34:46,604 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-27 15:34:46,604 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-27 15:34:46,604 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-27 15:34:46,604 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,604 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,604 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,604 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,604 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,604 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,605 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-27 15:34:46,605 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-27 15:34:46,605 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-27 15:34:46,605 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-27 15:34:46,605 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-27 15:34:46,605 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-27 15:34:46,605 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-27 15:34:46,605 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-27 15:34:46,605 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-27 15:34:46,605 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-27 15:34:46,606 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-27 15:34:46,606 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-27 15:34:46,606 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-27 15:34:46,606 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-27 15:34:46,606 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-27 15:34:46,606 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,606 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,606 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,606 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,606 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,607 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-27 15:34:46,607 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-27 15:34:46,607 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-27 15:34:46,607 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-27 15:34:46,607 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-27 15:34:46,607 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-27 15:34:46,607 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-27 15:34:46,607 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-27 15:34:46,607 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-27 15:34:46,607 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,607 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,608 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,608 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,608 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,608 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-27 15:34:46,608 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-27 15:34:46,608 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-27 15:34:46,608 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-27 15:34:46,608 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-27 15:34:46,608 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-27 15:34:46,608 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-27 15:34:46,609 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-27 15:34:46,609 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-27 15:34:46,609 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-27 15:34:46,609 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-27 15:34:46,609 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-27 15:34:46,609 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-27 15:34:46,609 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,609 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,609 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,609 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,610 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,610 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-27 15:34:46,610 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-27 15:34:46,610 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-27 15:34:46,610 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,610 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,610 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-27 15:34:46,610 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-27 15:34:46,610 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-27 15:34:46,610 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-27 15:34:46,610 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-27 15:34:46,610 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-27 15:34:46,611 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,611 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,611 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,611 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,611 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-27 15:34:46,611 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,611 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-27 15:34:46,611 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-27 15:34:46,611 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-27 15:34:46,611 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-27 15:34:46,612 INFO L270 CegarLoopResult]: At program point L484(line 484) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a8~0)| 15))) (.cse1 (not (<= 15 |old(~a8~0)|))) (.cse2 (not (= |calculate_output_#in~input| 3))) (.cse3 (not (= |calculate_output_#in~input| 2))) (.cse8 (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|)))) (.cse4 (not (= |calculate_output_#in~input| 4))) (.cse5 (not (= |calculate_output_#in~input| 1))) (.cse6 (not (= |calculate_output_#in~input| 6))) (.cse9 (not (= |old(~a21~0)| 1))) (.cse7 (not (= ~a12~0 8)))) (and (not (= 0 |old(~a21~0)|)) (or (and (not (<= |old(~a7~0)| 0)) (not (<= 2 |old(~a7~0)|))) (and (not (<= 2 |old(~a20~0)|)) (not (<= |old(~a20~0)| 0))) .cse0 (not (<= |old(~a21~0)| 1)) .cse1 (not (<= 1 |old(~a21~0)|)) (not (<= |old(~a17~0)| 1)) (and .cse2 .cse3 .cse4 .cse5 (not (= |calculate_output_#in~input| 5)) .cse6) .cse7) (or (and .cse8 (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 2)) (not (<= 2 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1)))) (not (<= |old(~a17~0)| 0)) (not (= 15 |old(~a8~0)|)) .cse9 .cse7 (= |old(~a7~0)| 1)) (or (not (= 14 |old(~a8~0)|)) (not (= |old(~a20~0)| |old(~a21~0)|)) .cse9 .cse7 (not (= |old(~a7~0)| |old(~a21~0)|)) (not (= 0 |old(~a17~0)|))) (not (= 0 |old(~a20~0)|)) (= 5 |old(~a16~0)|) (or (not (= |old(~a17~0)| 1)) .cse0 .cse1 (and .cse2 .cse3 .cse8 .cse4 .cse5 .cse6) .cse9 .cse7 (not (= |old(~a7~0)| 0))))) [2020-10-27 15:34:46,612 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-27 15:34:46,612 INFO L274 CegarLoopResult]: For program point L484-1(line 484) no Hoare annotation was computed. [2020-10-27 15:34:46,612 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-27 15:34:46,612 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-27 15:34:46,612 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-27 15:34:46,612 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-27 15:34:46,612 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-27 15:34:46,612 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-27 15:34:46,613 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-27 15:34:46,613 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,613 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,613 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,613 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,613 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,613 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-27 15:34:46,613 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-27 15:34:46,613 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-27 15:34:46,613 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-27 15:34:46,613 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-27 15:34:46,613 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-27 15:34:46,613 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-27 15:34:46,614 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-27 15:34:46,614 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,614 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,614 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse5 (= ~a20~0 |old(~a20~0)|)) (.cse11 (= ~a16~0 |old(~a16~0)|)) (.cse12 (= ~a8~0 |old(~a8~0)|)) (.cse0 (= 5 |old(~a16~0)|))) (let ((.cse8 (not .cse0)) (.cse6 (= 5 ~a16~0)) (.cse1 (and .cse2 .cse3 (= ~a21~0 |old(~a21~0)|) .cse5 .cse11 .cse12)) (.cse13 (not (<= |old(~a8~0)| 15))) (.cse4 (= ~a21~0 1)) (.cse15 (<= ~a8~0 15)) (.cse16 (<= 15 ~a8~0)) (.cse14 (not (<= 15 |old(~a8~0)|))) (.cse17 (not (= |calculate_output_#in~input| 3))) (.cse18 (not (= |calculate_output_#in~input| 2))) (.cse7 (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|)))) (.cse19 (not (= |calculate_output_#in~input| 4))) (.cse20 (not (= |calculate_output_#in~input| 1))) (.cse21 (not (= |calculate_output_#in~input| 6))) (.cse9 (not (= |old(~a21~0)| 1))) (.cse10 (not (= ~a12~0 8)))) (and (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 .cse5 (= ~a8~0 15) .cse6) (and .cse7 (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 2)) (not (<= 2 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1)))) (not (<= |old(~a17~0)| 0)) .cse8 (not (= 15 |old(~a8~0)|)) .cse9 .cse10 (= |old(~a7~0)| 1)) (or (not (= 14 |old(~a8~0)|)) (not (= |old(~a20~0)| |old(~a21~0)|)) .cse8 (and .cse3 (= ~a21~0 ~a7~0) .cse5 (= 14 ~a8~0) (= ~a21~0 ~a20~0) .cse6) .cse9 .cse10 (not (= |old(~a7~0)| |old(~a21~0)|)) (not (= 0 |old(~a17~0)|))) (or (not (= 0 |old(~a20~0)|)) .cse1) (or (not (= 0 |old(~a21~0)|)) (and .cse2 .cse3 .cse5 .cse11 .cse12 (= ~a21~0 0))) (or (and (not (<= |old(~a7~0)| 0)) (not (<= 2 |old(~a7~0)|))) (and (not (<= 2 |old(~a20~0)|)) (not (<= |old(~a20~0)| 0))) .cse13 (not (<= |old(~a21~0)| 1)) .cse14 (not (<= 1 |old(~a21~0)|)) (and .cse2 .cse3 .cse5 .cse11 (<= ~a21~0 1) (<= 1 ~a21~0) .cse15 .cse16) (not (<= |old(~a17~0)| 1)) (and .cse17 .cse18 .cse19 .cse20 (not (= |calculate_output_#in~input| 5)) .cse21) .cse10) (or (not (= |old(~a17~0)| 1)) .cse13 (and .cse3 .cse4 .cse5 .cse11 .cse15 .cse16 (= ~a7~0 0)) .cse14 (and .cse17 .cse18 .cse7 .cse19 .cse20 .cse21) .cse9 .cse10 (not (= |old(~a7~0)| 0)))))) [2020-10-27 15:34:46,614 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,614 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,615 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,615 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-27 15:34:46,615 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-27 15:34:46,615 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-27 15:34:46,615 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-27 15:34:46,615 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-27 15:34:46,615 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-27 15:34:46,615 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-27 15:34:46,615 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-27 15:34:46,615 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-27 15:34:46,615 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-27 15:34:46,615 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-27 15:34:46,615 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,615 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,616 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,616 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,616 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-27 15:34:46,616 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,616 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,616 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-27 15:34:46,616 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-27 15:34:46,616 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-27 15:34:46,616 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-27 15:34:46,616 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-27 15:34:46,616 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-27 15:34:46,616 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-27 15:34:46,616 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-27 15:34:46,617 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-27 15:34:46,617 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-27 15:34:46,617 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-27 15:34:46,617 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-27 15:34:46,617 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,617 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,617 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,617 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,617 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,617 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-27 15:34:46,617 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:34:46,617 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-27 15:34:46,617 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-27 15:34:46,618 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-27 15:34:46,618 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-27 15:34:46,618 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-27 15:34:46,618 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-27 15:34:46,618 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-27 15:34:46,618 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-27 15:34:46,618 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-27 15:34:46,618 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-27 15:34:46,618 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-27 15:34:46,618 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-27 15:34:46,618 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-27 15:34:46,618 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-27 15:34:46,618 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:34:46,619 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (= ~a12~0 8) (= ~a20~0 1) (= 5 ~a16~0) (<= ~a8~0 15) (= ~a7~0 0) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-10-27 15:34:46,619 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:34:46,619 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:34:46,619 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (<= |old(~a8~0)| 15)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (= ~a20~0 |old(~a20~0)|) (= 5 ~a16~0) (<= ~a8~0 15) (<= 15 ~a8~0) (= ~a7~0 0)) (not (= 5 |old(~a16~0)|)) (not (= |old(~a21~0)| 1)) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0))) [2020-10-27 15:34:46,619 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-27 15:34:46,620 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (= 6 main_~input~0)) (.cse1 (= main_~input~0 4)) (.cse2 (= 3 main_~input~0)) (.cse4 (= main_~input~0 1)) (.cse5 (= 2 main_~input~0)) (.cse7 (<= ~a8~0 15)) (.cse8 (<= 15 ~a8~0)) (.cse6 (= ~a21~0 1)) (.cse3 (and (<= main_~input~0 5) (<= 5 main_~input~0)))) (or (not (<= |old(~a8~0)| 15)) (and (= ~a17~0 |old(~a17~0)|) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 (= ~a7~0 0)) (not (= |old(~a20~0)| 1)) (not (= 5 ~a16~0)) (= ~a21~0 0) (and (= ~a21~0 ~a7~0) .cse6 (= 14 ~a8~0) (= ~a21~0 ~a20~0) (= ~a17~0 0)) (and (or (= 5 main_~input~0) .cse0 .cse1 .cse2 .cse4 .cse5) (or (< 1 ~a20~0) (<= ~a20~0 0)) (or (< 1 ~a7~0) (<= ~a7~0 0)) (<= ~a21~0 1) (<= ~a17~0 1) (<= 1 ~a21~0) .cse7 .cse8) (not (= |old(~a21~0)| 1)) (and .cse6 (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 2 main_~input~0) (<= main_~input~0 2)) (and (<= 6 main_~input~0) (<= main_~input~0 6)) (and (<= main_~input~0 3) (<= 3 main_~input~0)) (and (<= main_~input~0 1) (<= 1 main_~input~0)) .cse3) (<= ~a17~0 0) (= ~a8~0 15) (not (= ~a7~0 1))) (= ~a20~0 0) (not (= |old(~a17~0)| 1)) (not (<= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0)))) [2020-10-27 15:34:46,620 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-27 15:34:46,620 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-27 15:34:46,620 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse0 (or (< 1 ~a7~0) (<= ~a7~0 0))) (.cse1 (<= ~a21~0 1)) (.cse2 (<= 1 ~a21~0)) (.cse5 (= ~a21~0 1)) (.cse3 (<= ~a8~0 15)) (.cse4 (<= 15 ~a8~0))) (or (not (<= |old(~a8~0)| 15)) (and (or (< 1 ~a20~0) (<= ~a20~0 0)) .cse0 .cse1 (<= ~a17~0 1) .cse2 .cse3 .cse4) (not (= |old(~a20~0)| 1)) (not (= 5 ~a16~0)) (= ~a21~0 0) (and (= ~a21~0 ~a7~0) .cse5 (= 14 ~a8~0) (= ~a21~0 ~a20~0) (= ~a17~0 0)) (not (= |old(~a21~0)| 1)) (= ~a20~0 0) (not (= |old(~a17~0)| 1)) (not (<= 15 |old(~a8~0)|)) (and (<= ~a17~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~a17~0 |old(~a17~0)|) .cse5 .cse3 .cse4 (= ~a7~0 0)) (not (= 5 |old(~a16~0)|)) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0)))) [2020-10-27 15:34:46,620 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-27 15:34:46,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:34:46 BoogieIcfgContainer [2020-10-27 15:34:46,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:34:46,645 INFO L168 Benchmark]: Toolchain (without parser) took 73178.53 ms. Allocated memory was 162.5 MB in the beginning and 761.3 MB in the end (delta: 598.7 MB). Free memory was 136.0 MB in the beginning and 527.7 MB in the end (delta: -391.7 MB). Peak memory consumption was 454.3 MB. Max. memory is 8.0 GB. [2020-10-27 15:34:46,645 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 162.5 MB. Free memory is still 135.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:34:46,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.27 ms. Allocated memory is still 162.5 MB. Free memory was 135.3 MB in the beginning and 141.5 MB in the end (delta: -6.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. [2020-10-27 15:34:46,647 INFO L168 Benchmark]: Boogie Preprocessor took 119.94 ms. Allocated memory is still 162.5 MB. Free memory was 141.5 MB in the beginning and 136.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:34:46,647 INFO L168 Benchmark]: RCFGBuilder took 1388.91 ms. Allocated memory was 162.5 MB in the beginning and 201.3 MB in the end (delta: 38.8 MB). Free memory was 136.2 MB in the beginning and 158.8 MB in the end (delta: -22.5 MB). Peak memory consumption was 89.1 MB. Max. memory is 8.0 GB. [2020-10-27 15:34:46,648 INFO L168 Benchmark]: TraceAbstraction took 70911.32 ms. Allocated memory was 201.3 MB in the beginning and 761.3 MB in the end (delta: 559.9 MB). Free memory was 158.8 MB in the beginning and 527.7 MB in the end (delta: -368.9 MB). Peak memory consumption was 437.4 MB. Max. memory is 8.0 GB. [2020-10-27 15:34:46,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 162.5 MB. Free memory is still 135.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 741.27 ms. Allocated memory is still 162.5 MB. Free memory was 135.3 MB in the beginning and 141.5 MB in the end (delta: -6.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 119.94 ms. Allocated memory is still 162.5 MB. Free memory was 141.5 MB in the beginning and 136.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1388.91 ms. Allocated memory was 162.5 MB in the beginning and 201.3 MB in the end (delta: 38.8 MB). Free memory was 136.2 MB in the beginning and 158.8 MB in the end (delta: -22.5 MB). Peak memory consumption was 89.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 70911.32 ms. Allocated memory was 201.3 MB in the beginning and 761.3 MB in the end (delta: 559.9 MB). Free memory was 158.8 MB in the beginning and 527.7 MB in the end (delta: -368.9 MB). Peak memory consumption was 437.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((((((((((!(\old(a8) <= 15) || (((((((1 < a20 || a20 <= 0) && (1 < a7 || a7 <= 0)) && a21 <= 1) && a17 <= 1) && 1 <= a21) && a8 <= 15) && 15 <= a8)) || !(\old(a20) == 1)) || !(5 == a16)) || a21 == 0) || ((((a21 == a7 && a21 == 1) && 14 == a8) && a21 == a20) && a17 == 0)) || !(\old(a21) == 1)) || a20 == 0) || !(\old(a17) == 1)) || !(15 <= \old(a8))) || (((((a17 <= 0 && (1 < a7 || a7 <= 0)) && a21 <= 1) && 1 <= a21) && a8 <= 15) && 15 <= a8)) || ((((a17 == \old(a17) && a21 == 1) && a8 <= 15) && 15 <= a8) && a7 == 0)) || !(5 == \old(a16))) || !(a12 == 8)) || !(\old(a7) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 66.7s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 27.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 229 SDtfs, 2977 SDslu, 292 SDs, 0 SdLazy, 7352 SolverSat, 571 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 75 SyntacticMatches, 7 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 18.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1493occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 187 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 157 PreInvPairs, 191 NumberOfFragments, 1125 HoareAnnotationTreeSize, 157 FomulaSimplifications, 620 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3125 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 36.3s InterpolantComputationTime, 1338 NumberOfCodeBlocks, 1338 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1329 ConstructedInterpolants, 0 QuantifiedInterpolants, 3081950 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 480/496 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...