/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=NARROWEST --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 -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:04:41,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:04:41,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:04:41,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:04:41,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:04:41,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:04:41,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:04:41,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:04:41,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:04:41,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:04:41,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:04:41,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:04:41,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:04:41,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:04:41,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:04:41,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:04:41,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:04:41,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:04:41,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:04:41,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:04:41,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:04:41,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:04:41,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:04:41,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:04:41,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:04:41,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:04:41,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:04:41,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:04:41,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:04:41,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:04:41,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:04:41,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:04:41,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:04:41,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:04:41,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:04:41,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:04:41,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:04:41,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:04:41,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:04:41,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:04:41,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:04:41,324 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 [2020-10-13 08:04:41,371 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:04:41,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:04:41,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:04:41,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:04:41,373 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:04:41,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:04:41,374 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:04:41,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:04:41,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:04:41,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:04:41,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:04:41,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:04:41,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:04:41,377 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:04:41,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:04:41,377 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:04:41,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:04:41,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:04:41,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:04:41,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:04:41,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:04:41,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:04:41,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:04:41,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:04:41,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:04:41,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:04:41,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:04:41,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:04:41,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:04:41,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:04:41,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:04:41,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:04:41,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:04:41,682 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:04:41,682 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:04:41,683 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label53.c [2020-10-13 08:04:41,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5fbf9d33d/138b8ac900844997831082374145f097/FLAGdbde0ac34 [2020-10-13 08:04:42,319 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:04:42,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label53.c [2020-10-13 08:04:42,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5fbf9d33d/138b8ac900844997831082374145f097/FLAGdbde0ac34 [2020-10-13 08:04:42,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5fbf9d33d/138b8ac900844997831082374145f097 [2020-10-13 08:04:42,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:04:42,569 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:04:42,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:04:42,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:04:42,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:04:42,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:04:42" (1/1) ... [2020-10-13 08:04:42,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:42, skipping insertion in model container [2020-10-13 08:04:42,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:04:42" (1/1) ... [2020-10-13 08:04:42,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:04:42,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:04:43,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:04:43,206 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:04:43,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:04:43,354 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:04:43,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:43 WrapperNode [2020-10-13 08:04:43,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:04:43,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:04:43,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:04:43,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:04:43,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:43" (1/1) ... [2020-10-13 08:04:43,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:43" (1/1) ... [2020-10-13 08:04:43,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:43" (1/1) ... [2020-10-13 08:04:43,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:43" (1/1) ... [2020-10-13 08:04:43,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:43" (1/1) ... [2020-10-13 08:04:43,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:43" (1/1) ... [2020-10-13 08:04:43,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:43" (1/1) ... [2020-10-13 08:04:43,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:04:43,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:04:43,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:04:43,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:04:43,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:43" (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 [2020-10-13 08:04:43,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:04:43,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:04:43,577 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:04:43,577 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:04:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:04:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:04:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:04:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:04:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:04:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:04:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:04:44,888 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:04:44,888 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:04:44,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:04:44 BoogieIcfgContainer [2020-10-13 08:04:44,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:04:44,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:04:44,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:04:44,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:04:44,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:04:42" (1/3) ... [2020-10-13 08:04:44,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79952d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:04:44, skipping insertion in model container [2020-10-13 08:04:44,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:43" (2/3) ... [2020-10-13 08:04:44,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79952d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:04:44, skipping insertion in model container [2020-10-13 08:04:44,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:04:44" (3/3) ... [2020-10-13 08:04:44,905 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label53.c [2020-10-13 08:04:44,919 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:04:44,929 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:04:44,948 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:04:44,981 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:04:44,981 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:04:44,981 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:04:44,981 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:04:44,982 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:04:44,982 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:04:44,982 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:04:44,983 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:04:45,010 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-13 08:04:45,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-13 08:04:45,021 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:45,022 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] [2020-10-13 08:04:45,023 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:45,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:45,030 INFO L82 PathProgramCache]: Analyzing trace with hash 253834415, now seen corresponding path program 1 times [2020-10-13 08:04:45,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:45,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1496328616] [2020-10-13 08:04:45,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:45,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:45,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:45,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 08:04:45,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:45,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 449 [2020-10-13 08:04:45,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:45,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:04:45,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:04:45,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 08:04:45,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-13 08:04:45,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:45,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:45,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:45,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:45,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:45,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 08:04:45,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:45,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:45,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:45,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:04:45,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:45,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:45,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1496328616] [2020-10-13 08:04:45,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:04:45,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:04:45,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090356158] [2020-10-13 08:04:45,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:04:45,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:45,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:04:45,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:04:45,893 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-13 08:04:47,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:47,416 INFO L93 Difference]: Finished difference Result 581 states and 1007 transitions. [2020-10-13 08:04:47,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:47,419 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-13 08:04:47,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:47,455 INFO L225 Difference]: With dead ends: 581 [2020-10-13 08:04:47,455 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:04:47,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:47,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:04:47,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:04:47,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:04:47,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 423 transitions. [2020-10-13 08:04:47,622 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 423 transitions. Word has length 48 [2020-10-13 08:04:47,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:47,622 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 423 transitions. [2020-10-13 08:04:47,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:04:47,623 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 423 transitions. [2020-10-13 08:04:47,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-13 08:04:47,630 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:47,630 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:47,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:04:47,631 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:47,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:47,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1296843154, now seen corresponding path program 1 times [2020-10-13 08:04:47,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:47,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915210690] [2020-10-13 08:04:47,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:47,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:48,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:48,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:48,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:48,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 08:04:48,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:04:48,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1030 [2020-10-13 08:04:48,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:48,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:48,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 08:04:48,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 08:04:48,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:04:48,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:48,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:48,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:48,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:48,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:48,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 08:04:48,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:48,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:48,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:48,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:48,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-13 08:04:48,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:48,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:48,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:48,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:04:48,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:48,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-13 08:04:48,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:48,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:48,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:48,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 08:04:48,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:49,025 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:49,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915210690] [2020-10-13 08:04:49,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:49,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:49,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047775032] [2020-10-13 08:04:49,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:49,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:49,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:49,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:49,039 INFO L87 Difference]: Start difference. First operand 296 states and 423 transitions. Second operand 5 states. [2020-10-13 08:04:50,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:50,167 INFO L93 Difference]: Finished difference Result 882 states and 1288 transitions. [2020-10-13 08:04:50,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:50,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-10-13 08:04:50,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:50,177 INFO L225 Difference]: With dead ends: 882 [2020-10-13 08:04:50,177 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:04:50,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:04:50,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:04:50,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2020-10-13 08:04:50,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 08:04:50,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 790 transitions. [2020-10-13 08:04:50,230 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 790 transitions. Word has length 120 [2020-10-13 08:04:50,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:50,231 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 790 transitions. [2020-10-13 08:04:50,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:50,232 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 790 transitions. [2020-10-13 08:04:50,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-13 08:04:50,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:50,248 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:50,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:04:50,248 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:50,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:50,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1111475730, now seen corresponding path program 1 times [2020-10-13 08:04:50,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:50,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1653119647] [2020-10-13 08:04:50,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:50,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:50,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:51,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:51,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:51,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-13 08:04:51,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:04:51,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1643 [2020-10-13 08:04:51,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:51,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:51,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-10-13 08:04:51,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 08:04:51,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:52,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:52,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:52,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:52,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:52,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:52,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:04:52,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:52,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:52,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:52,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:52,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:52,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:52,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:52,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:52,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 08:04:52,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:52,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-13 08:04:52,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:52,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:52,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:52,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-13 08:04:52,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:52,600 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:52,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1653119647] [2020-10-13 08:04:52,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:52,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:52,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245807514] [2020-10-13 08:04:52,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:52,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:52,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:52,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:52,605 INFO L87 Difference]: Start difference. First operand 586 states and 790 transitions. Second operand 5 states. [2020-10-13 08:04:53,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:53,441 INFO L93 Difference]: Finished difference Result 1193 states and 1620 transitions. [2020-10-13 08:04:53,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:53,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 184 [2020-10-13 08:04:53,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:53,453 INFO L225 Difference]: With dead ends: 1193 [2020-10-13 08:04:53,454 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:04:53,456 INFO L675 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 [2020-10-13 08:04:53,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:04:53,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2020-10-13 08:04:53,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 08:04:53,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 786 transitions. [2020-10-13 08:04:53,507 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 786 transitions. Word has length 184 [2020-10-13 08:04:53,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:53,507 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 786 transitions. [2020-10-13 08:04:53,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:53,508 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 786 transitions. [2020-10-13 08:04:53,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-13 08:04:53,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:53,512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:53,512 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:04:53,513 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:53,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:53,513 INFO L82 PathProgramCache]: Analyzing trace with hash -200915727, now seen corresponding path program 1 times [2020-10-13 08:04:53,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:53,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [810140315] [2020-10-13 08:04:53,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:53,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:53,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:53,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:56,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:58,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:58,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-13 08:04:58,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:04:58,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4966 [2020-10-13 08:04:58,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:58,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:04:58,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-13 08:04:58,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 08:04:58,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:58,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:58,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:58,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:58,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:58,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:58,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:04:58,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:58,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:58,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:58,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:58,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:58,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:58,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:58,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:58,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 08:04:58,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:58,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-13 08:04:58,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:58,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:58,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:58,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-13 08:04:58,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:58,941 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:58,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [810140315] [2020-10-13 08:04:58,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:58,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:04:58,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693440764] [2020-10-13 08:04:58,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:04:58,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:58,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:04:58,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:04:58,944 INFO L87 Difference]: Start difference. First operand 586 states and 786 transitions. Second operand 8 states. [2020-10-13 08:05:00,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:00,185 INFO L93 Difference]: Finished difference Result 1205 states and 1630 transitions. [2020-10-13 08:05:00,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:05:00,189 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 189 [2020-10-13 08:05:00,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:00,193 INFO L225 Difference]: With dead ends: 1205 [2020-10-13 08:05:00,194 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:05:00,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:05:00,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:05:00,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2020-10-13 08:05:00,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 08:05:00,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 777 transitions. [2020-10-13 08:05:00,220 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 777 transitions. Word has length 189 [2020-10-13 08:05:00,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:00,221 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 777 transitions. [2020-10-13 08:05:00,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:05:00,221 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 777 transitions. [2020-10-13 08:05:00,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-13 08:05:00,253 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:00,254 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, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:05:00,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:05:00,254 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:00,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:00,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1300319578, now seen corresponding path program 1 times [2020-10-13 08:05:00,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:00,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1337031714] [2020-10-13 08:05:00,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:00,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:00,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:00,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:01,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:02,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:04,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:04,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-13 08:05:04,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:05:04,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3992 [2020-10-13 08:05:04,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:04,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:04,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-13 08:05:04,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 08:05:04,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:04,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:04,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:04,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:04,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:04,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:04,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:05:04,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:04,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:04,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:04,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:04,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:04,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:04,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:04,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:04,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:05:04,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:04,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 08:05:04,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:04,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:04,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:04,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:04,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:04,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:05:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:04,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:04,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:04,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:05:04,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:04,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-13 08:05:04,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:04,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:04,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:04,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:05:04,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:04,658 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:05:04,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1337031714] [2020-10-13 08:05:04,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:04,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:04,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498192122] [2020-10-13 08:05:04,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:04,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:04,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:04,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:04,661 INFO L87 Difference]: Start difference. First operand 586 states and 777 transitions. Second operand 5 states. [2020-10-13 08:05:05,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:05,409 INFO L93 Difference]: Finished difference Result 1181 states and 1578 transitions. [2020-10-13 08:05:05,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:05:05,415 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 193 [2020-10-13 08:05:05,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:05,418 INFO L225 Difference]: With dead ends: 1181 [2020-10-13 08:05:05,419 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:05:05,421 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:05:05,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:05:05,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2020-10-13 08:05:05,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 08:05:05,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 775 transitions. [2020-10-13 08:05:05,439 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 775 transitions. Word has length 193 [2020-10-13 08:05:05,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:05,440 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 775 transitions. [2020-10-13 08:05:05,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:05,440 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 775 transitions. [2020-10-13 08:05:05,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-13 08:05:05,443 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:05,444 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, 2, 2, 2, 2, 2, 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] [2020-10-13 08:05:05,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:05:05,444 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:05,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:05,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1040507459, now seen corresponding path program 1 times [2020-10-13 08:05:05,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:05,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102115635] [2020-10-13 08:05:05,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:05,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:05,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:06,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:06,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:06,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-13 08:05:06,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:05:06,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 954 [2020-10-13 08:05:06,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:06,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:06,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-13 08:05:06,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 08:05:06,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:06,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:06,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:06,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:06,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:06,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:06,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:05:06,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:06,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:06,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:06,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:06,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:06,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:06,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:06,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:06,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:05:06,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:06,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 08:05:06,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:06,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:06,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:06,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:06,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 15 [2020-10-13 08:05:06,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 08:05:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:06,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:06,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:06,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 08:05:06,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:06,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 08:05:06,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:06,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:06,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:06,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 08:05:06,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:06,820 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:05:06,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1102115635] [2020-10-13 08:05:06,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:06,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:06,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731249765] [2020-10-13 08:05:06,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:06,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:06,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:06,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:06,824 INFO L87 Difference]: Start difference. First operand 586 states and 775 transitions. Second operand 5 states. [2020-10-13 08:05:07,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:07,962 INFO L93 Difference]: Finished difference Result 1189 states and 1582 transitions. [2020-10-13 08:05:07,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:05:07,963 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 216 [2020-10-13 08:05:07,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:07,968 INFO L225 Difference]: With dead ends: 1189 [2020-10-13 08:05:07,969 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:05:07,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:05:07,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:05:07,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2020-10-13 08:05:07,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 08:05:07,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 773 transitions. [2020-10-13 08:05:07,998 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 773 transitions. Word has length 216 [2020-10-13 08:05:07,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:07,999 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 773 transitions. [2020-10-13 08:05:07,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:07,999 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 773 transitions. [2020-10-13 08:05:08,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-13 08:05:08,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:08,007 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, 2, 2, 2, 2, 2, 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] [2020-10-13 08:05:08,007 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:05:08,007 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:08,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:08,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1731839750, now seen corresponding path program 1 times [2020-10-13 08:05:08,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:08,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [328871608] [2020-10-13 08:05:08,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:08,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:08,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:08,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:09,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:09,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-13 08:05:09,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:05:09,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1738 [2020-10-13 08:05:09,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:09,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-10-13 08:05:09,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 08:05:09,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:09,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:09,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:09,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:09,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:09,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:09,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:05:09,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:09,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:09,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:09,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:09,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:09,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:09,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:09,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:09,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:05:09,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:09,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:05:09,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:09,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:09,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:09,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:09,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:09,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 08:05:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:09,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:10,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:10,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 08:05:10,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:10,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-13 08:05:10,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:10,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:10,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:10,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-13 08:05:10,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:10,165 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:05:10,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [328871608] [2020-10-13 08:05:10,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:10,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:10,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316301587] [2020-10-13 08:05:10,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:10,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:10,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:10,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:10,168 INFO L87 Difference]: Start difference. First operand 586 states and 773 transitions. Second operand 5 states. [2020-10-13 08:05:11,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:11,122 INFO L93 Difference]: Finished difference Result 1186 states and 1575 transitions. [2020-10-13 08:05:11,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:05:11,127 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 237 [2020-10-13 08:05:11,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:11,133 INFO L225 Difference]: With dead ends: 1186 [2020-10-13 08:05:11,133 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:05:11,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:05:11,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:05:11,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2020-10-13 08:05:11,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 08:05:11,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 771 transitions. [2020-10-13 08:05:11,153 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 771 transitions. Word has length 237 [2020-10-13 08:05:11,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:11,154 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 771 transitions. [2020-10-13 08:05:11,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:11,154 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 771 transitions. [2020-10-13 08:05:11,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-13 08:05:11,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:11,158 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, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:05:11,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:05:11,159 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:11,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:11,159 INFO L82 PathProgramCache]: Analyzing trace with hash -402332723, now seen corresponding path program 1 times [2020-10-13 08:05:11,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:11,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [530133630] [2020-10-13 08:05:11,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:11,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:11,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:11,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:12,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:14,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:15,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:15,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-13 08:05:15,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:05:15,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4681 [2020-10-13 08:05:15,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:15,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:15,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 204 [2020-10-13 08:05:15,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:05:15,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:15,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:15,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:15,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:15,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:15,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:15,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:05:15,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:15,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:15,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:15,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:15,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:15,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:15,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:15,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:15,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:05:15,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:15,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 08:05:15,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:15,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:15,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:15,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:16,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:05:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:16,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:16,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:16,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 08:05:16,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:16,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-13 08:05:16,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:16,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:16,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:16,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-13 08:05:16,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:05:16,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [530133630] [2020-10-13 08:05:16,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:16,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:16,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893364309] [2020-10-13 08:05:16,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:16,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:16,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:16,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:16,229 INFO L87 Difference]: Start difference. First operand 586 states and 771 transitions. Second operand 5 states. [2020-10-13 08:05:17,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:17,038 INFO L93 Difference]: Finished difference Result 1185 states and 1570 transitions. [2020-10-13 08:05:17,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:05:17,039 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 240 [2020-10-13 08:05:17,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:17,042 INFO L225 Difference]: With dead ends: 1185 [2020-10-13 08:05:17,042 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:05:17,044 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:05:17,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:05:17,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2020-10-13 08:05:17,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 08:05:17,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 769 transitions. [2020-10-13 08:05:17,060 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 769 transitions. Word has length 240 [2020-10-13 08:05:17,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:17,060 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 769 transitions. [2020-10-13 08:05:17,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:17,061 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 769 transitions. [2020-10-13 08:05:17,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-13 08:05:17,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:17,064 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, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:05:17,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:05:17,065 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:17,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:17,065 INFO L82 PathProgramCache]: Analyzing trace with hash -135891278, now seen corresponding path program 1 times [2020-10-13 08:05:17,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:17,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352983919] [2020-10-13 08:05:17,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:17,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:17,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:17,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:17,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:18,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:19,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:19,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-13 08:05:19,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:05:19,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2826 [2020-10-13 08:05:19,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:19,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:19,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 209 [2020-10-13 08:05:19,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:05:19,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:19,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:20,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:20,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:20,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:20,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:20,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:05:20,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:20,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:20,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:20,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:20,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:20,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:20,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:20,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:20,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:05:20,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:20,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:05:20,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:20,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:20,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:20,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:20,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:05:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:20,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:20,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:20,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-13 08:05:20,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:20,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-13 08:05:20,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:20,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:20,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:20,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-13 08:05:20,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:20,190 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:05:20,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352983919] [2020-10-13 08:05:20,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:20,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:20,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708629736] [2020-10-13 08:05:20,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:20,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:20,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:20,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:20,192 INFO L87 Difference]: Start difference. First operand 586 states and 769 transitions. Second operand 5 states. [2020-10-13 08:05:20,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:20,982 INFO L93 Difference]: Finished difference Result 1184 states and 1564 transitions. [2020-10-13 08:05:20,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:05:20,986 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 245 [2020-10-13 08:05:20,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:20,991 INFO L225 Difference]: With dead ends: 1184 [2020-10-13 08:05:20,991 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:05:20,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:05:20,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:05:21,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2020-10-13 08:05:21,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 08:05:21,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 766 transitions. [2020-10-13 08:05:21,009 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 766 transitions. Word has length 245 [2020-10-13 08:05:21,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:21,010 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 766 transitions. [2020-10-13 08:05:21,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:21,010 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 766 transitions. [2020-10-13 08:05:21,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-13 08:05:21,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:21,014 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:05:21,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:05:21,015 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:21,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:21,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1784985051, now seen corresponding path program 1 times [2020-10-13 08:05:21,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:21,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1083110996] [2020-10-13 08:05:21,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:21,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:21,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:21,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:22,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:22,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:22,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-13 08:05:22,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:05:22,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1798 [2020-10-13 08:05:22,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:22,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:22,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 224 [2020-10-13 08:05:22,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 08:05:22,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:22,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:22,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:22,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:22,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:22,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:22,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:05:22,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:22,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:22,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:22,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:22,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:22,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:22,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:22,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:22,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:05:22,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:22,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:05:22,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:22,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:22,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:22,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:22,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:23,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 08:05:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:23,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:23,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:23,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 08:05:23,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:23,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-13 08:05:23,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:23,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:23,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:23,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-13 08:05:23,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:23,234 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:05:23,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1083110996] [2020-10-13 08:05:23,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:23,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:23,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680666148] [2020-10-13 08:05:23,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:23,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:23,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:23,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:23,237 INFO L87 Difference]: Start difference. First operand 586 states and 766 transitions. Second operand 5 states. [2020-10-13 08:05:24,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:24,036 INFO L93 Difference]: Finished difference Result 1036 states and 1337 transitions. [2020-10-13 08:05:24,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:05:24,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 260 [2020-10-13 08:05:24,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:24,045 INFO L225 Difference]: With dead ends: 1036 [2020-10-13 08:05:24,045 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:05:24,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:05:24,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:05:24,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:05:24,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:05:24,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:05:24,049 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 260 [2020-10-13 08:05:24,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:24,049 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:05:24,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:24,049 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:05:24,049 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:05:24,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:05:24,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:05:24,310 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 65 [2020-10-13 08:05:24,426 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 65 [2020-10-13 08:05:25,306 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 107 [2020-10-13 08:05:25,576 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2020-10-13 08:05:25,816 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2020-10-13 08:05:25,821 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:05:25,821 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-13 08:05:25,822 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:05:25,822 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-13 08:05:25,822 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,822 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,822 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,822 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,822 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,822 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,822 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-13 08:05:25,823 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-13 08:05:25,823 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:05:25,823 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:05:25,823 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:05:25,823 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:05:25,823 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:05:25,823 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:05:25,823 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-13 08:05:25,824 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-13 08:05:25,824 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-13 08:05:25,824 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,824 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,824 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,824 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,824 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,824 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-13 08:05:25,825 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-13 08:05:25,825 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-13 08:05:25,825 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-13 08:05:25,825 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:05:25,825 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:05:25,825 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:05:25,825 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:05:25,825 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:05:25,826 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-13 08:05:25,826 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-13 08:05:25,826 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-13 08:05:25,826 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-13 08:05:25,826 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2020-10-13 08:05:25,826 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-13 08:05:25,826 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,826 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,827 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,827 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,827 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,827 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-13 08:05:25,827 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:05:25,827 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:05:25,827 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:05:25,827 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:05:25,828 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:05:25,828 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-13 08:05:25,828 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-13 08:05:25,828 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-13 08:05:25,828 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-13 08:05:25,828 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,828 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,829 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,829 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,829 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,829 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-13 08:05:25,829 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-13 08:05:25,829 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-13 08:05:25,829 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:05:25,830 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:05:25,830 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:05:25,830 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:05:25,830 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:05:25,830 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-13 08:05:25,830 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-13 08:05:25,830 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-13 08:05:25,830 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-13 08:05:25,831 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-13 08:05:25,831 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,831 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,831 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,831 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,831 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,831 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:05:25,832 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:05:25,832 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:05:25,832 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:05:25,832 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:05:25,832 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-13 08:05:25,832 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-13 08:05:25,832 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-13 08:05:25,832 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-13 08:05:25,833 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,833 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,833 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,833 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,833 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,833 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,833 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,834 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-13 08:05:25,834 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-13 08:05:25,834 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-13 08:05:25,834 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-13 08:05:25,834 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:05:25,834 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:05:25,834 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:05:25,834 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:05:25,835 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:05:25,835 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-13 08:05:25,835 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-13 08:05:25,835 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-13 08:05:25,835 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-13 08:05:25,835 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,835 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,835 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,836 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,836 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:05:25,836 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,836 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,836 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-13 08:05:25,836 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-13 08:05:25,836 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-13 08:05:25,837 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:05:25,837 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:05:25,837 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:05:25,837 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:05:25,837 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:05:25,837 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:05:25,837 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-13 08:05:25,837 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-13 08:05:25,837 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-13 08:05:25,838 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-13 08:05:25,838 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,838 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,838 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,838 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,838 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,838 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,838 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-13 08:05:25,838 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-13 08:05:25,839 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-13 08:05:25,839 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:05:25,839 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:05:25,839 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:05:25,839 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:05:25,839 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:05:25,839 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:05:25,839 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-13 08:05:25,839 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-13 08:05:25,840 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (= ~a1~0 |old(~a1~0)|)) (.cse3 (= ~a10~0 |old(~a10~0)|))) (let ((.cse6 (not (= 4 |old(~a10~0)|))) (.cse8 (not (= 2 |old(~a10~0)|))) (.cse7 (not (= 8 |old(~a19~0)|))) (.cse11 (not (<= 0 (+ |old(~a1~0)| 12)))) (.cse9 (not (<= |old(~a19~0)| 7))) (.cse10 (not (<= 7 |old(~a19~0)|))) (.cse5 (and .cse2 (= ~a19~0 |old(~a19~0)|) .cse3)) (.cse0 (not (<= |old(~a10~0)| 2))) (.cse1 (not (= 14 ~a4~0))) (.cse4 (not (= ~a12~0 0)))) (and (or (not (<= 592098 |old(~a1~0)|)) (not (<= |old(~a19~0)| 8)) (not (<= 8 |old(~a19~0)|)) .cse0 .cse1 (and (<= 8 ~a19~0) (<= ~a19~0 8) .cse2 .cse3) .cse4) (or .cse5 .cse1 .cse6 .cse7 .cse4) (or (not (<= (+ |old(~a1~0)| 437977) 0)) .cse5 .cse1 .cse8 .cse7 .cse4) (or (not (= 9 |old(~a19~0)|)) .cse5) (or (not (<= 117 |old(~a1~0)|)) .cse9 .cse10 (not (<= |old(~a1~0)| 206)) .cse5 .cse0 .cse1 .cse4) (or .cse5 (not (<= |old(~a10~0)| 1))) (or (not (<= 6 |old(~a19~0)|)) (not (<= 3 |old(~a10~0)|)) .cse1 (not (<= |old(~a1~0)| 33)) (not (<= |old(~a19~0)| 6)) (and (<= 6 ~a19~0) .cse2 (<= ~a19~0 6) .cse3) .cse11 .cse4 (not (<= |old(~a10~0)| 3))) (or (not (= 6 |old(~a19~0)|)) (not (<= (+ |old(~a1~0)| 333899) 0)) .cse1 (and .cse2 (= ~a19~0 6) .cse3) .cse6 .cse4) (or .cse5 (not (<= |old(~a1~0)| 36)) .cse1 .cse8 .cse7 .cse11 .cse4) (or .cse9 .cse10 .cse5 (not (<= |old(~a1~0)| 5)) .cse0 .cse1 (not (<= 0 |old(~a1~0)|)) .cse4)))) [2020-10-13 08:05:25,840 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-13 08:05:25,840 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-13 08:05:25,840 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-13 08:05:25,840 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,841 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,841 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,841 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,841 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,841 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,841 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-13 08:05:25,841 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:05:25,841 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:05:25,841 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:05:25,841 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:05:25,842 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:05:25,842 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:05:25,842 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-13 08:05:25,842 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-13 08:05:25,842 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-13 08:05:25,842 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-13 08:05:25,842 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-13 08:05:25,842 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-13 08:05:25,843 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,843 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,843 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,843 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,843 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,843 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,843 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-13 08:05:25,843 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-13 08:05:25,843 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-13 08:05:25,843 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:05:25,844 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:05:25,844 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:05:25,844 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:05:25,844 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:05:25,844 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:05:25,844 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-13 08:05:25,844 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-13 08:05:25,844 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-13 08:05:25,844 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,845 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,845 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,845 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,845 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,845 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,845 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-13 08:05:25,845 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-13 08:05:25,845 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-13 08:05:25,846 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:05:25,846 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:05:25,846 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:05:25,846 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:05:25,846 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:05:25,846 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:05:25,846 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-13 08:05:25,846 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-13 08:05:25,846 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-13 08:05:25,847 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:05:25,847 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (<= ~a10~0 1)) [2020-10-13 08:05:25,847 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:05:25,847 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:05:25,847 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a10~0)| 1))) [2020-10-13 08:05:25,847 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:05:25,848 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse6 (= ~a10~0 2)) (.cse7 (<= 0 (+ ~a1~0 12))) (.cse0 (<= ~a19~0 7)) (.cse2 (<= 7 ~a19~0)) (.cse3 (<= ~a10~0 2)) (.cse5 (= ~a19~0 8)) (.cse1 (= 14 ~a4~0)) (.cse4 (= ~a12~0 0)) (.cse8 (= ~a10~0 4))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 117 ~a1~0) (<= ~a1~0 206)) (and .cse5 .cse1 .cse6 .cse4 (<= (+ ~a1~0 437977) 0)) (and .cse5 .cse7 (<= ~a1~0 36) .cse1 .cse6 .cse4) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (and .cse7 (<= 3 ~a10~0) (<= 6 ~a19~0) .cse1 (<= ~a1~0 33) .cse4 (<= ~a19~0 6) (<= ~a10~0 3)) (<= ~a10~0 1) (and (<= 8 ~a19~0) .cse1 .cse3 .cse4 (<= ~a19~0 8) (<= 592098 ~a1~0)) (and (<= (+ ~a1~0 333899) 0) .cse1 .cse4 (= ~a19~0 6) .cse8) (and .cse0 .cse1 (<= 0 ~a1~0) .cse2 .cse3 .cse4 (<= ~a1~0 5)) (not (<= |old(~a10~0)| 1)) (and .cse5 .cse1 .cse4 .cse8))) [2020-10-13 08:05:25,848 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-13 08:05:25,848 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-13 08:05:25,848 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse6 (= ~a10~0 2)) (.cse7 (<= 0 (+ ~a1~0 12))) (.cse0 (<= ~a19~0 7)) (.cse2 (<= 7 ~a19~0)) (.cse3 (<= ~a10~0 2)) (.cse5 (= ~a19~0 8)) (.cse1 (= 14 ~a4~0)) (.cse4 (= ~a12~0 0)) (.cse8 (= ~a10~0 4))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 117 ~a1~0) (<= ~a1~0 206)) (and .cse5 .cse1 .cse6 .cse4 (<= (+ ~a1~0 437977) 0)) (and .cse5 .cse7 (<= ~a1~0 36) .cse1 .cse6 .cse4) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (and .cse7 (<= 3 ~a10~0) (<= 6 ~a19~0) .cse1 (<= ~a1~0 33) .cse4 (<= ~a19~0 6) (<= ~a10~0 3)) (<= ~a10~0 1) (and (<= 8 ~a19~0) .cse1 .cse3 .cse4 (<= ~a19~0 8) (<= 592098 ~a1~0)) (and (<= (+ ~a1~0 333899) 0) .cse1 .cse4 (= ~a19~0 6) .cse8) (and .cse0 .cse1 (<= 0 ~a1~0) .cse2 .cse3 .cse4 (<= ~a1~0 5)) (not (<= |old(~a10~0)| 1)) (and .cse5 .cse1 .cse4 .cse8))) [2020-10-13 08:05:25,848 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:05:25,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:05:25 BoogieIcfgContainer [2020-10-13 08:05:25,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:05:25,874 INFO L168 Benchmark]: Toolchain (without parser) took 43305.38 ms. Allocated memory was 142.1 MB in the beginning and 853.5 MB in the end (delta: 711.5 MB). Free memory was 103.7 MB in the beginning and 673.0 MB in the end (delta: -569.4 MB). Peak memory consumption was 725.3 MB. Max. memory is 7.1 GB. [2020-10-13 08:05:25,875 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 08:05:25,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.09 ms. Allocated memory was 142.1 MB in the beginning and 207.1 MB in the end (delta: 65.0 MB). Free memory was 103.5 MB in the beginning and 173.1 MB in the end (delta: -69.7 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. [2020-10-13 08:05:25,877 INFO L168 Benchmark]: Boogie Preprocessor took 139.40 ms. Allocated memory is still 207.1 MB. Free memory was 173.1 MB in the beginning and 168.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:05:25,878 INFO L168 Benchmark]: RCFGBuilder took 1400.96 ms. Allocated memory was 207.1 MB in the beginning and 235.9 MB in the end (delta: 28.8 MB). Free memory was 168.4 MB in the beginning and 175.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. [2020-10-13 08:05:25,879 INFO L168 Benchmark]: TraceAbstraction took 40974.55 ms. Allocated memory was 235.9 MB in the beginning and 853.5 MB in the end (delta: 617.6 MB). Free memory was 173.6 MB in the beginning and 673.0 MB in the end (delta: -499.4 MB). Peak memory consumption was 701.4 MB. Max. memory is 7.1 GB. [2020-10-13 08:05:25,888 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 785.09 ms. Allocated memory was 142.1 MB in the beginning and 207.1 MB in the end (delta: 65.0 MB). Free memory was 103.5 MB in the beginning and 173.1 MB in the end (delta: -69.7 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.40 ms. Allocated memory is still 207.1 MB. Free memory was 173.1 MB in the beginning and 168.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1400.96 ms. Allocated memory was 207.1 MB in the beginning and 235.9 MB in the end (delta: 28.8 MB). Free memory was 168.4 MB in the beginning and 175.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 40974.55 ms. Allocated memory was 235.9 MB in the beginning and 853.5 MB in the end (delta: 617.6 MB). Free memory was 173.6 MB in the beginning and 673.0 MB in the end (delta: -499.4 MB). Peak memory consumption was 701.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((((((((((a19 <= 7 && 14 == a4) && 7 <= a19) && a10 <= 2) && a12 == 0) && 117 <= a1) && a1 <= 206) || ((((a19 == 8 && 14 == a4) && a10 == 2) && a12 == 0) && a1 + 437977 <= 0)) || (((((a19 == 8 && 0 <= a1 + 12) && a1 <= 36) && 14 == a4) && a10 == 2) && a12 == 0)) || !(9 == \old(a19))) || a19 == 9) || (((((((0 <= a1 + 12 && 3 <= a10) && 6 <= a19) && 14 == a4) && a1 <= 33) && a12 == 0) && a19 <= 6) && a10 <= 3)) || a10 <= 1) || (((((8 <= a19 && 14 == a4) && a10 <= 2) && a12 == 0) && a19 <= 8) && 592098 <= a1)) || ((((a1 + 333899 <= 0 && 14 == a4) && a12 == 0) && a19 == 6) && a10 == 4)) || ((((((a19 <= 7 && 14 == a4) && 0 <= a1) && 7 <= a19) && a10 <= 2) && a12 == 0) && a1 <= 5)) || !(\old(a10) <= 1)) || (((a19 == 8 && 14 == a4) && a12 == 0) && a10 == 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.0s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 243 SDtfs, 2232 SDslu, 205 SDs, 0 SdLazy, 5985 SolverSat, 308 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 74 SyntacticMatches, 6 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=586occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 54 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 54 PreInvPairs, 80 NumberOfFragments, 733 HoareAnnotationTreeSize, 54 FomulaSimplifications, 74796 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 550 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 27.2s InterpolantComputationTime, 1932 NumberOfCodeBlocks, 1932 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1922 ConstructedInterpolants, 0 QuantifiedInterpolants, 1043068 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 1026/1041 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...