/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:29:42,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:29:42,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:29:42,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:29:42,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:29:42,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:29:42,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:29:42,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:29:42,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:29:42,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:29:42,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:29:42,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:29:42,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:29:42,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:29:42,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:29:42,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:29:42,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:29:42,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:29:42,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:29:42,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:29:42,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:29:42,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:29:42,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:29:42,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:29:42,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:29:42,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:29:42,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:29:42,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:29:42,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:29:42,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:29:42,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:29:42,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:29:42,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:29:42,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:29:42,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:29:42,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:29:42,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:29:42,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:29:42,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:29:42,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:29:42,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:29:42,723 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 17:29:42,762 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:29:42,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:29:42,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:29:42,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:29:42,764 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:29:42,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:29:42,765 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:29:42,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:29:42,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:29:42,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:29:42,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:29:42,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:29:42,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:29:42,766 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:29:42,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:29:42,767 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:29:42,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:29:42,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:29:42,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:29:42,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:29:42,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:29:42,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:29:42,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:29:42,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:29:42,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:29:42,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:29:42,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:29:42,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:29:42,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:29:42,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:29:43,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:29:43,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:29:43,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:29:43,211 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:29:43,212 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:29:43,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label07.c [2020-10-27 17:29:43,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c2cf011da/7db2d94a81254ef18944c446d22df5e1/FLAG12f9fdc49 [2020-10-27 17:29:44,176 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:29:44,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label07.c [2020-10-27 17:29:44,211 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c2cf011da/7db2d94a81254ef18944c446d22df5e1/FLAG12f9fdc49 [2020-10-27 17:29:44,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c2cf011da/7db2d94a81254ef18944c446d22df5e1 [2020-10-27 17:29:44,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:29:44,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:29:44,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:29:44,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:29:44,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:29:44,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:29:44" (1/1) ... [2020-10-27 17:29:44,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc51e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:44, skipping insertion in model container [2020-10-27 17:29:44,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:29:44" (1/1) ... [2020-10-27 17:29:44,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:29:44,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:29:45,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:29:45,073 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:29:45,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:29:45,345 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:29:45,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:45 WrapperNode [2020-10-27 17:29:45,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:29:45,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:29:45,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:29:45,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:29:45,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:45" (1/1) ... [2020-10-27 17:29:45,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:45" (1/1) ... [2020-10-27 17:29:45,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:45" (1/1) ... [2020-10-27 17:29:45,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:45" (1/1) ... [2020-10-27 17:29:45,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:45" (1/1) ... [2020-10-27 17:29:45,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:45" (1/1) ... [2020-10-27 17:29:45,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:45" (1/1) ... [2020-10-27 17:29:45,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:29:45,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:29:45,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:29:45,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:29:45,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:29:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:29:45,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:29:45,604 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:29:45,604 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:29:45,604 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:29:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:29:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:29:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:29:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:29:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:29:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:29:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:29:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:29:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:29:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:29:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:29:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:29:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:29:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:29:47,552 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:29:47,553 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:29:47,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:29:47 BoogieIcfgContainer [2020-10-27 17:29:47,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:29:47,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:29:47,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:29:47,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:29:47,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:29:44" (1/3) ... [2020-10-27 17:29:47,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff22afe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:29:47, skipping insertion in model container [2020-10-27 17:29:47,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:45" (2/3) ... [2020-10-27 17:29:47,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff22afe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:29:47, skipping insertion in model container [2020-10-27 17:29:47,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:29:47" (3/3) ... [2020-10-27 17:29:47,570 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label07.c [2020-10-27 17:29:47,584 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:29:47,591 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:29:47,607 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:29:47,642 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:29:47,642 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:29:47,642 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:29:47,642 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:29:47,643 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:29:47,643 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:29:47,643 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:29:47,643 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:29:47,668 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-27 17:29:47,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 17:29:47,676 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:47,677 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] [2020-10-27 17:29:47,677 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:47,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:47,684 INFO L82 PathProgramCache]: Analyzing trace with hash -480874728, now seen corresponding path program 1 times [2020-10-27 17:29:47,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:47,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [59435425] [2020-10-27 17:29:47,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:47,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:48,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:48,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 17:29:48,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:48,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 565 [2020-10-27 17:29:48,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:48,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:29:48,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:29:48,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 17:29:48,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 17:29:48,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:48,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:48,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:48,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:48,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:48,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 17:29:48,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:48,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:48,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:48,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:29:48,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:29:48,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:29:48,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [59435425] [2020-10-27 17:29:48,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:29:48,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 17:29:48,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507574303] [2020-10-27 17:29:48,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 17:29:48,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:48,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 17:29:48,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 17:29:48,730 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-27 17:29:52,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:52,087 INFO L93 Difference]: Finished difference Result 811 states and 1410 transitions. [2020-10-27 17:29:52,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:52,090 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-10-27 17:29:52,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:52,106 INFO L225 Difference]: With dead ends: 811 [2020-10-27 17:29:52,107 INFO L226 Difference]: Without dead ends: 435 [2020-10-27 17:29:52,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:52,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2020-10-27 17:29:52,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 429. [2020-10-27 17:29:52,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-10-27 17:29:52,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 618 transitions. [2020-10-27 17:29:52,209 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 618 transitions. Word has length 30 [2020-10-27 17:29:52,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:52,210 INFO L481 AbstractCegarLoop]: Abstraction has 429 states and 618 transitions. [2020-10-27 17:29:52,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 17:29:52,210 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 618 transitions. [2020-10-27 17:29:52,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-27 17:29:52,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:52,216 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:52,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:29:52,216 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:52,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:52,217 INFO L82 PathProgramCache]: Analyzing trace with hash -281521196, now seen corresponding path program 1 times [2020-10-27 17:29:52,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:52,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1667498603] [2020-10-27 17:29:52,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:52,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:52,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:53,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:54,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:54,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 17:29:54,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:29:54,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1744 [2020-10-27 17:29:54,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:54,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:54,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-27 17:29:54,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 17:29:54,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:29:54,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:54,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:54,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:54,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:54,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:54,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 17:29:54,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:54,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:54,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:54,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:54,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:54,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:54,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:54,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:54,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:29:54,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:54,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-27 17:29:54,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:54,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:54,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:54,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 17:29:54,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:54,381 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:29:54,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1667498603] [2020-10-27 17:29:54,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:54,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:54,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664061157] [2020-10-27 17:29:54,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:54,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:54,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:54,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:54,387 INFO L87 Difference]: Start difference. First operand 429 states and 618 transitions. Second operand 5 states. [2020-10-27 17:29:54,883 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-27 17:29:57,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:57,576 INFO L93 Difference]: Finished difference Result 1251 states and 1826 transitions. [2020-10-27 17:29:57,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:57,577 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2020-10-27 17:29:57,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:57,585 INFO L225 Difference]: With dead ends: 1251 [2020-10-27 17:29:57,585 INFO L226 Difference]: Without dead ends: 828 [2020-10-27 17:29:57,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:29:57,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-10-27 17:29:57,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 813. [2020-10-27 17:29:57,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2020-10-27 17:29:57,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1083 transitions. [2020-10-27 17:29:57,638 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1083 transitions. Word has length 102 [2020-10-27 17:29:57,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:57,639 INFO L481 AbstractCegarLoop]: Abstraction has 813 states and 1083 transitions. [2020-10-27 17:29:57,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:57,639 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1083 transitions. [2020-10-27 17:29:57,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-27 17:29:57,642 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:57,642 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:57,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:29:57,643 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:57,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:57,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1705517744, now seen corresponding path program 1 times [2020-10-27 17:29:57,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:57,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2133932642] [2020-10-27 17:29:57,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:57,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:57,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:58,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:59,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:59,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 17:29:59,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:29:59,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1797 [2020-10-27 17:29:59,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:59,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:59,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 17:29:59,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 17:29:59,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:59,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:59,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:59,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:59,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:59,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:59,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 17:29:59,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:59,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:59,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:59,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:59,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:59,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:59,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:59,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:59,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 17:29:59,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:59,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-27 17:29:59,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:59,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:59,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:59,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 17:29:59,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:59,927 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:29:59,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2133932642] [2020-10-27 17:29:59,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:59,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:59,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90809611] [2020-10-27 17:29:59,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:59,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:59,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:59,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:59,933 INFO L87 Difference]: Start difference. First operand 813 states and 1083 transitions. Second operand 5 states. [2020-10-27 17:30:02,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:02,114 INFO L93 Difference]: Finished difference Result 1635 states and 2189 transitions. [2020-10-27 17:30:02,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:02,115 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2020-10-27 17:30:02,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:02,121 INFO L225 Difference]: With dead ends: 1635 [2020-10-27 17:30:02,121 INFO L226 Difference]: Without dead ends: 819 [2020-10-27 17:30:02,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:02,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2020-10-27 17:30:02,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 813. [2020-10-27 17:30:02,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2020-10-27 17:30:02,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1079 transitions. [2020-10-27 17:30:02,173 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1079 transitions. Word has length 104 [2020-10-27 17:30:02,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:02,176 INFO L481 AbstractCegarLoop]: Abstraction has 813 states and 1079 transitions. [2020-10-27 17:30:02,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:30:02,176 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1079 transitions. [2020-10-27 17:30:02,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-27 17:30:02,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:02,188 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:02,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:30:02,188 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:02,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:02,191 INFO L82 PathProgramCache]: Analyzing trace with hash -2049896400, now seen corresponding path program 1 times [2020-10-27 17:30:02,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:02,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856338334] [2020-10-27 17:30:02,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:02,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:02,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:03,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:03,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 17:30:03,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:30:03,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 978 [2020-10-27 17:30:03,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:03,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:03,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 17:30:03,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 17:30:03,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:03,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:03,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:03,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:03,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:03,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:03,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 17:30:03,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:03,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:03,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:03,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:03,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:03,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:03,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:03,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:03,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-27 17:30:03,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:03,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 17:30:03,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:03,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:03,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:03,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 17:30:03,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:03,510 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:30:03,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856338334] [2020-10-27 17:30:03,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:03,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:30:03,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947107092] [2020-10-27 17:30:03,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:30:03,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:03,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:30:03,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:30:03,514 INFO L87 Difference]: Start difference. First operand 813 states and 1079 transitions. Second operand 5 states. [2020-10-27 17:30:06,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:06,653 INFO L93 Difference]: Finished difference Result 2205 states and 3002 transitions. [2020-10-27 17:30:06,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:06,653 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 105 [2020-10-27 17:30:06,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:06,661 INFO L225 Difference]: With dead ends: 2205 [2020-10-27 17:30:06,662 INFO L226 Difference]: Without dead ends: 1398 [2020-10-27 17:30:06,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:06,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1398 states. [2020-10-27 17:30:06,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1398 to 1390. [2020-10-27 17:30:06,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1390 states. [2020-10-27 17:30:06,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 1766 transitions. [2020-10-27 17:30:06,712 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 1766 transitions. Word has length 105 [2020-10-27 17:30:06,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:06,713 INFO L481 AbstractCegarLoop]: Abstraction has 1390 states and 1766 transitions. [2020-10-27 17:30:06,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:30:06,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1766 transitions. [2020-10-27 17:30:06,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-27 17:30:06,715 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:06,715 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:06,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:30:06,715 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:06,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:06,716 INFO L82 PathProgramCache]: Analyzing trace with hash -293608788, now seen corresponding path program 1 times [2020-10-27 17:30:06,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:06,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7394422] [2020-10-27 17:30:06,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:06,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:07,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:07,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:07,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 17:30:07,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:30:07,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1009 [2020-10-27 17:30:07,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:07,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:07,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-27 17:30:07,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 17:30:07,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:07,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:07,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:07,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:07,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:07,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:07,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:30:07,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:07,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:07,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:07,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:07,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:07,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:07,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:08,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:08,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-27 17:30:08,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:08,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-27 17:30:08,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 17:30:08,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:08,095 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:30:08,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7394422] [2020-10-27 17:30:08,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:08,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:30:08,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304450182] [2020-10-27 17:30:08,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:30:08,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:08,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:30:08,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:30:08,097 INFO L87 Difference]: Start difference. First operand 1390 states and 1766 transitions. Second operand 5 states. [2020-10-27 17:30:11,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:11,219 INFO L93 Difference]: Finished difference Result 3551 states and 4609 transitions. [2020-10-27 17:30:11,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:11,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-10-27 17:30:11,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:11,235 INFO L225 Difference]: With dead ends: 3551 [2020-10-27 17:30:11,235 INFO L226 Difference]: Without dead ends: 2167 [2020-10-27 17:30:11,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:11,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2020-10-27 17:30:11,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 2153. [2020-10-27 17:30:11,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2153 states. [2020-10-27 17:30:11,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2676 transitions. [2020-10-27 17:30:11,321 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2676 transitions. Word has length 122 [2020-10-27 17:30:11,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:11,322 INFO L481 AbstractCegarLoop]: Abstraction has 2153 states and 2676 transitions. [2020-10-27 17:30:11,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:30:11,322 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2676 transitions. [2020-10-27 17:30:11,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-27 17:30:11,323 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:11,324 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:11,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:30:11,324 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:11,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:11,325 INFO L82 PathProgramCache]: Analyzing trace with hash 807366432, now seen corresponding path program 1 times [2020-10-27 17:30:11,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:11,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436571443] [2020-10-27 17:30:11,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:11,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:11,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:12,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:12,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 17:30:12,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:30:12,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 971 [2020-10-27 17:30:12,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:12,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:12,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-27 17:30:12,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 17:30:12,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:12,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:12,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:12,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:12,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:12,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:12,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:30:12,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:12,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:12,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:12,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:12,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:12,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 17:30:12,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:12,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-27 17:30:12,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:12,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:12,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:12,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 17:30:12,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:12,669 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:30:12,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [436571443] [2020-10-27 17:30:12,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:12,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:30:12,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797409843] [2020-10-27 17:30:12,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:30:12,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:12,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:30:12,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:30:12,673 INFO L87 Difference]: Start difference. First operand 2153 states and 2676 transitions. Second operand 5 states. [2020-10-27 17:30:15,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:15,441 INFO L93 Difference]: Finished difference Result 4903 states and 6268 transitions. [2020-10-27 17:30:15,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:15,442 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2020-10-27 17:30:15,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:15,458 INFO L225 Difference]: With dead ends: 4903 [2020-10-27 17:30:15,459 INFO L226 Difference]: Without dead ends: 2756 [2020-10-27 17:30:15,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:15,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2756 states. [2020-10-27 17:30:15,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2756 to 2729. [2020-10-27 17:30:15,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2729 states. [2020-10-27 17:30:15,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 2729 states and 3407 transitions. [2020-10-27 17:30:15,550 INFO L78 Accepts]: Start accepts. Automaton has 2729 states and 3407 transitions. Word has length 128 [2020-10-27 17:30:15,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:15,551 INFO L481 AbstractCegarLoop]: Abstraction has 2729 states and 3407 transitions. [2020-10-27 17:30:15,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:30:15,551 INFO L276 IsEmpty]: Start isEmpty. Operand 2729 states and 3407 transitions. [2020-10-27 17:30:15,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-27 17:30:15,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:15,553 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:15,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:30:15,554 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:15,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:15,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1702907641, now seen corresponding path program 1 times [2020-10-27 17:30:15,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:15,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [30544046] [2020-10-27 17:30:15,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:15,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:15,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:16,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:16,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:16,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:16,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:17,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:17,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-27 17:30:17,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 17:30:17,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1590 [2020-10-27 17:30:17,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:17,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:17,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-27 17:30:17,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 17:30:17,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:17,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:17,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:17,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:17,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:17,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:17,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:30:17,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:17,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:17,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:17,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:17,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:17,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:17,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:17,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:17,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:17,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 17:30:17,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:30:17,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-27 17:30:17,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:17,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:17,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-27 17:30:17,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:30:17,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:17,562 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:30:17,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [30544046] [2020-10-27 17:30:17,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:17,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:30:17,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354744685] [2020-10-27 17:30:17,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:30:17,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:17,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:30:17,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:17,566 INFO L87 Difference]: Start difference. First operand 2729 states and 3407 transitions. Second operand 6 states. [2020-10-27 17:30:19,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:19,645 INFO L93 Difference]: Finished difference Result 5464 states and 6848 transitions. [2020-10-27 17:30:19,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:19,648 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2020-10-27 17:30:19,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:19,661 INFO L225 Difference]: With dead ends: 5464 [2020-10-27 17:30:19,661 INFO L226 Difference]: Without dead ends: 2741 [2020-10-27 17:30:19,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:30:19,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2020-10-27 17:30:19,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 2727. [2020-10-27 17:30:19,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2727 states. [2020-10-27 17:30:19,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2727 states to 2727 states and 3401 transitions. [2020-10-27 17:30:19,763 INFO L78 Accepts]: Start accepts. Automaton has 2727 states and 3401 transitions. Word has length 144 [2020-10-27 17:30:19,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:19,764 INFO L481 AbstractCegarLoop]: Abstraction has 2727 states and 3401 transitions. [2020-10-27 17:30:19,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:30:19,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2727 states and 3401 transitions. [2020-10-27 17:30:19,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-27 17:30:19,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:19,766 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:19,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 17:30:19,767 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:19,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:19,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1205856261, now seen corresponding path program 1 times [2020-10-27 17:30:19,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:19,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [27041749] [2020-10-27 17:30:19,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:19,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:20,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:20,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:20,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-27 17:30:20,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:30:20,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1079 [2020-10-27 17:30:20,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:20,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:20,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-27 17:30:20,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 17:30:20,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:20,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:20,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:21,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:21,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:21,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:21,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:30:21,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:21,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:21,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:21,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:21,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:21,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:21,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:21,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:21,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 17:30:21,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:21,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-27 17:30:21,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:21,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:21,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:21,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-27 17:30:21,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:21,247 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:30:21,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [27041749] [2020-10-27 17:30:21,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:21,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:30:21,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887583749] [2020-10-27 17:30:21,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:30:21,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:21,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:30:21,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:30:21,250 INFO L87 Difference]: Start difference. First operand 2727 states and 3401 transitions. Second operand 5 states. [2020-10-27 17:30:24,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:24,483 INFO L93 Difference]: Finished difference Result 6796 states and 8715 transitions. [2020-10-27 17:30:24,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:24,484 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2020-10-27 17:30:24,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:24,527 INFO L225 Difference]: With dead ends: 6796 [2020-10-27 17:30:24,527 INFO L226 Difference]: Without dead ends: 4075 [2020-10-27 17:30:24,533 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:24,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4075 states. [2020-10-27 17:30:24,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4075 to 4065. [2020-10-27 17:30:24,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4065 states. [2020-10-27 17:30:24,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4065 states to 4065 states and 5046 transitions. [2020-10-27 17:30:24,646 INFO L78 Accepts]: Start accepts. Automaton has 4065 states and 5046 transitions. Word has length 144 [2020-10-27 17:30:24,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:24,646 INFO L481 AbstractCegarLoop]: Abstraction has 4065 states and 5046 transitions. [2020-10-27 17:30:24,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:30:24,647 INFO L276 IsEmpty]: Start isEmpty. Operand 4065 states and 5046 transitions. [2020-10-27 17:30:24,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-27 17:30:24,649 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:24,650 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:24,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 17:30:24,650 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:24,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:24,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1562861330, now seen corresponding path program 1 times [2020-10-27 17:30:24,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:24,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [439148018] [2020-10-27 17:30:24,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:24,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:24,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:25,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:25,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-27 17:30:25,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:30:25,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 918 [2020-10-27 17:30:25,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:25,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:25,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-27 17:30:25,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 17:30:25,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:25,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:25,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:25,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:25,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:25,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:25,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:30:25,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:25,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:25,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:25,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:25,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:25,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:25,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:25,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:25,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 17:30:25,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:25,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-27 17:30:25,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:25,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:25,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:25,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 17:30:25,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:26,058 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:30:26,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [439148018] [2020-10-27 17:30:26,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:26,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:30:26,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063625380] [2020-10-27 17:30:26,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:30:26,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:26,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:30:26,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:30:26,061 INFO L87 Difference]: Start difference. First operand 4065 states and 5046 transitions. Second operand 5 states. [2020-10-27 17:30:28,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:28,817 INFO L93 Difference]: Finished difference Result 9839 states and 12495 transitions. [2020-10-27 17:30:28,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:28,821 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2020-10-27 17:30:28,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:28,849 INFO L225 Difference]: With dead ends: 9839 [2020-10-27 17:30:28,849 INFO L226 Difference]: Without dead ends: 5780 [2020-10-27 17:30:28,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:28,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5780 states. [2020-10-27 17:30:29,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5780 to 5774. [2020-10-27 17:30:29,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5774 states. [2020-10-27 17:30:29,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5774 states to 5774 states and 7084 transitions. [2020-10-27 17:30:29,030 INFO L78 Accepts]: Start accepts. Automaton has 5774 states and 7084 transitions. Word has length 146 [2020-10-27 17:30:29,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:29,031 INFO L481 AbstractCegarLoop]: Abstraction has 5774 states and 7084 transitions. [2020-10-27 17:30:29,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:30:29,031 INFO L276 IsEmpty]: Start isEmpty. Operand 5774 states and 7084 transitions. [2020-10-27 17:30:29,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-10-27 17:30:29,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:29,038 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:29,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 17:30:29,038 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:29,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:29,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1307810573, now seen corresponding path program 1 times [2020-10-27 17:30:29,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:29,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1392261928] [2020-10-27 17:30:29,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:29,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:29,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:30,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:30,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:30,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-10-27 17:30:30,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:30:30,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1696 [2020-10-27 17:30:30,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:30,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:30,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 226 [2020-10-27 17:30:30,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 17:30:30,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:30,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:30,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:30,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:30,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:30,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:30,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:30:30,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:30,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:30,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:30,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:30,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:30,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:30,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:31,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:31,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:30:31,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:31,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 17:30:31,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:31,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:31,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:31,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:31,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:31,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:30:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:31,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:31,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:31,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 17:30:31,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:31,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 17:30:31,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:31,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:31,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:31,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 17:30:31,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:31,325 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-27 17:30:31,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1392261928] [2020-10-27 17:30:31,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:31,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:30:31,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903856944] [2020-10-27 17:30:31,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:30:31,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:31,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:30:31,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:30:31,328 INFO L87 Difference]: Start difference. First operand 5774 states and 7084 transitions. Second operand 5 states. [2020-10-27 17:30:34,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:34,459 INFO L93 Difference]: Finished difference Result 13639 states and 17168 transitions. [2020-10-27 17:30:34,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:34,461 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 244 [2020-10-27 17:30:34,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:34,497 INFO L225 Difference]: With dead ends: 13639 [2020-10-27 17:30:34,498 INFO L226 Difference]: Without dead ends: 8059 [2020-10-27 17:30:34,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:34,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8059 states. [2020-10-27 17:30:34,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8059 to 7869. [2020-10-27 17:30:34,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7869 states. [2020-10-27 17:30:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7869 states to 7869 states and 9740 transitions. [2020-10-27 17:30:34,731 INFO L78 Accepts]: Start accepts. Automaton has 7869 states and 9740 transitions. Word has length 244 [2020-10-27 17:30:34,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:34,732 INFO L481 AbstractCegarLoop]: Abstraction has 7869 states and 9740 transitions. [2020-10-27 17:30:34,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:30:34,732 INFO L276 IsEmpty]: Start isEmpty. Operand 7869 states and 9740 transitions. [2020-10-27 17:30:34,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-10-27 17:30:34,746 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:34,746 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:34,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 17:30:34,747 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:34,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:34,748 INFO L82 PathProgramCache]: Analyzing trace with hash 295062710, now seen corresponding path program 1 times [2020-10-27 17:30:34,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:34,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [817315201] [2020-10-27 17:30:34,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:34,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:35,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:35,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:36,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:39,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:39,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-10-27 17:30:39,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:30:39,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 17:30:39,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-10-27 17:30:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 17:30:39,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:39,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:39,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:39,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:39,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:39,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:39,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:30:39,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:39,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:39,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:39,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:40,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:40,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:40,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:40,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:40,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 17:30:40,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:40,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 17:30:40,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:40,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:40,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:40,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:40,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:40,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 17:30:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:40,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:40,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:40,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:30:40,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:40,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 17:30:40,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:40,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:40,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:40,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 17:30:40,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:40,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-27 17:30:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:40,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:40,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:40,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 17:30:40,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:40,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-27 17:30:40,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:40,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:40,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:30:40,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-27 17:30:40,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:40,686 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 228 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-27 17:30:40,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [817315201] [2020-10-27 17:30:40,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:40,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:30:40,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523479276] [2020-10-27 17:30:40,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:30:40,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:40,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:30:40,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:30:40,689 INFO L87 Difference]: Start difference. First operand 7869 states and 9740 transitions. Second operand 7 states. [2020-10-27 17:30:44,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:44,202 INFO L93 Difference]: Finished difference Result 18499 states and 23743 transitions. [2020-10-27 17:30:44,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 17:30:44,209 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 309 [2020-10-27 17:30:44,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:44,252 INFO L225 Difference]: With dead ends: 18499 [2020-10-27 17:30:44,252 INFO L226 Difference]: Without dead ends: 10824 [2020-10-27 17:30:44,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:30:44,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10824 states. [2020-10-27 17:30:44,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10824 to 10598. [2020-10-27 17:30:44,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10598 states. [2020-10-27 17:30:44,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10598 states to 10598 states and 13232 transitions. [2020-10-27 17:30:44,538 INFO L78 Accepts]: Start accepts. Automaton has 10598 states and 13232 transitions. Word has length 309 [2020-10-27 17:30:44,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:44,539 INFO L481 AbstractCegarLoop]: Abstraction has 10598 states and 13232 transitions. [2020-10-27 17:30:44,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:30:44,539 INFO L276 IsEmpty]: Start isEmpty. Operand 10598 states and 13232 transitions. [2020-10-27 17:30:44,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-10-27 17:30:44,558 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:44,558 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:44,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 17:30:44,559 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:44,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:44,559 INFO L82 PathProgramCache]: Analyzing trace with hash -468325866, now seen corresponding path program 1 times [2020-10-27 17:30:44,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:44,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147307234] [2020-10-27 17:30:44,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:44,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:44,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:45,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:46,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:47,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:49,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:49,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 346 [2020-10-27 17:30:49,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 17:30:49,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 17:30:49,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:49,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:49,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 314 [2020-10-27 17:30:49,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 17:30:49,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:49,857 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-27 17:30:49,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:49,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:49,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:49,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:49,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:49,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:30:49,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:49,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:49,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:49,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:49,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:49,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:49,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:49,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:49,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 17:30:49,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:49,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 17:30:49,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:49,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:49,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:49,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:49,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:30:50,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 17:30:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:50,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:50,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:50,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:30:50,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:50,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 17:30:50,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:50,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:50,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:50,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:50,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:50,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-27 17:30:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:50,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:50,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:50,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 17:30:50,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:50,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-27 17:30:50,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 17:30:50,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:50,304 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 69 proven. 3 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2020-10-27 17:30:50,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1147307234] [2020-10-27 17:30:50,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:50,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:30:50,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864218432] [2020-10-27 17:30:50,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:30:50,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:50,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:30:50,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:30:50,307 INFO L87 Difference]: Start difference. First operand 10598 states and 13232 transitions. Second operand 5 states. [2020-10-27 17:30:53,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:53,632 INFO L93 Difference]: Finished difference Result 22348 states and 28197 transitions. [2020-10-27 17:30:53,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:53,633 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 330 [2020-10-27 17:30:53,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:53,636 INFO L225 Difference]: With dead ends: 22348 [2020-10-27 17:30:53,636 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 17:30:53,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:53,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 17:30:53,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 17:30:53,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 17:30:53,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 17:30:53,680 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 330 [2020-10-27 17:30:53,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:53,680 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 17:30:53,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:30:53,680 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 17:30:53,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 17:30:53,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 17:30:53,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 17:30:54,624 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 42 [2020-10-27 17:30:54,907 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 42 [2020-10-27 17:30:55,035 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2020-10-27 17:30:55,913 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 43 [2020-10-27 17:30:56,376 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 34 [2020-10-27 17:30:56,553 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 17:30:56,553 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 17:30:56,553 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 17:30:56,553 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 17:30:56,553 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:30:56,554 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a23~0 |old(~a23~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#valid)| |#valid|) (= ~a3~0 |old(~a3~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-27 17:30:56,554 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:30:56,554 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,554 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,554 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,554 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,554 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-27 17:30:56,555 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-27 17:30:56,555 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,555 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,555 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,555 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,555 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,555 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,555 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-27 17:30:56,556 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-27 17:30:56,556 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-27 17:30:56,556 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,556 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,556 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,556 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,556 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,556 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,556 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,557 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-27 17:30:56,557 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-27 17:30:56,557 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-27 17:30:56,557 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,557 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,557 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,557 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,557 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,557 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,557 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,558 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,558 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,558 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-27 17:30:56,558 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-27 17:30:56,558 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-27 17:30:56,558 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,558 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,558 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,558 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,558 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,558 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,558 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,559 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,559 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,559 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-27 17:30:56,559 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-27 17:30:56,559 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-27 17:30:56,559 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-27 17:30:56,559 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-27 17:30:56,559 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-27 17:30:56,559 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-27 17:30:56,559 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,559 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,559 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,559 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,559 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,560 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,560 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,560 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,560 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,560 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,560 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-27 17:30:56,560 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-27 17:30:56,560 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-27 17:30:56,560 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,560 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,561 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,561 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,561 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,561 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,561 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-27 17:30:56,561 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-27 17:30:56,562 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-27 17:30:56,562 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,562 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,562 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,562 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,562 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-27 17:30:56,562 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-27 17:30:56,562 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,562 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,562 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,563 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,563 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,563 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,563 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-27 17:30:56,563 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-27 17:30:56,563 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,563 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,563 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-27 17:30:56,563 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-27 17:30:56,563 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-27 17:30:56,563 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,564 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,564 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,564 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,564 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,564 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,564 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,564 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-27 17:30:56,564 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-27 17:30:56,564 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-27 17:30:56,564 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-27 17:30:56,564 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-27 17:30:56,564 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-27 17:30:56,565 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-27 17:30:56,565 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,565 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse0 (not (<= ~a8~0 15))) (.cse1 (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)))) (and (or .cse0 (not (<= |old(~a25~0)| 11)) .cse1) (or .cse0 (not (= 13 |old(~a25~0)|)) .cse1) (or .cse0 .cse1 (not (<= |old(~a29~0)| 130))) (or .cse0 (and (not (< 1 |old(~a4~0)|)) (not (<= |old(~a4~0)| 0))) .cse1) (or .cse0 (not (<= 0 (+ |old(~a23~0)| 42))) .cse1))) [2020-10-27 17:30:56,565 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,565 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-27 17:30:56,565 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-27 17:30:56,565 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,565 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,565 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,566 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,566 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,566 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-27 17:30:56,566 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-27 17:30:56,566 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-27 17:30:56,566 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,566 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,566 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,566 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,566 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,566 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,567 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-27 17:30:56,567 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-27 17:30:56,567 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-27 17:30:56,567 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,567 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,567 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,567 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,567 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,567 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,567 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,567 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,568 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-27 17:30:56,568 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-27 17:30:56,568 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-27 17:30:56,568 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,568 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,568 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,568 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,568 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,568 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,568 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,568 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,569 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,569 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,569 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,569 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-27 17:30:56,569 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-27 17:30:56,569 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-27 17:30:56,569 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-27 17:30:56,569 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-27 17:30:56,569 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,569 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,569 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,570 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,570 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,570 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,570 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,570 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-27 17:30:56,570 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-27 17:30:56,570 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-27 17:30:56,570 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,570 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,570 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,570 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-27 17:30:56,571 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-27 17:30:56,571 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,571 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,571 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,571 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,571 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,571 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-27 17:30:56,571 INFO L270 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (not (<= ~a8~0 15)))) (and (or .cse0 (not (<= |old(~a29~0)| 130))) (or .cse0 (not (= 13 |old(~a25~0)|))) (or .cse0 (not (<= |old(~a25~0)| 11))) (or .cse0 (and (not (< 1 |old(~a4~0)|)) (not (<= |old(~a4~0)| 0)))) (or .cse0 (not (<= 0 (+ |old(~a23~0)| 42)))))) [2020-10-27 17:30:56,571 INFO L274 CegarLoopResult]: For program point L77-1(line 77) no Hoare annotation was computed. [2020-10-27 17:30:56,572 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,572 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,572 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-27 17:30:56,572 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-27 17:30:56,572 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,572 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,572 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,572 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,572 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,572 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,572 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-27 17:30:56,573 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-27 17:30:56,573 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-27 17:30:56,573 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-27 17:30:56,573 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,573 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,573 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,573 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,573 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,573 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,573 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,573 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,574 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-27 17:30:56,574 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-27 17:30:56,574 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-27 17:30:56,574 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-27 17:30:56,574 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-27 17:30:56,574 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-27 17:30:56,574 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,574 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,574 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,574 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,574 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,575 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,575 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,575 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,575 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-27 17:30:56,575 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-27 17:30:56,575 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,575 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,575 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,575 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,575 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,575 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,575 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-27 17:30:56,576 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-27 17:30:56,576 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,576 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,576 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,576 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,576 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,576 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,576 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,576 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-27 17:30:56,576 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,576 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,577 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,578 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-27 17:30:56,579 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-27 17:30:56,580 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-27 17:30:56,580 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,580 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-27 17:30:56,580 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,580 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-27 17:30:56,581 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,581 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,581 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,581 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,584 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,584 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,584 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-27 17:30:56,584 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-27 17:30:56,584 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-27 17:30:56,584 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,584 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,584 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,585 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,585 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,585 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,585 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,585 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,585 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,585 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,585 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-27 17:30:56,585 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-27 17:30:56,585 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-27 17:30:56,585 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,585 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-27 17:30:56,586 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-27 17:30:56,586 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,586 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,586 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:56,586 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,586 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,586 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-27 17:30:56,586 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-27 17:30:56,586 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-27 17:30:56,586 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-27 17:30:56,586 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:30:56,587 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 10) (<= 307 ~a23~0) (<= ~a29~0 130) (<= ~a8~0 15)) [2020-10-27 17:30:56,587 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 17:30:56,587 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:30:56,587 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (<= ~a8~0 15)) (not (<= 307 |old(~a23~0)|)) (not (= 10 |old(~a25~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)) (not (<= |old(~a29~0)| 130))) [2020-10-27 17:30:56,587 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-27 17:30:56,587 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (or (<= ~a4~0 0) (= ~a25~0 13) (<= 0 (+ ~a23~0 42)) (not (<= ~a8~0 15)) (< 1 ~a4~0) (not (<= 307 |old(~a23~0)|)) (<= ~a29~0 130) (not (= 10 |old(~a25~0)|)) (<= ~a25~0 11) (not (<= |old(~a29~0)| 130))) [2020-10-27 17:30:56,587 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-27 17:30:56,588 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-27 17:30:56,588 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (or (<= ~a4~0 0) (= ~a25~0 13) (<= 0 (+ ~a23~0 42)) (not (<= ~a8~0 15)) (< 1 ~a4~0) (not (<= 307 |old(~a23~0)|)) (<= ~a29~0 130) (not (= 10 |old(~a25~0)|)) (<= ~a25~0 11) (not (<= |old(~a29~0)| 130))) [2020-10-27 17:30:56,588 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-27 17:30:56,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:30:56 BoogieIcfgContainer [2020-10-27 17:30:56,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:30:56,627 INFO L168 Benchmark]: Toolchain (without parser) took 72265.49 ms. Allocated memory was 151.0 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 123.0 MB in the beginning and 711.7 MB in the end (delta: -588.7 MB). Peak memory consumption was 647.6 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:56,628 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 123.2 MB in the beginning and 123.1 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:30:56,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 980.89 ms. Allocated memory is still 151.0 MB. Free memory was 122.3 MB in the beginning and 110.3 MB in the end (delta: 12.0 MB). Peak memory consumption was 27.9 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:56,630 INFO L168 Benchmark]: Boogie Preprocessor took 160.17 ms. Allocated memory is still 151.0 MB. Free memory was 110.3 MB in the beginning and 102.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:56,635 INFO L168 Benchmark]: RCFGBuilder took 2046.51 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 102.3 MB in the beginning and 112.7 MB in the end (delta: -10.4 MB). Peak memory consumption was 74.7 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:56,637 INFO L168 Benchmark]: TraceAbstraction took 69058.81 ms. Allocated memory was 182.5 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 112.2 MB in the beginning and 711.7 MB in the end (delta: -599.5 MB). Peak memory consumption was 604.8 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:56,644 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 123.2 MB in the beginning and 123.1 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 980.89 ms. Allocated memory is still 151.0 MB. Free memory was 122.3 MB in the beginning and 110.3 MB in the end (delta: 12.0 MB). Peak memory consumption was 27.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 160.17 ms. Allocated memory is still 151.0 MB. Free memory was 110.3 MB in the beginning and 102.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2046.51 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 102.3 MB in the beginning and 112.7 MB in the end (delta: -10.4 MB). Peak memory consumption was 74.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 69058.81 ms. Allocated memory was 182.5 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 112.2 MB in the beginning and 711.7 MB in the end (delta: -599.5 MB). Peak memory consumption was 604.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: ((((((((a4 <= 0 || a25 == 13) || 0 <= a23 + 42) || !(a8 <= 15)) || 1 < a4) || !(307 <= \old(a23))) || a29 <= 130) || !(10 == \old(a25))) || a25 <= 11) || !(\old(a29) <= 130) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 66.0s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 36.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 506 SDtfs, 5590 SDslu, 615 SDs, 0 SdLazy, 13357 SolverSat, 1615 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 88 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10598occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 522 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 546 PreInvPairs, 672 NumberOfFragments, 357 HoareAnnotationTreeSize, 546 FomulaSimplifications, 214048 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 8064 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 27.0s InterpolantComputationTime, 1908 NumberOfCodeBlocks, 1908 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1896 ConstructedInterpolants, 0 QuantifiedInterpolants, 736752 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 930/945 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...