/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=SHALLOWEST --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_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 20:38:26,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 20:38:26,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 20:38:26,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 20:38:26,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 20:38:26,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 20:38:26,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 20:38:26,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 20:38:26,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 20:38:26,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 20:38:26,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 20:38:26,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 20:38:26,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 20:38:26,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 20:38:26,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 20:38:26,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 20:38:26,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 20:38:26,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 20:38:26,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 20:38:26,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 20:38:26,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 20:38:26,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 20:38:26,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 20:38:26,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 20:38:26,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 20:38:26,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 20:38:26,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 20:38:26,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 20:38:26,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 20:38:26,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 20:38:26,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 20:38:26,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 20:38:26,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 20:38:26,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 20:38:26,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 20:38:26,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 20:38:26,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 20:38:26,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 20:38:26,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 20:38:26,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 20:38:26,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 20:38:26,331 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 [2020-10-26 20:38:26,396 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 20:38:26,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 20:38:26,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 20:38:26,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 20:38:26,399 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 20:38:26,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 20:38:26,400 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 20:38:26,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 20:38:26,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 20:38:26,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 20:38:26,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 20:38:26,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 20:38:26,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 20:38:26,403 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 20:38:26,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 20:38:26,404 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 20:38:26,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 20:38:26,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 20:38:26,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 20:38:26,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 20:38:26,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 20:38:26,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 20:38:26,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 20:38:26,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 20:38:26,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 20:38:26,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 20:38:26,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 20:38:26,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 20:38:26,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 20:38:26,407 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 20:38:26,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 20:38:26,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 20:38:26,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 20:38:26,889 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 20:38:26,890 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 20:38:26,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label21.c [2020-10-26 20:38:26,967 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd9e12866/da115728d84443eebbc53b96bd54293b/FLAG1146a2280 [2020-10-26 20:38:27,821 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 20:38:27,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label21.c [2020-10-26 20:38:27,834 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd9e12866/da115728d84443eebbc53b96bd54293b/FLAG1146a2280 [2020-10-26 20:38:28,027 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd9e12866/da115728d84443eebbc53b96bd54293b [2020-10-26 20:38:28,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 20:38:28,041 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 20:38:28,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 20:38:28,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 20:38:28,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 20:38:28,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:38:28" (1/1) ... [2020-10-26 20:38:28,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216b903f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:28, skipping insertion in model container [2020-10-26 20:38:28,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:38:28" (1/1) ... [2020-10-26 20:38:28,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 20:38:28,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 20:38:28,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:38:28,609 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 20:38:28,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:38:28,736 INFO L208 MainTranslator]: Completed translation [2020-10-26 20:38:28,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:28 WrapperNode [2020-10-26 20:38:28,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 20:38:28,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 20:38:28,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 20:38:28,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 20:38:28,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:28" (1/1) ... [2020-10-26 20:38:28,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:28" (1/1) ... [2020-10-26 20:38:28,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:28" (1/1) ... [2020-10-26 20:38:28,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:28" (1/1) ... [2020-10-26 20:38:28,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:28" (1/1) ... [2020-10-26 20:38:28,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:28" (1/1) ... [2020-10-26 20:38:28,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:28" (1/1) ... [2020-10-26 20:38:28,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 20:38:28,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 20:38:28,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 20:38:28,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 20:38:28,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:28" (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 [2020-10-26 20:38:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 20:38:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 20:38:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 20:38:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 20:38:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 20:38:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 20:38:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 20:38:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 20:38:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 20:38:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 20:38:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 20:38:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 20:38:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 20:38:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 20:38:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 20:38:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 20:38:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 20:38:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 20:38:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 20:38:30,687 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 20:38:30,688 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 20:38:30,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:38:30 BoogieIcfgContainer [2020-10-26 20:38:30,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 20:38:30,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 20:38:30,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 20:38:30,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 20:38:30,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:38:28" (1/3) ... [2020-10-26 20:38:30,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6987dc2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:38:30, skipping insertion in model container [2020-10-26 20:38:30,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:28" (2/3) ... [2020-10-26 20:38:30,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6987dc2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:38:30, skipping insertion in model container [2020-10-26 20:38:30,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:38:30" (3/3) ... [2020-10-26 20:38:30,701 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label21.c [2020-10-26 20:38:30,715 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 20:38:30,721 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 20:38:30,737 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 20:38:30,771 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 20:38:30,771 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 20:38:30,771 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 20:38:30,771 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 20:38:30,771 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 20:38:30,772 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 20:38:30,772 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 20:38:30,772 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 20:38:30,796 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-26 20:38:30,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-26 20:38:30,809 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:30,810 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] [2020-10-26 20:38:30,810 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:30,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:30,817 INFO L82 PathProgramCache]: Analyzing trace with hash 2002010637, now seen corresponding path program 1 times [2020-10-26 20:38:30,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:30,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1076166377] [2020-10-26 20:38:30,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:31,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:31,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:32,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:32,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-26 20:38:32,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:38:32,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1648 [2020-10-26 20:38:32,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:32,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:38:32,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:38:32,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-26 20:38:32,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 20:38:33,138 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-26 20:38:33,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:33,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:33,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:33,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:33,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:33,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-26 20:38:33,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:33,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:33,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:33,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:38:33,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:33,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:38:33,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1076166377] [2020-10-26 20:38:33,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:38:33,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-26 20:38:33,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85555896] [2020-10-26 20:38:33,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 20:38:33,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:33,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 20:38:33,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 20:38:33,303 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 5 states. [2020-10-26 20:38:33,548 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-26 20:38:36,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:36,121 INFO L93 Difference]: Finished difference Result 676 states and 1131 transitions. [2020-10-26 20:38:36,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 20:38:36,124 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2020-10-26 20:38:36,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:36,139 INFO L225 Difference]: With dead ends: 676 [2020-10-26 20:38:36,139 INFO L226 Difference]: Without dead ends: 342 [2020-10-26 20:38:36,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 20:38:36,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-26 20:38:36,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 333. [2020-10-26 20:38:36,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-10-26 20:38:36,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 481 transitions. [2020-10-26 20:38:36,233 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 481 transitions. Word has length 103 [2020-10-26 20:38:36,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:36,234 INFO L481 AbstractCegarLoop]: Abstraction has 333 states and 481 transitions. [2020-10-26 20:38:36,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 20:38:36,234 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 481 transitions. [2020-10-26 20:38:36,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-26 20:38:36,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:36,240 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] [2020-10-26 20:38:36,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 20:38:36,240 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:36,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:36,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1382237529, now seen corresponding path program 1 times [2020-10-26 20:38:36,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:36,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869841369] [2020-10-26 20:38:36,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:36,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:36,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:37,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:37,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:37,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:37,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-26 20:38:37,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 20:38:37,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1629 [2020-10-26 20:38:37,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:37,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:38:37,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:38:37,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-26 20:38:37,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:38,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:38,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:38,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:38,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:38,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:38,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-26 20:38:38,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:38,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:38,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:38,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:38:38,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:38:38,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:38,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:38,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:38,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-26 20:38:38,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:38,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-26 20:38:38,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-26 20:38:38,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:38:38,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:38:38,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869841369] [2020-10-26 20:38:38,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:38:38,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 20:38:38,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677136274] [2020-10-26 20:38:38,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:38:38,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:38,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:38:38,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:38:38,426 INFO L87 Difference]: Start difference. First operand 333 states and 481 transitions. Second operand 7 states. [2020-10-26 20:38:39,311 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-26 20:38:41,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:41,016 INFO L93 Difference]: Finished difference Result 1010 states and 1531 transitions. [2020-10-26 20:38:41,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-26 20:38:41,017 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 111 [2020-10-26 20:38:41,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:41,033 INFO L225 Difference]: With dead ends: 1010 [2020-10-26 20:38:41,033 INFO L226 Difference]: Without dead ends: 683 [2020-10-26 20:38:41,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-26 20:38:41,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2020-10-26 20:38:41,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 640. [2020-10-26 20:38:41,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-10-26 20:38:41,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 885 transitions. [2020-10-26 20:38:41,161 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 885 transitions. Word has length 111 [2020-10-26 20:38:41,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:41,163 INFO L481 AbstractCegarLoop]: Abstraction has 640 states and 885 transitions. [2020-10-26 20:38:41,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:38:41,164 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 885 transitions. [2020-10-26 20:38:41,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-26 20:38:41,177 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:41,178 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-26 20:38:41,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 20:38:41,178 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:41,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:41,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1683653418, now seen corresponding path program 1 times [2020-10-26 20:38:41,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:41,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1019704689] [2020-10-26 20:38:41,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:41,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:41,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:41,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:43,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:43,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-26 20:38:43,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:38:43,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1807 [2020-10-26 20:38:43,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:43,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 20:38:43,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:38:43,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-26 20:38:43,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:43,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:43,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:43,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:43,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:43,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:43,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-26 20:38:43,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:43,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:43,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:43,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:38:43,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:43,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:43,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:43,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:43,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:43,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:38:43,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:38:43,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-26 20:38:43,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:43,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:43,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:43,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-26 20:38:43,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:43,379 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-26 20:38:43,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1019704689] [2020-10-26 20:38:43,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:38:43,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 20:38:43,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222307902] [2020-10-26 20:38:43,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 20:38:43,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:43,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 20:38:43,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-26 20:38:43,386 INFO L87 Difference]: Start difference. First operand 640 states and 885 transitions. Second operand 6 states. [2020-10-26 20:38:45,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:45,320 INFO L93 Difference]: Finished difference Result 1901 states and 2786 transitions. [2020-10-26 20:38:45,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 20:38:45,323 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 116 [2020-10-26 20:38:45,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:45,338 INFO L225 Difference]: With dead ends: 1901 [2020-10-26 20:38:45,338 INFO L226 Difference]: Without dead ends: 1267 [2020-10-26 20:38:45,342 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 [2020-10-26 20:38:45,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states. [2020-10-26 20:38:45,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 789. [2020-10-26 20:38:45,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-10-26 20:38:45,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1123 transitions. [2020-10-26 20:38:45,432 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1123 transitions. Word has length 116 [2020-10-26 20:38:45,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:45,435 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1123 transitions. [2020-10-26 20:38:45,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 20:38:45,435 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1123 transitions. [2020-10-26 20:38:45,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-26 20:38:45,444 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:45,446 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-26 20:38:45,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 20:38:45,449 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:45,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:45,451 INFO L82 PathProgramCache]: Analyzing trace with hash 2070968506, now seen corresponding path program 1 times [2020-10-26 20:38:45,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:45,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1053922085] [2020-10-26 20:38:45,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:45,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:45,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:45,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:46,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:46,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-26 20:38:46,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:38:46,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 899 [2020-10-26 20:38:46,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:46,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:38:46,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:38:46,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-26 20:38:46,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:46,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:46,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:46,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:46,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:46,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:46,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-26 20:38:46,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:46,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:46,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:46,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:38:46,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:46,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:46,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:46,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:46,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-26 20:38:46,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:46,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-26 20:38:46,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:46,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:46,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:46,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-26 20:38:46,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:46,679 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:38:46,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1053922085] [2020-10-26 20:38:46,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:38:46,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 20:38:46,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946010514] [2020-10-26 20:38:46,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:38:46,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:46,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:38:46,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:38:46,692 INFO L87 Difference]: Start difference. First operand 789 states and 1123 transitions. Second operand 7 states. [2020-10-26 20:38:47,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:47,888 INFO L93 Difference]: Finished difference Result 1584 states and 2348 transitions. [2020-10-26 20:38:47,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 20:38:47,889 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 118 [2020-10-26 20:38:47,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:47,896 INFO L225 Difference]: With dead ends: 1584 [2020-10-26 20:38:47,896 INFO L226 Difference]: Without dead ends: 801 [2020-10-26 20:38:47,900 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-26 20:38:47,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2020-10-26 20:38:47,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 773. [2020-10-26 20:38:47,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 773 states. [2020-10-26 20:38:47,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1043 transitions. [2020-10-26 20:38:47,942 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1043 transitions. Word has length 118 [2020-10-26 20:38:47,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:47,943 INFO L481 AbstractCegarLoop]: Abstraction has 773 states and 1043 transitions. [2020-10-26 20:38:47,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:38:47,943 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1043 transitions. [2020-10-26 20:38:47,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-26 20:38:47,946 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:47,947 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:38:47,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 20:38:47,947 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:47,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:47,948 INFO L82 PathProgramCache]: Analyzing trace with hash -154619996, now seen corresponding path program 1 times [2020-10-26 20:38:47,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:47,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1668618960] [2020-10-26 20:38:47,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:48,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:48,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:48,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:49,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:49,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-26 20:38:49,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:38:49,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1203 [2020-10-26 20:38:49,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:49,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:38:49,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:38:49,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-26 20:38:49,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:49,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:49,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:49,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:49,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:49,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:49,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-26 20:38:49,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:49,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:49,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:49,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:38:49,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:49,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:49,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:49,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:49,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-26 20:38:49,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:49,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-26 20:38:49,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:49,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:49,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:49,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-26 20:38:49,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:49,460 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:38:49,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1668618960] [2020-10-26 20:38:49,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:38:49,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 20:38:49,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204245796] [2020-10-26 20:38:49,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:38:49,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:49,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:38:49,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:38:49,464 INFO L87 Difference]: Start difference. First operand 773 states and 1043 transitions. Second operand 7 states. [2020-10-26 20:38:51,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:51,297 INFO L93 Difference]: Finished difference Result 2172 states and 3008 transitions. [2020-10-26 20:38:51,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 20:38:51,301 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 129 [2020-10-26 20:38:51,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:51,310 INFO L225 Difference]: With dead ends: 2172 [2020-10-26 20:38:51,310 INFO L226 Difference]: Without dead ends: 1405 [2020-10-26 20:38:51,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:38:51,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2020-10-26 20:38:51,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1389. [2020-10-26 20:38:51,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1389 states. [2020-10-26 20:38:51,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 1802 transitions. [2020-10-26 20:38:51,386 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 1802 transitions. Word has length 129 [2020-10-26 20:38:51,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:51,387 INFO L481 AbstractCegarLoop]: Abstraction has 1389 states and 1802 transitions. [2020-10-26 20:38:51,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:38:51,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1802 transitions. [2020-10-26 20:38:51,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-26 20:38:51,394 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:51,394 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:38:51,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 20:38:51,394 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:51,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:51,395 INFO L82 PathProgramCache]: Analyzing trace with hash 927578377, now seen corresponding path program 1 times [2020-10-26 20:38:51,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:51,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037440737] [2020-10-26 20:38:51,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:51,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:51,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:52,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:52,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:52,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-26 20:38:52,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:38:52,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1229 [2020-10-26 20:38:52,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:52,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:38:52,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:38:52,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-26 20:38:52,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:52,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:52,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:52,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:52,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:52,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:52,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-26 20:38:52,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:52,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:52,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:52,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:38:52,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:52,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:52,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:52,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:52,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-26 20:38:52,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:52,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-26 20:38:52,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:52,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:52,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:52,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-26 20:38:52,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:52,923 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:38:52,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037440737] [2020-10-26 20:38:52,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:38:52,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 20:38:52,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498988158] [2020-10-26 20:38:52,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:38:52,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:52,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:38:52,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:38:52,927 INFO L87 Difference]: Start difference. First operand 1389 states and 1802 transitions. Second operand 7 states. [2020-10-26 20:38:54,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:54,836 INFO L93 Difference]: Finished difference Result 3536 states and 4708 transitions. [2020-10-26 20:38:54,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 20:38:54,840 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2020-10-26 20:38:54,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:54,840 INFO L225 Difference]: With dead ends: 3536 [2020-10-26 20:38:54,840 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 20:38:54,848 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 20:38:54,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 20:38:54,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 20:38:54,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 20:38:54,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 20:38:54,849 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2020-10-26 20:38:54,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:54,850 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 20:38:54,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:38:54,850 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 20:38:54,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 20:38:54,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 20:38:54,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 20:38:55,500 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 117 [2020-10-26 20:38:55,679 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 117 [2020-10-26 20:38:55,828 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 33 [2020-10-26 20:38:56,349 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 44 [2020-10-26 20:38:56,542 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2020-10-26 20:38:56,770 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 39 [2020-10-26 20:38:56,993 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 39 [2020-10-26 20:38:56,997 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-26 20:38:56,997 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-26 20:38:56,998 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-26 20:38:56,998 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-26 20:38:56,998 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-26 20:38:56,998 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)|)) [2020-10-26 20:38:56,998 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-26 20:38:56,999 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-26 20:38:56,999 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-26 20:38:56,999 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-26 20:38:56,999 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-26 20:38:57,000 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-26 20:38:57,000 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-26 20:38:57,000 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-26 20:38:57,000 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-26 20:38:57,000 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-26 20:38:57,000 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-26 20:38:57,000 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-26 20:38:57,001 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-26 20:38:57,001 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-26 20:38:57,001 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-26 20:38:57,001 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-26 20:38:57,001 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,001 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,001 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,001 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,001 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,001 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-26 20:38:57,001 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-26 20:38:57,001 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-26 20:38:57,002 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-26 20:38:57,002 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-26 20:38:57,002 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-26 20:38:57,002 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-26 20:38:57,002 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-26 20:38:57,002 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-26 20:38:57,002 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-26 20:38:57,002 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-26 20:38:57,003 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-26 20:38:57,003 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-26 20:38:57,003 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,003 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,003 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,003 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,003 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-26 20:38:57,003 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,003 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-26 20:38:57,004 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-26 20:38:57,004 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-26 20:38:57,004 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-26 20:38:57,004 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-26 20:38:57,004 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-26 20:38:57,004 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-26 20:38:57,004 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-26 20:38:57,004 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-26 20:38:57,004 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-26 20:38:57,005 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-26 20:38:57,005 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-26 20:38:57,005 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-26 20:38:57,005 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-26 20:38:57,005 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-26 20:38:57,005 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,005 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,005 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,005 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,005 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,006 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-26 20:38:57,006 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-26 20:38:57,006 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-26 20:38:57,006 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-26 20:38:57,006 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-26 20:38:57,006 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-26 20:38:57,006 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-26 20:38:57,006 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-26 20:38:57,006 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-26 20:38:57,007 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-26 20:38:57,007 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-26 20:38:57,007 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,007 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,007 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,007 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,007 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,007 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-26 20:38:57,007 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-26 20:38:57,007 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-26 20:38:57,008 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-26 20:38:57,008 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-26 20:38:57,008 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-26 20:38:57,008 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-26 20:38:57,008 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-26 20:38:57,008 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-26 20:38:57,008 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-26 20:38:57,008 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-26 20:38:57,008 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-26 20:38:57,009 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-26 20:38:57,009 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,009 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,009 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,009 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,009 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,009 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-26 20:38:57,009 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-26 20:38:57,010 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-26 20:38:57,010 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-26 20:38:57,010 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-26 20:38:57,010 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-26 20:38:57,010 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-26 20:38:57,010 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-26 20:38:57,010 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-26 20:38:57,010 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,011 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,011 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-26 20:38:57,011 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-26 20:38:57,011 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-26 20:38:57,011 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-26 20:38:57,011 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-26 20:38:57,011 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-26 20:38:57,011 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-26 20:38:57,012 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,012 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,012 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,012 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,012 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-26 20:38:57,012 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,012 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-26 20:38:57,012 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,012 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-26 20:38:57,013 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-26 20:38:57,013 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-26 20:38:57,013 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-26 20:38:57,013 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-26 20:38:57,013 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-26 20:38:57,013 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-26 20:38:57,013 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-26 20:38:57,013 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-26 20:38:57,014 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-26 20:38:57,014 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-26 20:38:57,014 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-26 20:38:57,014 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-26 20:38:57,014 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-26 20:38:57,014 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,014 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,014 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,015 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,015 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,015 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,015 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-26 20:38:57,015 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-26 20:38:57,015 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-26 20:38:57,015 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-26 20:38:57,015 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-26 20:38:57,016 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-26 20:38:57,016 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-26 20:38:57,016 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-26 20:38:57,016 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-26 20:38:57,016 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-26 20:38:57,016 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-26 20:38:57,016 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,016 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,016 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,017 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,017 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,017 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,017 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-26 20:38:57,017 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-26 20:38:57,017 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-26 20:38:57,017 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-26 20:38:57,017 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-26 20:38:57,017 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-26 20:38:57,017 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-26 20:38:57,018 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse4 (= ~a25~0 |old(~a25~0)|)) (.cse6 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (not (<= |old(~a17~0)| 8))) (.cse1 (and .cse5 .cse2 .cse3 .cse4 .cse6))) (and (or .cse0 (not (<= 8 |old(~a17~0)|)) .cse1) (or .cse0 (not (= |old(~a19~0)| 1)) (and .cse2 .cse3 (= ~a19~0 1) .cse4 (= 7 ~a28~0)) (not (= 7 |old(~a28~0)|))) (or .cse0 (= |old(~a17~0)| |old(~a28~0)|) (and .cse5 (= ~a25~0 ~a11~0) .cse2 .cse4 .cse6) (not (= |old(~a11~0)| |old(~a25~0)|))) (or .cse0 .cse1 (not (= 0 |old(~a25~0)|)))))) [2020-10-26 20:38:57,018 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-26 20:38:57,018 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-26 20:38:57,018 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-26 20:38:57,018 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-26 20:38:57,018 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-26 20:38:57,019 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-26 20:38:57,019 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-26 20:38:57,019 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,019 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,019 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,019 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,019 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,019 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,019 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-26 20:38:57,020 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-26 20:38:57,020 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-26 20:38:57,020 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-26 20:38:57,020 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-26 20:38:57,020 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-26 20:38:57,020 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-26 20:38:57,020 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-26 20:38:57,020 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-26 20:38:57,021 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-26 20:38:57,021 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-26 20:38:57,021 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-26 20:38:57,021 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-26 20:38:57,021 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,021 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,021 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,021 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,021 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,022 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,022 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-26 20:38:57,022 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-26 20:38:57,022 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-26 20:38:57,022 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-26 20:38:57,022 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-26 20:38:57,022 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-26 20:38:57,022 INFO L270 CegarLoopResult]: At program point L462(line 462) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a17~0)| 8)))) (and (or .cse0 (= |old(~a17~0)| |old(~a28~0)|) (not (= |old(~a11~0)| |old(~a25~0)|))) (or .cse0 (not (<= 8 |old(~a17~0)|))) (or .cse0 (not (= |old(~a19~0)| 1)) (not (= 7 |old(~a28~0)|))) (or .cse0 (not (= 0 |old(~a25~0)|))))) [2020-10-26 20:38:57,023 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-26 20:38:57,023 INFO L274 CegarLoopResult]: For program point L462-1(line 462) no Hoare annotation was computed. [2020-10-26 20:38:57,023 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-26 20:38:57,023 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-26 20:38:57,023 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-26 20:38:57,023 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-26 20:38:57,023 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-26 20:38:57,023 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-26 20:38:57,023 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-26 20:38:57,024 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-26 20:38:57,024 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,024 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,024 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,024 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,024 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:57,024 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-26 20:38:57,024 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-26 20:38:57,024 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-26 20:38:57,025 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-26 20:38:57,025 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 20:38:57,025 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 0) (<= 8 ~a17~0) (= 7 ~a28~0) (<= ~a17~0 8)) [2020-10-26 20:38:57,025 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-26 20:38:57,025 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 20:38:57,025 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (<= |old(~a17~0)| 8)) (and (= ~a19~0 1) (= 7 ~a28~0) .cse0) (and (<= 8 ~a17~0) .cse0) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (not (= ~a28~0 ~a17~0)) (= ~a25~0 ~a11~0) .cse0) (not (= 0 |old(~a25~0)|)) (not (= 7 |old(~a28~0)|)) (and (= ~a25~0 0) .cse0) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-26 20:38:57,026 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 7 |old(~a28~0)|)) (and (= ~a25~0 ~a11~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= 7 ~a28~0)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-26 20:38:57,026 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-26 20:38:57,026 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-26 20:38:57,026 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (<= |old(~a17~0)| 8)) (and (= ~a19~0 1) (= 7 ~a28~0) .cse0) (and (<= 8 ~a17~0) .cse0) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (not (= ~a28~0 ~a17~0)) (= ~a25~0 ~a11~0) .cse0) (not (= 0 |old(~a25~0)|)) (not (= 7 |old(~a28~0)|)) (and (= ~a25~0 0) .cse0) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-26 20:38:57,026 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-26 20:38:57,026 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-26 20:38:57,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:38:57 BoogieIcfgContainer [2020-10-26 20:38:57,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 20:38:57,057 INFO L168 Benchmark]: Toolchain (without parser) took 29018.31 ms. Allocated memory was 155.2 MB in the beginning and 524.3 MB in the end (delta: 369.1 MB). Free memory was 128.8 MB in the beginning and 246.1 MB in the end (delta: -117.3 MB). Peak memory consumption was 311.3 MB. Max. memory is 8.0 GB. [2020-10-26 20:38:57,058 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 155.2 MB. Free memory is still 127.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 20:38:57,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.83 ms. Allocated memory is still 155.2 MB. Free memory was 128.2 MB in the beginning and 102.5 MB in the end (delta: 25.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-26 20:38:57,066 INFO L168 Benchmark]: Boogie Preprocessor took 171.84 ms. Allocated memory is still 155.2 MB. Free memory was 102.5 MB in the beginning and 133.3 MB in the end (delta: -30.8 MB). Peak memory consumption was 4.6 MB. Max. memory is 8.0 GB. [2020-10-26 20:38:57,066 INFO L168 Benchmark]: RCFGBuilder took 1779.15 ms. Allocated memory is still 155.2 MB. Free memory was 133.3 MB in the beginning and 114.0 MB in the end (delta: 19.3 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. [2020-10-26 20:38:57,067 INFO L168 Benchmark]: TraceAbstraction took 26360.35 ms. Allocated memory was 155.2 MB in the beginning and 524.3 MB in the end (delta: 369.1 MB). Free memory was 113.5 MB in the beginning and 246.1 MB in the end (delta: -132.6 MB). Peak memory consumption was 295.2 MB. Max. memory is 8.0 GB. [2020-10-26 20:38:57,078 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 155.2 MB. Free memory is still 127.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 693.83 ms. Allocated memory is still 155.2 MB. Free memory was 128.2 MB in the beginning and 102.5 MB in the end (delta: 25.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 171.84 ms. Allocated memory is still 155.2 MB. Free memory was 102.5 MB in the beginning and 133.3 MB in the end (delta: -30.8 MB). Peak memory consumption was 4.6 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1779.15 ms. Allocated memory is still 155.2 MB. Free memory was 133.3 MB in the beginning and 114.0 MB in the end (delta: 19.3 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 26360.35 ms. Allocated memory was 155.2 MB in the beginning and 524.3 MB in the end (delta: 369.1 MB). Free memory was 113.5 MB in the beginning and 246.1 MB in the end (delta: -132.6 MB). Peak memory consumption was 295.2 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(a17) <= 8) || ((a19 == 1 && 7 == a28) && a17 <= 8)) || (8 <= a17 && a17 <= 8)) || !(\old(a19) == 1)) || !(8 <= \old(a17))) || ((!(a28 == a17) && a25 == a11) && a17 <= 8)) || !(0 == \old(a25))) || !(7 == \old(a28))) || (a25 == 0 && a17 <= 8)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 194 SDtfs, 2824 SDslu, 302 SDs, 0 SdLazy, 4622 SolverSat, 866 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1389occurred in iteration=5, 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, 574 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 92 PreInvPairs, 120 NumberOfFragments, 416 HoareAnnotationTreeSize, 92 FomulaSimplifications, 45616 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3503 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 715 NumberOfCodeBlocks, 715 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 709 ConstructedInterpolants, 0 QuantifiedInterpolants, 240749 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 75/82 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...