/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:38:04,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:38:04,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:38:04,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:38:04,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:38:04,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:38:04,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:38:04,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:38:04,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:38:04,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:38:04,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:38:04,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:38:04,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:38:04,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:38:04,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:38:04,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:38:04,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:38:04,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:38:04,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:38:04,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:38:04,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:38:04,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:38:04,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:38:04,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:38:04,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:38:04,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:38:04,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:38:04,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:38:04,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:38:04,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:38:04,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:38:04,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:38:04,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:38:04,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:38:04,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:38:04,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:38:04,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:38:04,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:38:04,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:38:04,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:38:04,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:38:04,362 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 15:38:04,414 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:38:04,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:38:04,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:38:04,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:38:04,420 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:38:04,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:38:04,421 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:38:04,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:38:04,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:38:04,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:38:04,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:38:04,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:38:04,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:38:04,424 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:38:04,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:38:04,424 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:38:04,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:38:04,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:38:04,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:38:04,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:38:04,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:38:04,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:38:04,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:38:04,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:38:04,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:38:04,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:38:04,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:38:04,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:38:04,427 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:38:04,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:38:04,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:38:04,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:38:04,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:38:04,968 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:38:04,969 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:38:04,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2020-10-27 15:38:05,060 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/120456802/a0b45bf198814016b20cc99c636709f1/FLAGe5b46ded5 [2020-10-27 15:38:05,889 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:38:05,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2020-10-27 15:38:05,907 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/120456802/a0b45bf198814016b20cc99c636709f1/FLAGe5b46ded5 [2020-10-27 15:38:06,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/120456802/a0b45bf198814016b20cc99c636709f1 [2020-10-27 15:38:06,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:38:06,160 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:38:06,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:38:06,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:38:06,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:38:06,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:38:06" (1/1) ... [2020-10-27 15:38:06,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d53f03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:06, skipping insertion in model container [2020-10-27 15:38:06,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:38:06" (1/1) ... [2020-10-27 15:38:06,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:38:06,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:38:06,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:38:06,786 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:38:06,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:38:06,930 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:38:06,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:06 WrapperNode [2020-10-27 15:38:06,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:38:06,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:38:06,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:38:06,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:38:06,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:06" (1/1) ... [2020-10-27 15:38:06,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:06" (1/1) ... [2020-10-27 15:38:06,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:06" (1/1) ... [2020-10-27 15:38:06,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:06" (1/1) ... [2020-10-27 15:38:07,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:06" (1/1) ... [2020-10-27 15:38:07,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:06" (1/1) ... [2020-10-27 15:38:07,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:06" (1/1) ... [2020-10-27 15:38:07,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:38:07,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:38:07,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:38:07,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:38:07,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:38:07,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:38:07,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:38:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:38:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:38:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:38:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:38:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:38:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:38:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:38:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:38:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:38:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:38:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:38:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:38:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:38:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:38:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:38:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:38:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:38:08,395 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:38:08,396 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:38:08,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:38:08 BoogieIcfgContainer [2020-10-27 15:38:08,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:38:08,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:38:08,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:38:08,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:38:08,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:38:06" (1/3) ... [2020-10-27 15:38:08,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe8703d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:38:08, skipping insertion in model container [2020-10-27 15:38:08,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:06" (2/3) ... [2020-10-27 15:38:08,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe8703d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:38:08, skipping insertion in model container [2020-10-27 15:38:08,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:38:08" (3/3) ... [2020-10-27 15:38:08,408 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label40.c [2020-10-27 15:38:08,421 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:38:08,426 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:38:08,440 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:38:08,470 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:38:08,471 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:38:08,471 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:38:08,471 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:38:08,471 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:38:08,471 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:38:08,471 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:38:08,471 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:38:08,495 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-27 15:38:08,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-27 15:38:08,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:08,507 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] [2020-10-27 15:38:08,507 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:08,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:08,513 INFO L82 PathProgramCache]: Analyzing trace with hash 333754117, now seen corresponding path program 1 times [2020-10-27 15:38:08,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:08,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [533087756] [2020-10-27 15:38:08,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:08,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:09,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:10,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:10,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-27 15:38:10,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:38:10,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1925 [2020-10-27 15:38:10,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:10,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 15:38:10,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:38:10,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 15:38:10,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:38:10,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:10,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:10,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:10,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:10,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:10,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 15:38:10,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:10,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:10,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:10,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:38:10,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:10,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:38:10,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [533087756] [2020-10-27 15:38:10,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:38:10,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 15:38:10,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671323493] [2020-10-27 15:38:10,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 15:38:10,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:11,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 15:38:11,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 15:38:11,006 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-27 15:38:13,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:13,024 INFO L93 Difference]: Finished difference Result 667 states and 1119 transitions. [2020-10-27 15:38:13,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:13,025 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 96 [2020-10-27 15:38:13,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:13,040 INFO L225 Difference]: With dead ends: 667 [2020-10-27 15:38:13,041 INFO L226 Difference]: Without dead ends: 342 [2020-10-27 15:38:13,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:13,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-27 15:38:13,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-10-27 15:38:13,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-27 15:38:13,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 489 transitions. [2020-10-27 15:38:13,134 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 489 transitions. Word has length 96 [2020-10-27 15:38:13,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:13,135 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 489 transitions. [2020-10-27 15:38:13,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 15:38:13,135 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 489 transitions. [2020-10-27 15:38:13,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-27 15:38:13,142 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:13,142 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] [2020-10-27 15:38:13,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:38:13,143 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:13,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:13,144 INFO L82 PathProgramCache]: Analyzing trace with hash -632714951, now seen corresponding path program 1 times [2020-10-27 15:38:13,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:13,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265839633] [2020-10-27 15:38:13,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:13,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:13,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:13,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:13,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:13,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 15:38:13,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:38:13,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 824 [2020-10-27 15:38:13,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:13,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:13,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 15:38:13,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 15:38:13,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:14,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:14,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:14,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:14,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:14,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:14,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:38:14,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:14,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:14,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:14,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:14,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:14,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:14,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:14,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:14,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:38:14,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:14,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 15:38:14,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:14,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:14,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:14,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 15:38:14,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:14,596 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:38:14,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1265839633] [2020-10-27 15:38:14,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:14,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:14,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969690268] [2020-10-27 15:38:14,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:14,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:14,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:14,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:14,609 INFO L87 Difference]: Start difference. First operand 338 states and 489 transitions. Second operand 5 states. [2020-10-27 15:38:14,856 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-27 15:38:16,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:16,294 INFO L93 Difference]: Finished difference Result 761 states and 1146 transitions. [2020-10-27 15:38:16,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:16,297 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2020-10-27 15:38:16,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:16,302 INFO L225 Difference]: With dead ends: 761 [2020-10-27 15:38:16,303 INFO L226 Difference]: Without dead ends: 342 [2020-10-27 15:38:16,306 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:16,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-27 15:38:16,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-10-27 15:38:16,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-27 15:38:16,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 485 transitions. [2020-10-27 15:38:16,340 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 485 transitions. Word has length 104 [2020-10-27 15:38:16,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:16,340 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 485 transitions. [2020-10-27 15:38:16,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:16,341 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 485 transitions. [2020-10-27 15:38:16,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-27 15:38:16,344 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:16,344 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 15:38:16,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:38:16,345 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:16,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:16,345 INFO L82 PathProgramCache]: Analyzing trace with hash 2132407501, now seen corresponding path program 1 times [2020-10-27 15:38:16,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:16,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [53385519] [2020-10-27 15:38:16,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:16,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:16,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:17,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:17,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:17,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-27 15:38:17,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:38:17,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1267 [2020-10-27 15:38:17,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-27 15:38:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-27 15:38:17,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:17,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:17,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:17,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:17,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:17,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:17,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 15:38:17,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:17,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:17,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:17,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:17,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:17,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:17,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:17,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:17,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 15:38:17,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:17,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 15:38:17,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:17,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:17,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:17,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 15:38:17,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:18,018 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:38:18,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [53385519] [2020-10-27 15:38:18,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:18,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:38:18,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006160605] [2020-10-27 15:38:18,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:38:18,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:18,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:38:18,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:18,021 INFO L87 Difference]: Start difference. First operand 338 states and 485 transitions. Second operand 6 states. [2020-10-27 15:38:18,592 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-27 15:38:20,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:20,062 INFO L93 Difference]: Finished difference Result 840 states and 1293 transitions. [2020-10-27 15:38:20,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 15:38:20,065 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 110 [2020-10-27 15:38:20,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:20,068 INFO L225 Difference]: With dead ends: 840 [2020-10-27 15:38:20,068 INFO L226 Difference]: Without dead ends: 342 [2020-10-27 15:38:20,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 15:38:20,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-27 15:38:20,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-10-27 15:38:20,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-27 15:38:20,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 479 transitions. [2020-10-27 15:38:20,100 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 479 transitions. Word has length 110 [2020-10-27 15:38:20,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:20,100 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 479 transitions. [2020-10-27 15:38:20,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:38:20,101 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 479 transitions. [2020-10-27 15:38:20,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-27 15:38:20,104 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:20,104 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 15:38:20,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:38:20,105 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:20,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:20,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1725629846, now seen corresponding path program 1 times [2020-10-27 15:38:20,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:20,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [235507764] [2020-10-27 15:38:20,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:20,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:20,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:20,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:21,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:21,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 15:38:21,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:38:21,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 944 [2020-10-27 15:38:21,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:21,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:21,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-27 15:38:21,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-27 15:38:21,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:21,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:21,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:21,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:21,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:21,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:21,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:38:21,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:21,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:21,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:21,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:21,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:21,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 15:38:21,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:21,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 15:38:21,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:21,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:21,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:21,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 15:38:21,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:21,540 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:38:21,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [235507764] [2020-10-27 15:38:21,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:21,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:21,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178350757] [2020-10-27 15:38:21,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:21,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:21,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:21,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:21,543 INFO L87 Difference]: Start difference. First operand 338 states and 479 transitions. Second operand 5 states. [2020-10-27 15:38:21,919 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-27 15:38:23,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:23,051 INFO L93 Difference]: Finished difference Result 763 states and 1123 transitions. [2020-10-27 15:38:23,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:23,052 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2020-10-27 15:38:23,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:23,058 INFO L225 Difference]: With dead ends: 763 [2020-10-27 15:38:23,058 INFO L226 Difference]: Without dead ends: 342 [2020-10-27 15:38:23,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:23,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-27 15:38:23,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-10-27 15:38:23,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-27 15:38:23,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 477 transitions. [2020-10-27 15:38:23,106 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 477 transitions. Word has length 118 [2020-10-27 15:38:23,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:23,106 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 477 transitions. [2020-10-27 15:38:23,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:23,107 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 477 transitions. [2020-10-27 15:38:23,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-27 15:38:23,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:23,110 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:38:23,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:38:23,111 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:23,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:23,111 INFO L82 PathProgramCache]: Analyzing trace with hash -316465806, now seen corresponding path program 1 times [2020-10-27 15:38:23,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:23,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1135136578] [2020-10-27 15:38:23,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:23,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:23,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:23,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:24,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:24,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 15:38:24,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:38:24,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 983 [2020-10-27 15:38:24,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:24,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:24,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-27 15:38:24,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 15:38:24,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:24,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:24,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:24,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:24,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:24,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:24,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:38:24,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:24,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:24,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:24,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:24,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:24,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:24,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:24,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:24,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 15:38:24,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:24,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 15:38:24,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:24,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:24,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:24,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 15:38:24,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:24,625 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:38:24,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1135136578] [2020-10-27 15:38:24,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:24,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:24,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233156387] [2020-10-27 15:38:24,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:24,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:24,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:24,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:24,628 INFO L87 Difference]: Start difference. First operand 338 states and 477 transitions. Second operand 5 states. [2020-10-27 15:38:24,956 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-27 15:38:26,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:26,127 INFO L93 Difference]: Finished difference Result 758 states and 1113 transitions. [2020-10-27 15:38:26,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:26,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-10-27 15:38:26,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:26,133 INFO L225 Difference]: With dead ends: 758 [2020-10-27 15:38:26,134 INFO L226 Difference]: Without dead ends: 342 [2020-10-27 15:38:26,136 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:26,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-27 15:38:26,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-10-27 15:38:26,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-27 15:38:26,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 471 transitions. [2020-10-27 15:38:26,153 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 471 transitions. Word has length 120 [2020-10-27 15:38:26,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:26,153 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 471 transitions. [2020-10-27 15:38:26,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:26,153 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 471 transitions. [2020-10-27 15:38:26,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-27 15:38:26,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:26,156 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] [2020-10-27 15:38:26,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:38:26,156 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:26,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:26,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1040691890, now seen corresponding path program 1 times [2020-10-27 15:38:26,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:26,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [365778529] [2020-10-27 15:38:26,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:26,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:26,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:26,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:27,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:27,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 15:38:27,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:38:27,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 846 [2020-10-27 15:38:27,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:27,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:27,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-27 15:38:27,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 15:38:27,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:27,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:27,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:27,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:27,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:27,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:27,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:38:27,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:27,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:27,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:27,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:27,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:27,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:27,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:27,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:27,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 15:38:27,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:27,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 15:38:27,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:27,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:27,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:27,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 15:38:27,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:27,373 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:38:27,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [365778529] [2020-10-27 15:38:27,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:27,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:27,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170186348] [2020-10-27 15:38:27,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:27,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:27,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:27,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:27,377 INFO L87 Difference]: Start difference. First operand 338 states and 471 transitions. Second operand 5 states. [2020-10-27 15:38:27,775 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 15:38:28,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:28,821 INFO L93 Difference]: Finished difference Result 760 states and 1100 transitions. [2020-10-27 15:38:28,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:28,823 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-10-27 15:38:28,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:28,826 INFO L225 Difference]: With dead ends: 760 [2020-10-27 15:38:28,826 INFO L226 Difference]: Without dead ends: 342 [2020-10-27 15:38:28,829 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:28,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-27 15:38:28,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-10-27 15:38:28,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-27 15:38:28,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 463 transitions. [2020-10-27 15:38:28,849 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 463 transitions. Word has length 122 [2020-10-27 15:38:28,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:28,849 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 463 transitions. [2020-10-27 15:38:28,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:28,849 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 463 transitions. [2020-10-27 15:38:28,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-27 15:38:28,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:28,852 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:38:28,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 15:38:28,852 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:28,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:28,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1120799482, now seen corresponding path program 1 times [2020-10-27 15:38:28,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:28,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1403776792] [2020-10-27 15:38:28,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:28,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:29,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:29,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:29,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:29,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 15:38:29,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:38:29,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1084 [2020-10-27 15:38:29,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 15:38:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-27 15:38:29,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:38:30,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:30,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:30,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:30,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:30,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:30,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 15:38:30,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:30,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:30,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:30,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:30,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:30,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:30,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:30,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:30,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 15:38:30,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:30,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 15:38:30,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:30,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:30,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:30,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 15:38:30,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:38:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:38:30,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1403776792] [2020-10-27 15:38:30,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:30,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:38:30,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745386146] [2020-10-27 15:38:30,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:38:30,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:30,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:38:30,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:30,277 INFO L87 Difference]: Start difference. First operand 338 states and 463 transitions. Second operand 6 states. [2020-10-27 15:38:32,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:32,208 INFO L93 Difference]: Finished difference Result 1112 states and 1555 transitions. [2020-10-27 15:38:32,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 15:38:32,209 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2020-10-27 15:38:32,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:32,213 INFO L225 Difference]: With dead ends: 1112 [2020-10-27 15:38:32,213 INFO L226 Difference]: Without dead ends: 481 [2020-10-27 15:38:32,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 15:38:32,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-10-27 15:38:32,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 477. [2020-10-27 15:38:32,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2020-10-27 15:38:32,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 602 transitions. [2020-10-27 15:38:32,246 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 602 transitions. Word has length 126 [2020-10-27 15:38:32,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:32,246 INFO L481 AbstractCegarLoop]: Abstraction has 477 states and 602 transitions. [2020-10-27 15:38:32,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:38:32,246 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 602 transitions. [2020-10-27 15:38:32,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-27 15:38:32,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:32,249 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 15:38:32,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 15:38:32,250 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:32,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:32,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1576231665, now seen corresponding path program 1 times [2020-10-27 15:38:32,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:32,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1684347052] [2020-10-27 15:38:32,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:32,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:32,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:33,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:33,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:33,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 15:38:33,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:38:33,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1357 [2020-10-27 15:38:33,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:33,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:33,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 15:38:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 15:38:33,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:33,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:33,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:33,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:33,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:33,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:33,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:38:33,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:33,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:33,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:33,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:33,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:33,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:33,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:33,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:33,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 15:38:33,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:33,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 15:38:33,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:33,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:33,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:33,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-27 15:38:33,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:38:33,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1684347052] [2020-10-27 15:38:33,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:33,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:33,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958612932] [2020-10-27 15:38:33,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:33,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:33,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:33,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:33,939 INFO L87 Difference]: Start difference. First operand 477 states and 602 transitions. Second operand 5 states. [2020-10-27 15:38:35,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:35,349 INFO L93 Difference]: Finished difference Result 1263 states and 1656 transitions. [2020-10-27 15:38:35,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:35,349 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2020-10-27 15:38:35,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:35,355 INFO L225 Difference]: With dead ends: 1263 [2020-10-27 15:38:35,355 INFO L226 Difference]: Without dead ends: 792 [2020-10-27 15:38:35,358 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:35,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2020-10-27 15:38:35,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 778. [2020-10-27 15:38:35,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 778 states. [2020-10-27 15:38:35,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 981 transitions. [2020-10-27 15:38:35,396 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 981 transitions. Word has length 150 [2020-10-27 15:38:35,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:35,398 INFO L481 AbstractCegarLoop]: Abstraction has 778 states and 981 transitions. [2020-10-27 15:38:35,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:35,398 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 981 transitions. [2020-10-27 15:38:35,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-27 15:38:35,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:35,404 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:38:35,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 15:38:35,404 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:35,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:35,405 INFO L82 PathProgramCache]: Analyzing trace with hash 2027874299, now seen corresponding path program 1 times [2020-10-27 15:38:35,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:35,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [92149380] [2020-10-27 15:38:35,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:35,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:35,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:35,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:36,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:40,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:40,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-27 15:38:40,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:38:40,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-27 15:38:40,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:40,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 15:38:40,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-27 15:38:40,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 15:38:40,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:41,079 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 44 [2020-10-27 15:38:41,273 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 42 [2020-10-27 15:38:41,457 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 38 [2020-10-27 15:38:41,621 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 34 [2020-10-27 15:38:41,757 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 29 [2020-10-27 15:38:41,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:41,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:41,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:41,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:41,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:41,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:38:41,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:41,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:41,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:41,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:41,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:41,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:41,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:41,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:41,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 15:38:41,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:41,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 15:38:41,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:41,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:41,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:41,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:41,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:41,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 15:38:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:41,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:41,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:41,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 15:38:41,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:41,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 15:38:41,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:41,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:41,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:41,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 15:38:41,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:42,110 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 15:38:42,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [92149380] [2020-10-27 15:38:42,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:42,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 15:38:42,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200220025] [2020-10-27 15:38:42,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 15:38:42,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:42,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 15:38:42,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:38:42,114 INFO L87 Difference]: Start difference. First operand 778 states and 981 transitions. Second operand 12 states. [2020-10-27 15:38:42,325 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 15:38:42,511 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-27 15:38:43,017 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 132 [2020-10-27 15:38:43,598 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2020-10-27 15:38:43,934 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 129 [2020-10-27 15:38:44,141 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2020-10-27 15:38:44,466 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 126 [2020-10-27 15:38:44,827 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2020-10-27 15:38:45,114 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 121 [2020-10-27 15:38:45,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:45,706 INFO L93 Difference]: Finished difference Result 1882 states and 2482 transitions. [2020-10-27 15:38:45,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 15:38:45,707 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 162 [2020-10-27 15:38:45,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:45,713 INFO L225 Difference]: With dead ends: 1882 [2020-10-27 15:38:45,713 INFO L226 Difference]: Without dead ends: 782 [2020-10-27 15:38:45,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-27 15:38:45,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2020-10-27 15:38:45,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 774. [2020-10-27 15:38:45,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 774 states. [2020-10-27 15:38:45,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 927 transitions. [2020-10-27 15:38:45,753 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 927 transitions. Word has length 162 [2020-10-27 15:38:45,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:45,754 INFO L481 AbstractCegarLoop]: Abstraction has 774 states and 927 transitions. [2020-10-27 15:38:45,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 15:38:45,754 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 927 transitions. [2020-10-27 15:38:45,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-27 15:38:45,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:45,759 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 15:38:45,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 15:38:45,760 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:45,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:45,760 INFO L82 PathProgramCache]: Analyzing trace with hash -604840720, now seen corresponding path program 1 times [2020-10-27 15:38:45,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:45,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555610128] [2020-10-27 15:38:45,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:45,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:45,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:46,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:46,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:47,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:47,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-27 15:38:47,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:38:47,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1647 [2020-10-27 15:38:47,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:47,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:47,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-27 15:38:47,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-27 15:38:47,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:47,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:47,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:47,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:47,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:47,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:47,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 15:38:47,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:47,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:47,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:47,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:47,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:47,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:47,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:47,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:47,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 15:38:47,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:47,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 15:38:47,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:47,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:47,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:47,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 15:38:47,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:47,715 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 65 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:38:47,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555610128] [2020-10-27 15:38:47,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:47,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:47,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14950264] [2020-10-27 15:38:47,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:47,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:47,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:47,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:47,718 INFO L87 Difference]: Start difference. First operand 774 states and 927 transitions. Second operand 5 states. [2020-10-27 15:38:49,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:49,035 INFO L93 Difference]: Finished difference Result 2145 states and 2665 transitions. [2020-10-27 15:38:49,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:49,036 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2020-10-27 15:38:49,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:49,045 INFO L225 Difference]: With dead ends: 2145 [2020-10-27 15:38:49,045 INFO L226 Difference]: Without dead ends: 1377 [2020-10-27 15:38:49,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:49,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1377 states. [2020-10-27 15:38:49,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1377 to 1357. [2020-10-27 15:38:49,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1357 states. [2020-10-27 15:38:49,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1623 transitions. [2020-10-27 15:38:49,105 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1623 transitions. Word has length 165 [2020-10-27 15:38:49,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:49,106 INFO L481 AbstractCegarLoop]: Abstraction has 1357 states and 1623 transitions. [2020-10-27 15:38:49,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:49,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1623 transitions. [2020-10-27 15:38:49,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-27 15:38:49,111 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:49,111 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:38:49,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 15:38:49,111 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:49,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:49,112 INFO L82 PathProgramCache]: Analyzing trace with hash -121690684, now seen corresponding path program 1 times [2020-10-27 15:38:49,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:49,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473526751] [2020-10-27 15:38:49,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:49,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:49,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:49,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:50,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:50,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:50,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:54,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:54,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 15:38:54,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 15:38:54,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 15:38:54,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:54,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:54,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-27 15:38:54,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 15:38:54,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:54,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:54,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:54,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:54,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:54,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:54,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:38:54,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:54,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:54,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:54,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:54,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:54,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:54,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 15:38:54,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:54,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 15:38:54,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:54,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:54,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:54,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:54,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:54,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 15:38:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:54,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:54,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:54,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 15:38:54,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:54,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 15:38:54,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:54,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:54,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:54,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 15:38:54,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:54,422 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 15:38:54,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473526751] [2020-10-27 15:38:54,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:54,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:38:54,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174766907] [2020-10-27 15:38:54,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:38:54,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:54,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:38:54,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:54,425 INFO L87 Difference]: Start difference. First operand 1357 states and 1623 transitions. Second operand 6 states. [2020-10-27 15:38:55,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:55,859 INFO L93 Difference]: Finished difference Result 3314 states and 4069 transitions. [2020-10-27 15:38:55,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:55,863 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 171 [2020-10-27 15:38:55,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:55,874 INFO L225 Difference]: With dead ends: 3314 [2020-10-27 15:38:55,874 INFO L226 Difference]: Without dead ends: 1963 [2020-10-27 15:38:55,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 15:38:55,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1963 states. [2020-10-27 15:38:55,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1963 to 1941. [2020-10-27 15:38:55,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1941 states. [2020-10-27 15:38:55,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 2368 transitions. [2020-10-27 15:38:55,968 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 2368 transitions. Word has length 171 [2020-10-27 15:38:55,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:55,968 INFO L481 AbstractCegarLoop]: Abstraction has 1941 states and 2368 transitions. [2020-10-27 15:38:55,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:38:55,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2368 transitions. [2020-10-27 15:38:55,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-10-27 15:38:55,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:55,979 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:38:55,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 15:38:55,980 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:55,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:55,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1413013006, now seen corresponding path program 1 times [2020-10-27 15:38:55,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:55,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1039708931] [2020-10-27 15:38:55,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:56,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:56,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:56,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:57,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:01,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:01,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-27 15:39:01,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:39:01,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-27 15:39:01,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:01,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 15:39:01,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 158 [2020-10-27 15:39:01,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 15:39:01,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:01,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:39:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:01,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:01,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:01,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:39:01,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:01,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:39:01,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:01,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:01,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:01,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:01,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:01,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:39:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:01,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:01,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:01,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 15:39:01,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:01,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 15:39:01,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:01,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:01,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:01,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:01,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:01,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 15:39:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:01,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:02,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:02,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 15:39:02,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:02,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 15:39:02,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:39:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:02,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 15:39:02,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:02,225 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 141 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-27 15:39:02,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1039708931] [2020-10-27 15:39:02,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:39:02,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 15:39:02,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632967892] [2020-10-27 15:39:02,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 15:39:02,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:39:02,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 15:39:02,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-10-27 15:39:02,227 INFO L87 Difference]: Start difference. First operand 1941 states and 2368 transitions. Second operand 13 states. [2020-10-27 15:39:03,213 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 115 [2020-10-27 15:39:03,557 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 133 [2020-10-27 15:39:03,936 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 130 [2020-10-27 15:39:04,262 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 127 [2020-10-27 15:39:04,645 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 124 [2020-10-27 15:39:04,982 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-27 15:39:05,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:39:05,203 INFO L93 Difference]: Finished difference Result 3811 states and 4696 transitions. [2020-10-27 15:39:05,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 15:39:05,204 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 242 [2020-10-27 15:39:05,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:39:05,205 INFO L225 Difference]: With dead ends: 3811 [2020-10-27 15:39:05,205 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:39:05,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2020-10-27 15:39:05,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:39:05,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:39:05,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:39:05,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:39:05,216 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 242 [2020-10-27 15:39:05,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:39:05,216 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:39:05,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 15:39:05,216 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:39:05,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:39:05,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 15:39:05,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:39:06,344 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 45 [2020-10-27 15:39:06,971 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 66 [2020-10-27 15:39:08,003 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 86 [2020-10-27 15:39:08,416 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 66 [2020-10-27 15:39:08,560 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2020-10-27 15:39:08,564 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:39:08,565 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:39:08,565 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:39:08,565 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:39:08,565 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:39:08,565 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)|)) [2020-10-27 15:39:08,566 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:39:08,566 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-27 15:39:08,566 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-27 15:39:08,566 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-27 15:39:08,566 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-27 15:39:08,566 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-27 15:39:08,566 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-27 15:39:08,566 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-27 15:39:08,566 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:39:08,566 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-27 15:39:08,567 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:39:08,567 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-27 15:39:08,567 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:39:08,567 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:39:08,567 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-27 15:39:08,567 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-27 15:39:08,567 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,567 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,568 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,568 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,568 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,568 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-27 15:39:08,568 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-27 15:39:08,568 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-27 15:39:08,568 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-27 15:39:08,568 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-27 15:39:08,568 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-27 15:39:08,569 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-27 15:39:08,569 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-27 15:39:08,569 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-27 15:39:08,569 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-27 15:39:08,569 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:39:08,569 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:39:08,569 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-27 15:39:08,569 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,569 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,570 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,570 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,570 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-27 15:39:08,570 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,570 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-27 15:39:08,570 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-27 15:39:08,570 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-27 15:39:08,570 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-27 15:39:08,570 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-27 15:39:08,571 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-27 15:39:08,571 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-27 15:39:08,571 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:39:08,571 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:39:08,571 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-27 15:39:08,571 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-27 15:39:08,571 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-27 15:39:08,571 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:39:08,571 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:39:08,571 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-27 15:39:08,572 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,572 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,572 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,572 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,572 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,572 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:39:08,572 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-27 15:39:08,572 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:39:08,572 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-27 15:39:08,573 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-27 15:39:08,573 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-27 15:39:08,573 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-27 15:39:08,573 INFO L270 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (let ((.cse0 (not (= 8 |old(~a17~0)|))) (.cse1 (not (= ~a21~0 1))) (.cse2 (not (= 7 |old(~a28~0)|)))) (and (or (not (<= |old(~a25~0)| 1)) (not (<= 1 |old(~a25~0)|))) (not (= 0 |old(~a11~0)|)) (not (<= |old(~a17~0)| 7)) (not (<= 8 |old(~a28~0)|)) (or .cse0 .cse1 (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1)))) .cse2 (not (<= |old(~a19~0)| 0))) (or (= |old(~a19~0)| 1) .cse0 .cse1 .cse2 (not (= |old(~a11~0)| 1))))) [2020-10-27 15:39:08,573 INFO L274 CegarLoopResult]: For program point L441-1(line 441) no Hoare annotation was computed. [2020-10-27 15:39:08,573 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-27 15:39:08,573 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-27 15:39:08,574 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-27 15:39:08,574 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,574 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,574 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,574 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,574 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,574 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-27 15:39:08,574 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-27 15:39:08,574 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-27 15:39:08,574 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-27 15:39:08,574 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-27 15:39:08,575 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-27 15:39:08,575 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-27 15:39:08,575 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-27 15:39:08,575 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-27 15:39:08,575 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-27 15:39:08,575 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-27 15:39:08,575 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-27 15:39:08,575 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-27 15:39:08,575 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,575 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,575 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,576 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,576 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,576 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-27 15:39:08,576 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-27 15:39:08,576 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-27 15:39:08,576 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-27 15:39:08,576 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-27 15:39:08,576 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-27 15:39:08,576 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-27 15:39:08,576 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-27 15:39:08,576 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-27 15:39:08,577 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,577 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,577 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-27 15:39:08,577 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-27 15:39:08,577 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-27 15:39:08,577 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-27 15:39:08,577 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:39:08,577 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-27 15:39:08,577 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:39:08,577 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,577 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,578 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,578 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,578 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-27 15:39:08,578 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,578 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:39:08,578 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,578 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:39:08,578 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:39:08,578 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:39:08,578 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-27 15:39:08,578 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-27 15:39:08,578 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-27 15:39:08,579 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-27 15:39:08,579 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-27 15:39:08,579 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-27 15:39:08,579 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-27 15:39:08,579 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-27 15:39:08,579 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-27 15:39:08,579 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-27 15:39:08,579 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-27 15:39:08,579 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,579 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,579 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,580 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,580 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,580 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,580 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-27 15:39:08,580 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-27 15:39:08,580 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-27 15:39:08,580 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-27 15:39:08,580 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-27 15:39:08,580 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-27 15:39:08,580 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-27 15:39:08,580 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-27 15:39:08,581 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-27 15:39:08,581 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-27 15:39:08,581 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-27 15:39:08,581 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,581 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,581 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,581 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,581 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,581 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,581 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-27 15:39:08,581 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-27 15:39:08,582 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-27 15:39:08,582 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-27 15:39:08,582 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-27 15:39:08,582 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-27 15:39:08,582 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-27 15:39:08,582 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse9 (= ~a25~0 |old(~a25~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse1 .cse2 .cse3 .cse9 .cse4)) (.cse5 (and .cse3 .cse9 (= ~a17~0 8) (= 7 ~a28~0) .cse4)) (.cse6 (not (= 8 |old(~a17~0)|))) (.cse7 (not (= ~a21~0 1))) (.cse8 (not (= 7 |old(~a28~0)|)))) (and (or .cse0 (not (<= |old(~a17~0)| 7))) (or .cse0 (not (= 0 |old(~a11~0)|))) (or .cse0 (not (<= 8 |old(~a28~0)|))) (or (not (<= |old(~a25~0)| 1)) (not (<= 1 |old(~a25~0)|)) (and .cse1 .cse2 .cse3 (<= 1 ~a25~0) (<= ~a25~0 1) .cse4)) (or .cse5 .cse6 .cse7 (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1)))) .cse8 (not (<= |old(~a19~0)| 0))) (or (= |old(~a19~0)| 1) .cse5 .cse6 .cse7 .cse8 (not (= |old(~a11~0)| 1)))))) [2020-10-27 15:39:08,582 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-27 15:39:08,583 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-27 15:39:08,583 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-27 15:39:08,583 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-27 15:39:08,583 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-27 15:39:08,583 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-27 15:39:08,583 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-27 15:39:08,583 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,583 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,583 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,583 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,583 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,584 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,584 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-27 15:39:08,584 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-27 15:39:08,584 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-27 15:39:08,584 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-27 15:39:08,584 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-27 15:39:08,584 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-27 15:39:08,584 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-27 15:39:08,584 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-27 15:39:08,584 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-27 15:39:08,584 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-27 15:39:08,585 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-27 15:39:08,585 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-27 15:39:08,585 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-27 15:39:08,585 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,585 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,585 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,585 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,585 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,585 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,585 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-27 15:39:08,585 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-27 15:39:08,586 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-27 15:39:08,586 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-27 15:39:08,586 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-27 15:39:08,586 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-27 15:39:08,586 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-27 15:39:08,586 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-27 15:39:08,586 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-27 15:39:08,586 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-27 15:39:08,586 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-27 15:39:08,586 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:39:08,586 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:39:08,587 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-27 15:39:08,587 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-27 15:39:08,587 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-27 15:39:08,587 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,587 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,587 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,587 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,587 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:08,587 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-27 15:39:08,587 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-27 15:39:08,588 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-27 15:39:08,588 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-27 15:39:08,588 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:39:08,588 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~a11~0 0) [2020-10-27 15:39:08,588 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:39:08,588 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:39:08,588 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1)) (.cse1 (= ~a17~0 8)) (.cse2 (= 7 ~a28~0))) (or (and .cse0 .cse1 (not (= ~a19~0 1)) .cse2 (= ~a11~0 1)) (and (<= ~a19~0 0) .cse0 .cse1 .cse2) (not (= 0 |old(~a11~0)|)) (= ~a11~0 0) (<= 8 ~a28~0) (<= ~a17~0 7) (and (<= 1 ~a25~0) (<= ~a25~0 1)))) [2020-10-27 15:39:08,588 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|))) [2020-10-27 15:39:08,589 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:39:08,589 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:39:08,589 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1)) (.cse1 (= ~a17~0 8)) (.cse2 (= 7 ~a28~0))) (or (and .cse0 .cse1 (not (= ~a19~0 1)) .cse2 (= ~a11~0 1)) (not (= 0 |old(~a11~0)|)) (and (<= ~a19~0 0) .cse0 .cse1 (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 6 main_~input~0) (<= main_~input~0 6)) (and (<= main_~input~0 3) (<= 3 main_~input~0)) (and (<= main_~input~0 1) (<= 1 main_~input~0)) (and (<= main_~input~0 5) (<= 5 main_~input~0))) .cse2) (= ~a11~0 0) (<= 8 ~a28~0) (<= ~a17~0 7) (and (<= 1 ~a25~0) (<= ~a25~0 1)))) [2020-10-27 15:39:08,589 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-27 15:39:08,589 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-27 15:39:08,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:39:08 BoogieIcfgContainer [2020-10-27 15:39:08,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:39:08,611 INFO L168 Benchmark]: Toolchain (without parser) took 62455.74 ms. Allocated memory was 166.7 MB in the beginning and 738.2 MB in the end (delta: 571.5 MB). Free memory was 139.7 MB in the beginning and 622.4 MB in the end (delta: -482.6 MB). Peak memory consumption was 441.0 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:08,611 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 166.7 MB. Free memory is still 141.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:39:08,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.08 ms. Allocated memory is still 166.7 MB. Free memory was 139.1 MB in the beginning and 143.4 MB in the end (delta: -4.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:08,612 INFO L168 Benchmark]: Boogie Preprocessor took 135.77 ms. Allocated memory is still 166.7 MB. Free memory was 143.4 MB in the beginning and 138.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:08,613 INFO L168 Benchmark]: RCFGBuilder took 1329.70 ms. Allocated memory is still 166.7 MB. Free memory was 138.6 MB in the beginning and 126.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 90.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:08,614 INFO L168 Benchmark]: TraceAbstraction took 60208.54 ms. Allocated memory was 166.7 MB in the beginning and 738.2 MB in the end (delta: 571.5 MB). Free memory was 125.6 MB in the beginning and 622.4 MB in the end (delta: -496.8 MB). Peak memory consumption was 425.9 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:08,616 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 166.7 MB. Free memory is still 141.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 767.08 ms. Allocated memory is still 166.7 MB. Free memory was 139.1 MB in the beginning and 143.4 MB in the end (delta: -4.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 135.77 ms. Allocated memory is still 166.7 MB. Free memory was 143.4 MB in the beginning and 138.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1329.70 ms. Allocated memory is still 166.7 MB. Free memory was 138.6 MB in the beginning and 126.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 90.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 60208.54 ms. Allocated memory was 166.7 MB in the beginning and 738.2 MB in the end (delta: 571.5 MB). Free memory was 125.6 MB in the beginning and 622.4 MB in the end (delta: -496.8 MB). Peak memory consumption was 425.9 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: (((((((((a21 == 1 && a17 == 8) && !(a19 == 1)) && 7 == a28) && a11 == 1) || (((a19 <= 0 && a21 == 1) && a17 == 8) && 7 == a28)) || !(0 == \old(a11))) || a11 == 0) || 8 <= a28) || a17 <= 7) || (1 <= a25 && a25 <= 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 56.7s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 23.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 440 SDtfs, 3616 SDslu, 453 SDs, 0 SdLazy, 8713 SolverSat, 1070 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 83 SyntacticMatches, 6 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1941occurred in iteration=11, 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, 12 MinimizatonAttempts, 92 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 174 PreInvPairs, 238 NumberOfFragments, 558 HoareAnnotationTreeSize, 174 FomulaSimplifications, 3644734 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4466 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 31.5s InterpolantComputationTime, 1686 NumberOfCodeBlocks, 1686 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1674 ConstructedInterpolants, 0 QuantifiedInterpolants, 2712450 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 570/584 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...