/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_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:02:01,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:02:01,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:02:01,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:02:01,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:02:01,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:02:01,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:02:01,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:02:01,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:02:01,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:02:01,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:02:01,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:02:01,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:02:01,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:02:01,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:02:01,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:02:01,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:02:01,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:02:01,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:02:01,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:02:01,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:02:01,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:02:01,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:02:01,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:02:01,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:02:01,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:02:01,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:02:01,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:02:01,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:02:01,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:02:01,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:02:01,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:02:01,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:02:01,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:02:01,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:02:01,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:02:01,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:02:01,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:02:01,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:02:01,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:02:01,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:02:01,326 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 08:02:01,354 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:02:01,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:02:01,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:02:01,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:02:01,356 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:02:01,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:02:01,356 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:02:01,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:02:01,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:02:01,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:02:01,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:02:01,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:02:01,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:02:01,358 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:02:01,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:02:01,358 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:02:01,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:02:01,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:02:01,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:02:01,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:02:01,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:02:01,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:02:01,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:02:01,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:02:01,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:02:01,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:02:01,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:02:01,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:02:01,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:02:01,361 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 08:02:01,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:02:01,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:02:01,698 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:02:01,700 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:02:01,700 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:02:01,701 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label01.c [2020-10-13 08:02:01,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8fbc7aaab/e77052c3cc2b41338b0bdcf329f6cfa3/FLAG52b93c585 [2020-10-13 08:02:02,372 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:02:02,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label01.c [2020-10-13 08:02:02,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8fbc7aaab/e77052c3cc2b41338b0bdcf329f6cfa3/FLAG52b93c585 [2020-10-13 08:02:02,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8fbc7aaab/e77052c3cc2b41338b0bdcf329f6cfa3 [2020-10-13 08:02:02,616 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:02:02,618 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:02:02,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:02:02,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:02:02,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:02:02,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:02" (1/1) ... [2020-10-13 08:02:02,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7730d90c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:02, skipping insertion in model container [2020-10-13 08:02:02,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:02" (1/1) ... [2020-10-13 08:02:02,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:02:02,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:02:03,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:02:03,267 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:02:03,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:02:03,384 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:02:03,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:03 WrapperNode [2020-10-13 08:02:03,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:02:03,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:02:03,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:02:03,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:02:03,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:03" (1/1) ... [2020-10-13 08:02:03,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:03" (1/1) ... [2020-10-13 08:02:03,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:03" (1/1) ... [2020-10-13 08:02:03,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:03" (1/1) ... [2020-10-13 08:02:03,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:03" (1/1) ... [2020-10-13 08:02:03,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:03" (1/1) ... [2020-10-13 08:02:03,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:03" (1/1) ... [2020-10-13 08:02:03,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:02:03,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:02:03,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:02:03,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:02:03,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:03" (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 08:02:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:02:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:02:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:02:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:02:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:02:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:02:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:02:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:02:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:02:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:02:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:02:05,113 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:02:05,114 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:02:05,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:02:05 BoogieIcfgContainer [2020-10-13 08:02:05,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:02:05,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:02:05,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:02:05,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:02:05,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:02:02" (1/3) ... [2020-10-13 08:02:05,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55cc834c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:02:05, skipping insertion in model container [2020-10-13 08:02:05,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:03" (2/3) ... [2020-10-13 08:02:05,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55cc834c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:02:05, skipping insertion in model container [2020-10-13 08:02:05,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:02:05" (3/3) ... [2020-10-13 08:02:05,139 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label01.c [2020-10-13 08:02:05,151 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:02:05,162 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:02:05,178 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:02:05,221 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:02:05,222 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:02:05,222 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:02:05,222 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:02:05,223 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:02:05,223 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:02:05,223 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:02:05,223 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:02:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-13 08:02:05,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-13 08:02:05,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:05,279 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:02:05,280 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:05,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:05,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1584910874, now seen corresponding path program 1 times [2020-10-13 08:02:05,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:05,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1595966251] [2020-10-13 08:02:05,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:05,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:05,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:05,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-13 08:02:05,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:05,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 414 [2020-10-13 08:02:05,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:05,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:02:05,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:02:05,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 08:02:05,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:02:06,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:06,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:06,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:06,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:06,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:06,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 08:02:06,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:06,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:06,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:06,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:02:06,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:06,126 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 08:02:06,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1595966251] [2020-10-13 08:02:06,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:02:06,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 08:02:06,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142008802] [2020-10-13 08:02:06,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:06,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:06,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:06,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:06,155 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-10-13 08:02:08,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:08,220 INFO L93 Difference]: Finished difference Result 730 states and 1302 transitions. [2020-10-13 08:02:08,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:02:08,222 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-10-13 08:02:08,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:08,241 INFO L225 Difference]: With dead ends: 730 [2020-10-13 08:02:08,242 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:08,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:02:08,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:08,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:08,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:08,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 648 transitions. [2020-10-13 08:02:08,401 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 648 transitions. Word has length 59 [2020-10-13 08:02:08,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:08,402 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 648 transitions. [2020-10-13 08:02:08,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:08,403 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 648 transitions. [2020-10-13 08:02:08,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-13 08:02:08,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:08,410 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:02:08,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:02:08,411 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:08,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:08,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1008578807, now seen corresponding path program 1 times [2020-10-13 08:02:08,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:08,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1925636296] [2020-10-13 08:02:08,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:08,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:08,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:08,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:08,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-13 08:02:08,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:02:08,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 478 [2020-10-13 08:02:08,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:08,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:08,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-13 08:02:08,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 08:02:08,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:09,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:09,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:09,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:09,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:09,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:09,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:02:09,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:09,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:09,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:09,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:09,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:09,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:09,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:09,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:09,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 08:02:09,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:09,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-13 08:02:09,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:09,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:09,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:09,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:02:09,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:09,344 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:09,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1925636296] [2020-10-13 08:02:09,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:09,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:09,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961829940] [2020-10-13 08:02:09,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:09,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:09,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:09,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:09,348 INFO L87 Difference]: Start difference. First operand 441 states and 648 transitions. Second operand 5 states. [2020-10-13 08:02:10,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:10,215 INFO L93 Difference]: Finished difference Result 905 states and 1333 transitions. [2020-10-13 08:02:10,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:10,216 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-10-13 08:02:10,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:10,225 INFO L225 Difference]: With dead ends: 905 [2020-10-13 08:02:10,226 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:10,229 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 08:02:10,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:10,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:10,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:10,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 645 transitions. [2020-10-13 08:02:10,275 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 645 transitions. Word has length 138 [2020-10-13 08:02:10,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:10,276 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 645 transitions. [2020-10-13 08:02:10,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:10,276 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 645 transitions. [2020-10-13 08:02:10,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-13 08:02:10,280 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:10,280 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:02:10,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:02:10,280 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:10,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:10,281 INFO L82 PathProgramCache]: Analyzing trace with hash 998416154, now seen corresponding path program 1 times [2020-10-13 08:02:10,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:10,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [781296071] [2020-10-13 08:02:10,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:10,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:10,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:11,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:11,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:11,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 08:02:11,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:11,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1231 [2020-10-13 08:02:11,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:11,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:11,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-13 08:02:11,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 08:02:11,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:11,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:11,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:11,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:11,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:11,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:11,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:02:11,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:11,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:11,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:11,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:11,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:11,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:11,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:11,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:11,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-13 08:02:11,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:11,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-13 08:02:11,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:11,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:11,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:11,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 08:02:11,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:11,840 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:11,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [781296071] [2020-10-13 08:02:11,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:11,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:11,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802392972] [2020-10-13 08:02:11,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:11,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:11,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:11,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:11,843 INFO L87 Difference]: Start difference. First operand 441 states and 645 transitions. Second operand 5 states. [2020-10-13 08:02:12,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:12,756 INFO L93 Difference]: Finished difference Result 898 states and 1320 transitions. [2020-10-13 08:02:12,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:12,757 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-10-13 08:02:12,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:12,761 INFO L225 Difference]: With dead ends: 898 [2020-10-13 08:02:12,762 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:12,763 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:02:12,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:12,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:12,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:12,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 642 transitions. [2020-10-13 08:02:12,784 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 642 transitions. Word has length 141 [2020-10-13 08:02:12,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:12,785 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 642 transitions. [2020-10-13 08:02:12,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:12,785 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 642 transitions. [2020-10-13 08:02:12,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-13 08:02:12,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:12,789 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:02:12,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:02:12,790 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:12,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:12,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1324623190, now seen corresponding path program 1 times [2020-10-13 08:02:12,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:12,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1874771275] [2020-10-13 08:02:12,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:12,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:12,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:13,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:13,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:14,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:14,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-13 08:02:14,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:02:14,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1225 [2020-10-13 08:02:14,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:14,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:14,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-13 08:02:14,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 08:02:14,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:14,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:14,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:14,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:14,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:14,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:14,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:02:14,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:14,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:14,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:14,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:14,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:02:14,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:14,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:14,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:14,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-13 08:02:14,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:14,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 08:02:14,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:14,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:14,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:14,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 08:02:14,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:14,318 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:14,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1874771275] [2020-10-13 08:02:14,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:14,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:14,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796667634] [2020-10-13 08:02:14,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:14,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:14,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:14,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:14,323 INFO L87 Difference]: Start difference. First operand 441 states and 642 transitions. Second operand 5 states. [2020-10-13 08:02:15,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:15,192 INFO L93 Difference]: Finished difference Result 897 states and 1313 transitions. [2020-10-13 08:02:15,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:15,193 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-10-13 08:02:15,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:15,201 INFO L225 Difference]: With dead ends: 897 [2020-10-13 08:02:15,201 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:15,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:02:15,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:15,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:15,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:15,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 639 transitions. [2020-10-13 08:02:15,219 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 639 transitions. Word has length 149 [2020-10-13 08:02:15,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:15,220 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 639 transitions. [2020-10-13 08:02:15,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:15,220 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 639 transitions. [2020-10-13 08:02:15,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-13 08:02:15,223 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:15,223 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:02:15,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:02:15,224 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:15,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:15,224 INFO L82 PathProgramCache]: Analyzing trace with hash -174942662, now seen corresponding path program 1 times [2020-10-13 08:02:15,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:15,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056542771] [2020-10-13 08:02:15,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:15,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:15,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:15,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:16,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:16,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-13 08:02:16,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:16,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1079 [2020-10-13 08:02:16,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:16,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:16,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-13 08:02:16,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 08:02:16,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:16,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:16,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:16,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:16,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:16,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:16,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:02:16,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:16,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:16,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:16,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:16,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:16,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:16,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:16,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:16,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 08:02:16,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:16,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 08:02:16,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:16,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:16,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:16,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 08:02:16,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:16,600 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:16,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056542771] [2020-10-13 08:02:16,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:16,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:16,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660689332] [2020-10-13 08:02:16,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:16,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:16,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:16,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:16,603 INFO L87 Difference]: Start difference. First operand 441 states and 639 transitions. Second operand 5 states. [2020-10-13 08:02:17,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:17,452 INFO L93 Difference]: Finished difference Result 899 states and 1309 transitions. [2020-10-13 08:02:17,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:17,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-10-13 08:02:17,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:17,457 INFO L225 Difference]: With dead ends: 899 [2020-10-13 08:02:17,457 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:17,459 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 08:02:17,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:17,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:17,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:17,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 636 transitions. [2020-10-13 08:02:17,475 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 636 transitions. Word has length 157 [2020-10-13 08:02:17,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:17,476 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 636 transitions. [2020-10-13 08:02:17,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:17,476 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 636 transitions. [2020-10-13 08:02:17,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-13 08:02:17,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:17,479 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:02:17,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:02:17,479 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:17,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:17,479 INFO L82 PathProgramCache]: Analyzing trace with hash -403350922, now seen corresponding path program 1 times [2020-10-13 08:02:17,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:17,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [854706184] [2020-10-13 08:02:17,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:17,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:17,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:18,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:18,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:18,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-13 08:02:18,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:18,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1185 [2020-10-13 08:02:18,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:18,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:18,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-13 08:02:18,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 08:02:18,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:18,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:18,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:18,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:18,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:18,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:18,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:02:18,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:18,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:18,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:18,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:18,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:18,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:18,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:18,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:18,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 08:02:18,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:18,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-13 08:02:18,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:18,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:18,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:18,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-13 08:02:18,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:18,992 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:18,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [854706184] [2020-10-13 08:02:18,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:18,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:18,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845325046] [2020-10-13 08:02:18,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:18,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:18,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:18,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:18,995 INFO L87 Difference]: Start difference. First operand 441 states and 636 transitions. Second operand 5 states. [2020-10-13 08:02:19,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:19,855 INFO L93 Difference]: Finished difference Result 901 states and 1305 transitions. [2020-10-13 08:02:19,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:19,857 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 171 [2020-10-13 08:02:19,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:19,860 INFO L225 Difference]: With dead ends: 901 [2020-10-13 08:02:19,860 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:19,862 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:02:19,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:19,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:19,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:19,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 633 transitions. [2020-10-13 08:02:19,878 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 633 transitions. Word has length 171 [2020-10-13 08:02:19,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:19,878 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 633 transitions. [2020-10-13 08:02:19,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:19,878 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 633 transitions. [2020-10-13 08:02:19,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 08:02:19,881 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:19,881 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:02:19,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:02:19,881 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:19,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:19,882 INFO L82 PathProgramCache]: Analyzing trace with hash -462815691, now seen corresponding path program 1 times [2020-10-13 08:02:19,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:19,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [373719390] [2020-10-13 08:02:19,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:19,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:20,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:20,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:21,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:21,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-13 08:02:21,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:21,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1581 [2020-10-13 08:02:21,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:21,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:21,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-13 08:02:21,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 08:02:21,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:21,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:21,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:21,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:21,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:21,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:21,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:02:21,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:21,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:21,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:21,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:21,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:21,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:21,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:21,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:21,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:02:21,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:21,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-13 08:02:21,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:21,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:21,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:21,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-13 08:02:21,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:21,794 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:21,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [373719390] [2020-10-13 08:02:21,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:21,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:21,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910004150] [2020-10-13 08:02:21,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:21,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:21,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:21,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:21,797 INFO L87 Difference]: Start difference. First operand 441 states and 633 transitions. Second operand 5 states. [2020-10-13 08:02:22,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:22,905 INFO L93 Difference]: Finished difference Result 904 states and 1302 transitions. [2020-10-13 08:02:22,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:22,906 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 176 [2020-10-13 08:02:22,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:22,909 INFO L225 Difference]: With dead ends: 904 [2020-10-13 08:02:22,910 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:22,912 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 08:02:22,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:22,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:22,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:22,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 630 transitions. [2020-10-13 08:02:22,927 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 630 transitions. Word has length 176 [2020-10-13 08:02:22,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:22,928 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 630 transitions. [2020-10-13 08:02:22,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:22,928 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 630 transitions. [2020-10-13 08:02:22,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-13 08:02:22,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:22,931 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:02:22,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:02:22,931 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:22,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:22,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1182154791, now seen corresponding path program 1 times [2020-10-13 08:02:22,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:22,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351178749] [2020-10-13 08:02:22,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:22,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:23,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:23,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:24,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:24,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-13 08:02:24,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:24,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1223 [2020-10-13 08:02:24,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:24,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:24,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-13 08:02:24,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 08:02:24,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:24,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:24,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:24,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:24,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:24,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:24,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:02:24,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:24,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:24,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:24,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:24,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:24,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:24,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:24,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:24,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 08:02:24,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:24,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-13 08:02:24,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:24,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-13 08:02:24,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:24,513 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:24,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351178749] [2020-10-13 08:02:24,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:24,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:24,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006780459] [2020-10-13 08:02:24,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:24,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:24,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:24,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:24,517 INFO L87 Difference]: Start difference. First operand 441 states and 630 transitions. Second operand 5 states. [2020-10-13 08:02:25,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:25,433 INFO L93 Difference]: Finished difference Result 896 states and 1288 transitions. [2020-10-13 08:02:25,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:25,436 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 178 [2020-10-13 08:02:25,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:25,439 INFO L225 Difference]: With dead ends: 896 [2020-10-13 08:02:25,439 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:25,440 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 08:02:25,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:25,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:25,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:25,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 627 transitions. [2020-10-13 08:02:25,463 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 627 transitions. Word has length 178 [2020-10-13 08:02:25,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:25,463 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 627 transitions. [2020-10-13 08:02:25,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:25,464 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 627 transitions. [2020-10-13 08:02:25,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-13 08:02:25,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:25,467 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:02:25,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:02:25,467 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:25,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:25,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1623626458, now seen corresponding path program 1 times [2020-10-13 08:02:25,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:25,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626201399] [2020-10-13 08:02:25,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:25,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:25,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:26,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:26,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:26,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-13 08:02:26,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:26,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 996 [2020-10-13 08:02:26,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:26,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:26,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-10-13 08:02:26,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 08:02:26,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:26,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:26,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:26,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:26,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:26,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:26,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:02:26,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:26,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:26,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:26,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:26,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:26,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 08:02:26,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:26,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-13 08:02:26,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:26,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:26,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:26,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-13 08:02:26,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:26,835 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:26,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626201399] [2020-10-13 08:02:26,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:26,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:26,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837132771] [2020-10-13 08:02:26,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:26,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:26,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:26,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:26,838 INFO L87 Difference]: Start difference. First operand 441 states and 627 transitions. Second operand 5 states. [2020-10-13 08:02:27,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:27,591 INFO L93 Difference]: Finished difference Result 903 states and 1289 transitions. [2020-10-13 08:02:27,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:27,592 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 195 [2020-10-13 08:02:27,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:27,595 INFO L225 Difference]: With dead ends: 903 [2020-10-13 08:02:27,596 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:27,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:02:27,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:27,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:27,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:27,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 624 transitions. [2020-10-13 08:02:27,612 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 624 transitions. Word has length 195 [2020-10-13 08:02:27,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:27,613 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 624 transitions. [2020-10-13 08:02:27,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:27,613 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 624 transitions. [2020-10-13 08:02:27,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-13 08:02:27,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:27,616 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:02:27,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:02:27,616 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:27,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:27,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1566007781, now seen corresponding path program 1 times [2020-10-13 08:02:27,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:27,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1075584269] [2020-10-13 08:02:27,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:27,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:27,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:27,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:29,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:31,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:31,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-13 08:02:31,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:02:31,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3924 [2020-10-13 08:02:31,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:02:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-13 08:02:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 08:02:31,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:31,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:31,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:31,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:31,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:31,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:31,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:02:31,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:31,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:31,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:31,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:31,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:31,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:31,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:32,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:32,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 08:02:32,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:32,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-13 08:02:32,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:32,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:32,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:32,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-13 08:02:32,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:32,148 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:32,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1075584269] [2020-10-13 08:02:32,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:32,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:02:32,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699418056] [2020-10-13 08:02:32,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:02:32,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:32,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:02:32,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:02:32,152 INFO L87 Difference]: Start difference. First operand 441 states and 624 transitions. Second operand 8 states. [2020-10-13 08:02:33,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:33,162 INFO L93 Difference]: Finished difference Result 907 states and 1287 transitions. [2020-10-13 08:02:33,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:02:33,163 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 200 [2020-10-13 08:02:33,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:33,166 INFO L225 Difference]: With dead ends: 907 [2020-10-13 08:02:33,166 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:33,168 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:02:33,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:33,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:33,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:33,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 619 transitions. [2020-10-13 08:02:33,183 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 619 transitions. Word has length 200 [2020-10-13 08:02:33,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:33,184 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 619 transitions. [2020-10-13 08:02:33,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:02:33,184 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 619 transitions. [2020-10-13 08:02:33,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-13 08:02:33,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:33,188 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:02:33,189 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:02:33,189 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:33,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:33,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1923280338, now seen corresponding path program 1 times [2020-10-13 08:02:33,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:33,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [831869909] [2020-10-13 08:02:33,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:33,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:33,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:33,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:35,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:35,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:35,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-13 08:02:35,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:02:35,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2722 [2020-10-13 08:02:35,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:35,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:35,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-10-13 08:02:35,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 08:02:35,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:36,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:36,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:36,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:36,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:36,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:36,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:02:36,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:36,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:36,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:36,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:36,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:36,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:36,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:36,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:36,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 08:02:36,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:36,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-13 08:02:36,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:36,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:36,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:36,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-13 08:02:36,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:36,344 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:36,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [831869909] [2020-10-13 08:02:36,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:36,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:36,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430497734] [2020-10-13 08:02:36,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:36,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:36,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:36,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:36,347 INFO L87 Difference]: Start difference. First operand 441 states and 619 transitions. Second operand 5 states. [2020-10-13 08:02:37,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:37,160 INFO L93 Difference]: Finished difference Result 893 states and 1261 transitions. [2020-10-13 08:02:37,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:37,161 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 201 [2020-10-13 08:02:37,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:37,164 INFO L225 Difference]: With dead ends: 893 [2020-10-13 08:02:37,164 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:37,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:02:37,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:37,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:37,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:37,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 615 transitions. [2020-10-13 08:02:37,180 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 615 transitions. Word has length 201 [2020-10-13 08:02:37,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:37,181 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 615 transitions. [2020-10-13 08:02:37,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:37,181 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 615 transitions. [2020-10-13 08:02:37,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 08:02:37,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:37,184 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 08:02:37,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:02:37,185 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:37,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:37,185 INFO L82 PathProgramCache]: Analyzing trace with hash -198273187, now seen corresponding path program 1 times [2020-10-13 08:02:37,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:37,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1435281749] [2020-10-13 08:02:37,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:37,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:37,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:37,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:38,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:38,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:39,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:39,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-13 08:02:39,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:02:39,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2502 [2020-10-13 08:02:39,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:39,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:39,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-13 08:02:39,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 08:02:39,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:39,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:39,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:39,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:39,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:39,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:39,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:02:39,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:39,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:39,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:39,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:39,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:39,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:39,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:39,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:39,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:02:39,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:39,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 08:02:39,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:39,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:39,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:39,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:39,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:02:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:39,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:39,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:39,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:02:39,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:39,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 08:02:39,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:39,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:39,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:39,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:02:39,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:39,954 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:02:39,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1435281749] [2020-10-13 08:02:39,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:39,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:39,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123816548] [2020-10-13 08:02:39,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:39,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:39,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:39,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:39,956 INFO L87 Difference]: Start difference. First operand 441 states and 615 transitions. Second operand 5 states. [2020-10-13 08:02:40,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:40,750 INFO L93 Difference]: Finished difference Result 891 states and 1250 transitions. [2020-10-13 08:02:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:40,750 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 204 [2020-10-13 08:02:40,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:40,753 INFO L225 Difference]: With dead ends: 891 [2020-10-13 08:02:40,754 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:40,755 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 08:02:40,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:40,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:40,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:40,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 613 transitions. [2020-10-13 08:02:40,769 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 613 transitions. Word has length 204 [2020-10-13 08:02:40,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:40,769 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 613 transitions. [2020-10-13 08:02:40,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:40,770 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 613 transitions. [2020-10-13 08:02:40,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-13 08:02:40,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:40,772 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 08:02:40,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:02:40,772 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:40,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:40,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1724930246, now seen corresponding path program 1 times [2020-10-13 08:02:40,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:40,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327730883] [2020-10-13 08:02:40,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:40,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:40,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:41,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:41,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:42,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:43,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:43,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-13 08:02:43,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:02:43,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2787 [2020-10-13 08:02:43,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:43,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:43,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 204 [2020-10-13 08:02:43,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:02:43,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:43,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:43,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:43,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:43,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:43,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:43,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:02:43,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:43,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:43,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:43,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:43,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:43,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:43,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:43,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:43,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:02:43,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:43,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:02:43,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:43,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:43,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:43,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:43,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:02:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:43,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:43,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:43,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 08:02:43,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:43,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-13 08:02:43,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:43,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:43,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:43,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-13 08:02:43,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:43,911 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:02:43,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327730883] [2020-10-13 08:02:43,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:43,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:43,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341768592] [2020-10-13 08:02:43,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:43,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:43,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:43,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:43,914 INFO L87 Difference]: Start difference. First operand 441 states and 613 transitions. Second operand 5 states. [2020-10-13 08:02:44,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:44,661 INFO L93 Difference]: Finished difference Result 895 states and 1250 transitions. [2020-10-13 08:02:44,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:44,664 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 251 [2020-10-13 08:02:44,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:44,668 INFO L225 Difference]: With dead ends: 895 [2020-10-13 08:02:44,668 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:44,674 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 08:02:44,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:44,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:44,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:44,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 611 transitions. [2020-10-13 08:02:44,694 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 611 transitions. Word has length 251 [2020-10-13 08:02:44,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:44,695 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 611 transitions. [2020-10-13 08:02:44,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:44,695 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 611 transitions. [2020-10-13 08:02:44,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-13 08:02:44,697 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:44,697 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 08:02:44,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:02:44,698 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:44,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:44,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1714340950, now seen corresponding path program 1 times [2020-10-13 08:02:44,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:44,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [244917561] [2020-10-13 08:02:44,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:44,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:44,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:44,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:46,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:47,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:47,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-13 08:02:47,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:02:47,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2321 [2020-10-13 08:02:47,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:47,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:47,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 206 [2020-10-13 08:02:47,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 08:02:47,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:47,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:47,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:47,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:47,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:47,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:47,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:02:47,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:47,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:47,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:47,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:47,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:47,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:47,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:47,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:47,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:02:47,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:47,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 08:02:47,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:47,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:47,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:02:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:47,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:47,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:47,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-13 08:02:47,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:47,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-13 08:02:47,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:47,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:47,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:47,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 08:02:47,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:47,343 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:02:47,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [244917561] [2020-10-13 08:02:47,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:47,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:47,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153585490] [2020-10-13 08:02:47,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:47,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:47,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:47,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:47,345 INFO L87 Difference]: Start difference. First operand 441 states and 611 transitions. Second operand 5 states. [2020-10-13 08:02:48,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:48,159 INFO L93 Difference]: Finished difference Result 900 states and 1251 transitions. [2020-10-13 08:02:48,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:48,160 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 253 [2020-10-13 08:02:48,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:48,162 INFO L225 Difference]: With dead ends: 900 [2020-10-13 08:02:48,163 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:48,164 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 08:02:48,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:48,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:48,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:48,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 609 transitions. [2020-10-13 08:02:48,177 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 609 transitions. Word has length 253 [2020-10-13 08:02:48,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:48,178 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 609 transitions. [2020-10-13 08:02:48,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:48,178 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 609 transitions. [2020-10-13 08:02:48,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-10-13 08:02:48,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:48,180 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 08:02:48,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 08:02:48,181 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:48,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:48,181 INFO L82 PathProgramCache]: Analyzing trace with hash 189565445, now seen corresponding path program 1 times [2020-10-13 08:02:48,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:48,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [451989395] [2020-10-13 08:02:48,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:48,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:48,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:48,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:48,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:49,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:51,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:51,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-13 08:02:51,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:02:51,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2948 [2020-10-13 08:02:51,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:51,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:51,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 209 [2020-10-13 08:02:51,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:02:51,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:51,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:51,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:51,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:51,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:51,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:51,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:02:51,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:51,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:51,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:51,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:51,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:51,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:51,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:51,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:51,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:02:51,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:51,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 08:02:51,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:51,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:51,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:51,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:51,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:51,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:02:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:51,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:51,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:51,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-13 08:02:51,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:51,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-13 08:02:51,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:51,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:51,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:51,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-13 08:02:51,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:51,436 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:02:51,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [451989395] [2020-10-13 08:02:51,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:51,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:51,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808547550] [2020-10-13 08:02:51,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:51,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:51,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:51,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:51,438 INFO L87 Difference]: Start difference. First operand 441 states and 609 transitions. Second operand 5 states. [2020-10-13 08:02:52,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:52,184 INFO L93 Difference]: Finished difference Result 894 states and 1241 transitions. [2020-10-13 08:02:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:52,184 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 256 [2020-10-13 08:02:52,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:52,186 INFO L225 Difference]: With dead ends: 894 [2020-10-13 08:02:52,186 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:52,188 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 08:02:52,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:52,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:52,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:52,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 607 transitions. [2020-10-13 08:02:52,200 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 607 transitions. Word has length 256 [2020-10-13 08:02:52,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:52,200 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 607 transitions. [2020-10-13 08:02:52,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:52,201 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 607 transitions. [2020-10-13 08:02:52,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-10-13 08:02:52,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:52,203 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 08:02:52,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 08:02:52,203 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:52,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:52,204 INFO L82 PathProgramCache]: Analyzing trace with hash 508594546, now seen corresponding path program 1 times [2020-10-13 08:02:52,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:52,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1360480899] [2020-10-13 08:02:52,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:52,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:52,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:52,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:52,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:53,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:55,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:55,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-13 08:02:55,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:02:55,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3134 [2020-10-13 08:02:55,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:55,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:55,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 210 [2020-10-13 08:02:55,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 08:02:55,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:55,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:55,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:55,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:55,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:55,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:55,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:02:55,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:55,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:55,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:55,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:55,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:55,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:55,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:55,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:55,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:02:55,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:55,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 08:02:55,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:55,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:55,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:55,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:55,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:55,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:02:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:55,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:55,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:55,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-13 08:02:55,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:55,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-13 08:02:55,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:55,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:55,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:55,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-13 08:02:55,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:55,664 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:02:55,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1360480899] [2020-10-13 08:02:55,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:55,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:55,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475821868] [2020-10-13 08:02:55,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:55,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:55,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:55,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:55,666 INFO L87 Difference]: Start difference. First operand 441 states and 607 transitions. Second operand 5 states. [2020-10-13 08:02:56,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:56,432 INFO L93 Difference]: Finished difference Result 745 states and 1022 transitions. [2020-10-13 08:02:56,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:56,434 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 257 [2020-10-13 08:02:56,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:56,434 INFO L225 Difference]: With dead ends: 745 [2020-10-13 08:02:56,435 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:02:56,437 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 08:02:56,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:02:56,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:02:56,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:02:56,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:02:56,438 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 257 [2020-10-13 08:02:56,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:56,438 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:02:56,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:56,438 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:02:56,438 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:02:56,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 08:02:56,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:02:56,692 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 93 [2020-10-13 08:02:56,822 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 93 [2020-10-13 08:02:57,947 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 217 DAG size of output: 147 [2020-10-13 08:02:58,401 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-13 08:02:58,860 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-13 08:02:58,865 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:02:58,865 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 08:02:58,866 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:02:58,866 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-13 08:02:58,866 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,866 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,866 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,866 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,867 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,867 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,867 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-13 08:02:58,867 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-13 08:02:58,867 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:02:58,867 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:02:58,867 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:02:58,867 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:02:58,868 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:02:58,868 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:02:58,868 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-13 08:02:58,868 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-13 08:02:58,868 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-13 08:02:58,868 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,868 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,868 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,869 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,869 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,869 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-13 08:02:58,869 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-13 08:02:58,869 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-13 08:02:58,869 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-13 08:02:58,869 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:02:58,869 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:02:58,869 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:02:58,870 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:02:58,870 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:02:58,870 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-13 08:02:58,870 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-13 08:02:58,870 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-13 08:02:58,870 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-13 08:02:58,870 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 163) no Hoare annotation was computed. [2020-10-13 08:02:58,870 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-13 08:02:58,870 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,870 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,870 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,870 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,870 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,871 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-13 08:02:58,871 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:02:58,871 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:02:58,871 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:02:58,871 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:02:58,871 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:02:58,871 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-13 08:02:58,872 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-13 08:02:58,872 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-13 08:02:58,872 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-13 08:02:58,872 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,872 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,872 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,872 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,872 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,873 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-13 08:02:58,873 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-13 08:02:58,873 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-13 08:02:58,873 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:02:58,873 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:02:58,873 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:02:58,873 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:02:58,873 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:02:58,874 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-13 08:02:58,874 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-13 08:02:58,874 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-13 08:02:58,874 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-13 08:02:58,874 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-13 08:02:58,874 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,874 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,874 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,875 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,875 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,875 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:02:58,875 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:02:58,875 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:02:58,875 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:02:58,875 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:02:58,875 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-13 08:02:58,875 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-13 08:02:58,876 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-13 08:02:58,876 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-13 08:02:58,876 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,876 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,876 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,876 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,876 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,876 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,876 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,877 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-13 08:02:58,877 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-13 08:02:58,877 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-13 08:02:58,877 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-13 08:02:58,877 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:02:58,877 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:02:58,877 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:02:58,877 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:02:58,877 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:02:58,878 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-13 08:02:58,878 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-13 08:02:58,878 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-13 08:02:58,878 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-13 08:02:58,878 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,878 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,878 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,878 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,878 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:02:58,878 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,878 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,879 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-13 08:02:58,879 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-13 08:02:58,879 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-13 08:02:58,879 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:02:58,879 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:02:58,879 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:02:58,879 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:02:58,879 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:02:58,879 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:02:58,879 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-13 08:02:58,879 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-13 08:02:58,879 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-13 08:02:58,879 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-13 08:02:58,880 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,880 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,880 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,880 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,880 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,880 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,880 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-13 08:02:58,880 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-13 08:02:58,880 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-13 08:02:58,880 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:02:58,881 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:02:58,881 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:02:58,881 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:02:58,881 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:02:58,881 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:02:58,881 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-13 08:02:58,881 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-13 08:02:58,882 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse19 (= ~a1~0 |old(~a1~0)|)) (.cse20 (= ~a10~0 |old(~a10~0)|))) (let ((.cse7 (not (<= 1 |old(~a10~0)|))) (.cse8 (not (<= |old(~a10~0)| 1))) (.cse9 (not (<= |old(~a1~0)| 33))) (.cse10 (not (<= 0 (+ |old(~a1~0)| 12)))) (.cse5 (not (<= |old(~a19~0)| 7))) (.cse6 (not (<= 7 |old(~a19~0)|))) (.cse11 (not (<= |old(~a19~0)| 8))) (.cse12 (not (<= 8 |old(~a19~0)|))) (.cse14 (not (<= 2 |old(~a10~0)|))) (.cse15 (not (<= |old(~a10~0)| 2))) (.cse13 (and (<= 8 ~a19~0) (<= ~a19~0 8) .cse19 .cse20)) (.cse16 (not (= 2 |old(~a10~0)|))) (.cse0 (and .cse19 (= ~a19~0 |old(~a19~0)|) .cse20)) (.cse2 (not (= 0 |old(~a10~0)|))) (.cse3 (not (= 8 |old(~a19~0)|))) (.cse17 (not (= 6 |old(~a19~0)|))) (.cse18 (and .cse19 (= ~a19~0 6) .cse20)) (.cse1 (not (= 14 ~a4~0))) (.cse4 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= |old(~a1~0)| 78)) (not (<= 41 |old(~a1~0)|)) .cse4) (or .cse5 .cse6 (not (<= 221 |old(~a1~0)|)) .cse0 .cse1 .cse7 .cse8 .cse4) (or (not (<= 331498 |old(~a1~0)|)) .cse0 (not (= |old(~a10~0)| 1)) .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse1 .cse9 .cse10 .cse7 .cse8 .cse4) (or (not (<= |old(~a10~0)| 4)) .cse11 (not (<= 4 |old(~a10~0)|)) .cse12 .cse1 .cse13 .cse4) (or .cse11 (not (<= |old(~a1~0)| 36)) .cse12 .cse14 .cse15 .cse1 .cse13 .cse10 .cse4) (or (not (<= (+ |old(~a1~0)| 437977) 0)) .cse0 .cse1 .cse16 .cse3 .cse4) (or (not (= 3 |old(~a10~0)|)) .cse17 .cse1 .cse9 .cse18 .cse10 .cse4) (or (not (<= 117 |old(~a1~0)|)) .cse5 .cse6 (not (<= |old(~a1~0)| 206)) .cse0 .cse14 .cse15 .cse1 .cse4) (or (not (<= 9 |old(~a19~0)|)) .cse0) (or (not (<= 592098 |old(~a1~0)|)) .cse11 .cse12 .cse14 .cse15 .cse1 .cse13 .cse4) (or .cse0 (not (<= |old(~a1~0)| 5)) .cse1 .cse16 (not (<= 0 |old(~a1~0)|)) (not (= 7 |old(~a19~0)|)) .cse4) (or .cse0 (not (<= 219 |old(~a1~0)|)) .cse1 .cse2 .cse3 .cse4) (or .cse17 (not (<= (+ |old(~a1~0)| 333899) 0)) .cse1 .cse18 (not (= 4 |old(~a10~0)|)) .cse4) (or (not (<= (+ |old(~a1~0)| 551894) 0)) (not (<= |old(~a10~0)| 0)) (not (<= 6 |old(~a19~0)|)) .cse1 (not (<= |old(~a19~0)| 6)) (and (<= 6 ~a19~0) .cse19 (<= ~a19~0 6) .cse20) (not (<= 0 |old(~a10~0)|)) .cse4)))) [2020-10-13 08:02:58,882 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-13 08:02:58,882 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-13 08:02:58,882 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-13 08:02:58,882 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,882 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,882 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,883 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,883 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,883 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,883 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-13 08:02:58,883 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:02:58,883 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:02:58,883 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:02:58,883 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:02:58,883 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:02:58,883 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:02:58,884 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-13 08:02:58,884 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-13 08:02:58,884 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-13 08:02:58,884 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-13 08:02:58,884 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-13 08:02:58,884 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-13 08:02:58,884 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,884 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,884 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,884 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,885 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,885 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,885 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-13 08:02:58,885 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-13 08:02:58,885 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-13 08:02:58,885 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:02:58,885 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:02:58,885 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:02:58,885 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:02:58,885 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:02:58,885 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:02:58,886 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-13 08:02:58,886 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-13 08:02:58,886 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-13 08:02:58,886 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,886 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,886 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,886 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,886 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,886 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:02:58,886 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-13 08:02:58,887 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-13 08:02:58,887 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-13 08:02:58,887 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:02:58,887 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:02:58,887 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:02:58,887 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:02:58,887 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:02:58,887 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:02:58,887 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-13 08:02:58,887 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-13 08:02:58,888 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-13 08:02:58,888 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:02:58,888 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~a19~0 9) [2020-10-13 08:02:58,888 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:02:58,888 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:02:58,888 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)|))) [2020-10-13 08:02:58,888 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:02:58,889 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (= ~a19~0 8)) (.cse13 (= ~a10~0 0)) (.cse5 (<= ~a19~0 7)) (.cse6 (<= 7 ~a19~0)) (.cse8 (<= 1 ~a10~0)) (.cse9 (<= ~a10~0 1)) (.cse7 (<= ~a1~0 33)) (.cse12 (= ~a19~0 6)) (.cse4 (<= 0 (+ ~a1~0 12))) (.cse3 (= ~a10~0 2)) (.cse14 (<= 8 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse10 (<= ~a10~0 2)) (.cse1 (= ~a12~0 0)) (.cse11 (<= 2 ~a10~0))) (or (and (<= ~a10~0 0) (<= 0 ~a10~0) (<= 6 ~a19~0) .cse0 (<= (+ ~a1~0 551894) 0) .cse1 (<= ~a19~0 6)) (and .cse2 .cse0 .cse3 .cse1 (<= (+ ~a1~0 437977) 0)) (and .cse4 .cse5 .cse0 .cse6 .cse7 .cse8 .cse1 .cse9) (and .cse5 .cse0 .cse6 .cse10 .cse1 (<= 117 ~a1~0) .cse11 (<= ~a1~0 206)) (and .cse2 (<= 331498 ~a1~0) (= ~a10~0 1) .cse0 .cse1) (and (<= (+ ~a1~0 333899) 0) .cse0 .cse1 .cse12 (= ~a10~0 4)) (and .cse2 .cse0 .cse13 .cse1 (<= 219 ~a1~0)) (and .cse2 (<= 41 ~a1~0) .cse0 .cse13 .cse1 (<= ~a1~0 78)) (and .cse5 .cse0 .cse6 .cse8 .cse1 .cse9 (<= 221 ~a1~0)) (<= 9 ~a19~0) (and .cse14 .cse0 (<= 4 ~a10~0) (<= ~a10~0 4) .cse1) (not (= 9 |old(~a19~0)|)) (and .cse4 (= ~a10~0 3) .cse0 .cse7 .cse1 .cse12) (and .cse4 (<= ~a1~0 36) .cse14 .cse0 .cse10 .cse1 .cse11) (and (= 7 ~a19~0) .cse0 (<= 0 ~a1~0) .cse3 .cse1 (<= ~a1~0 5)) (and .cse14 .cse0 .cse10 .cse1 (<= 592098 ~a1~0) .cse11))) [2020-10-13 08:02:58,889 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-13 08:02:58,889 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-13 08:02:58,889 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse2 (= ~a19~0 8)) (.cse13 (= ~a10~0 0)) (.cse5 (<= ~a19~0 7)) (.cse6 (<= 7 ~a19~0)) (.cse8 (<= 1 ~a10~0)) (.cse9 (<= ~a10~0 1)) (.cse7 (<= ~a1~0 33)) (.cse12 (= ~a19~0 6)) (.cse4 (<= 0 (+ ~a1~0 12))) (.cse3 (= ~a10~0 2)) (.cse14 (<= 8 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse10 (<= ~a10~0 2)) (.cse1 (= ~a12~0 0)) (.cse11 (<= 2 ~a10~0))) (or (and (<= ~a10~0 0) (<= 0 ~a10~0) (<= 6 ~a19~0) .cse0 (<= (+ ~a1~0 551894) 0) .cse1 (<= ~a19~0 6)) (and .cse2 .cse0 .cse3 .cse1 (<= (+ ~a1~0 437977) 0)) (and .cse4 .cse5 .cse0 .cse6 .cse7 .cse8 .cse1 .cse9) (and .cse5 .cse0 .cse6 .cse10 .cse1 (<= 117 ~a1~0) .cse11 (<= ~a1~0 206)) (and .cse2 (<= 331498 ~a1~0) (= ~a10~0 1) .cse0 .cse1) (and (<= (+ ~a1~0 333899) 0) .cse0 .cse1 .cse12 (= ~a10~0 4)) (and .cse2 .cse0 .cse13 .cse1 (<= 219 ~a1~0)) (and .cse2 (<= 41 ~a1~0) .cse0 .cse13 .cse1 (<= ~a1~0 78)) (and .cse5 .cse0 .cse6 .cse8 .cse1 .cse9 (<= 221 ~a1~0)) (<= 9 ~a19~0) (and .cse14 .cse0 (<= 4 ~a10~0) (<= ~a10~0 4) .cse1) (not (= 9 |old(~a19~0)|)) (and .cse4 (= ~a10~0 3) .cse0 .cse7 .cse1 .cse12) (and .cse4 (<= ~a1~0 36) .cse14 .cse0 .cse10 .cse1 .cse11) (and (= 7 ~a19~0) .cse0 (<= 0 ~a1~0) .cse3 .cse1 (<= ~a1~0 5)) (and .cse14 .cse0 .cse10 .cse1 (<= 592098 ~a1~0) .cse11))) [2020-10-13 08:02:58,889 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:02:58,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:02:58 BoogieIcfgContainer [2020-10-13 08:02:58,917 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:02:58,919 INFO L168 Benchmark]: Toolchain (without parser) took 56300.82 ms. Allocated memory was 146.8 MB in the beginning and 993.0 MB in the end (delta: 846.2 MB). Free memory was 101.5 MB in the beginning and 463.7 MB in the end (delta: -362.3 MB). Peak memory consumption was 483.9 MB. Max. memory is 7.1 GB. [2020-10-13 08:02:58,920 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-13 08:02:58,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.96 ms. Allocated memory was 146.8 MB in the beginning and 205.5 MB in the end (delta: 58.7 MB). Free memory was 101.0 MB in the beginning and 171.6 MB in the end (delta: -70.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2020-10-13 08:02:58,921 INFO L168 Benchmark]: Boogie Preprocessor took 152.16 ms. Allocated memory is still 205.5 MB. Free memory was 171.6 MB in the beginning and 166.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-10-13 08:02:58,922 INFO L168 Benchmark]: RCFGBuilder took 1584.24 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 166.5 MB in the beginning and 182.5 MB in the end (delta: -16.0 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-10-13 08:02:58,923 INFO L168 Benchmark]: TraceAbstraction took 53788.92 ms. Allocated memory was 238.6 MB in the beginning and 993.0 MB in the end (delta: 754.5 MB). Free memory was 180.7 MB in the beginning and 463.7 MB in the end (delta: -283.0 MB). Peak memory consumption was 471.4 MB. Max. memory is 7.1 GB. [2020-10-13 08:02:58,926 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 146.8 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 767.96 ms. Allocated memory was 146.8 MB in the beginning and 205.5 MB in the end (delta: 58.7 MB). Free memory was 101.0 MB in the beginning and 171.6 MB in the end (delta: -70.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 152.16 ms. Allocated memory is still 205.5 MB. Free memory was 171.6 MB in the beginning and 166.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1584.24 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 166.5 MB in the beginning and 182.5 MB in the end (delta: -16.0 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 53788.92 ms. Allocated memory was 238.6 MB in the beginning and 993.0 MB in the end (delta: 754.5 MB). Free memory was 180.7 MB in the beginning and 463.7 MB in the end (delta: -283.0 MB). Peak memory consumption was 471.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 163]: 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: ((((((((((((((((((((a10 <= 0 && 0 <= a10) && 6 <= a19) && 14 == a4) && a1 + 551894 <= 0) && a12 == 0) && a19 <= 6) || ((((a19 == 8 && 14 == a4) && a10 == 2) && a12 == 0) && a1 + 437977 <= 0)) || (((((((0 <= a1 + 12 && a19 <= 7) && 14 == a4) && 7 <= a19) && a1 <= 33) && 1 <= a10) && a12 == 0) && a10 <= 1)) || (((((((a19 <= 7 && 14 == a4) && 7 <= a19) && a10 <= 2) && a12 == 0) && 117 <= a1) && 2 <= a10) && a1 <= 206)) || ((((a19 == 8 && 331498 <= a1) && a10 == 1) && 14 == a4) && a12 == 0)) || ((((a1 + 333899 <= 0 && 14 == a4) && a12 == 0) && a19 == 6) && a10 == 4)) || ((((a19 == 8 && 14 == a4) && a10 == 0) && a12 == 0) && 219 <= a1)) || (((((a19 == 8 && 41 <= a1) && 14 == a4) && a10 == 0) && a12 == 0) && a1 <= 78)) || ((((((a19 <= 7 && 14 == a4) && 7 <= a19) && 1 <= a10) && a12 == 0) && a10 <= 1) && 221 <= a1)) || 9 <= a19) || ((((8 <= a19 && 14 == a4) && 4 <= a10) && a10 <= 4) && a12 == 0)) || !(9 == \old(a19))) || (((((0 <= a1 + 12 && a10 == 3) && 14 == a4) && a1 <= 33) && a12 == 0) && a19 == 6)) || ((((((0 <= a1 + 12 && a1 <= 36) && 8 <= a19) && 14 == a4) && a10 <= 2) && a12 == 0) && 2 <= a10)) || (((((7 == a19 && 14 == a4) && 0 <= a1) && a10 == 2) && a12 == 0) && a1 <= 5)) || (((((8 <= a19 && 14 == a4) && a10 <= 2) && a12 == 0) && 592098 <= a1) && 2 <= a10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 51.2s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 15.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 384 SDtfs, 3408 SDslu, 299 SDs, 0 SdLazy, 9218 SolverSat, 523 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 189 GetRequests, 108 SyntacticMatches, 10 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=441occurred in iteration=1, 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, 16 MinimizatonAttempts, 90 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 70 PreInvPairs, 106 NumberOfFragments, 1184 HoareAnnotationTreeSize, 70 FomulaSimplifications, 4521914 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 771 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 34.0s InterpolantComputationTime, 2986 NumberOfCodeBlocks, 2986 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2970 ConstructedInterpolants, 0 QuantifiedInterpolants, 1634211 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 1 PerfectInterpolantSequences, 1380/1400 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...