/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label32.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:27:43,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:27:43,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:27:43,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:27:43,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:27:43,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:27:43,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:27:43,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:27:43,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:27:43,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:27:43,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:27:43,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:27:43,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:27:43,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:27:43,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:27:43,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:27:43,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:27:43,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:27:43,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:27:43,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:27:43,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:27:43,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:27:43,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:27:43,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:27:43,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:27:43,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:27:43,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:27:43,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:27:43,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:27:43,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:27:43,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:27:43,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:27:43,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:27:43,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:27:43,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:27:43,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:27:43,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:27:43,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:27:43,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:27:43,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:27:43,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:27:43,266 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 17:27:43,324 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:27:43,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:27:43,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:27:43,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:27:43,329 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:27:43,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:27:43,329 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:27:43,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:27:43,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:27:43,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:27:43,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:27:43,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:27:43,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:27:43,331 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:27:43,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:27:43,332 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:27:43,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:27:43,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:27:43,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:27:43,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:27:43,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:27:43,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:27:43,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:27:43,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:27:43,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:27:43,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:27:43,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:27:43,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:27:43,335 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:27:43,335 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:27:43,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:27:43,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:27:43,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:27:43,802 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:27:43,803 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:27:43,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label32.c [2020-10-27 17:27:43,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/044a6bfc1/254c445fbd474ff2b757820785db0cb4/FLAGbeb8b767a [2020-10-27 17:27:44,647 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:27:44,648 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label32.c [2020-10-27 17:27:44,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/044a6bfc1/254c445fbd474ff2b757820785db0cb4/FLAGbeb8b767a [2020-10-27 17:27:44,900 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/044a6bfc1/254c445fbd474ff2b757820785db0cb4 [2020-10-27 17:27:44,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:27:44,910 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:27:44,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:27:44,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:27:44,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:27:44,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:27:44" (1/1) ... [2020-10-27 17:27:44,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b84106f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:44, skipping insertion in model container [2020-10-27 17:27:44,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:27:44" (1/1) ... [2020-10-27 17:27:44,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:27:44,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:27:45,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:27:45,419 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:27:45,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:27:45,555 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:27:45,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:45 WrapperNode [2020-10-27 17:27:45,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:27:45,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:27:45,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:27:45,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:27:45,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:45" (1/1) ... [2020-10-27 17:27:45,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:45" (1/1) ... [2020-10-27 17:27:45,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:45" (1/1) ... [2020-10-27 17:27:45,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:45" (1/1) ... [2020-10-27 17:27:45,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:45" (1/1) ... [2020-10-27 17:27:45,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:45" (1/1) ... [2020-10-27 17:27:45,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:45" (1/1) ... [2020-10-27 17:27:45,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:27:45,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:27:45,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:27:45,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:27:45,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:27:45,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:27:45,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:27:45,751 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:27:45,751 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:27:45,751 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:27:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:27:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:27:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:27:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:27:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:27:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:27:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:27:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:27:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:27:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:27:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:27:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:27:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:27:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:27:47,178 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:27:47,179 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:27:47,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:27:47 BoogieIcfgContainer [2020-10-27 17:27:47,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:27:47,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:27:47,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:27:47,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:27:47,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:27:44" (1/3) ... [2020-10-27 17:27:47,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7297b43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:27:47, skipping insertion in model container [2020-10-27 17:27:47,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:45" (2/3) ... [2020-10-27 17:27:47,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7297b43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:27:47, skipping insertion in model container [2020-10-27 17:27:47,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:27:47" (3/3) ... [2020-10-27 17:27:47,191 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label32.c [2020-10-27 17:27:47,204 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:27:47,210 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:27:47,224 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:27:47,256 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:27:47,256 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:27:47,256 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:27:47,256 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:27:47,256 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:27:47,257 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:27:47,257 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:27:47,257 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:27:47,283 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-27 17:27:47,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-27 17:27:47,291 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:47,292 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] [2020-10-27 17:27:47,292 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:47,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:47,300 INFO L82 PathProgramCache]: Analyzing trace with hash -810835380, now seen corresponding path program 1 times [2020-10-27 17:27:47,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:47,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1498994742] [2020-10-27 17:27:47,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:47,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:47,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:47,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 17:27:47,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:47,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 471 [2020-10-27 17:27:47,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:47,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:27:47,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:27:47,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 17:27:47,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:27:48,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:48,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:48,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:48,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:48,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:48,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 17:27:48,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:48,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:27:48,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:48,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:27:48,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:48,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:27:48,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1498994742] [2020-10-27 17:27:48,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:27:48,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 17:27:48,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960223899] [2020-10-27 17:27:48,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 17:27:48,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:27:48,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 17:27:48,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 17:27:48,175 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-27 17:27:49,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:27:49,836 INFO L93 Difference]: Finished difference Result 586 states and 1012 transitions. [2020-10-27 17:27:49,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:27:49,838 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-27 17:27:49,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:27:49,854 INFO L225 Difference]: With dead ends: 586 [2020-10-27 17:27:49,855 INFO L226 Difference]: Without dead ends: 303 [2020-10-27 17:27:49,863 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:27:49,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-27 17:27:49,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-27 17:27:49,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-27 17:27:49,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2020-10-27 17:27:49,949 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 32 [2020-10-27 17:27:49,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:27:49,950 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2020-10-27 17:27:49,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 17:27:49,950 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2020-10-27 17:27:49,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-27 17:27:49,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:49,956 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:27:49,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:27:49,956 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:49,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:49,957 INFO L82 PathProgramCache]: Analyzing trace with hash -662584880, now seen corresponding path program 1 times [2020-10-27 17:27:49,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:49,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [951024878] [2020-10-27 17:27:49,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:50,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:50,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:50,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:50,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 17:27:50,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:27:50,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 974 [2020-10-27 17:27:50,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:50,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:27:50,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-27 17:27:50,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 17:27:50,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:27:51,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:51,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:51,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:51,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:51,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:51,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 17:27:51,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:51,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:51,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:51,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:51,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:27:51,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:27:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:51,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:51,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:51,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 17:27:51,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:51,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-27 17:27:51,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:27:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 17:27:51,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:27:51,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [951024878] [2020-10-27 17:27:51,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:27:51,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:27:51,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314412584] [2020-10-27 17:27:51,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:27:51,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:27:51,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:27:51,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:27:51,314 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand 5 states. [2020-10-27 17:27:52,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:27:52,919 INFO L93 Difference]: Finished difference Result 741 states and 1021 transitions. [2020-10-27 17:27:52,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:27:52,922 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2020-10-27 17:27:52,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:27:52,927 INFO L225 Difference]: With dead ends: 741 [2020-10-27 17:27:52,928 INFO L226 Difference]: Without dead ends: 448 [2020-10-27 17:27:52,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:27:52,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-10-27 17:27:52,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 444. [2020-10-27 17:27:52,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-10-27 17:27:52,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 554 transitions. [2020-10-27 17:27:52,975 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 554 transitions. Word has length 102 [2020-10-27 17:27:52,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:27:52,976 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 554 transitions. [2020-10-27 17:27:52,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:27:52,976 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 554 transitions. [2020-10-27 17:27:52,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-27 17:27:52,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:52,991 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:27:52,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:27:52,992 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:52,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:52,993 INFO L82 PathProgramCache]: Analyzing trace with hash -431842604, now seen corresponding path program 1 times [2020-10-27 17:27:52,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:52,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [621202152] [2020-10-27 17:27:52,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:53,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:53,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:53,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:54,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:54,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 17:27:54,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:27:54,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1775 [2020-10-27 17:27:54,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:27:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-27 17:27:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 17:27:54,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:54,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:54,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:54,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:54,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:54,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:54,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:27:54,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:54,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:54,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:54,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:54,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:54,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:27:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:55,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:55,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:55,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 17:27:55,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:55,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 17:27:55,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:55,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:27:55,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:55,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 17:27:55,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:55,147 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:27:55,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [621202152] [2020-10-27 17:27:55,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:27:55,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:27:55,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020451068] [2020-10-27 17:27:55,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:27:55,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:27:55,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:27:55,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:27:55,151 INFO L87 Difference]: Start difference. First operand 444 states and 554 transitions. Second operand 5 states. [2020-10-27 17:27:56,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:27:56,518 INFO L93 Difference]: Finished difference Result 886 states and 1128 transitions. [2020-10-27 17:27:56,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:27:56,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-10-27 17:27:56,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:27:56,530 INFO L225 Difference]: With dead ends: 886 [2020-10-27 17:27:56,531 INFO L226 Difference]: Without dead ends: 883 [2020-10-27 17:27:56,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:27:56,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2020-10-27 17:27:56,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 591. [2020-10-27 17:27:56,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-27 17:27:56,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 784 transitions. [2020-10-27 17:27:56,596 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 784 transitions. Word has length 109 [2020-10-27 17:27:56,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:27:56,599 INFO L481 AbstractCegarLoop]: Abstraction has 591 states and 784 transitions. [2020-10-27 17:27:56,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:27:56,599 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 784 transitions. [2020-10-27 17:27:56,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 17:27:56,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:56,608 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:27:56,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:27:56,609 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:56,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:56,610 INFO L82 PathProgramCache]: Analyzing trace with hash 479618768, now seen corresponding path program 1 times [2020-10-27 17:27:56,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:56,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [594140192] [2020-10-27 17:27:56,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:56,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:56,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:57,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:57,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-27 17:27:57,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:27:57,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 445 [2020-10-27 17:27:57,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:57,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:27:57,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 17:27:57,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 17:27:57,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:27:57,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:57,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:57,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:57,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:57,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:57,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:27:57,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:57,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:57,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:57,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:57,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:57,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:27:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:57,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:57,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:57,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 17:27:57,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:57,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-27 17:27:57,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:57,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:27:57,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:57,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 17:27:57,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:57,484 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:27:57,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [594140192] [2020-10-27 17:27:57,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:27:57,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:27:57,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881313791] [2020-10-27 17:27:57,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:27:57,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:27:57,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:27:57,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:27:57,489 INFO L87 Difference]: Start difference. First operand 591 states and 784 transitions. Second operand 5 states. [2020-10-27 17:27:58,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:27:58,582 INFO L93 Difference]: Finished difference Result 1203 states and 1605 transitions. [2020-10-27 17:27:58,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:27:58,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2020-10-27 17:27:58,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:27:58,587 INFO L225 Difference]: With dead ends: 1203 [2020-10-27 17:27:58,587 INFO L226 Difference]: Without dead ends: 595 [2020-10-27 17:27:58,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:27:58,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2020-10-27 17:27:58,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 591. [2020-10-27 17:27:58,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-27 17:27:58,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 781 transitions. [2020-10-27 17:27:58,616 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 781 transitions. Word has length 111 [2020-10-27 17:27:58,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:27:58,616 INFO L481 AbstractCegarLoop]: Abstraction has 591 states and 781 transitions. [2020-10-27 17:27:58,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:27:58,616 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 781 transitions. [2020-10-27 17:27:58,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-27 17:27:58,620 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:58,620 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:27:58,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:27:58,620 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:58,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:58,621 INFO L82 PathProgramCache]: Analyzing trace with hash -339272088, now seen corresponding path program 1 times [2020-10-27 17:27:58,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:58,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [189080152] [2020-10-27 17:27:58,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:58,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:58,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:59,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:59,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:59,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-27 17:27:59,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:27:59,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1118 [2020-10-27 17:27:59,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:59,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:27:59,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 132 [2020-10-27 17:27:59,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 17:27:59,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:59,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:59,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:59,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:59,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:59,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:59,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:27:59,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:59,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:59,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:59,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:59,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:59,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:27:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:59,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:00,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:00,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-27 17:28:00,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:00,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-27 17:28:00,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:00,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:00,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:00,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-27 17:28:00,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:28:00,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [189080152] [2020-10-27 17:28:00,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:00,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:00,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645041152] [2020-10-27 17:28:00,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:00,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:00,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:00,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:00,214 INFO L87 Difference]: Start difference. First operand 591 states and 781 transitions. Second operand 5 states. [2020-10-27 17:28:01,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:01,273 INFO L93 Difference]: Finished difference Result 1198 states and 1592 transitions. [2020-10-27 17:28:01,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:01,274 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2020-10-27 17:28:01,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:01,278 INFO L225 Difference]: With dead ends: 1198 [2020-10-27 17:28:01,278 INFO L226 Difference]: Without dead ends: 595 [2020-10-27 17:28:01,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:28:01,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2020-10-27 17:28:01,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 591. [2020-10-27 17:28:01,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-27 17:28:01,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 777 transitions. [2020-10-27 17:28:01,306 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 777 transitions. Word has length 154 [2020-10-27 17:28:01,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:01,307 INFO L481 AbstractCegarLoop]: Abstraction has 591 states and 777 transitions. [2020-10-27 17:28:01,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:01,307 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 777 transitions. [2020-10-27 17:28:01,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-27 17:28:01,310 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:01,310 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:28:01,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:28:01,311 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:01,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:01,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1963730112, now seen corresponding path program 1 times [2020-10-27 17:28:01,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:01,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7370778] [2020-10-27 17:28:01,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:01,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:01,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:02,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:02,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:04,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:04,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-27 17:28:04,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:28:04,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3476 [2020-10-27 17:28:04,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:04,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:04,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-10-27 17:28:04,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 17:28:04,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:04,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:04,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:04,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:04,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:04,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:04,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:28:04,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:04,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:04,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:04,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:04,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:04,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:04,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:05,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:05,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 17:28:05,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:05,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 17:28:05,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:05,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:05,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:05,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:05,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:05,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 17:28:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:05,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:05,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:05,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-27 17:28:05,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:05,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 17:28:05,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:05,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:05,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:05,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 17:28:05,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:05,187 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 49 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-27 17:28:05,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7370778] [2020-10-27 17:28:05,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:05,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:05,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137561584] [2020-10-27 17:28:05,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:05,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:05,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:05,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:05,190 INFO L87 Difference]: Start difference. First operand 591 states and 777 transitions. Second operand 5 states. [2020-10-27 17:28:06,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:06,275 INFO L93 Difference]: Finished difference Result 1196 states and 1581 transitions. [2020-10-27 17:28:06,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:06,276 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 191 [2020-10-27 17:28:06,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:06,282 INFO L225 Difference]: With dead ends: 1196 [2020-10-27 17:28:06,282 INFO L226 Difference]: Without dead ends: 595 [2020-10-27 17:28:06,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:28:06,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2020-10-27 17:28:06,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 591. [2020-10-27 17:28:06,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-27 17:28:06,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 775 transitions. [2020-10-27 17:28:06,319 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 775 transitions. Word has length 191 [2020-10-27 17:28:06,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:06,319 INFO L481 AbstractCegarLoop]: Abstraction has 591 states and 775 transitions. [2020-10-27 17:28:06,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:06,320 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 775 transitions. [2020-10-27 17:28:06,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-27 17:28:06,323 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:06,323 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:28:06,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:28:06,324 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:06,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:06,326 INFO L82 PathProgramCache]: Analyzing trace with hash -729205456, now seen corresponding path program 1 times [2020-10-27 17:28:06,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:06,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1874606129] [2020-10-27 17:28:06,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:06,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:06,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:07,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:07,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:09,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:09,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-27 17:28:09,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:28:09,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3551 [2020-10-27 17:28:09,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:09,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:09,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 179 [2020-10-27 17:28:09,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 17:28:09,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:28:10,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:10,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:10,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:10,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:10,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:10,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:28:10,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:10,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:10,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:10,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:10,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:10,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:10,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:10,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:10,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 17:28:10,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:10,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 17:28:10,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:10,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:10,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:10,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:10,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:10,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 17:28:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:10,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:10,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:10,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 17:28:10,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:10,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-27 17:28:10,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:10,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:10,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:10,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 17:28:10,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:10,330 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 49 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-27 17:28:10,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1874606129] [2020-10-27 17:28:10,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:10,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:10,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780579254] [2020-10-27 17:28:10,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:10,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:10,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:10,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:10,334 INFO L87 Difference]: Start difference. First operand 591 states and 775 transitions. Second operand 5 states. [2020-10-27 17:28:11,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:11,822 INFO L93 Difference]: Finished difference Result 1470 states and 2019 transitions. [2020-10-27 17:28:11,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:11,824 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 199 [2020-10-27 17:28:11,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:11,831 INFO L225 Difference]: With dead ends: 1470 [2020-10-27 17:28:11,831 INFO L226 Difference]: Without dead ends: 885 [2020-10-27 17:28:11,834 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:28:11,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2020-10-27 17:28:11,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 881. [2020-10-27 17:28:11,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2020-10-27 17:28:11,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1111 transitions. [2020-10-27 17:28:11,867 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1111 transitions. Word has length 199 [2020-10-27 17:28:11,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:11,868 INFO L481 AbstractCegarLoop]: Abstraction has 881 states and 1111 transitions. [2020-10-27 17:28:11,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:11,868 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1111 transitions. [2020-10-27 17:28:11,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-27 17:28:11,873 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:11,874 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:28:11,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 17:28:11,874 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:11,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:11,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1468087048, now seen corresponding path program 1 times [2020-10-27 17:28:11,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:11,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958373627] [2020-10-27 17:28:11,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:11,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:11,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:12,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:13,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:15,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:15,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-27 17:28:15,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:28:15,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3225 [2020-10-27 17:28:15,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:15,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:15,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-10-27 17:28:15,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 17:28:15,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:15,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:15,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:15,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:15,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:15,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:15,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:28:15,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:15,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:15,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:15,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:15,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:15,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:15,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:15,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:15,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 17:28:15,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:15,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 17:28:15,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:15,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:15,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:15,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:15,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:15,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 17:28:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:15,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:15,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:15,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 17:28:15,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:15,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-27 17:28:15,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:15,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:15,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:15,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-27 17:28:15,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:15,539 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 49 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-27 17:28:15,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [958373627] [2020-10-27 17:28:15,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:15,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:15,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053233397] [2020-10-27 17:28:15,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:15,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:15,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:15,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:15,543 INFO L87 Difference]: Start difference. First operand 881 states and 1111 transitions. Second operand 5 states. [2020-10-27 17:28:17,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:17,048 INFO L93 Difference]: Finished difference Result 2047 states and 2558 transitions. [2020-10-27 17:28:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:17,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 228 [2020-10-27 17:28:17,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:17,050 INFO L225 Difference]: With dead ends: 2047 [2020-10-27 17:28:17,050 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 17:28:17,055 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:28:17,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 17:28:17,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 17:28:17,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 17:28:17,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 17:28:17,056 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 228 [2020-10-27 17:28:17,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:17,057 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 17:28:17,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:17,057 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 17:28:17,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 17:28:17,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 17:28:17,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 17:28:17,242 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 40 [2020-10-27 17:28:17,537 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 40 [2020-10-27 17:28:17,713 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2020-10-27 17:28:18,250 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 76 [2020-10-27 17:28:18,412 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2020-10-27 17:28:18,526 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2020-10-27 17:28:18,530 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 17:28:18,530 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 17:28:18,530 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 17:28:18,531 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 17:28:18,531 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:28:18,531 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-27 17:28:18,531 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:28:18,531 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-27 17:28:18,532 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-27 17:28:18,532 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-27 17:28:18,532 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-27 17:28:18,532 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-27 17:28:18,532 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-27 17:28:18,532 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-27 17:28:18,532 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-27 17:28:18,532 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-27 17:28:18,534 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-27 17:28:18,534 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-27 17:28:18,534 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-27 17:28:18,535 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-27 17:28:18,535 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,535 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,535 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,535 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,538 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,538 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,538 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-27 17:28:18,538 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-27 17:28:18,538 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-27 17:28:18,538 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-27 17:28:18,538 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-27 17:28:18,538 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-27 17:28:18,539 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-27 17:28:18,539 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-27 17:28:18,539 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-27 17:28:18,539 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-27 17:28:18,539 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-27 17:28:18,539 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,539 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,539 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,539 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,540 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,540 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-27 17:28:18,540 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-27 17:28:18,540 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-27 17:28:18,540 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-27 17:28:18,541 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-27 17:28:18,541 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-27 17:28:18,541 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-27 17:28:18,541 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-27 17:28:18,541 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-27 17:28:18,541 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-27 17:28:18,541 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-27 17:28:18,542 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-27 17:28:18,542 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-27 17:28:18,542 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-27 17:28:18,542 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,542 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,544 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,544 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,544 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,544 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-27 17:28:18,544 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-27 17:28:18,544 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-27 17:28:18,544 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-27 17:28:18,545 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-27 17:28:18,545 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-27 17:28:18,545 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-27 17:28:18,545 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-27 17:28:18,545 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-27 17:28:18,545 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-27 17:28:18,545 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,545 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,545 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,545 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,546 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,546 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-27 17:28:18,546 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-27 17:28:18,546 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-27 17:28:18,546 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-27 17:28:18,546 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-27 17:28:18,546 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-27 17:28:18,547 INFO L270 CegarLoopResult]: At program point L81(line 81) the Hoare annotation is: (let ((.cse2 (not (= |old(~a10~0)| 1))) (.cse0 (not (= 14 ~a4~0))) (.cse3 (not (= 7 |old(~a19~0)|))) (.cse1 (not (= ~a12~0 0)))) (and (or (not (<= 331498 |old(~a1~0)|)) (not (<= 8 |old(~a19~0)|)) .cse0 (not (<= 1 |old(~a10~0)|)) (not (<= |old(~a10~0)| 1)) .cse1) (or .cse2 .cse0 (not (<= |old(~a1~0)| 33)) .cse3 (not (<= 0 (+ |old(~a1~0)| 12))) .cse1) (not (= 6 |old(~a19~0)|)) (not (<= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (or (not (<= 221 |old(~a1~0)|)) .cse2 .cse0 .cse3 .cse1) (not (= 2 |old(~a10~0)|)) (not (= 4 |old(~a10~0)|)))) [2020-10-27 17:28:18,548 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-27 17:28:18,548 INFO L274 CegarLoopResult]: For program point L81-1(line 81) no Hoare annotation was computed. [2020-10-27 17:28:18,548 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-27 17:28:18,548 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-27 17:28:18,549 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-27 17:28:18,549 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-27 17:28:18,549 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-27 17:28:18,549 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,549 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,549 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,549 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,549 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,549 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-27 17:28:18,550 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-27 17:28:18,550 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-27 17:28:18,550 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 17:28:18,551 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-27 17:28:18,551 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,551 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,551 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-27 17:28:18,551 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-27 17:28:18,551 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-27 17:28:18,551 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-27 17:28:18,551 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,552 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,552 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,552 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,552 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,552 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-27 17:28:18,552 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-27 17:28:18,552 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-27 17:28:18,552 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-27 17:28:18,552 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-27 17:28:18,552 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-27 17:28:18,553 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-27 17:28:18,553 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-27 17:28:18,553 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-27 17:28:18,553 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-27 17:28:18,553 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-27 17:28:18,554 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-27 17:28:18,554 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-27 17:28:18,554 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,554 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,554 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,555 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,555 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-27 17:28:18,555 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,555 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,555 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-27 17:28:18,555 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-27 17:28:18,555 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-27 17:28:18,555 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-27 17:28:18,555 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-27 17:28:18,555 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-27 17:28:18,556 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-27 17:28:18,556 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-27 17:28:18,556 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-27 17:28:18,556 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-27 17:28:18,556 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-27 17:28:18,556 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-27 17:28:18,556 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-27 17:28:18,556 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,556 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,556 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,556 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,557 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,557 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,557 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-27 17:28:18,557 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse1 (= ~a1~0 |old(~a1~0)|)) (.cse2 (= ~a10~0 |old(~a10~0)|))) (let ((.cse4 (and .cse1 (= ~a19~0 |old(~a19~0)|) .cse2)) (.cse5 (and (= 7 ~a19~0) .cse1 .cse2)) (.cse6 (not (= |old(~a10~0)| 1))) (.cse0 (not (= 14 ~a4~0))) (.cse7 (not (= 7 |old(~a19~0)|))) (.cse3 (not (= ~a12~0 0)))) (and (or (not (<= |old(~a19~0)| 8)) (not (<= 331498 |old(~a1~0)|)) (not (<= 8 |old(~a19~0)|)) .cse0 (and (<= 8 ~a19~0) (<= ~a19~0 8) .cse1 .cse2) (not (<= 1 |old(~a10~0)|)) (not (<= |old(~a10~0)| 1)) .cse3) (or (not (= 6 |old(~a19~0)|)) (and .cse1 (= ~a19~0 6) .cse2)) (or .cse4 (not (= 4 |old(~a10~0)|))) (or .cse5 (not (<= 221 |old(~a1~0)|)) .cse6 .cse0 .cse7 .cse3) (or (not (<= 9 |old(~a19~0)|)) .cse4) (or .cse4 (not (= 2 |old(~a10~0)|))) (or .cse4 (not (= 0 |old(~a10~0)|))) (or .cse5 .cse6 .cse0 (not (<= |old(~a1~0)| 33)) .cse7 (not (<= 0 (+ |old(~a1~0)| 12))) .cse3)))) [2020-10-27 17:28:18,557 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-27 17:28:18,557 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-27 17:28:18,558 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-27 17:28:18,558 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-27 17:28:18,558 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-27 17:28:18,558 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-27 17:28:18,558 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-27 17:28:18,558 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-27 17:28:18,558 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-27 17:28:18,558 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-27 17:28:18,558 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-27 17:28:18,558 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-27 17:28:18,558 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-27 17:28:18,559 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,559 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,559 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,559 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,559 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,559 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,559 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-27 17:28:18,559 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-27 17:28:18,559 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-27 17:28:18,559 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-27 17:28:18,559 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-27 17:28:18,560 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-27 17:28:18,560 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-27 17:28:18,560 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-27 17:28:18,560 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-27 17:28:18,560 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-27 17:28:18,560 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-27 17:28:18,560 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-27 17:28:18,560 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-27 17:28:18,560 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,560 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,561 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,561 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,561 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,561 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,561 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-27 17:28:18,561 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-27 17:28:18,561 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-27 17:28:18,561 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-27 17:28:18,561 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-27 17:28:18,561 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-27 17:28:18,561 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-27 17:28:18,562 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-27 17:28:18,562 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-27 17:28:18,562 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-27 17:28:18,562 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-27 17:28:18,562 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-27 17:28:18,562 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,562 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,562 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,562 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,562 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,563 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:18,563 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:28:18,563 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 9 ~a19~0) (= ~a10~0 0)) [2020-10-27 17:28:18,563 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 17:28:18,563 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:28:18,563 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (<= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 0 |old(~a10~0)|))) [2020-10-27 17:28:18,563 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-27 17:28:18,564 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (= ~a10~0 1)) (.cse1 (= 7 ~a19~0)) (.cse2 (= 14 ~a4~0)) (.cse3 (= ~a12~0 0))) (or (and (<= 0 (+ ~a1~0 12)) .cse0 .cse1 .cse2 (<= ~a1~0 33) .cse3) (not (<= 9 |old(~a19~0)|)) (<= 9 ~a19~0) (= ~a10~0 0) (= ~a10~0 2) (and (<= 331498 ~a1~0) (<= 8 ~a19~0) .cse2 (<= 1 ~a10~0) .cse3 (<= ~a10~0 1)) (and .cse0 .cse1 .cse2 .cse3 (<= 221 ~a1~0)) (not (= 0 |old(~a10~0)|)) (= ~a19~0 6) (= ~a10~0 4))) [2020-10-27 17:28:18,564 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-27 17:28:18,564 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-27 17:28:18,564 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (= ~a10~0 1)) (.cse1 (= 7 ~a19~0)) (.cse2 (= 14 ~a4~0)) (.cse3 (= ~a12~0 0))) (or (and (<= 0 (+ ~a1~0 12)) .cse0 .cse1 .cse2 (<= ~a1~0 33) .cse3) (not (<= 9 |old(~a19~0)|)) (<= 9 ~a19~0) (= ~a10~0 0) (= ~a10~0 2) (and (<= 331498 ~a1~0) (<= 8 ~a19~0) .cse2 (<= 1 ~a10~0) .cse3 (<= ~a10~0 1)) (and .cse0 .cse1 .cse2 .cse3 (<= 221 ~a1~0)) (not (= 0 |old(~a10~0)|)) (= ~a19~0 6) (= ~a10~0 4))) [2020-10-27 17:28:18,564 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-27 17:28:18,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:28:18 BoogieIcfgContainer [2020-10-27 17:28:18,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:28:18,600 INFO L168 Benchmark]: Toolchain (without parser) took 33688.75 ms. Allocated memory was 156.2 MB in the beginning and 692.1 MB in the end (delta: 535.8 MB). Free memory was 130.0 MB in the beginning and 279.4 MB in the end (delta: -149.4 MB). Peak memory consumption was 386.6 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:18,600 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 156.2 MB. Free memory is still 129.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:28:18,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.10 ms. Allocated memory is still 156.2 MB. Free memory was 129.4 MB in the beginning and 102.7 MB in the end (delta: 26.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:18,602 INFO L168 Benchmark]: Boogie Preprocessor took 103.20 ms. Allocated memory is still 156.2 MB. Free memory was 102.7 MB in the beginning and 98.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:18,603 INFO L168 Benchmark]: RCFGBuilder took 1520.43 ms. Allocated memory was 156.2 MB in the beginning and 191.9 MB in the end (delta: 35.7 MB). Free memory was 98.1 MB in the beginning and 159.8 MB in the end (delta: -61.7 MB). Peak memory consumption was 50.6 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:18,607 INFO L168 Benchmark]: TraceAbstraction took 31409.21 ms. Allocated memory was 191.9 MB in the beginning and 692.1 MB in the end (delta: 500.2 MB). Free memory was 159.8 MB in the beginning and 279.4 MB in the end (delta: -119.6 MB). Peak memory consumption was 380.1 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:18,619 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 156.2 MB. Free memory is still 129.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 644.10 ms. Allocated memory is still 156.2 MB. Free memory was 129.4 MB in the beginning and 102.7 MB in the end (delta: 26.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 103.20 ms. Allocated memory is still 156.2 MB. Free memory was 102.7 MB in the beginning and 98.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1520.43 ms. Allocated memory was 156.2 MB in the beginning and 191.9 MB in the end (delta: 35.7 MB). Free memory was 98.1 MB in the beginning and 159.8 MB in the end (delta: -61.7 MB). Peak memory consumption was 50.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 31409.21 ms. Allocated memory was 191.9 MB in the beginning and 692.1 MB in the end (delta: 500.2 MB). Free memory was 159.8 MB in the beginning and 279.4 MB in the end (delta: -119.6 MB). Peak memory consumption was 380.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((((((((((((0 <= a1 + 12 && a10 == 1) && 7 == a19) && 14 == a4) && a1 <= 33) && a12 == 0) || !(9 <= \old(a19))) || 9 <= a19) || a10 == 0) || a10 == 2) || (((((331498 <= a1 && 8 <= a19) && 14 == a4) && 1 <= a10) && a12 == 0) && a10 <= 1)) || ((((a10 == 1 && 7 == a19) && 14 == a4) && a12 == 0) && 221 <= a1)) || !(0 == \old(a10))) || a19 == 6) || a10 == 4 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.8s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 191 SDtfs, 2154 SDslu, 141 SDs, 0 SdLazy, 5157 SolverSat, 529 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=881occurred 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: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 316 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 88 PreInvPairs, 112 NumberOfFragments, 529 HoareAnnotationTreeSize, 88 FomulaSimplifications, 69434 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 856 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 17.5s InterpolantComputationTime, 1126 NumberOfCodeBlocks, 1126 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1118 ConstructedInterpolants, 0 QuantifiedInterpolants, 458778 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 461/471 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...