/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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/Problem02_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:11:19,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:11:19,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:11:19,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:11:19,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:11:19,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:11:19,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:11:19,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:11:19,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:11:19,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:11:19,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:11:19,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:11:19,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:11:19,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:11:19,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:11:19,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:11:19,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:11:19,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:11:19,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:11:19,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:11:19,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:11:19,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:11:19,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:11:19,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:11:19,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:11:19,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:11:19,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:11:19,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:11:19,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:11:19,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:11:19,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:11:19,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:11:19,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:11:19,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:11:19,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:11:19,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:11:19,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:11:19,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:11:19,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:11:19,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:11:19,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:11:19,245 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 [2020-10-28 10:11:19,299 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:11:19,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:11:19,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:11:19,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:11:19,303 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:11:19,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:11:19,304 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:11:19,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:11:19,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:11:19,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:11:19,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:11:19,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:11:19,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:11:19,306 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:11:19,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:11:19,307 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:11:19,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:11:19,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:11:19,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:11:19,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:11:19,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:11:19,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:11:19,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:11:19,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:11:19,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:11:19,309 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:11:19,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:11:19,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:11:19,310 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:11:19,310 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:11:19,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:11:19,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:11:19,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:11:19,778 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:11:19,778 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:11:19,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2020-10-28 10:11:19,866 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1c3f217fe/c5d34f6a763c429fb8a1429992d800bd/FLAGebc761c34 [2020-10-28 10:11:20,642 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:11:20,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2020-10-28 10:11:20,659 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1c3f217fe/c5d34f6a763c429fb8a1429992d800bd/FLAGebc761c34 [2020-10-28 10:11:20,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1c3f217fe/c5d34f6a763c429fb8a1429992d800bd [2020-10-28 10:11:20,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:11:20,888 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:11:20,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:11:20,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:11:20,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:11:20,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:11:20" (1/1) ... [2020-10-28 10:11:20,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77b3ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:20, skipping insertion in model container [2020-10-28 10:11:20,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:11:20" (1/1) ... [2020-10-28 10:11:20,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:11:20,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:11:21,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:11:21,504 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:11:21,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:11:21,633 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:11:21,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:21 WrapperNode [2020-10-28 10:11:21,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:11:21,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:11:21,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:11:21,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:11:21,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:21" (1/1) ... [2020-10-28 10:11:21,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:21" (1/1) ... [2020-10-28 10:11:21,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:21" (1/1) ... [2020-10-28 10:11:21,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:21" (1/1) ... [2020-10-28 10:11:21,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:21" (1/1) ... [2020-10-28 10:11:21,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:21" (1/1) ... [2020-10-28 10:11:21,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:21" (1/1) ... [2020-10-28 10:11:21,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:11:21,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:11:21,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:11:21,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:11:21,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:11:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:11:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:11:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:11:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:11:21,862 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:11:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:11:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:11:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:11:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:11:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:11:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:11:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:11:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:11:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:11:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:11:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:11:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:11:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:11:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:11:23,346 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:11:23,347 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:11:23,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:11:23 BoogieIcfgContainer [2020-10-28 10:11:23,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:11:23,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:11:23,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:11:23,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:11:23,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:11:20" (1/3) ... [2020-10-28 10:11:23,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b88652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:11:23, skipping insertion in model container [2020-10-28 10:11:23,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:21" (2/3) ... [2020-10-28 10:11:23,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b88652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:11:23, skipping insertion in model container [2020-10-28 10:11:23,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:11:23" (3/3) ... [2020-10-28 10:11:23,358 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label53.c [2020-10-28 10:11:23,369 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:11:23,374 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:11:23,384 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:11:23,410 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:11:23,410 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:11:23,410 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:11:23,410 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:11:23,410 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:11:23,411 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:11:23,411 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:11:23,411 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:11:23,435 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-28 10:11:23,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-28 10:11:23,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:11:23,453 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:11:23,453 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:11:23,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:11:23,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1346906187, now seen corresponding path program 1 times [2020-10-28 10:11:23,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:11:23,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588826775] [2020-10-28 10:11:23,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:11:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:23,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:24,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:25,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:25,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-28 10:11:25,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:11:25,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1646 [2020-10-28 10:11:25,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:25,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:25,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:11:25,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:11:25,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-28 10:11:25,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 10:11:25,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:11:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:25,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:25,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:25,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:11:25,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:25,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 10:11:25,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:25,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:25,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:25,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:25,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:11:25,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:11:25,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:11:25,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [588826775] [2020-10-28 10:11:25,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:11:25,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:11:25,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495138278] [2020-10-28 10:11:25,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:11:25,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:11:25,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:11:25,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:11:25,716 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-28 10:11:25,872 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-28 10:11:27,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:11:27,735 INFO L93 Difference]: Finished difference Result 676 states and 1131 transitions. [2020-10-28 10:11:27,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:11:27,737 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 145 [2020-10-28 10:11:27,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:11:27,752 INFO L225 Difference]: With dead ends: 676 [2020-10-28 10:11:27,752 INFO L226 Difference]: Without dead ends: 342 [2020-10-28 10:11:27,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:11:27,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-28 10:11:27,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 333. [2020-10-28 10:11:27,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-10-28 10:11:27,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 481 transitions. [2020-10-28 10:11:27,849 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 481 transitions. Word has length 145 [2020-10-28 10:11:27,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:11:27,850 INFO L481 AbstractCegarLoop]: Abstraction has 333 states and 481 transitions. [2020-10-28 10:11:27,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:11:27,851 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 481 transitions. [2020-10-28 10:11:27,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-28 10:11:27,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:11:27,857 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:11:27,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:11:27,858 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:11:27,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:11:27,859 INFO L82 PathProgramCache]: Analyzing trace with hash 465566721, now seen corresponding path program 1 times [2020-10-28 10:11:27,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:11:27,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1305875533] [2020-10-28 10:11:27,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:11:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:27,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:27,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:28,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:29,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:29,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:29,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-28 10:11:29,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:11:29,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1838 [2020-10-28 10:11:29,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:29,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:29,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:11:29,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 10:11:29,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-28 10:11:29,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:11:29,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:11:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:30,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:30,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:30,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:11:30,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:30,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 10:11:30,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:30,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:30,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:30,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:30,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 10:11:30,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:11:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:30,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:30,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:30,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 10:11:30,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:30,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 10:11:30,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:30,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:30,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:30,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:30,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 10:11:30,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:11:30,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1305875533] [2020-10-28 10:11:30,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:11:30,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:11:30,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668385088] [2020-10-28 10:11:30,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:11:30,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:11:30,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:11:30,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:11:30,193 INFO L87 Difference]: Start difference. First operand 333 states and 481 transitions. Second operand 5 states. [2020-10-28 10:11:30,328 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-28 10:11:31,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:11:31,833 INFO L93 Difference]: Finished difference Result 963 states and 1425 transitions. [2020-10-28 10:11:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:11:31,834 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-10-28 10:11:31,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:11:31,842 INFO L225 Difference]: With dead ends: 963 [2020-10-28 10:11:31,842 INFO L226 Difference]: Without dead ends: 636 [2020-10-28 10:11:31,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:11:31,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-10-28 10:11:31,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 628. [2020-10-28 10:11:31,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2020-10-28 10:11:31,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 877 transitions. [2020-10-28 10:11:31,925 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 877 transitions. Word has length 153 [2020-10-28 10:11:31,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:11:31,926 INFO L481 AbstractCegarLoop]: Abstraction has 628 states and 877 transitions. [2020-10-28 10:11:31,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:11:31,926 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 877 transitions. [2020-10-28 10:11:31,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-28 10:11:31,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:11:31,932 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:11:31,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:11:31,932 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:11:31,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:11:31,933 INFO L82 PathProgramCache]: Analyzing trace with hash -264855347, now seen corresponding path program 1 times [2020-10-28 10:11:31,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:11:31,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [238063111] [2020-10-28 10:11:31,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:11:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:31,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:32,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:32,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:32,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-28 10:11:32,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:11:32,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 553 [2020-10-28 10:11:32,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:32,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:32,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 10:11:32,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:11:32,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-28 10:11:32,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:32,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:11:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:32,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:32,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:32,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:11:32,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:32,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 10:11:32,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:32,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:32,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:32,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:32,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:11:32,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:11:32,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:11:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:32,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:32,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:32,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:32,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 10:11:32,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:11:32,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-28 10:11:32,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:32,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:32,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:11:32,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:11:32,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 10:11:32,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:11:32,969 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 10:11:32,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [238063111] [2020-10-28 10:11:32,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:11:32,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:11:32,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488855524] [2020-10-28 10:11:32,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 10:11:32,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:11:32,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 10:11:32,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:11:32,978 INFO L87 Difference]: Start difference. First operand 628 states and 877 transitions. Second operand 6 states. [2020-10-28 10:11:34,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:11:34,795 INFO L93 Difference]: Finished difference Result 1896 states and 2761 transitions. [2020-10-28 10:11:34,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:11:34,797 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 178 [2020-10-28 10:11:34,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:11:34,809 INFO L225 Difference]: With dead ends: 1896 [2020-10-28 10:11:34,809 INFO L226 Difference]: Without dead ends: 1274 [2020-10-28 10:11:34,812 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:11:34,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2020-10-28 10:11:34,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1246. [2020-10-28 10:11:34,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1246 states. [2020-10-28 10:11:34,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 1714 transitions. [2020-10-28 10:11:34,899 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 1714 transitions. Word has length 178 [2020-10-28 10:11:34,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:11:34,903 INFO L481 AbstractCegarLoop]: Abstraction has 1246 states and 1714 transitions. [2020-10-28 10:11:34,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 10:11:34,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1714 transitions. [2020-10-28 10:11:34,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-28 10:11:34,913 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:11:34,914 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:11:34,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:11:34,914 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:11:34,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:11:34,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1045451140, now seen corresponding path program 1 times [2020-10-28 10:11:34,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:11:34,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [433883788] [2020-10-28 10:11:34,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:11:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:34,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:35,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:35,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:36,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:37,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:37,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-28 10:11:37,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:11:37,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2975 [2020-10-28 10:11:37,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:37,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:37,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:11:37,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 10:11:37,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-28 10:11:37,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:38,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:11:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:38,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:38,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:38,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:11:38,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:38,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:11:38,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:38,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:38,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:38,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:38,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:38,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:11:38,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:11:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:38,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:38,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:38,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 10:11:38,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:38,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 10:11:38,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:38,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:38,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:38,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 10:11:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:38,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:38,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:38,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 10:11:38,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:38,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 10:11:38,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:38,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:38,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:38,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:38,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 10:11:38,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:38,281 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 10:11:38,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [433883788] [2020-10-28 10:11:38,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:11:38,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 10:11:38,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425988035] [2020-10-28 10:11:38,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 10:11:38,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:11:38,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 10:11:38,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:11:38,285 INFO L87 Difference]: Start difference. First operand 1246 states and 1714 transitions. Second operand 6 states. [2020-10-28 10:11:40,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:11:40,663 INFO L93 Difference]: Finished difference Result 4565 states and 6559 transitions. [2020-10-28 10:11:40,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:11:40,664 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 181 [2020-10-28 10:11:40,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:11:40,684 INFO L225 Difference]: With dead ends: 4565 [2020-10-28 10:11:40,684 INFO L226 Difference]: Without dead ends: 3325 [2020-10-28 10:11:40,689 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:11:40,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2020-10-28 10:11:40,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3312. [2020-10-28 10:11:40,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3312 states. [2020-10-28 10:11:40,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 4333 transitions. [2020-10-28 10:11:40,815 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 4333 transitions. Word has length 181 [2020-10-28 10:11:40,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:11:40,815 INFO L481 AbstractCegarLoop]: Abstraction has 3312 states and 4333 transitions. [2020-10-28 10:11:40,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 10:11:40,816 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 4333 transitions. [2020-10-28 10:11:40,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-28 10:11:40,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:11:40,830 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:11:40,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:11:40,831 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:11:40,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:11:40,832 INFO L82 PathProgramCache]: Analyzing trace with hash -624481952, now seen corresponding path program 1 times [2020-10-28 10:11:40,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:11:40,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2056052039] [2020-10-28 10:11:40,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:11:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:40,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:40,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:41,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:42,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:42,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:42,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-28 10:11:42,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:11:42,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2056 [2020-10-28 10:11:42,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:42,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:42,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:11:42,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 10:11:42,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-28 10:11:42,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:43,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:11:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:43,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:43,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:43,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:11:43,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:43,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 10:11:43,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:43,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:43,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:43,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:43,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:43,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:43,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:11:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:43,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:43,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:43,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 10:11:43,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:43,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 10:11:43,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:43,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:43,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:43,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:43,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 10:11:43,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:43,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 10:11:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:43,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:43,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:43,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:43,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 10:11:43,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:11:43,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 10:11:43,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:43,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:43,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:43,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:43,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 10:11:43,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:11:43,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 10:11:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:43,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:43,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:43,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 10:11:43,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:43,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 10:11:43,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:43,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:43,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:11:43,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:11:43,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 10:11:43,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:43,287 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-28 10:11:43,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2056052039] [2020-10-28 10:11:43,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:11:43,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 10:11:43,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034080311] [2020-10-28 10:11:43,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 10:11:43,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:11:43,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 10:11:43,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:11:43,290 INFO L87 Difference]: Start difference. First operand 3312 states and 4333 transitions. Second operand 8 states. [2020-10-28 10:11:44,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:11:44,516 INFO L93 Difference]: Finished difference Result 6632 states and 8919 transitions. [2020-10-28 10:11:44,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 10:11:44,516 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 195 [2020-10-28 10:11:44,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:11:44,538 INFO L225 Difference]: With dead ends: 6632 [2020-10-28 10:11:44,538 INFO L226 Difference]: Without dead ends: 3326 [2020-10-28 10:11:44,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-28 10:11:44,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3326 states. [2020-10-28 10:11:44,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3326 to 3282. [2020-10-28 10:11:44,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3282 states. [2020-10-28 10:11:44,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3282 states to 3282 states and 4128 transitions. [2020-10-28 10:11:44,672 INFO L78 Accepts]: Start accepts. Automaton has 3282 states and 4128 transitions. Word has length 195 [2020-10-28 10:11:44,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:11:44,672 INFO L481 AbstractCegarLoop]: Abstraction has 3282 states and 4128 transitions. [2020-10-28 10:11:44,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 10:11:44,672 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 4128 transitions. [2020-10-28 10:11:44,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-28 10:11:44,684 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:11:44,684 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:11:44,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 10:11:44,685 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:11:44,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:11:44,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1368301339, now seen corresponding path program 1 times [2020-10-28 10:11:44,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:11:44,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1871697101] [2020-10-28 10:11:44,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:11:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:44,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:44,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:45,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:46,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:47,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:47,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-28 10:11:47,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:11:47,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2914 [2020-10-28 10:11:47,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:47,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:47,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:11:47,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-28 10:11:47,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-28 10:11:47,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:47,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:11:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:47,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:47,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:47,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:11:47,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:47,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 10:11:47,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:47,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:47,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:47,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:47,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:47,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:47,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:11:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:47,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:47,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:47,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 10:11:47,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:47,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 10:11:47,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:47,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:47,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:47,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:47,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 10:11:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:47,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:47,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:47,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 10:11:47,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:47,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-28 10:11:47,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:47,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:47,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:47,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:47,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-28 10:11:47,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-28 10:11:47,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1871697101] [2020-10-28 10:11:47,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:11:47,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:11:47,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400361306] [2020-10-28 10:11:47,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:11:47,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:11:47,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:11:47,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:11:47,992 INFO L87 Difference]: Start difference. First operand 3282 states and 4128 transitions. Second operand 5 states. [2020-10-28 10:11:49,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:11:49,426 INFO L93 Difference]: Finished difference Result 6993 states and 8841 transitions. [2020-10-28 10:11:49,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:11:49,427 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2020-10-28 10:11:49,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:11:49,428 INFO L225 Difference]: With dead ends: 6993 [2020-10-28 10:11:49,428 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:11:49,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:11:49,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:11:49,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:11:49,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:11:49,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:11:49,444 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2020-10-28 10:11:49,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:11:49,444 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:11:49,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:11:49,445 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:11:49,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:11:49,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 10:11:49,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:11:49,850 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 23 [2020-10-28 10:11:50,098 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 33 [2020-10-28 10:11:50,613 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 37 [2020-10-28 10:11:50,940 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 24 [2020-10-28 10:11:50,945 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:11:50,945 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:11:50,945 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:11:50,946 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:11:50,946 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:11:50,946 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-28 10:11:50,946 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:11:50,946 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-28 10:11:50,946 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-28 10:11:50,946 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-28 10:11:50,947 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-28 10:11:50,947 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-28 10:11:50,947 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-28 10:11:50,947 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-28 10:11:50,947 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-28 10:11:50,947 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-28 10:11:50,947 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-28 10:11:50,947 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-28 10:11:50,948 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-28 10:11:50,948 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-28 10:11:50,948 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-28 10:11:50,948 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-28 10:11:50,948 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,948 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,948 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,948 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,948 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,949 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-28 10:11:50,949 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-28 10:11:50,949 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-28 10:11:50,949 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-28 10:11:50,949 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-28 10:11:50,949 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-28 10:11:50,949 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-28 10:11:50,950 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-28 10:11:50,950 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-28 10:11:50,950 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-28 10:11:50,950 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-28 10:11:50,950 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-28 10:11:50,950 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-28 10:11:50,950 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,950 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,951 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,951 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,951 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-28 10:11:50,951 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,951 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-28 10:11:50,951 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-28 10:11:50,951 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-28 10:11:50,951 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-28 10:11:50,952 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-28 10:11:50,952 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-28 10:11:50,952 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-28 10:11:50,952 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-28 10:11:50,952 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-28 10:11:50,952 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-28 10:11:50,952 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-28 10:11:50,952 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-28 10:11:50,953 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-28 10:11:50,953 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-28 10:11:50,953 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-28 10:11:50,953 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,953 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,953 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,953 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,953 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,954 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-28 10:11:50,954 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-28 10:11:50,954 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-28 10:11:50,954 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-28 10:11:50,954 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-28 10:11:50,954 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-28 10:11:50,954 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-28 10:11:50,954 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-28 10:11:50,954 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-28 10:11:50,955 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-28 10:11:50,955 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-28 10:11:50,955 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,955 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,955 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,955 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,955 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,955 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-28 10:11:50,956 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-28 10:11:50,956 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-28 10:11:50,956 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-28 10:11:50,956 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-28 10:11:50,956 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-28 10:11:50,956 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-28 10:11:50,956 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-28 10:11:50,956 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-28 10:11:50,957 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-28 10:11:50,957 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-28 10:11:50,957 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-28 10:11:50,957 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-28 10:11:50,957 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,957 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,957 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,957 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,958 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,958 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-28 10:11:50,958 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-28 10:11:50,958 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-28 10:11:50,958 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-28 10:11:50,958 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-28 10:11:50,958 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-28 10:11:50,958 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-28 10:11:50,959 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-28 10:11:50,959 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-28 10:11:50,959 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,959 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,959 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-28 10:11:50,959 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-28 10:11:50,959 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-28 10:11:50,959 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-28 10:11:50,960 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-28 10:11:50,960 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-28 10:11:50,960 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-28 10:11:50,960 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,960 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,960 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,960 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,960 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-28 10:11:50,960 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,960 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-28 10:11:50,961 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,961 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-28 10:11:50,961 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-28 10:11:50,961 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-28 10:11:50,961 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-28 10:11:50,961 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-28 10:11:50,961 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-28 10:11:50,961 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-28 10:11:50,961 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-28 10:11:50,962 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-28 10:11:50,962 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-28 10:11:50,962 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-28 10:11:50,962 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-28 10:11:50,962 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-28 10:11:50,962 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-28 10:11:50,962 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,962 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,963 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,963 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,963 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,963 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,963 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-28 10:11:50,963 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-28 10:11:50,963 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-28 10:11:50,963 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-28 10:11:50,963 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-28 10:11:50,963 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-28 10:11:50,964 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-28 10:11:50,964 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-28 10:11:50,964 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-28 10:11:50,964 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-28 10:11:50,964 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-28 10:11:50,964 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,964 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,964 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,964 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,965 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,965 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,965 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-28 10:11:50,965 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-28 10:11:50,965 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-28 10:11:50,965 INFO L270 CegarLoopResult]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a17~0)| 8)))) (and (not (= 7 |old(~a17~0)|)) (or .cse0 (= 9 |old(~a28~0)|)) (or (not (<= |old(~a19~0)| 1)) .cse0 (not (<= 1 |old(~a19~0)|))) (or .cse0 (not (= 0 |old(~a25~0)|))))) [2020-10-28 10:11:50,965 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-28 10:11:50,966 INFO L274 CegarLoopResult]: For program point L588-1(line 588) no Hoare annotation was computed. [2020-10-28 10:11:50,966 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-28 10:11:50,966 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-28 10:11:50,966 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a17~0)| 8))) (.cse1 (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)))) (and (or (not (<= |old(~a19~0)| 1)) .cse0 .cse1 (not (<= 1 |old(~a19~0)|))) (or .cse0 .cse1 (not (= 0 |old(~a25~0)|))) (or (not (= 7 |old(~a17~0)|)) .cse1) (or .cse0 .cse1 (= 9 |old(~a28~0)|)))) [2020-10-28 10:11:50,966 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-28 10:11:50,966 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-28 10:11:50,966 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-28 10:11:50,967 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-28 10:11:50,967 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-28 10:11:50,967 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-28 10:11:50,967 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-28 10:11:50,967 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,967 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,967 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,967 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,967 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,968 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,968 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-28 10:11:50,968 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-28 10:11:50,968 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-28 10:11:50,968 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-28 10:11:50,968 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-28 10:11:50,968 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-28 10:11:50,968 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-28 10:11:50,968 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-28 10:11:50,969 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-28 10:11:50,969 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-28 10:11:50,969 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-28 10:11:50,969 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-28 10:11:50,969 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-28 10:11:50,969 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,969 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,969 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,969 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,970 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,970 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,970 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-28 10:11:50,970 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-28 10:11:50,970 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-28 10:11:50,970 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-28 10:11:50,970 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-28 10:11:50,970 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-28 10:11:50,970 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-28 10:11:50,971 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-28 10:11:50,971 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-28 10:11:50,971 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-28 10:11:50,971 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-28 10:11:50,971 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-28 10:11:50,971 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-28 10:11:50,971 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-28 10:11:50,971 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-28 10:11:50,971 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-28 10:11:50,972 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,972 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,972 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,972 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,972 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:11:50,972 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-28 10:11:50,972 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-28 10:11:50,972 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-28 10:11:50,972 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-28 10:11:50,973 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:11:50,973 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 0) (= ~a11~0 0) (<= ~a19~0 1) (<= ~a28~0 7) (<= ~a17~0 8) (<= 1 ~a19~0)) [2020-10-28 10:11:50,973 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:11:50,973 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:11:50,973 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a19~0)| 1)) (not (<= |old(~a17~0)| 8)) (= 7 ~a17~0) (not (= 0 |old(~a11~0)|)) (not (<= 1 |old(~a19~0)|)) (and (<= ~a19~0 1) .cse0 (<= 1 ~a19~0)) (and (not (= ~a28~0 9)) .cse0) (not (= 0 |old(~a25~0)|)) (and (= ~a25~0 0) .cse0))) [2020-10-28 10:11:50,973 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a19~0)| 1)) (not (<= |old(~a17~0)| 8)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (<= 1 |old(~a19~0)|)) (not (= 0 |old(~a25~0)|))) [2020-10-28 10:11:50,974 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-28 10:11:50,974 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-28 10:11:50,974 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a19~0)| 1)) (not (<= |old(~a17~0)| 8)) (= 7 ~a17~0) (not (= 0 |old(~a11~0)|)) (not (<= 1 |old(~a19~0)|)) (and (<= ~a19~0 1) .cse0 (<= 1 ~a19~0)) (and (not (= ~a28~0 9)) .cse0) (not (= 0 |old(~a25~0)|)) (and (= ~a25~0 0) .cse0))) [2020-10-28 10:11:50,974 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-28 10:11:50,974 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-28 10:11:50,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:11:50 BoogieIcfgContainer [2020-10-28 10:11:50,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:11:50,996 INFO L168 Benchmark]: Toolchain (without parser) took 30111.11 ms. Allocated memory was 153.1 MB in the beginning and 594.5 MB in the end (delta: 441.5 MB). Free memory was 126.9 MB in the beginning and 496.1 MB in the end (delta: -369.2 MB). Peak memory consumption was 353.6 MB. Max. memory is 8.0 GB. [2020-10-28 10:11:50,997 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 153.1 MB. Free memory is still 130.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:11:50,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.21 ms. Allocated memory is still 153.1 MB. Free memory was 126.3 MB in the beginning and 100.8 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:11:50,998 INFO L168 Benchmark]: Boogie Preprocessor took 126.52 ms. Allocated memory is still 153.1 MB. Free memory was 100.8 MB in the beginning and 132.5 MB in the end (delta: -31.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 8.0 GB. [2020-10-28 10:11:50,999 INFO L168 Benchmark]: RCFGBuilder took 1585.10 ms. Allocated memory was 153.1 MB in the beginning and 195.0 MB in the end (delta: 41.9 MB). Free memory was 132.5 MB in the beginning and 146.8 MB in the end (delta: -14.4 MB). Peak memory consumption was 79.0 MB. Max. memory is 8.0 GB. [2020-10-28 10:11:51,000 INFO L168 Benchmark]: TraceAbstraction took 27643.21 ms. Allocated memory was 195.0 MB in the beginning and 594.5 MB in the end (delta: 399.5 MB). Free memory was 146.3 MB in the beginning and 496.1 MB in the end (delta: -349.8 MB). Peak memory consumption was 329.7 MB. Max. memory is 8.0 GB. [2020-10-28 10:11:51,004 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 153.1 MB. Free memory is still 130.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 744.21 ms. Allocated memory is still 153.1 MB. Free memory was 126.3 MB in the beginning and 100.8 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 126.52 ms. Allocated memory is still 153.1 MB. Free memory was 100.8 MB in the beginning and 132.5 MB in the end (delta: -31.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1585.10 ms. Allocated memory was 153.1 MB in the beginning and 195.0 MB in the end (delta: 41.9 MB). Free memory was 132.5 MB in the beginning and 146.8 MB in the end (delta: -14.4 MB). Peak memory consumption was 79.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 27643.21 ms. Allocated memory was 195.0 MB in the beginning and 594.5 MB in the end (delta: 399.5 MB). Free memory was 146.3 MB in the beginning and 496.1 MB in the end (delta: -349.8 MB). Peak memory consumption was 329.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((((!(\old(a28) <= 7) || !(\old(a19) <= 1)) || !(\old(a17) <= 8)) || 7 == a17) || !(0 == \old(a11))) || !(1 <= \old(a19))) || ((a19 <= 1 && a17 <= 8) && 1 <= a19)) || (!(a28 == 9) && a17 <= 8)) || !(0 == \old(a25))) || (a25 == 0 && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.0s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 203 SDtfs, 2554 SDslu, 219 SDs, 0 SdLazy, 4236 SolverSat, 838 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3312occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 102 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 180 PreInvPairs, 232 NumberOfFragments, 385 HoareAnnotationTreeSize, 180 FomulaSimplifications, 14818 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3258 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 1078 NumberOfCodeBlocks, 1078 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1072 ConstructedInterpolants, 0 QuantifiedInterpolants, 693319 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 187/223 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...