/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/Problem10_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:28:21,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:28:21,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:28:21,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:28:21,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:28:21,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:28:21,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:28:21,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:28:21,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:28:21,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:28:21,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:28:21,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:28:21,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:28:21,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:28:21,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:28:21,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:28:21,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:28:21,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:28:21,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:28:21,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:28:21,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:28:21,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:28:21,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:28:21,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:28:21,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:28:21,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:28:21,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:28:21,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:28:21,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:28:21,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:28:21,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:28:21,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:28:21,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:28:21,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:28:21,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:28:21,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:28:21,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:28:21,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:28:21,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:28:21,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:28:21,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:28:21,603 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 17:28:21,666 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:28:21,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:28:21,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:28:21,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:28:21,672 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:28:21,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:28:21,672 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:28:21,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:28:21,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:28:21,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:28:21,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:28:21,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:28:21,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:28:21,675 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:28:21,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:28:21,675 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:28:21,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:28:21,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:28:21,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:28:21,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:28:21,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:28:21,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:28:21,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:28:21,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:28:21,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:28:21,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:28:21,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:28:21,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:28:21,679 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:28:21,679 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:28:22,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:28:22,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:28:22,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:28:22,172 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:28:22,173 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:28:22,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-10-27 17:28:22,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20f0339bb/1e2b342092fe4de2be13aa57b97c9fde/FLAGe57800723 [2020-10-27 17:28:22,998 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:28:22,999 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-10-27 17:28:23,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20f0339bb/1e2b342092fe4de2be13aa57b97c9fde/FLAGe57800723 [2020-10-27 17:28:23,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20f0339bb/1e2b342092fe4de2be13aa57b97c9fde [2020-10-27 17:28:23,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:28:23,269 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:28:23,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:28:23,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:28:23,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:28:23,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:28:23" (1/1) ... [2020-10-27 17:28:23,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f610e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:23, skipping insertion in model container [2020-10-27 17:28:23,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:28:23" (1/1) ... [2020-10-27 17:28:23,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:28:23,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:28:23,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:28:23,809 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:28:23,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:28:23,963 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:28:23,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:23 WrapperNode [2020-10-27 17:28:23,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:28:23,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:28:23,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:28:23,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:28:23,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:23" (1/1) ... [2020-10-27 17:28:23,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:23" (1/1) ... [2020-10-27 17:28:24,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:23" (1/1) ... [2020-10-27 17:28:24,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:23" (1/1) ... [2020-10-27 17:28:24,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:23" (1/1) ... [2020-10-27 17:28:24,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:23" (1/1) ... [2020-10-27 17:28:24,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:23" (1/1) ... [2020-10-27 17:28:24,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:28:24,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:28:24,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:28:24,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:28:24,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:23" (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 17:28:24,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:28:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:28:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:28:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:28:24,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:28:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:28:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:28:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:28:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:28:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:28:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:28:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:28:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:28:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:28:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:28:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:28:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:28:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:28:24,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:28:25,567 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:28:25,567 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:28:25,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:28:25 BoogieIcfgContainer [2020-10-27 17:28:25,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:28:25,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:28:25,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:28:25,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:28:25,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:28:23" (1/3) ... [2020-10-27 17:28:25,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f819d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:28:25, skipping insertion in model container [2020-10-27 17:28:25,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:23" (2/3) ... [2020-10-27 17:28:25,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f819d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:28:25, skipping insertion in model container [2020-10-27 17:28:25,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:28:25" (3/3) ... [2020-10-27 17:28:25,580 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2020-10-27 17:28:25,592 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:28:25,598 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:28:25,620 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:28:25,652 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:28:25,652 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:28:25,652 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:28:25,652 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:28:25,652 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:28:25,653 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:28:25,653 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:28:25,653 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:28:25,678 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-27 17:28:25,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-27 17:28:25,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:25,686 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:28:25,687 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:25,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:25,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1695836620, now seen corresponding path program 1 times [2020-10-27 17:28:25,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:25,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1772637806] [2020-10-27 17:28:25,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:26,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:26,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:26,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-27 17:28:26,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:26,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 817 [2020-10-27 17:28:26,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:26,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:28:26,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:28:26,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 17:28:26,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 17:28:26,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:26,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:26,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:26,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:26,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:26,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 17:28:26,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:26,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:26,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:26,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:28:26,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:28:26,992 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 17:28:26,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1772637806] [2020-10-27 17:28:26,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:28:26,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 17:28:26,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057041412] [2020-10-27 17:28:27,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 17:28:27,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:27,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 17:28:27,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 17:28:27,030 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-27 17:28:29,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:29,108 INFO L93 Difference]: Finished difference Result 586 states and 1013 transitions. [2020-10-27 17:28:29,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:29,110 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-10-27 17:28:29,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:29,126 INFO L225 Difference]: With dead ends: 586 [2020-10-27 17:28:29,127 INFO L226 Difference]: Without dead ends: 303 [2020-10-27 17:28:29,135 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 17:28:29,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-27 17:28:29,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2020-10-27 17:28:29,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-27 17:28:29,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 424 transitions. [2020-10-27 17:28:29,221 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 424 transitions. Word has length 42 [2020-10-27 17:28:29,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:29,222 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 424 transitions. [2020-10-27 17:28:29,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 17:28:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 424 transitions. [2020-10-27 17:28:29,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-27 17:28:29,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:29,229 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:29,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:28:29,229 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:29,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:29,230 INFO L82 PathProgramCache]: Analyzing trace with hash 292379348, now seen corresponding path program 1 times [2020-10-27 17:28:29,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:29,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1228715029] [2020-10-27 17:28:29,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:29,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:29,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:29,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:30,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:30,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 17:28:30,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:28:30,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1163 [2020-10-27 17:28:30,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:30,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:30,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-27 17:28:30,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 17:28:30,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:28:30,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:30,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:30,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:30,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:30,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:30,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 17:28:30,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:30,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:30,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:30,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:30,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:30,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:30,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:30,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:30,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:28:30,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:30,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-27 17:28:30,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:30,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:30,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:30,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 17:28:30,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:28:30,829 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:28:30,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1228715029] [2020-10-27 17:28:30,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:30,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:30,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174435013] [2020-10-27 17:28:30,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:30,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:30,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:30,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:30,834 INFO L87 Difference]: Start difference. First operand 297 states and 424 transitions. Second operand 5 states. [2020-10-27 17:28:32,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:32,612 INFO L93 Difference]: Finished difference Result 739 states and 1081 transitions. [2020-10-27 17:28:32,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:32,615 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 114 [2020-10-27 17:28:32,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:32,620 INFO L225 Difference]: With dead ends: 739 [2020-10-27 17:28:32,620 INFO L226 Difference]: Without dead ends: 448 [2020-10-27 17:28:32,622 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 17:28:32,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-10-27 17:28:32,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 444. [2020-10-27 17:28:32,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-10-27 17:28:32,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 602 transitions. [2020-10-27 17:28:32,667 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 602 transitions. Word has length 114 [2020-10-27 17:28:32,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:32,668 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 602 transitions. [2020-10-27 17:28:32,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:32,668 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 602 transitions. [2020-10-27 17:28:32,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-27 17:28:32,674 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:32,674 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:32,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:28:32,675 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:32,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:32,675 INFO L82 PathProgramCache]: Analyzing trace with hash -2048344808, now seen corresponding path program 1 times [2020-10-27 17:28:32,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:32,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1922620183] [2020-10-27 17:28:32,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:32,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:32,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:33,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:33,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 17:28:33,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:28:33,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 621 [2020-10-27 17:28:33,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:33,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:33,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 17:28:33,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 17:28:33,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:33,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:33,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:33,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:33,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:33,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:33,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:28:33,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:33,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:33,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:33,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:33,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:33,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:33,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:33,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:33,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 17:28:33,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:33,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-27 17:28:33,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:33,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:33,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:33,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 17:28:33,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:33,779 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:28:33,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1922620183] [2020-10-27 17:28:33,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:33,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:33,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647580117] [2020-10-27 17:28:33,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:33,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:33,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:33,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:33,785 INFO L87 Difference]: Start difference. First operand 444 states and 602 transitions. Second operand 5 states. [2020-10-27 17:28:34,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:34,933 INFO L93 Difference]: Finished difference Result 909 states and 1237 transitions. [2020-10-27 17:28:34,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:34,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2020-10-27 17:28:34,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:34,938 INFO L225 Difference]: With dead ends: 909 [2020-10-27 17:28:34,938 INFO L226 Difference]: Without dead ends: 448 [2020-10-27 17:28:34,940 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 17:28:34,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-10-27 17:28:34,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 444. [2020-10-27 17:28:34,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-10-27 17:28:34,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 600 transitions. [2020-10-27 17:28:34,970 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 600 transitions. Word has length 121 [2020-10-27 17:28:34,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:34,971 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 600 transitions. [2020-10-27 17:28:34,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:34,971 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 600 transitions. [2020-10-27 17:28:34,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-27 17:28:34,974 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:34,975 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:34,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:28:34,975 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:34,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:34,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1534255552, now seen corresponding path program 1 times [2020-10-27 17:28:34,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:34,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056458319] [2020-10-27 17:28:34,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:35,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:35,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:35,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:36,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:36,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-27 17:28:36,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:28:36,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1734 [2020-10-27 17:28:36,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:36,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:36,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-27 17:28:36,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 17:28:36,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:36,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:36,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:36,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:36,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:36,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:36,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:28:36,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:36,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:36,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:36,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:36,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:36,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:37,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:37,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:37,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-27 17:28:37,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:37,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 17:28:37,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:37,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:37,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:37,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 17:28:37,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:37,143 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:28:37,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056458319] [2020-10-27 17:28:37,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:37,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:37,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421665218] [2020-10-27 17:28:37,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:37,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:37,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:37,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:37,147 INFO L87 Difference]: Start difference. First operand 444 states and 600 transitions. Second operand 5 states. [2020-10-27 17:28:38,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:38,443 INFO L93 Difference]: Finished difference Result 902 states and 1226 transitions. [2020-10-27 17:28:38,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:38,444 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-10-27 17:28:38,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:38,450 INFO L225 Difference]: With dead ends: 902 [2020-10-27 17:28:38,450 INFO L226 Difference]: Without dead ends: 448 [2020-10-27 17:28:38,454 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:28:38,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-10-27 17:28:38,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 444. [2020-10-27 17:28:38,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-10-27 17:28:38,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 598 transitions. [2020-10-27 17:28:38,493 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 598 transitions. Word has length 124 [2020-10-27 17:28:38,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:38,495 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 598 transitions. [2020-10-27 17:28:38,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:38,495 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 598 transitions. [2020-10-27 17:28:38,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-27 17:28:38,504 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:38,504 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:38,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:28:38,509 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:38,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:38,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1525232688, now seen corresponding path program 1 times [2020-10-27 17:28:38,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:38,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1152442995] [2020-10-27 17:28:38,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:38,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:38,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:39,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:39,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:39,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:39,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 17:28:39,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:28:39,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1400 [2020-10-27 17:28:39,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:39,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:39,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-27 17:28:39,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 17:28:39,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:40,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:40,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:40,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:40,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:40,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:40,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:28:40,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:40,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:40,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:40,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:40,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:40,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:40,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:40,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:40,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 17:28:40,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:40,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-27 17:28:40,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 17:28:40,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:40,274 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:28:40,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1152442995] [2020-10-27 17:28:40,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:40,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:40,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521506870] [2020-10-27 17:28:40,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:40,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:40,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:40,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:40,277 INFO L87 Difference]: Start difference. First operand 444 states and 598 transitions. Second operand 5 states. [2020-10-27 17:28:42,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:42,125 INFO L93 Difference]: Finished difference Result 1180 states and 1650 transitions. [2020-10-27 17:28:42,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:42,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-10-27 17:28:42,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:42,135 INFO L225 Difference]: With dead ends: 1180 [2020-10-27 17:28:42,137 INFO L226 Difference]: Without dead ends: 742 [2020-10-27 17:28:42,145 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 17:28:42,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2020-10-27 17:28:42,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 734. [2020-10-27 17:28:42,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-10-27 17:28:42,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 931 transitions. [2020-10-27 17:28:42,197 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 931 transitions. Word has length 132 [2020-10-27 17:28:42,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:42,198 INFO L481 AbstractCegarLoop]: Abstraction has 734 states and 931 transitions. [2020-10-27 17:28:42,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:42,198 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 931 transitions. [2020-10-27 17:28:42,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-27 17:28:42,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:42,204 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:42,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:28:42,205 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:42,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:42,206 INFO L82 PathProgramCache]: Analyzing trace with hash 788285984, now seen corresponding path program 1 times [2020-10-27 17:28:42,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:42,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [890038024] [2020-10-27 17:28:42,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:42,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:42,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:43,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:43,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:43,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-27 17:28:43,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:28:43,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1297 [2020-10-27 17:28:43,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:43,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:43,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-27 17:28:43,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 17:28:43,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:43,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:43,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:43,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:43,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:43,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:43,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 17:28:43,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:43,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:43,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:43,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:43,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:43,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:43,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:43,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:43,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 17:28:43,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:43,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 17:28:43,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:43,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:43,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:43,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 17:28:43,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:43,978 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:28:43,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [890038024] [2020-10-27 17:28:43,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:43,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:43,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648944458] [2020-10-27 17:28:43,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:43,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:43,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:43,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:43,982 INFO L87 Difference]: Start difference. First operand 734 states and 931 transitions. Second operand 5 states. [2020-10-27 17:28:45,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:45,265 INFO L93 Difference]: Finished difference Result 1487 states and 1904 transitions. [2020-10-27 17:28:45,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:45,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-10-27 17:28:45,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:45,270 INFO L225 Difference]: With dead ends: 1487 [2020-10-27 17:28:45,270 INFO L226 Difference]: Without dead ends: 742 [2020-10-27 17:28:45,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 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 17:28:45,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2020-10-27 17:28:45,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 734. [2020-10-27 17:28:45,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-10-27 17:28:45,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 929 transitions. [2020-10-27 17:28:45,306 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 929 transitions. Word has length 140 [2020-10-27 17:28:45,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:45,306 INFO L481 AbstractCegarLoop]: Abstraction has 734 states and 929 transitions. [2020-10-27 17:28:45,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:45,306 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 929 transitions. [2020-10-27 17:28:45,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-27 17:28:45,309 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:45,310 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:45,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:28:45,310 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:45,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:45,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1309669244, now seen corresponding path program 1 times [2020-10-27 17:28:45,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:45,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327678996] [2020-10-27 17:28:45,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:45,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:45,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:46,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:46,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:46,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-27 17:28:46,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:28:46,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1160 [2020-10-27 17:28:46,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:46,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:46,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 17:28:46,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 17:28:46,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:46,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:46,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:46,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:46,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:46,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:46,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:28:46,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:46,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:46,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:46,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:46,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:46,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:46,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:46,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:46,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 17:28:46,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:46,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 17:28:46,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:46,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:46,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:46,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-27 17:28:46,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:46,880 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:28:46,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327678996] [2020-10-27 17:28:46,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:46,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:46,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748526478] [2020-10-27 17:28:46,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:46,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:46,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:46,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:46,883 INFO L87 Difference]: Start difference. First operand 734 states and 929 transitions. Second operand 5 states. [2020-10-27 17:28:48,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:48,451 INFO L93 Difference]: Finished difference Result 1901 states and 2488 transitions. [2020-10-27 17:28:48,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:48,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2020-10-27 17:28:48,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:48,465 INFO L225 Difference]: With dead ends: 1901 [2020-10-27 17:28:48,465 INFO L226 Difference]: Without dead ends: 1173 [2020-10-27 17:28:48,468 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 17:28:48,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2020-10-27 17:28:48,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1169. [2020-10-27 17:28:48,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1169 states. [2020-10-27 17:28:48,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1421 transitions. [2020-10-27 17:28:48,509 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1421 transitions. Word has length 154 [2020-10-27 17:28:48,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:48,510 INFO L481 AbstractCegarLoop]: Abstraction has 1169 states and 1421 transitions. [2020-10-27 17:28:48,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:48,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1421 transitions. [2020-10-27 17:28:48,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-27 17:28:48,514 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:48,515 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:28:48,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 17:28:48,515 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:48,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:48,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1853649188, now seen corresponding path program 1 times [2020-10-27 17:28:48,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:48,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994257994] [2020-10-27 17:28:48,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:48,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:48,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:48,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:50,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:50,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-27 17:28:50,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:28:50,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2217 [2020-10-27 17:28:50,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:50,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:50,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-10-27 17:28:50,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 17:28:50,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:50,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:50,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:50,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:50,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:50,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:50,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:28:50,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:50,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:50,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:50,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:50,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:50,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:50,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:50,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:50,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 17:28:50,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:50,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 17:28:50,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:50,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:50,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:50,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:50,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:50,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 17:28:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:51,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:51,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:51,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 17:28:51,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:51,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-27 17:28:51,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:51,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:51,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:51,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-27 17:28:51,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:51,204 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-27 17:28:51,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994257994] [2020-10-27 17:28:51,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:51,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:51,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154468620] [2020-10-27 17:28:51,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:51,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:51,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:51,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:51,207 INFO L87 Difference]: Start difference. First operand 1169 states and 1421 transitions. Second operand 5 states. [2020-10-27 17:28:52,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:52,943 INFO L93 Difference]: Finished difference Result 2626 states and 3295 transitions. [2020-10-27 17:28:52,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:52,944 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 231 [2020-10-27 17:28:52,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:52,954 INFO L225 Difference]: With dead ends: 2626 [2020-10-27 17:28:52,954 INFO L226 Difference]: Without dead ends: 1463 [2020-10-27 17:28:52,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:28:52,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2020-10-27 17:28:53,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1316. [2020-10-27 17:28:53,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1316 states. [2020-10-27 17:28:53,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1595 transitions. [2020-10-27 17:28:53,020 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1595 transitions. Word has length 231 [2020-10-27 17:28:53,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:53,020 INFO L481 AbstractCegarLoop]: Abstraction has 1316 states and 1595 transitions. [2020-10-27 17:28:53,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:53,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1595 transitions. [2020-10-27 17:28:53,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-27 17:28:53,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:53,026 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:28:53,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 17:28:53,027 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:53,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:53,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1728244620, now seen corresponding path program 1 times [2020-10-27 17:28:53,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:53,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338697712] [2020-10-27 17:28:53,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:53,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:53,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:53,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:53,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:56,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:58,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:58,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-27 17:28:58,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 17:28:58,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 17:28:58,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:58,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:58,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 202 [2020-10-27 17:28:58,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 17:28:58,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:58,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:58,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:58,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:58,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:58,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:58,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 17:28:58,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:58,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:58,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:58,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:58,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:58,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-27 17:28:58,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:58,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 17:28:58,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:58,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:58,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:58,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:58,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 17:28:58,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 17:28:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:58,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:58,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:58,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:28:58,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:58,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 17:28:58,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 17:28:58,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:58,550 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-27 17:28:58,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1338697712] [2020-10-27 17:28:58,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:58,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:58,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997112770] [2020-10-27 17:28:58,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:58,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:58,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:58,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:58,559 INFO L87 Difference]: Start difference. First operand 1316 states and 1595 transitions. Second operand 5 states. [2020-10-27 17:28:59,525 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-27 17:28:59,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:59,850 INFO L93 Difference]: Finished difference Result 2639 states and 3220 transitions. [2020-10-27 17:28:59,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:59,851 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2020-10-27 17:28:59,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:59,861 INFO L225 Difference]: With dead ends: 2639 [2020-10-27 17:28:59,862 INFO L226 Difference]: Without dead ends: 1320 [2020-10-27 17:28:59,867 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 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 17:28:59,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2020-10-27 17:28:59,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1316. [2020-10-27 17:28:59,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1316 states. [2020-10-27 17:28:59,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1591 transitions. [2020-10-27 17:28:59,932 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1591 transitions. Word has length 232 [2020-10-27 17:28:59,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:59,933 INFO L481 AbstractCegarLoop]: Abstraction has 1316 states and 1591 transitions. [2020-10-27 17:28:59,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:59,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1591 transitions. [2020-10-27 17:28:59,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-10-27 17:28:59,942 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:59,942 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:28:59,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 17:28:59,943 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:59,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:59,944 INFO L82 PathProgramCache]: Analyzing trace with hash 744287608, now seen corresponding path program 1 times [2020-10-27 17:28:59,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:59,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [203530958] [2020-10-27 17:28:59,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:00,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:00,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:00,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:01,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:01,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-10-27 17:29:01,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:29:01,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1018 [2020-10-27 17:29:01,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:01,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:01,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 218 [2020-10-27 17:29:01,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 17:29:01,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:29:01,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:01,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:01,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:01,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:01,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:01,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:29:01,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:01,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:01,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:01,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:01,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:01,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:01,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 17:29:01,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:01,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 17:29:01,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:01,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:01,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:01,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:01,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:01,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 17:29:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:01,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:01,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:01,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 17:29:01,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:01,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-27 17:29:01,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:01,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:01,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:01,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 17:29:01,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-27 17:29:01,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [203530958] [2020-10-27 17:29:01,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:01,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:01,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768828789] [2020-10-27 17:29:01,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:01,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:01,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:01,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:01,497 INFO L87 Difference]: Start difference. First operand 1316 states and 1591 transitions. Second operand 5 states. [2020-10-27 17:29:03,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:03,192 INFO L93 Difference]: Finished difference Result 2920 states and 3645 transitions. [2020-10-27 17:29:03,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:03,198 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 248 [2020-10-27 17:29:03,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:03,210 INFO L225 Difference]: With dead ends: 2920 [2020-10-27 17:29:03,236 INFO L226 Difference]: Without dead ends: 1610 [2020-10-27 17:29:03,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:29:03,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2020-10-27 17:29:03,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1463. [2020-10-27 17:29:03,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1463 states. [2020-10-27 17:29:03,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1463 states and 1784 transitions. [2020-10-27 17:29:03,308 INFO L78 Accepts]: Start accepts. Automaton has 1463 states and 1784 transitions. Word has length 248 [2020-10-27 17:29:03,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:03,309 INFO L481 AbstractCegarLoop]: Abstraction has 1463 states and 1784 transitions. [2020-10-27 17:29:03,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:03,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1784 transitions. [2020-10-27 17:29:03,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-10-27 17:29:03,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:03,317 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:03,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 17:29:03,318 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:03,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:03,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1814212488, now seen corresponding path program 1 times [2020-10-27 17:29:03,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:03,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [319685754] [2020-10-27 17:29:03,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:03,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:03,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:03,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:05,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:05,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:08,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:08,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-10-27 17:29:08,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 17:29:08,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 17:29:08,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:08,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-10-27 17:29:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 17:29:08,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:08,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:08,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:08,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:08,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:08,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:08,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:29:08,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:08,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:08,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:08,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:08,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:08,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:08,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:08,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:08,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-27 17:29:08,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:08,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 17:29:08,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:08,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:08,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:08,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:08,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:08,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 17:29:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:08,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:08,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:08,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-27 17:29:08,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:08,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 17:29:08,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:08,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:08,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:08,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-27 17:29:08,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:29:08,875 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-10-27 17:29:08,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [319685754] [2020-10-27 17:29:08,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:08,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:08,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815603617] [2020-10-27 17:29:08,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:08,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:08,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:08,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:08,878 INFO L87 Difference]: Start difference. First operand 1463 states and 1784 transitions. Second operand 5 states. [2020-10-27 17:29:10,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:10,102 INFO L93 Difference]: Finished difference Result 2794 states and 3373 transitions. [2020-10-27 17:29:10,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:10,110 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 281 [2020-10-27 17:29:10,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:10,111 INFO L225 Difference]: With dead ends: 2794 [2020-10-27 17:29:10,111 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 17:29:10,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:29:10,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 17:29:10,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 17:29:10,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 17:29:10,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 17:29:10,119 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 281 [2020-10-27 17:29:10,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:10,119 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 17:29:10,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:10,119 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 17:29:10,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 17:29:10,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 17:29:10,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 17:29:10,465 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 39 [2020-10-27 17:29:10,952 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 39 [2020-10-27 17:29:11,150 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-27 17:29:11,841 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 69 [2020-10-27 17:29:12,050 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 54 [2020-10-27 17:29:12,170 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-27 17:29:12,174 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 17:29:12,175 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 17:29:12,175 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 17:29:12,175 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 17:29:12,175 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:29:12,176 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-27 17:29:12,176 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:29:12,176 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-27 17:29:12,176 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-27 17:29:12,176 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-27 17:29:12,176 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-27 17:29:12,176 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-27 17:29:12,176 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-27 17:29:12,177 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-27 17:29:12,177 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-27 17:29:12,177 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-27 17:29:12,177 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-27 17:29:12,177 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-27 17:29:12,177 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-27 17:29:12,177 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-27 17:29:12,177 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,177 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,178 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,178 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,178 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,178 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,178 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-27 17:29:12,178 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-27 17:29:12,178 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-27 17:29:12,178 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-27 17:29:12,178 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-27 17:29:12,178 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-27 17:29:12,179 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-27 17:29:12,179 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-27 17:29:12,179 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-27 17:29:12,179 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-27 17:29:12,179 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-27 17:29:12,179 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,179 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,179 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,179 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,179 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,179 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-27 17:29:12,180 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-27 17:29:12,180 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-27 17:29:12,180 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-27 17:29:12,180 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-27 17:29:12,180 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-27 17:29:12,180 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-27 17:29:12,180 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-27 17:29:12,180 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-27 17:29:12,180 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-27 17:29:12,180 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-27 17:29:12,180 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-27 17:29:12,181 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-27 17:29:12,181 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-27 17:29:12,181 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,181 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,181 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,181 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,181 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,181 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-27 17:29:12,181 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-27 17:29:12,181 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-27 17:29:12,182 INFO L270 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: (let ((.cse2 (not (= |old(~a10~0)| 1))) (.cse0 (not (= 14 ~a4~0))) (.cse1 (not (= ~a12~0 0)))) (and (or (not (<= |old(~a19~0)| 7)) (not (<= 7 |old(~a19~0)|)) .cse0 (not (<= |old(~a1~0)| 33)) (not (<= 0 (+ |old(~a1~0)| 12))) (not (<= 1 |old(~a10~0)|)) .cse1) (not (= 9 |old(~a19~0)|)) (not (<= 2 |old(~a10~0)|)) (not (= 0 |old(~a10~0)|)) (or (not (<= 221 |old(~a1~0)|)) .cse2 .cse0 (not (= 7 |old(~a19~0)|)) .cse1) (or (not (<= 331498 |old(~a1~0)|)) .cse2 .cse0 (not (= 8 |old(~a19~0)|)) .cse1) (not (= 10 |old(~a19~0)|)))) [2020-10-27 17:29:12,182 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-27 17:29:12,182 INFO L274 CegarLoopResult]: For program point L111-1(line 111) no Hoare annotation was computed. [2020-10-27 17:29:12,182 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-27 17:29:12,182 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-27 17:29:12,182 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-27 17:29:12,182 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-27 17:29:12,183 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-27 17:29:12,183 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,183 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,183 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,183 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,183 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,183 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-27 17:29:12,183 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-27 17:29:12,183 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-27 17:29:12,183 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-27 17:29:12,184 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-27 17:29:12,184 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-27 17:29:12,184 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-27 17:29:12,184 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-27 17:29:12,184 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-27 17:29:12,184 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-27 17:29:12,184 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-27 17:29:12,184 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-27 17:29:12,184 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-27 17:29:12,184 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,184 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,184 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,184 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,185 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,185 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-27 17:29:12,185 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-27 17:29:12,185 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-27 17:29:12,185 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 17:29:12,185 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-27 17:29:12,185 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,185 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,185 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-27 17:29:12,185 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-27 17:29:12,185 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-27 17:29:12,185 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-27 17:29:12,186 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,186 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,186 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,186 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,186 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,186 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-27 17:29:12,186 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-27 17:29:12,186 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-27 17:29:12,186 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-27 17:29:12,186 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-27 17:29:12,186 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-27 17:29:12,187 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-27 17:29:12,187 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-27 17:29:12,187 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-27 17:29:12,187 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-27 17:29:12,187 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-27 17:29:12,187 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-27 17:29:12,187 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-27 17:29:12,187 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,187 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,187 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,187 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,187 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-27 17:29:12,187 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,188 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,188 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-27 17:29:12,188 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-27 17:29:12,188 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-27 17:29:12,188 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-27 17:29:12,188 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-27 17:29:12,188 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-27 17:29:12,188 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-27 17:29:12,188 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-27 17:29:12,188 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-27 17:29:12,188 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-27 17:29:12,188 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-27 17:29:12,188 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-27 17:29:12,188 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-27 17:29:12,189 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,189 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,189 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,189 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,189 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,189 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,189 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-27 17:29:12,189 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse1 (= ~a1~0 |old(~a1~0)|)) (.cse2 (= ~a10~0 |old(~a10~0)|))) (let ((.cse0 (and .cse1 (= ~a19~0 |old(~a19~0)|) .cse2)) (.cse3 (not (= |old(~a10~0)| 1))) (.cse4 (not (= 14 ~a4~0))) (.cse5 (not (= ~a12~0 0)))) (and (or .cse0 (not (= 10 |old(~a19~0)|))) (or (and (= 7 ~a19~0) .cse1 .cse2) (not (<= 221 |old(~a1~0)|)) .cse3 .cse4 (not (= 7 |old(~a19~0)|)) .cse5) (or .cse0 (not (<= 2 |old(~a10~0)|))) (or (not (<= |old(~a19~0)| 7)) (not (<= 7 |old(~a19~0)|)) .cse0 .cse4 (not (<= |old(~a1~0)| 33)) (not (<= 0 (+ |old(~a1~0)| 12))) (not (<= 1 |old(~a10~0)|)) .cse5) (or (not (= 9 |old(~a19~0)|)) .cse0) (or .cse0 (not (= 0 |old(~a10~0)|))) (or (not (<= 331498 |old(~a1~0)|)) .cse3 .cse4 (not (= 8 |old(~a19~0)|)) .cse5 (and (= ~a19~0 8) .cse1 .cse2))))) [2020-10-27 17:29:12,190 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-27 17:29:12,190 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-27 17:29:12,190 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-27 17:29:12,190 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-27 17:29:12,190 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-27 17:29:12,190 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-27 17:29:12,190 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-27 17:29:12,190 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-27 17:29:12,190 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-27 17:29:12,190 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-27 17:29:12,190 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-27 17:29:12,190 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-27 17:29:12,191 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-27 17:29:12,191 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,191 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,191 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,191 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,191 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,191 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,191 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-27 17:29:12,191 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-27 17:29:12,191 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-27 17:29:12,191 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-27 17:29:12,191 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-27 17:29:12,191 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-27 17:29:12,192 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-27 17:29:12,192 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-27 17:29:12,192 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-27 17:29:12,192 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-27 17:29:12,192 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-27 17:29:12,192 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-27 17:29:12,192 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-27 17:29:12,192 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,192 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,192 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,192 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,192 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,192 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,193 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-27 17:29:12,193 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-27 17:29:12,193 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-27 17:29:12,193 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-27 17:29:12,193 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-27 17:29:12,193 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-27 17:29:12,193 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-27 17:29:12,193 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-27 17:29:12,193 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-27 17:29:12,193 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-27 17:29:12,193 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-27 17:29:12,193 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-27 17:29:12,194 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,194 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,194 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,194 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,194 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,194 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:29:12,194 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:29:12,194 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9)) [2020-10-27 17:29:12,194 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 17:29:12,194 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:29:12,194 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|))) [2020-10-27 17:29:12,195 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-27 17:29:12,195 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse2 (= ~a10~0 1)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (<= 0 (+ ~a1~0 12)) (<= ~a19~0 7) .cse0 (<= 7 ~a19~0) (<= ~a1~0 33) (<= 1 ~a10~0) .cse1) (not (= 9 |old(~a19~0)|)) (= ~a10~0 0) (and .cse2 (= 7 ~a19~0) .cse0 .cse1 (<= 221 ~a1~0)) (= ~a19~0 9) (= ~a19~0 10) (not (= 0 |old(~a10~0)|)) (and (= ~a19~0 8) (<= 331498 ~a1~0) .cse2 .cse0 .cse1) (<= 2 ~a10~0))) [2020-10-27 17:29:12,195 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-27 17:29:12,195 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-27 17:29:12,195 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse2 (= ~a10~0 1)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (<= 0 (+ ~a1~0 12)) (<= ~a19~0 7) .cse0 (<= 7 ~a19~0) (<= ~a1~0 33) (<= 1 ~a10~0) .cse1) (not (= 9 |old(~a19~0)|)) (= ~a10~0 0) (and .cse2 (= 7 ~a19~0) .cse0 .cse1 (<= 221 ~a1~0)) (= ~a19~0 9) (= ~a19~0 10) (not (= 0 |old(~a10~0)|)) (and (= ~a19~0 8) (<= 331498 ~a1~0) .cse2 .cse0 .cse1) (<= 2 ~a10~0))) [2020-10-27 17:29:12,195 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-27 17:29:12,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:29:12 BoogieIcfgContainer [2020-10-27 17:29:12,218 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:29:12,219 INFO L168 Benchmark]: Toolchain (without parser) took 48955.33 ms. Allocated memory was 155.2 MB in the beginning and 778.0 MB in the end (delta: 622.9 MB). Free memory was 128.6 MB in the beginning and 414.2 MB in the end (delta: -285.5 MB). Peak memory consumption was 338.4 MB. Max. memory is 8.0 GB. [2020-10-27 17:29:12,220 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 155.2 MB. Free memory is still 129.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:29:12,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.48 ms. Allocated memory is still 155.2 MB. Free memory was 127.6 MB in the beginning and 100.9 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-27 17:29:12,221 INFO L168 Benchmark]: Boogie Preprocessor took 122.39 ms. Allocated memory is still 155.2 MB. Free memory was 100.3 MB in the beginning and 96.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 17:29:12,222 INFO L168 Benchmark]: RCFGBuilder took 1480.31 ms. Allocated memory is still 155.2 MB. Free memory was 96.1 MB in the beginning and 75.0 MB in the end (delta: 21.1 MB). Peak memory consumption was 48.4 MB. Max. memory is 8.0 GB. [2020-10-27 17:29:12,222 INFO L168 Benchmark]: TraceAbstraction took 46645.69 ms. Allocated memory was 155.2 MB in the beginning and 778.0 MB in the end (delta: 622.9 MB). Free memory was 74.5 MB in the beginning and 414.2 MB in the end (delta: -339.6 MB). Peak memory consumption was 283.7 MB. Max. memory is 8.0 GB. [2020-10-27 17:29:12,225 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 155.2 MB. Free memory is still 129.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 694.48 ms. Allocated memory is still 155.2 MB. Free memory was 127.6 MB in the beginning and 100.9 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 122.39 ms. Allocated memory is still 155.2 MB. Free memory was 100.3 MB in the beginning and 96.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1480.31 ms. Allocated memory is still 155.2 MB. Free memory was 96.1 MB in the beginning and 75.0 MB in the end (delta: 21.1 MB). Peak memory consumption was 48.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 46645.69 ms. Allocated memory was 155.2 MB in the beginning and 778.0 MB in the end (delta: 622.9 MB). Free memory was 74.5 MB in the beginning and 414.2 MB in the end (delta: -339.6 MB). Peak memory consumption was 283.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((((((((((((0 <= a1 + 12 && a19 <= 7) && 14 == a4) && 7 <= a19) && a1 <= 33) && 1 <= a10) && a12 == 0) || !(9 == \old(a19))) || a10 == 0) || ((((a10 == 1 && 7 == a19) && 14 == a4) && a12 == 0) && 221 <= a1)) || a19 == 9) || a19 == 10) || !(0 == \old(a10))) || ((((a19 == 8 && 331498 <= a1) && a10 == 1) && 14 == a4) && a12 == 0)) || 2 <= a10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 44.4s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 17.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 278 SDtfs, 2633 SDslu, 214 SDs, 0 SdLazy, 7102 SolverSat, 601 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 77 SyntacticMatches, 5 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1463occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 336 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 163 PreInvPairs, 193 NumberOfFragments, 497 HoareAnnotationTreeSize, 163 FomulaSimplifications, 297314 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1279 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 25.4s InterpolantComputationTime, 1819 NumberOfCodeBlocks, 1819 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1808 ConstructedInterpolants, 0 QuantifiedInterpolants, 829541 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 792/806 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...