/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:34:19,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:34:19,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:34:19,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:34:19,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:34:19,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:34:19,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:34:19,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:34:19,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:34:19,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:34:19,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:34:19,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:34:19,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:34:19,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:34:19,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:34:19,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:34:19,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:34:19,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:34:19,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:34:19,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:34:19,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:34:19,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:34:19,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:34:19,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:34:19,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:34:19,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:34:19,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:34:19,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:34:19,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:34:19,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:34:19,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:34:19,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:34:19,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:34:19,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:34:19,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:34:19,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:34:19,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:34:19,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:34:19,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:34:19,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:34:19,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:34:19,367 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 15:34:19,429 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:34:19,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:34:19,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:34:19,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:34:19,433 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:34:19,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:34:19,433 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:34:19,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:34:19,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:34:19,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:34:19,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:34:19,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:34:19,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:34:19,437 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:34:19,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:34:19,438 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:34:19,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:34:19,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:34:19,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:34:19,439 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:34:19,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:34:19,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:34:19,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:34:19,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:34:19,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:34:19,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:34:19,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:34:19,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:34:19,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:34:19,441 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:34:19,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:34:19,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:34:19,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:34:19,977 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:34:19,978 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:34:19,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label45.c [2020-10-27 15:34:20,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/334da73aa/f090aa8f4bab4a0cbf6fac7119a674cb/FLAG179feedc6 [2020-10-27 15:34:20,853 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:34:20,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label45.c [2020-10-27 15:34:20,867 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/334da73aa/f090aa8f4bab4a0cbf6fac7119a674cb/FLAG179feedc6 [2020-10-27 15:34:21,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/334da73aa/f090aa8f4bab4a0cbf6fac7119a674cb [2020-10-27 15:34:21,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:34:21,086 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:34:21,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:34:21,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:34:21,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:34:21,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:34:21" (1/1) ... [2020-10-27 15:34:21,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4f88ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:21, skipping insertion in model container [2020-10-27 15:34:21,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:34:21" (1/1) ... [2020-10-27 15:34:21,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:34:21,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:34:21,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:34:21,619 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:34:21,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:34:21,882 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:34:21,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:21 WrapperNode [2020-10-27 15:34:21,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:34:21,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:34:21,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:34:21,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:34:21,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:21" (1/1) ... [2020-10-27 15:34:21,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:21" (1/1) ... [2020-10-27 15:34:21,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:21" (1/1) ... [2020-10-27 15:34:21,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:21" (1/1) ... [2020-10-27 15:34:21,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:21" (1/1) ... [2020-10-27 15:34:22,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:21" (1/1) ... [2020-10-27 15:34:22,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:21" (1/1) ... [2020-10-27 15:34:22,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:34:22,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:34:22,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:34:22,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:34:22,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:34:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:34:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:34:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:34:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:34:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:34:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:34:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:34:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:34:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:34:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:34:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:34:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:34:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:34:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:34:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:34:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:34:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:34:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:34:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:34:23,591 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:34:23,591 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:34:23,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:34:23 BoogieIcfgContainer [2020-10-27 15:34:23,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:34:23,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:34:23,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:34:23,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:34:23,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:34:21" (1/3) ... [2020-10-27 15:34:23,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2694c7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:34:23, skipping insertion in model container [2020-10-27 15:34:23,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:21" (2/3) ... [2020-10-27 15:34:23,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2694c7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:34:23, skipping insertion in model container [2020-10-27 15:34:23,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:34:23" (3/3) ... [2020-10-27 15:34:23,604 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label45.c [2020-10-27 15:34:23,616 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:34:23,622 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:34:23,636 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:34:23,670 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:34:23,670 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:34:23,670 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:34:23,671 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:34:23,671 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:34:23,671 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:34:23,671 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:34:23,671 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:34:23,695 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-27 15:34:23,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-27 15:34:23,710 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:34:23,711 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:34:23,711 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:34:23,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:34:23,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1133485441, now seen corresponding path program 1 times [2020-10-27 15:34:23,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:34:23,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912028543] [2020-10-27 15:34:23,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:34:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:24,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:24,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:25,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:25,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 15:34:25,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:34:25,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1788 [2020-10-27 15:34:25,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:25,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 15:34:25,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:34:25,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 15:34:25,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:34:26,775 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:34:26,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:34:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:26,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:26,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:26,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:34:26,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:26,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 15:34:26,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:26,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:34:26,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:26,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:34:26,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:34:27,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:34:27,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912028543] [2020-10-27 15:34:27,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:34:27,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 15:34:27,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709249778] [2020-10-27 15:34:27,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 15:34:27,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:34:27,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 15:34:27,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:34:27,037 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 12 states. [2020-10-27 15:34:27,299 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 15:34:27,530 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 15:34:27,733 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 15:34:27,935 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 15:34:28,353 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2020-10-27 15:34:28,798 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 118 [2020-10-27 15:34:29,493 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 117 [2020-10-27 15:34:30,322 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2020-10-27 15:34:30,919 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 114 [2020-10-27 15:34:32,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:34:32,392 INFO L93 Difference]: Finished difference Result 479 states and 799 transitions. [2020-10-27 15:34:32,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 15:34:32,400 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 124 [2020-10-27 15:34:32,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:34:32,419 INFO L225 Difference]: With dead ends: 479 [2020-10-27 15:34:32,419 INFO L226 Difference]: Without dead ends: 206 [2020-10-27 15:34:32,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2020-10-27 15:34:32,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-27 15:34:32,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2020-10-27 15:34:32,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-10-27 15:34:32,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 278 transitions. [2020-10-27 15:34:32,499 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 278 transitions. Word has length 124 [2020-10-27 15:34:32,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:34:32,500 INFO L481 AbstractCegarLoop]: Abstraction has 206 states and 278 transitions. [2020-10-27 15:34:32,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 15:34:32,500 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 278 transitions. [2020-10-27 15:34:32,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-27 15:34:32,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:34:32,505 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:34:32,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:34:32,506 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:34:32,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:34:32,507 INFO L82 PathProgramCache]: Analyzing trace with hash 312592287, now seen corresponding path program 1 times [2020-10-27 15:34:32,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:34:32,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1430895499] [2020-10-27 15:34:32,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:34:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:32,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:33,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:33,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:34,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:34,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 15:34:34,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:34:34,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1456 [2020-10-27 15:34:34,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:34,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 15:34:34,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 15:34:34,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 15:34:34,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:34,690 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2020-10-27 15:34:34,983 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2020-10-27 15:34:35,287 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 52 [2020-10-27 15:34:35,565 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2020-10-27 15:34:35,810 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 45 [2020-10-27 15:34:36,043 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 41 [2020-10-27 15:34:36,275 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 35 [2020-10-27 15:34:36,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:34:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:36,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:36,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:36,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:34:36,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:36,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 15:34:36,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:34:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:34:36,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:36,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:34:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:36,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:36,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:36,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:34:36,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:36,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 15:34:36,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:36,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:34:36,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:36,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 15:34:36,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:36,783 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:34:36,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1430895499] [2020-10-27 15:34:36,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:34:36,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 15:34:36,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710016960] [2020-10-27 15:34:36,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 15:34:36,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:34:36,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 15:34:36,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 15:34:36,795 INFO L87 Difference]: Start difference. First operand 206 states and 278 transitions. Second operand 13 states. [2020-10-27 15:34:37,242 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 15:34:37,566 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 15:34:38,472 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 144 [2020-10-27 15:34:39,699 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 141 [2020-10-27 15:34:40,334 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 138 [2020-10-27 15:34:40,585 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 15:34:41,209 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 135 [2020-10-27 15:34:41,694 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 130 [2020-10-27 15:34:41,901 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 15:34:42,130 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-27 15:34:42,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:34:42,653 INFO L93 Difference]: Finished difference Result 435 states and 639 transitions. [2020-10-27 15:34:42,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 15:34:42,654 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 132 [2020-10-27 15:34:42,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:34:42,660 INFO L225 Difference]: With dead ends: 435 [2020-10-27 15:34:42,660 INFO L226 Difference]: Without dead ends: 295 [2020-10-27 15:34:42,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=164, Invalid=388, Unknown=0, NotChecked=0, Total=552 [2020-10-27 15:34:42,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-10-27 15:34:42,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 277. [2020-10-27 15:34:42,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-10-27 15:34:42,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 356 transitions. [2020-10-27 15:34:42,704 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 356 transitions. Word has length 132 [2020-10-27 15:34:42,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:34:42,705 INFO L481 AbstractCegarLoop]: Abstraction has 277 states and 356 transitions. [2020-10-27 15:34:42,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 15:34:42,705 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 356 transitions. [2020-10-27 15:34:42,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-27 15:34:42,719 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:34:42,719 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:34:42,720 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:34:42,720 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:34:42,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:34:42,720 INFO L82 PathProgramCache]: Analyzing trace with hash 396059646, now seen corresponding path program 1 times [2020-10-27 15:34:42,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:34:42,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [169546804] [2020-10-27 15:34:42,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:34:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:42,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:43,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:43,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:43,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:43,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-27 15:34:43,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:34:43,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 872 [2020-10-27 15:34:43,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:43,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:34:43,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 15:34:43,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-27 15:34:43,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:34:43,846 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:34:43,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:34:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:43,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:43,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:43,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:34:43,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:43,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:34:43,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:43,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:34:43,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:43,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:34:43,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:43,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:34:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:43,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:43,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:43,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:34:43,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:43,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 15:34:43,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:43,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:34:43,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:43,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 15:34:43,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:43,941 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:34:43,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [169546804] [2020-10-27 15:34:43,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:34:43,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:34:43,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57861896] [2020-10-27 15:34:43,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:34:43,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:34:43,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:34:43,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:34:43,952 INFO L87 Difference]: Start difference. First operand 277 states and 356 transitions. Second operand 5 states. [2020-10-27 15:34:45,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:34:45,290 INFO L93 Difference]: Finished difference Result 627 states and 852 transitions. [2020-10-27 15:34:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:34:45,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2020-10-27 15:34:45,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:34:45,295 INFO L225 Difference]: With dead ends: 627 [2020-10-27 15:34:45,296 INFO L226 Difference]: Without dead ends: 416 [2020-10-27 15:34:45,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:34:45,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-10-27 15:34:45,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 414. [2020-10-27 15:34:45,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2020-10-27 15:34:45,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 521 transitions. [2020-10-27 15:34:45,335 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 521 transitions. Word has length 135 [2020-10-27 15:34:45,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:34:45,336 INFO L481 AbstractCegarLoop]: Abstraction has 414 states and 521 transitions. [2020-10-27 15:34:45,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:34:45,336 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 521 transitions. [2020-10-27 15:34:45,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-27 15:34:45,343 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:34:45,344 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:34:45,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:34:45,344 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:34:45,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:34:45,345 INFO L82 PathProgramCache]: Analyzing trace with hash 200874629, now seen corresponding path program 1 times [2020-10-27 15:34:45,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:34:45,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1556227507] [2020-10-27 15:34:45,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:34:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:45,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:45,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:45,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:50,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:50,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:50,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-27 15:34:50,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:34:50,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-27 15:34:50,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:50,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:34:50,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-27 15:34:50,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-27 15:34:50,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:50,645 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:34:50,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:34:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:50,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:50,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:50,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:34:50,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:50,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 15:34:50,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:50,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:34:50,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:50,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:34:50,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:50,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:34:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:50,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:50,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:50,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:34:50,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:50,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:34:50,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:50,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:34:50,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:50,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:34:50,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:50,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 15:34:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:50,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:50,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:50,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:34:50,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:50,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 15:34:50,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:50,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:34:50,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:50,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 15:34:50,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:50,817 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 15:34:50,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1556227507] [2020-10-27 15:34:50,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:34:50,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:34:50,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660734728] [2020-10-27 15:34:50,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:34:50,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:34:50,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:34:50,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:34:50,821 INFO L87 Difference]: Start difference. First operand 414 states and 521 transitions. Second operand 6 states. [2020-10-27 15:34:51,051 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 15:34:53,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:34:53,308 INFO L93 Difference]: Finished difference Result 1312 states and 1740 transitions. [2020-10-27 15:34:53,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 15:34:53,312 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2020-10-27 15:34:53,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:34:53,319 INFO L225 Difference]: With dead ends: 1312 [2020-10-27 15:34:53,319 INFO L226 Difference]: Without dead ends: 964 [2020-10-27 15:34:53,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 15:34:53,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2020-10-27 15:34:53,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 829. [2020-10-27 15:34:53,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 829 states. [2020-10-27 15:34:53,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1063 transitions. [2020-10-27 15:34:53,367 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1063 transitions. Word has length 144 [2020-10-27 15:34:53,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:34:53,368 INFO L481 AbstractCegarLoop]: Abstraction has 829 states and 1063 transitions. [2020-10-27 15:34:53,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:34:53,368 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1063 transitions. [2020-10-27 15:34:53,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-27 15:34:53,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:34:53,373 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:34:53,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:34:53,373 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:34:53,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:34:53,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1651557346, now seen corresponding path program 1 times [2020-10-27 15:34:53,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:34:53,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [961672437] [2020-10-27 15:34:53,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:34:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:53,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:53,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:53,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:53,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:58,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:58,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-27 15:34:58,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:34:58,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 15:34:58,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 15:34:58,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-27 15:34:58,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 15:34:58,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:58,862 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2020-10-27 15:34:58,991 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2020-10-27 15:34:59,176 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 41 [2020-10-27 15:34:59,365 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 39 [2020-10-27 15:34:59,552 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 37 [2020-10-27 15:34:59,767 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 35 [2020-10-27 15:34:59,968 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 32 [2020-10-27 15:35:00,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:35:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:00,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:00,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:00,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:35:00,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:00,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:35:00,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:00,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:00,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:00,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:00,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:00,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:35:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:00,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:00,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:00,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:35:00,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:00,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:35:00,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:00,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:00,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:00,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:00,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:00,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 15:35:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:00,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:00,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:00,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 15:35:00,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:00,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:35:00,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:00,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:00,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:00,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:00,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:00,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 15:35:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:00,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:00,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:00,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 15:35:00,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:00,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 15:35:00,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:00,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:35:00,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:00,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 15:35:00,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:00,395 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-27 15:35:00,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [961672437] [2020-10-27 15:35:00,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:35:00,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 15:35:00,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483480476] [2020-10-27 15:35:00,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 15:35:00,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:35:00,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 15:35:00,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-27 15:35:00,399 INFO L87 Difference]: Start difference. First operand 829 states and 1063 transitions. Second operand 13 states. [2020-10-27 15:35:00,721 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 15:35:00,969 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 15:35:01,573 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 122 [2020-10-27 15:35:02,497 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 121 [2020-10-27 15:35:03,038 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 120 [2020-10-27 15:35:03,541 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 119 [2020-10-27 15:35:03,971 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2020-10-27 15:35:04,590 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 15:35:04,808 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 15:35:05,004 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-27 15:35:05,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:35:05,163 INFO L93 Difference]: Finished difference Result 1683 states and 2216 transitions. [2020-10-27 15:35:05,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 15:35:05,165 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 163 [2020-10-27 15:35:05,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:35:05,172 INFO L225 Difference]: With dead ends: 1683 [2020-10-27 15:35:05,173 INFO L226 Difference]: Without dead ends: 920 [2020-10-27 15:35:05,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=170, Invalid=336, Unknown=0, NotChecked=0, Total=506 [2020-10-27 15:35:05,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2020-10-27 15:35:05,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 831. [2020-10-27 15:35:05,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2020-10-27 15:35:05,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1065 transitions. [2020-10-27 15:35:05,228 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1065 transitions. Word has length 163 [2020-10-27 15:35:05,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:35:05,229 INFO L481 AbstractCegarLoop]: Abstraction has 831 states and 1065 transitions. [2020-10-27 15:35:05,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 15:35:05,229 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1065 transitions. [2020-10-27 15:35:05,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-27 15:35:05,236 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:35:05,236 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:35:05,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:35:05,237 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:35:05,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:35:05,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1623490901, now seen corresponding path program 1 times [2020-10-27 15:35:05,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:35:05,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1163266821] [2020-10-27 15:35:05,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:35:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:05,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:05,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:05,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:07,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:10,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:10,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-27 15:35:10,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:35:10,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 15:35:10,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:10,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 15:35:10,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-27 15:35:10,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 15:35:10,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:10,830 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2020-10-27 15:35:11,039 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-10-27 15:35:11,228 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2020-10-27 15:35:11,399 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 40 [2020-10-27 15:35:11,555 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 37 [2020-10-27 15:35:11,713 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 33 [2020-10-27 15:35:11,990 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:35:11,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:35:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:11,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:12,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:12,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:35:12,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:12,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:35:12,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:12,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:12,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:12,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:12,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:12,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:35:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:12,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:12,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:12,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:35:12,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:12,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:35:12,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:12,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:12,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:12,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:12,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:12,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 15:35:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:12,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:12,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:12,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:35:12,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:12,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:35:12,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:12,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:12,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:12,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:12,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:12,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 15:35:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:12,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:12,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:12,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 15:35:12,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:12,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 15:35:12,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:12,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:35:12,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:12,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 15:35:12,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:12,435 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-27 15:35:12,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1163266821] [2020-10-27 15:35:12,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:35:12,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 15:35:12,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513271077] [2020-10-27 15:35:12,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 15:35:12,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:35:12,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 15:35:12,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 15:35:12,438 INFO L87 Difference]: Start difference. First operand 831 states and 1065 transitions. Second operand 13 states. [2020-10-27 15:35:13,414 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 15:35:13,690 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-27 15:35:14,461 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2020-10-27 15:35:15,145 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 141 [2020-10-27 15:35:15,607 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 138 [2020-10-27 15:35:16,174 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 135 [2020-10-27 15:35:16,836 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 130 [2020-10-27 15:35:17,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:35:17,068 INFO L93 Difference]: Finished difference Result 1658 states and 2179 transitions. [2020-10-27 15:35:17,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 15:35:17,068 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 180 [2020-10-27 15:35:17,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:35:17,073 INFO L225 Difference]: With dead ends: 1658 [2020-10-27 15:35:17,073 INFO L226 Difference]: Without dead ends: 893 [2020-10-27 15:35:17,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2020-10-27 15:35:17,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2020-10-27 15:35:17,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 889. [2020-10-27 15:35:17,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2020-10-27 15:35:17,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1131 transitions. [2020-10-27 15:35:17,107 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1131 transitions. Word has length 180 [2020-10-27 15:35:17,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:35:17,107 INFO L481 AbstractCegarLoop]: Abstraction has 889 states and 1131 transitions. [2020-10-27 15:35:17,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 15:35:17,107 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1131 transitions. [2020-10-27 15:35:17,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-27 15:35:17,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:35:17,112 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:35:17,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 15:35:17,112 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:35:17,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:35:17,113 INFO L82 PathProgramCache]: Analyzing trace with hash -673655735, now seen corresponding path program 1 times [2020-10-27 15:35:17,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:35:17,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2122463045] [2020-10-27 15:35:17,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:35:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:17,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:17,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:17,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:17,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:18,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:22,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:22,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-27 15:35:22,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:35:22,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4893 [2020-10-27 15:35:22,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:22,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 15:35:22,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-27 15:35:22,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 15:35:22,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:22,505 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-10-27 15:35:22,663 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-10-27 15:35:22,802 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2020-10-27 15:35:22,923 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2020-10-27 15:35:23,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:35:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:23,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:23,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:23,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:35:23,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:23,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:35:23,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:23,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:23,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:23,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:23,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:23,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:35:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:23,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:23,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:23,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:35:23,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:23,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 15:35:23,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:23,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:23,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:23,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:23,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:23,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 15:35:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:23,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:23,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:23,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-27 15:35:23,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:23,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 15:35:23,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:35:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 15:35:23,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:23,610 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 15:35:23,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2122463045] [2020-10-27 15:35:23,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:35:23,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 15:35:23,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656702450] [2020-10-27 15:35:23,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 15:35:23,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:35:23,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 15:35:23,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 15:35:23,613 INFO L87 Difference]: Start difference. First operand 889 states and 1131 transitions. Second operand 13 states. [2020-10-27 15:35:24,241 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-10-27 15:35:24,523 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 15:35:24,791 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-27 15:35:25,444 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 143 [2020-10-27 15:35:26,169 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 140 [2020-10-27 15:35:26,810 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 137 [2020-10-27 15:35:27,292 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 134 [2020-10-27 15:35:28,069 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 129 [2020-10-27 15:35:28,508 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 15:35:28,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:35:28,545 INFO L93 Difference]: Finished difference Result 1788 states and 2339 transitions. [2020-10-27 15:35:28,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 15:35:28,546 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 182 [2020-10-27 15:35:28,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:35:28,552 INFO L225 Difference]: With dead ends: 1788 [2020-10-27 15:35:28,552 INFO L226 Difference]: Without dead ends: 965 [2020-10-27 15:35:28,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2020-10-27 15:35:28,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2020-10-27 15:35:28,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 961. [2020-10-27 15:35:28,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 961 states. [2020-10-27 15:35:28,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1212 transitions. [2020-10-27 15:35:28,592 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1212 transitions. Word has length 182 [2020-10-27 15:35:28,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:35:28,592 INFO L481 AbstractCegarLoop]: Abstraction has 961 states and 1212 transitions. [2020-10-27 15:35:28,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 15:35:28,593 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1212 transitions. [2020-10-27 15:35:28,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-27 15:35:28,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:35:28,598 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:35:28,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 15:35:28,598 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:35:28,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:35:28,599 INFO L82 PathProgramCache]: Analyzing trace with hash -877370917, now seen corresponding path program 1 times [2020-10-27 15:35:28,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:35:28,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [977930116] [2020-10-27 15:35:28,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:35:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:28,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:28,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:29,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:30,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:31,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:31,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-27 15:35:31,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:35:31,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2724 [2020-10-27 15:35:31,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:31,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:35:31,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-27 15:35:31,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-27 15:35:31,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:31,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:35:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:31,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:31,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:31,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:35:31,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:31,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 15:35:31,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:31,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:31,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:31,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:31,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:31,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:35:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:31,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:31,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:31,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:35:31,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:31,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:35:31,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:31,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:31,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:31,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:31,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:31,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 15:35:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:31,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:31,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:31,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 15:35:31,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:31,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:35:31,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:31,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:31,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:31,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:31,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:31,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 15:35:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:31,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:31,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:31,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 15:35:31,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:31,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 15:35:31,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:31,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:35:31,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:31,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 15:35:31,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:31,885 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 90 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-27 15:35:31,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [977930116] [2020-10-27 15:35:31,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:35:31,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:35:31,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86036711] [2020-10-27 15:35:31,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:35:31,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:35:31,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:35:31,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:35:31,890 INFO L87 Difference]: Start difference. First operand 961 states and 1212 transitions. Second operand 5 states. [2020-10-27 15:35:32,737 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 15:35:33,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:35:33,292 INFO L93 Difference]: Finished difference Result 1794 states and 2289 transitions. [2020-10-27 15:35:33,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:35:33,300 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 220 [2020-10-27 15:35:33,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:35:33,301 INFO L225 Difference]: With dead ends: 1794 [2020-10-27 15:35:33,301 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:35:33,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:35:33,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:35:33,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:35:33,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:35:33,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:35:33,308 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2020-10-27 15:35:33,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:35:33,308 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:35:33,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:35:33,308 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:35:33,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:35:33,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 15:35:33,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:35:33,493 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 142 [2020-10-27 15:35:34,087 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 48 [2020-10-27 15:35:36,219 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 253 DAG size of output: 139 [2020-10-27 15:35:36,720 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 95 [2020-10-27 15:35:37,346 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 64 [2020-10-27 15:35:37,745 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 105 [2020-10-27 15:35:37,750 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:35:37,750 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:35:37,751 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:35:37,751 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:35:37,751 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:35:37,753 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-27 15:35:37,753 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:35:37,753 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,753 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,754 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,755 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,755 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,755 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,755 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-27 15:35:37,755 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-27 15:35:37,755 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-27 15:35:37,755 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-27 15:35:37,755 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-27 15:35:37,755 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-27 15:35:37,756 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-27 15:35:37,756 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-27 15:35:37,757 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-27 15:35:37,757 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-27 15:35:37,757 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-27 15:35:37,757 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-27 15:35:37,757 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,757 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,757 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,758 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,758 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,758 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,758 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-27 15:35:37,758 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-27 15:35:37,758 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-27 15:35:37,758 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-27 15:35:37,758 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-27 15:35:37,759 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-27 15:35:37,759 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-27 15:35:37,759 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-27 15:35:37,759 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-27 15:35:37,759 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-27 15:35:37,759 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,759 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,759 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,759 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,759 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,760 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,760 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-27 15:35:37,760 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-27 15:35:37,760 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-27 15:35:37,760 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-27 15:35:37,761 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-27 15:35:37,761 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-27 15:35:37,761 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-27 15:35:37,761 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-27 15:35:37,761 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-27 15:35:37,761 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-27 15:35:37,761 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-27 15:35:37,761 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-27 15:35:37,762 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-27 15:35:37,762 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-27 15:35:37,762 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-27 15:35:37,763 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,764 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,764 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,764 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,765 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,765 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-27 15:35:37,765 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-27 15:35:37,765 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-27 15:35:37,765 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-27 15:35:37,765 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-27 15:35:37,765 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-27 15:35:37,765 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-27 15:35:37,765 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-27 15:35:37,766 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-27 15:35:37,766 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,766 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,766 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,766 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,766 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,766 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-27 15:35:37,766 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-27 15:35:37,766 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-27 15:35:37,766 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-27 15:35:37,767 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-27 15:35:37,767 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-27 15:35:37,767 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-27 15:35:37,767 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-27 15:35:37,767 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-27 15:35:37,767 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-27 15:35:37,767 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-27 15:35:37,767 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-27 15:35:37,767 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-27 15:35:37,767 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,767 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,767 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,768 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,768 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,768 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-27 15:35:37,768 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-27 15:35:37,768 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-27 15:35:37,768 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,768 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,768 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-27 15:35:37,768 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-27 15:35:37,768 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-27 15:35:37,768 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-27 15:35:37,769 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-27 15:35:37,769 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-27 15:35:37,769 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,769 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,769 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,769 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,769 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-27 15:35:37,769 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,769 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-27 15:35:37,770 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-27 15:35:37,770 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-27 15:35:37,770 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-27 15:35:37,770 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-27 15:35:37,770 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-27 15:35:37,770 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-27 15:35:37,770 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-27 15:35:37,770 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-27 15:35:37,770 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-27 15:35:37,770 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-27 15:35:37,770 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-27 15:35:37,770 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-27 15:35:37,770 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,771 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,771 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,771 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,771 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,771 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-27 15:35:37,771 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-27 15:35:37,771 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-27 15:35:37,771 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-27 15:35:37,771 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-27 15:35:37,771 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-27 15:35:37,771 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-27 15:35:37,771 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-27 15:35:37,771 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,771 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,772 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse10 (= 5 |old(~a16~0)|)) (.cse12 (= ~a7~0 |old(~a7~0)|)) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a20~0 |old(~a20~0)|)) (.cse14 (= ~a16~0 |old(~a16~0)|))) (let ((.cse11 (and .cse12 .cse0 (= ~a21~0 |old(~a21~0)|) .cse2 .cse14 (= ~a8~0 |old(~a8~0)|))) (.cse3 (= ~a8~0 15)) (.cse7 (not (= 15 |old(~a8~0)|))) (.cse1 (= ~a21~0 1)) (.cse4 (= 5 ~a16~0)) (.cse5 (not .cse10)) (.cse8 (not (= |old(~a21~0)| 1))) (.cse13 (not (= 0 |old(~a17~0)|))) (.cse6 (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 2)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6)))) (.cse9 (not (= ~a12~0 8)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~a7~0 0)) (not (= |old(~a17~0)| 1)) .cse5 .cse6 .cse7 .cse8 .cse9 (not (= |old(~a7~0)| 0))) (or .cse10 .cse11) (or (not (= |old(~a7~0)| 1)) .cse11) (or (and .cse12 .cse0 .cse1 .cse2 .cse3 .cse4) (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 2)) (not (<= 2 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1)))) .cse5 .cse7 .cse8 .cse9 .cse13) (or (not (= 14 |old(~a8~0)|)) (not (= |old(~a7~0)| |old(~a17~0)|)) (not (= |old(~a17~0)| |old(~a20~0)|)) (and .cse0 .cse1 .cse2 (= 14 ~a8~0) .cse4 (= ~a17~0 ~a7~0)) .cse5 .cse8 .cse9 .cse13) (or (not (< 0 |old(~a17~0)|)) (and (not (<= 2 |old(~a20~0)|)) (not (<= |old(~a20~0)| 0))) (not (<= |old(~a8~0)| 15)) (not (<= |old(~a21~0)| 1)) (not (<= 15 |old(~a8~0)|)) (not (<= 1 |old(~a21~0)|)) (not (<= |old(~a17~0)| 1)) (and .cse12 (< 0 ~a17~0) .cse2 .cse14 (<= ~a17~0 1) (<= ~a21~0 1) (<= 1 ~a21~0) (<= ~a8~0 15) (<= 15 ~a8~0)) .cse6 .cse9)))) [2020-10-27 15:35:37,772 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,772 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,772 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,772 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-27 15:35:37,772 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-27 15:35:37,772 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-27 15:35:37,772 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-27 15:35:37,772 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-27 15:35:37,773 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-27 15:35:37,773 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-27 15:35:37,773 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-27 15:35:37,773 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-27 15:35:37,773 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-27 15:35:37,773 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-27 15:35:37,773 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,773 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,773 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,773 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,773 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-27 15:35:37,774 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,774 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,774 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-27 15:35:37,774 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-27 15:35:37,774 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-27 15:35:37,774 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-27 15:35:37,774 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-27 15:35:37,774 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-27 15:35:37,774 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-27 15:35:37,774 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-27 15:35:37,775 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-27 15:35:37,775 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-27 15:35:37,775 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-27 15:35:37,775 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-27 15:35:37,775 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,775 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,775 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,775 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,775 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,775 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-27 15:35:37,775 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:37,776 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-27 15:35:37,776 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-27 15:35:37,776 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-27 15:35:37,776 INFO L270 CegarLoopResult]: At program point L529(line 529) the Hoare annotation is: (let ((.cse4 (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 2)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6)))) (.cse0 (not (= 15 |old(~a8~0)|))) (.cse1 (not (= |old(~a21~0)| 1))) (.cse2 (not (= ~a12~0 8))) (.cse3 (not (= 0 |old(~a17~0)|)))) (and (or (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 2)) (not (<= 2 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1)))) .cse0 .cse1 .cse2 .cse3) (or (not (< 0 |old(~a17~0)|)) (and (not (<= 2 |old(~a20~0)|)) (not (<= |old(~a20~0)| 0))) (not (<= |old(~a8~0)| 15)) (not (<= |old(~a21~0)| 1)) (not (<= 15 |old(~a8~0)|)) (not (<= 1 |old(~a21~0)|)) (not (<= |old(~a17~0)| 1)) .cse4 .cse2) (not (= |old(~a7~0)| 1)) (or (not (= |old(~a17~0)| 1)) .cse4 .cse0 .cse1 .cse2 (not (= |old(~a7~0)| 0))) (or (not (= 14 |old(~a8~0)|)) (not (= |old(~a7~0)| |old(~a17~0)|)) (not (= |old(~a17~0)| |old(~a20~0)|)) .cse1 .cse2 .cse3) (= 5 |old(~a16~0)|))) [2020-10-27 15:35:37,776 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-27 15:35:37,776 INFO L274 CegarLoopResult]: For program point L529-1(line 529) no Hoare annotation was computed. [2020-10-27 15:35:37,776 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-27 15:35:37,777 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-27 15:35:37,777 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-27 15:35:37,777 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-27 15:35:37,777 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-27 15:35:37,777 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-27 15:35:37,777 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-27 15:35:37,777 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-27 15:35:37,777 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-27 15:35:37,777 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:35:37,777 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (= ~a12~0 8) (= ~a20~0 1) (<= ~a21~0 1) (<= 1 ~a21~0) (<= 5 ~a16~0) (<= ~a8~0 15) (= ~a7~0 0) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-10-27 15:35:37,778 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:35:37,778 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:35:37,778 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (and (= ~a17~0 |old(~a17~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (<= ~a21~0 1) (<= 1 ~a21~0) (<= ~a8~0 15) (<= 15 ~a8~0) (= ~a7~0 0)) (not (= |old(~a17~0)| 1)) (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a8~0)| 15)) (not (<= |old(~a21~0)| 1)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (<= 1 |old(~a21~0)|)) (not (= |old(~a20~0)| 1)) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0))) [2020-10-27 15:35:37,778 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-27 15:35:37,778 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse1 (or (= 5 main_~input~0) (= 6 main_~input~0) (= main_~input~0 4) (= 3 main_~input~0) (= main_~input~0 1) (= 2 main_~input~0))) (.cse0 (= ~a21~0 1)) (.cse2 (= ~a8~0 15)) (.cse3 (= ~a17~0 0))) (or (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a8~0)| 15)) (not (<= |old(~a21~0)| 1)) (= ~a7~0 1) (not (= |old(~a20~0)| 1)) (and (= ~a17~0 |old(~a17~0)|) .cse0 .cse1 .cse2 (= ~a7~0 0)) (not (= 5 ~a16~0)) (and (<= 1 ~a17~0) .cse1 (or (< 1 ~a20~0) (<= ~a20~0 0)) (<= ~a21~0 1) (<= ~a17~0 1) (<= 1 ~a21~0) (<= ~a8~0 15) (<= 15 ~a8~0)) (and (= ~a20~0 ~a17~0) .cse0 (= 14 ~a8~0) (= ~a17~0 ~a7~0) .cse3) (not (= |old(~a17~0)| 1)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (<= 1 |old(~a21~0)|)) (and .cse0 (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 2 main_~input~0) (<= main_~input~0 2)) (and (<= 6 main_~input~0) (<= main_~input~0 6)) (and (<= main_~input~0 3) (<= 3 main_~input~0)) (and (<= main_~input~0 1) (<= 1 main_~input~0)) (and (<= main_~input~0 5) (<= 5 main_~input~0))) .cse2 .cse3) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0)))) [2020-10-27 15:35:37,778 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-27 15:35:37,779 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-27 15:35:37,779 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse4 (= ~a21~0 1)) (.cse5 (= ~a17~0 0)) (.cse0 (<= ~a21~0 1)) (.cse1 (<= 1 ~a21~0)) (.cse2 (<= ~a8~0 15)) (.cse3 (<= 15 ~a8~0))) (or (and (= ~a17~0 |old(~a17~0)|) .cse0 .cse1 .cse2 .cse3 (= ~a7~0 0)) (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a8~0)| 15)) (not (<= |old(~a21~0)| 1)) (= ~a7~0 1) (not (= |old(~a20~0)| 1)) (not (= 5 ~a16~0)) (and .cse4 (= ~a8~0 15) .cse5) (and (= ~a20~0 ~a17~0) .cse4 (= 14 ~a8~0) (= ~a17~0 ~a7~0) .cse5) (and (<= 1 ~a17~0) (or (< 1 ~a20~0) (<= ~a20~0 0)) .cse0 (<= ~a17~0 1) .cse1 .cse2 .cse3) (not (= |old(~a17~0)| 1)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (<= 1 |old(~a21~0)|)) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0)))) [2020-10-27 15:35:37,779 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-27 15:35:37,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:35:37 BoogieIcfgContainer [2020-10-27 15:35:37,803 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:35:37,804 INFO L168 Benchmark]: Toolchain (without parser) took 76723.24 ms. Allocated memory was 157.3 MB in the beginning and 733.0 MB in the end (delta: 575.7 MB). Free memory was 130.6 MB in the beginning and 565.4 MB in the end (delta: -434.8 MB). Peak memory consumption was 436.6 MB. Max. memory is 8.0 GB. [2020-10-27 15:35:37,805 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 157.3 MB. Free memory is still 130.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:35:37,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.79 ms. Allocated memory is still 157.3 MB. Free memory was 130.0 MB in the beginning and 137.4 MB in the end (delta: -7.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. [2020-10-27 15:35:37,806 INFO L168 Benchmark]: Boogie Preprocessor took 137.22 ms. Allocated memory is still 157.3 MB. Free memory was 137.4 MB in the beginning and 132.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:35:37,807 INFO L168 Benchmark]: RCFGBuilder took 1571.84 ms. Allocated memory was 157.3 MB in the beginning and 196.1 MB in the end (delta: 38.8 MB). Free memory was 132.2 MB in the beginning and 153.6 MB in the end (delta: -21.4 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. [2020-10-27 15:35:37,808 INFO L168 Benchmark]: TraceAbstraction took 74206.81 ms. Allocated memory was 196.1 MB in the beginning and 733.0 MB in the end (delta: 536.9 MB). Free memory was 152.7 MB in the beginning and 565.4 MB in the end (delta: -412.7 MB). Peak memory consumption was 418.8 MB. Max. memory is 8.0 GB. [2020-10-27 15:35:37,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 157.3 MB. Free memory is still 130.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 795.79 ms. Allocated memory is still 157.3 MB. Free memory was 130.0 MB in the beginning and 137.4 MB in the end (delta: -7.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 137.22 ms. Allocated memory is still 157.3 MB. Free memory was 137.4 MB in the beginning and 132.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1571.84 ms. Allocated memory was 157.3 MB in the beginning and 196.1 MB in the end (delta: 38.8 MB). Free memory was 132.2 MB in the beginning and 153.6 MB in the end (delta: -21.4 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 74206.81 ms. Allocated memory was 196.1 MB in the beginning and 733.0 MB in the end (delta: 536.9 MB). Free memory was 152.7 MB in the beginning and 565.4 MB in the end (delta: -412.7 MB). Peak memory consumption was 418.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((((((((((((((((a17 == \old(a17) && a21 <= 1) && 1 <= a21) && a8 <= 15) && 15 <= a8) && a7 == 0) || !(5 <= \old(a16))) || !(\old(a8) <= 15)) || !(\old(a21) <= 1)) || a7 == 1) || !(\old(a20) == 1)) || !(5 == a16)) || ((a21 == 1 && a8 == 15) && a17 == 0)) || ((((a20 == a17 && a21 == 1) && 14 == a8) && a17 == a7) && a17 == 0)) || ((((((1 <= a17 && (1 < a20 || a20 <= 0)) && a21 <= 1) && a17 <= 1) && 1 <= a21) && a8 <= 15) && 15 <= a8)) || !(\old(a17) == 1)) || !(\old(a16) <= 5)) || !(15 <= \old(a8))) || !(1 <= \old(a21))) || !(a12 == 8)) || !(\old(a7) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 69.6s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 30.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 218 SDtfs, 2786 SDslu, 308 SDs, 0 SdLazy, 7771 SolverSat, 690 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 189 GetRequests, 68 SyntacticMatches, 6 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 22.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=961occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 252 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 100 PreInvPairs, 118 NumberOfFragments, 1065 HoareAnnotationTreeSize, 100 FomulaSimplifications, 688 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2423 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 36.2s InterpolantComputationTime, 1280 NumberOfCodeBlocks, 1280 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1272 ConstructedInterpolants, 0 QuantifiedInterpolants, 3244791 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 345/360 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...