/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:54:12,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:54:12,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:54:12,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:54:12,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:54:12,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:54:12,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:54:12,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:54:12,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:54:12,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:54:12,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:54:12,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:54:12,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:54:12,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:54:12,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:54:12,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:54:12,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:54:12,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:54:12,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:54:12,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:54:12,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:54:12,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:54:12,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:54:12,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:54:12,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:54:12,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:54:12,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:54:12,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:54:12,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:54:12,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:54:12,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:54:12,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:54:12,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:54:12,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:54:12,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:54:12,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:54:12,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:54:12,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:54:12,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:54:12,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:54:12,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:54:12,323 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 [2020-10-14 20:54:12,347 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:54:12,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:54:12,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:54:12,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:54:12,349 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:54:12,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:54:12,349 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:54:12,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:54:12,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:54:12,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:54:12,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:54:12,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:54:12,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:54:12,351 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:54:12,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:54:12,352 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:54:12,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:54:12,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:54:12,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:54:12,353 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:54:12,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:54:12,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:54:12,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:54:12,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:54:12,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:54:12,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:54:12,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:54:12,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:54:12,355 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:54:12,356 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 20:54:12,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:54:12,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:54:12,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:54:12,667 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:54:12,667 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:54:12,668 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label49.c [2020-10-14 20:54:12,737 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9521454f6/aa626a7769be4bf685c59850ecec4d64/FLAGcf383275a [2020-10-14 20:54:13,334 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:54:13,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label49.c [2020-10-14 20:54:13,347 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9521454f6/aa626a7769be4bf685c59850ecec4d64/FLAGcf383275a [2020-10-14 20:54:13,533 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9521454f6/aa626a7769be4bf685c59850ecec4d64 [2020-10-14 20:54:13,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:54:13,544 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:54:13,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:54:13,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:54:13,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:54:13,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:54:13" (1/1) ... [2020-10-14 20:54:13,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad6a6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:13, skipping insertion in model container [2020-10-14 20:54:13,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:54:13" (1/1) ... [2020-10-14 20:54:13,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:54:13,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:54:14,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:54:14,141 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:54:14,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:54:14,288 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:54:14,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:14 WrapperNode [2020-10-14 20:54:14,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:54:14,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:54:14,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:54:14,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:54:14,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:14" (1/1) ... [2020-10-14 20:54:14,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:14" (1/1) ... [2020-10-14 20:54:14,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:14" (1/1) ... [2020-10-14 20:54:14,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:14" (1/1) ... [2020-10-14 20:54:14,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:14" (1/1) ... [2020-10-14 20:54:14,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:14" (1/1) ... [2020-10-14 20:54:14,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:14" (1/1) ... [2020-10-14 20:54:14,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:54:14,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:54:14,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:54:14,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:54:14,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:14" (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 [2020-10-14 20:54:14,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:54:14,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:54:14,507 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:54:14,508 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:54:14,509 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:54:14,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:54:14,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:54:14,511 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:54:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:54:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:54:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:54:15,812 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:54:15,812 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:54:15,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:54:15 BoogieIcfgContainer [2020-10-14 20:54:15,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:54:15,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:54:15,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:54:15,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:54:15,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:54:13" (1/3) ... [2020-10-14 20:54:15,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3947fc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:54:15, skipping insertion in model container [2020-10-14 20:54:15,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:14" (2/3) ... [2020-10-14 20:54:15,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3947fc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:54:15, skipping insertion in model container [2020-10-14 20:54:15,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:54:15" (3/3) ... [2020-10-14 20:54:15,830 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label49.c [2020-10-14 20:54:15,843 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:54:15,853 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:54:15,871 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:54:15,904 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:54:15,904 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:54:15,904 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:54:15,905 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:54:15,905 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:54:15,905 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:54:15,905 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:54:15,906 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:54:15,934 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 20:54:15,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-14 20:54:15,942 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:15,944 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] [2020-10-14 20:54:15,945 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:15,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:15,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1605828193, now seen corresponding path program 1 times [2020-10-14 20:54:15,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:15,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1263718191] [2020-10-14 20:54:15,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:16,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:16,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:16,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 20:54:16,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:16,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 426 [2020-10-14 20:54:16,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:16,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:16,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:54:16,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:54:16,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 20:54:16,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 20:54:16,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:16,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:16,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:16,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:16,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:16,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 20:54:16,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:16,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:16,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:16,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:16,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:54:16,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:16,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:54:16,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1263718191] [2020-10-14 20:54:16,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:54:16,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 20:54:16,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091880825] [2020-10-14 20:54:16,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 20:54:16,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:16,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 20:54:16,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 20:54:16,747 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-14 20:54:18,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:18,218 INFO L93 Difference]: Finished difference Result 581 states and 1007 transitions. [2020-10-14 20:54:18,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:54:18,220 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-14 20:54:18,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:18,237 INFO L225 Difference]: With dead ends: 581 [2020-10-14 20:54:18,237 INFO L226 Difference]: Without dead ends: 302 [2020-10-14 20:54:18,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:54:18,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-14 20:54:18,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-14 20:54:18,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-14 20:54:18,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2020-10-14 20:54:18,323 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 28 [2020-10-14 20:54:18,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:18,323 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2020-10-14 20:54:18,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 20:54:18,324 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2020-10-14 20:54:18,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-14 20:54:18,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:18,329 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:18,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:54:18,330 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:18,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:18,330 INFO L82 PathProgramCache]: Analyzing trace with hash -351220503, now seen corresponding path program 1 times [2020-10-14 20:54:18,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:18,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1720170920] [2020-10-14 20:54:18,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:18,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:18,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:19,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:19,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:19,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 20:54:19,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:54:19,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1215 [2020-10-14 20:54:19,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:19,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:19,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:54:19,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:54:19,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 20:54:19,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:54:19,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:19,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:19,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:19,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:19,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:19,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 20:54:19,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:19,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:19,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:19,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:19,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:54:19,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:19,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:19,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:19,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:19,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:54:19,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:19,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-14 20:54:19,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:19,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:19,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:19,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:19,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:54:19,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:19,947 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:54:19,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1720170920] [2020-10-14 20:54:19,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:54:19,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:54:19,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487754861] [2020-10-14 20:54:19,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:19,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:19,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:19,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:19,951 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 7 states. [2020-10-14 20:54:21,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:21,523 INFO L93 Difference]: Finished difference Result 773 states and 1227 transitions. [2020-10-14 20:54:21,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:54:21,526 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 101 [2020-10-14 20:54:21,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:21,532 INFO L225 Difference]: With dead ends: 773 [2020-10-14 20:54:21,532 INFO L226 Difference]: Without dead ends: 483 [2020-10-14 20:54:21,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:54:21,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-10-14 20:54:21,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 447. [2020-10-14 20:54:21,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2020-10-14 20:54:21,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 656 transitions. [2020-10-14 20:54:21,591 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 656 transitions. Word has length 101 [2020-10-14 20:54:21,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:21,591 INFO L479 AbstractCegarLoop]: Abstraction has 447 states and 656 transitions. [2020-10-14 20:54:21,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:21,592 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 656 transitions. [2020-10-14 20:54:21,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-14 20:54:21,595 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:21,595 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:21,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:54:21,596 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:21,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:21,596 INFO L82 PathProgramCache]: Analyzing trace with hash 788107453, now seen corresponding path program 1 times [2020-10-14 20:54:21,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:21,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [444242116] [2020-10-14 20:54:21,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:21,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:21,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:21,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:21,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:54:21,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:21,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 348 [2020-10-14 20:54:21,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:21,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:21,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:21,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:54:21,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 20:54:21,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:22,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:22,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:22,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:22,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:22,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:22,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:54:22,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:22,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:22,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:22,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:22,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:22,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:22,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:22,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:22,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:22,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:54:22,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:22,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-14 20:54:22,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:22,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:22,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:22,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:54:22,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:22,188 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:54:22,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [444242116] [2020-10-14 20:54:22,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:22,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:54:22,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655448939] [2020-10-14 20:54:22,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:54:22,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:22,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:54:22,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:54:22,191 INFO L87 Difference]: Start difference. First operand 447 states and 656 transitions. Second operand 5 states. [2020-10-14 20:54:23,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:23,303 INFO L93 Difference]: Finished difference Result 1190 states and 1776 transitions. [2020-10-14 20:54:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:54:23,304 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-10-14 20:54:23,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:23,309 INFO L225 Difference]: With dead ends: 1190 [2020-10-14 20:54:23,309 INFO L226 Difference]: Without dead ends: 749 [2020-10-14 20:54:23,311 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 [2020-10-14 20:54:23,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2020-10-14 20:54:23,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 594. [2020-10-14 20:54:23,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-10-14 20:54:23,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 801 transitions. [2020-10-14 20:54:23,348 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 801 transitions. Word has length 107 [2020-10-14 20:54:23,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:23,349 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 801 transitions. [2020-10-14 20:54:23,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:54:23,349 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 801 transitions. [2020-10-14 20:54:23,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-14 20:54:23,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:23,356 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:23,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:54:23,356 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:23,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:23,357 INFO L82 PathProgramCache]: Analyzing trace with hash 58557854, now seen corresponding path program 1 times [2020-10-14 20:54:23,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:23,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997132005] [2020-10-14 20:54:23,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:23,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:23,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:23,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:24,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:24,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 20:54:24,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:54:24,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1306 [2020-10-14 20:54:24,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:24,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:24,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:54:24,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:54:24,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 20:54:24,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:24,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:24,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:24,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:24,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:24,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:24,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:54:24,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:24,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:24,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:24,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:24,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:54:24,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:24,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:24,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:25,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:25,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 20:54:25,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:25,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-14 20:54:25,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:25,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:25,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:25,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:25,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-14 20:54:25,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:25,228 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:54:25,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997132005] [2020-10-14 20:54:25,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:54:25,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:54:25,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015212183] [2020-10-14 20:54:25,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:25,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:25,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:25,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:25,237 INFO L87 Difference]: Start difference. First operand 594 states and 801 transitions. Second operand 7 states. [2020-10-14 20:54:26,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:26,637 INFO L93 Difference]: Finished difference Result 1520 states and 2091 transitions. [2020-10-14 20:54:26,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:54:26,640 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 164 [2020-10-14 20:54:26,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:26,650 INFO L225 Difference]: With dead ends: 1520 [2020-10-14 20:54:26,651 INFO L226 Difference]: Without dead ends: 932 [2020-10-14 20:54:26,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:54:26,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2020-10-14 20:54:26,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 914. [2020-10-14 20:54:26,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 914 states. [2020-10-14 20:54:26,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1188 transitions. [2020-10-14 20:54:26,741 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1188 transitions. Word has length 164 [2020-10-14 20:54:26,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:26,742 INFO L479 AbstractCegarLoop]: Abstraction has 914 states and 1188 transitions. [2020-10-14 20:54:26,742 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:26,742 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1188 transitions. [2020-10-14 20:54:26,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-14 20:54:26,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:26,745 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:54:26,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:54:26,746 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:26,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:26,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1765388405, now seen corresponding path program 1 times [2020-10-14 20:54:26,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:26,747 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1669396143] [2020-10-14 20:54:26,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:26,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:26,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:27,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:27,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:27,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:27,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-14 20:54:27,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:54:27,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1044 [2020-10-14 20:54:27,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:27,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:27,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:27,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:54:27,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 20:54:27,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:27,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:27,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:27,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:27,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:27,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:27,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:54:27,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:27,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:27,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:27,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:27,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:27,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:27,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:27,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:27,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:27,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:54:27,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:27,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 20:54:27,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:27,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:27,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:27,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:27,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:54:27,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:28,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 20:54:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:28,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:28,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:28,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:54:28,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:28,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-14 20:54:28,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:28,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:28,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:28,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:28,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:54:28,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 20:54:28,229 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 112 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:54:28,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1669396143] [2020-10-14 20:54:28,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:28,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:28,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296073121] [2020-10-14 20:54:28,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:28,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:28,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:28,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:28,234 INFO L87 Difference]: Start difference. First operand 914 states and 1188 transitions. Second operand 7 states. [2020-10-14 20:54:29,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:29,835 INFO L93 Difference]: Finished difference Result 2279 states and 3067 transitions. [2020-10-14 20:54:29,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:54:29,836 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 180 [2020-10-14 20:54:29,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:29,845 INFO L225 Difference]: With dead ends: 2279 [2020-10-14 20:54:29,845 INFO L226 Difference]: Without dead ends: 1079 [2020-10-14 20:54:29,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:54:29,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2020-10-14 20:54:29,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 1057. [2020-10-14 20:54:29,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2020-10-14 20:54:29,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1314 transitions. [2020-10-14 20:54:29,897 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1314 transitions. Word has length 180 [2020-10-14 20:54:29,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:29,897 INFO L479 AbstractCegarLoop]: Abstraction has 1057 states and 1314 transitions. [2020-10-14 20:54:29,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:29,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1314 transitions. [2020-10-14 20:54:29,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-14 20:54:29,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:29,902 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:54:29,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:54:29,903 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:29,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:29,904 INFO L82 PathProgramCache]: Analyzing trace with hash -2134914115, now seen corresponding path program 1 times [2020-10-14 20:54:29,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:29,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2052378642] [2020-10-14 20:54:29,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:29,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:30,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:30,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:30,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:30,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:30,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-14 20:54:30,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:54:30,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1013 [2020-10-14 20:54:30,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:30,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:30,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:54:30,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:54:30,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 20:54:30,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:31,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:31,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:31,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:31,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:31,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:31,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:54:31,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:31,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:31,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:31,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:31,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:31,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:31,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:31,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:31,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:31,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:54:31,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:31,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 20:54:31,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:31,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:31,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:31,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:31,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:54:31,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:31,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:54:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:31,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:31,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:31,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:31,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:54:31,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:31,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-14 20:54:31,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:31,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:31,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:31,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:31,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:54:31,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:31,358 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 86 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 20:54:31,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2052378642] [2020-10-14 20:54:31,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:31,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:54:31,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076827463] [2020-10-14 20:54:31,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:54:31,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:31,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:54:31,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:54:31,361 INFO L87 Difference]: Start difference. First operand 1057 states and 1314 transitions. Second operand 6 states. [2020-10-14 20:54:32,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:32,914 INFO L93 Difference]: Finished difference Result 3002 states and 3845 transitions. [2020-10-14 20:54:32,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 20:54:32,914 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 188 [2020-10-14 20:54:32,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:32,926 INFO L225 Difference]: With dead ends: 3002 [2020-10-14 20:54:32,926 INFO L226 Difference]: Without dead ends: 1806 [2020-10-14 20:54:32,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:32,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2020-10-14 20:54:32,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1649. [2020-10-14 20:54:32,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1649 states. [2020-10-14 20:54:32,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2011 transitions. [2020-10-14 20:54:32,999 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2011 transitions. Word has length 188 [2020-10-14 20:54:32,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:33,000 INFO L479 AbstractCegarLoop]: Abstraction has 1649 states and 2011 transitions. [2020-10-14 20:54:33,000 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:54:33,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2011 transitions. [2020-10-14 20:54:33,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-14 20:54:33,003 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:33,004 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:54:33,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:54:33,004 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:33,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:33,005 INFO L82 PathProgramCache]: Analyzing trace with hash -815857444, now seen corresponding path program 1 times [2020-10-14 20:54:33,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:33,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023735560] [2020-10-14 20:54:33,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:33,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:33,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:33,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:34,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:35,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:36,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:36,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-14 20:54:36,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:54:36,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3362 [2020-10-14 20:54:36,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:36,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:36,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:54:36,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 20:54:36,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 20:54:36,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:36,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:36,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:36,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:36,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:36,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:36,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:54:36,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:36,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:36,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:36,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:36,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:36,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:36,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:36,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:36,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:36,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:54:36,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:36,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 20:54:36,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:36,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:36,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:36,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 20:54:36,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:54:36,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 20:54:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:36,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:36,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:36,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:36,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:54:36,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:36,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-14 20:54:36,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:36,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:36,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:36,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:36,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 20:54:36,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:36,840 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-14 20:54:36,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023735560] [2020-10-14 20:54:36,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:36,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:36,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961241899] [2020-10-14 20:54:36,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:36,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:36,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:36,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:36,844 INFO L87 Difference]: Start difference. First operand 1649 states and 2011 transitions. Second operand 7 states. [2020-10-14 20:54:38,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:38,941 INFO L93 Difference]: Finished difference Result 4178 states and 5248 transitions. [2020-10-14 20:54:38,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:54:38,942 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 195 [2020-10-14 20:54:38,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:38,954 INFO L225 Difference]: With dead ends: 4178 [2020-10-14 20:54:38,955 INFO L226 Difference]: Without dead ends: 2386 [2020-10-14 20:54:38,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:54:38,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2386 states. [2020-10-14 20:54:39,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2386 to 2090. [2020-10-14 20:54:39,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2090 states. [2020-10-14 20:54:39,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 2090 states and 2499 transitions. [2020-10-14 20:54:39,029 INFO L78 Accepts]: Start accepts. Automaton has 2090 states and 2499 transitions. Word has length 195 [2020-10-14 20:54:39,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:39,029 INFO L479 AbstractCegarLoop]: Abstraction has 2090 states and 2499 transitions. [2020-10-14 20:54:39,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:39,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 2499 transitions. [2020-10-14 20:54:39,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-14 20:54:39,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:39,035 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:54:39,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:54:39,035 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:39,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:39,035 INFO L82 PathProgramCache]: Analyzing trace with hash -2142345652, now seen corresponding path program 1 times [2020-10-14 20:54:39,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:39,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2079086023] [2020-10-14 20:54:39,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:39,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:39,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:40,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:40,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:40,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-14 20:54:40,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:54:40,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1726 [2020-10-14 20:54:40,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:40,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:40,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:54:40,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:54:40,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:54:40,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:40,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:40,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:40,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:40,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:40,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:40,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 20:54:40,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:40,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:40,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:40,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:40,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:54:40,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:40,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:40,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:40,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:40,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:54:40,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:40,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 20:54:40,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:40,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:40,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:40,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:40,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 20:54:40,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:41,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 20:54:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:41,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:41,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:41,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 20:54:41,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:41,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 20:54:41,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:41,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 20:54:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:41,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:41,176 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 42 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 20:54:41,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2079086023] [2020-10-14 20:54:41,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:41,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:41,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968809336] [2020-10-14 20:54:41,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:41,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:41,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:41,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:41,179 INFO L87 Difference]: Start difference. First operand 2090 states and 2499 transitions. Second operand 7 states. [2020-10-14 20:54:42,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:42,899 INFO L93 Difference]: Finished difference Result 4337 states and 5190 transitions. [2020-10-14 20:54:42,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:54:42,900 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2020-10-14 20:54:42,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:42,916 INFO L225 Difference]: With dead ends: 4337 [2020-10-14 20:54:42,917 INFO L226 Difference]: Without dead ends: 2253 [2020-10-14 20:54:42,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:54:42,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2020-10-14 20:54:42,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2239. [2020-10-14 20:54:42,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2239 states. [2020-10-14 20:54:43,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 2659 transitions. [2020-10-14 20:54:43,007 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 2659 transitions. Word has length 203 [2020-10-14 20:54:43,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:43,008 INFO L479 AbstractCegarLoop]: Abstraction has 2239 states and 2659 transitions. [2020-10-14 20:54:43,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:43,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 2659 transitions. [2020-10-14 20:54:43,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-14 20:54:43,015 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:43,015 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:43,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:54:43,016 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:43,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:43,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1638968649, now seen corresponding path program 1 times [2020-10-14 20:54:43,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:43,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1486795033] [2020-10-14 20:54:43,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:43,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:43,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:44,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:44,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:44,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-14 20:54:44,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:54:44,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1357 [2020-10-14 20:54:44,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:44,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:44,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:44,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:54:44,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 20:54:44,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:44,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:44,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:44,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:44,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:44,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:44,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:54:44,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:44,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:44,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:44,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:44,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:44,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:44,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:44,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:44,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:44,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:54:44,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:44,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 20:54:44,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:44,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:44,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:44,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:44,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:54:44,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:44,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:54:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:44,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:44,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:44,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:54:44,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:44,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 20:54:44,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:44,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:44,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:44,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:44,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 20:54:44,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:44,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 20:54:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:44,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:44,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:44,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 20:54:44,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:44,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 20:54:44,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:44,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:44,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:44,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 20:54:44,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:44,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:44,964 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 134 proven. 76 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-14 20:54:44,965 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1486795033] [2020-10-14 20:54:44,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:44,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:44,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345345868] [2020-10-14 20:54:44,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:44,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:44,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:44,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:44,967 INFO L87 Difference]: Start difference. First operand 2239 states and 2659 transitions. Second operand 7 states. [2020-10-14 20:54:46,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:46,444 INFO L93 Difference]: Finished difference Result 4373 states and 5316 transitions. [2020-10-14 20:54:46,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:54:46,445 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 273 [2020-10-14 20:54:46,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:46,457 INFO L225 Difference]: With dead ends: 4373 [2020-10-14 20:54:46,457 INFO L226 Difference]: Without dead ends: 2283 [2020-10-14 20:54:46,463 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:54:46,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2283 states. [2020-10-14 20:54:46,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2283 to 2090. [2020-10-14 20:54:46,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2090 states. [2020-10-14 20:54:46,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 2090 states and 2328 transitions. [2020-10-14 20:54:46,531 INFO L78 Accepts]: Start accepts. Automaton has 2090 states and 2328 transitions. Word has length 273 [2020-10-14 20:54:46,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:46,532 INFO L479 AbstractCegarLoop]: Abstraction has 2090 states and 2328 transitions. [2020-10-14 20:54:46,532 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:46,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 2328 transitions. [2020-10-14 20:54:46,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-10-14 20:54:46,538 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:46,538 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:46,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:54:46,539 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:46,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:46,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1534802932, now seen corresponding path program 1 times [2020-10-14 20:54:46,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:46,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007267194] [2020-10-14 20:54:46,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:46,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:46,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:47,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:47,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:49,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:49,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-14 20:54:49,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:54:49,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2751 [2020-10-14 20:54:49,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:49,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:54:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:54:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-14 20:54:49,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:49,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:49,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:49,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:49,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:49,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:49,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:54:49,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:49,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:49,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:49,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:49,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:49,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:49,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:49,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:49,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:49,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:54:49,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:49,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-14 20:54:49,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:49,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:54:49,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:49,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:54:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:49,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:49,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:49,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:54:49,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:49,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 20:54:49,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:49,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:49,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:49,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:49,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:54:49,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:49,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-14 20:54:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:49,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:50,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:50,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:54:50,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:50,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 20:54:50,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:50,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:50,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:50,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:50,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:54:50,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:50,285 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 202 proven. 71 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 20:54:50,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1007267194] [2020-10-14 20:54:50,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:50,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:54:50,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742040953] [2020-10-14 20:54:50,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:54:50,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:50,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:54:50,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:54:50,288 INFO L87 Difference]: Start difference. First operand 2090 states and 2328 transitions. Second operand 8 states. [2020-10-14 20:54:51,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:51,833 INFO L93 Difference]: Finished difference Result 4337 states and 4907 transitions. [2020-10-14 20:54:51,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:54:51,834 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 288 [2020-10-14 20:54:51,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:51,845 INFO L225 Difference]: With dead ends: 4337 [2020-10-14 20:54:51,845 INFO L226 Difference]: Without dead ends: 2396 [2020-10-14 20:54:51,851 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:54:51,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2020-10-14 20:54:51,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 2390. [2020-10-14 20:54:51,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2390 states. [2020-10-14 20:54:51,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 2390 states and 2652 transitions. [2020-10-14 20:54:51,908 INFO L78 Accepts]: Start accepts. Automaton has 2390 states and 2652 transitions. Word has length 288 [2020-10-14 20:54:51,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:51,909 INFO L479 AbstractCegarLoop]: Abstraction has 2390 states and 2652 transitions. [2020-10-14 20:54:51,909 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:54:51,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2390 states and 2652 transitions. [2020-10-14 20:54:51,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-10-14 20:54:51,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:51,916 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:51,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:54:51,917 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:51,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:51,917 INFO L82 PathProgramCache]: Analyzing trace with hash -420751923, now seen corresponding path program 1 times [2020-10-14 20:54:51,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:51,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450504362] [2020-10-14 20:54:51,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:52,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:52,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:52,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:53,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:53,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 315 [2020-10-14 20:54:53,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:54:53,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1629 [2020-10-14 20:54:53,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:53,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:53,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:53,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 20:54:53,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 20:54:53,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:53,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:53,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:53,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:53,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:53,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:53,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:54:53,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:53,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:53,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:53,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:53,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:53,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:53,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:53,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:53,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:53,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:54:53,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:53,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 20:54:53,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:53,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:53,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:53,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:53,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:53,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:53,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:54:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:53,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:53,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:53,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 20:54:53,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:53,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 20:54:53,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:53,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:53,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:53,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:53,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 20:54:53,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:53,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 20:54:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:53,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:54,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:54,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:54:54,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:54,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-14 20:54:54,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:54,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:54,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:54,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:54,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:54:54,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:54,328 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-14 20:54:54,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450504362] [2020-10-14 20:54:54,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:54,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:54:54,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675456180] [2020-10-14 20:54:54,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:54:54,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:54,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:54:54,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:54:54,335 INFO L87 Difference]: Start difference. First operand 2390 states and 2652 transitions. Second operand 8 states. [2020-10-14 20:54:56,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:56,440 INFO L93 Difference]: Finished difference Result 5648 states and 6368 transitions. [2020-10-14 20:54:56,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:54:56,441 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 301 [2020-10-14 20:54:56,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:56,456 INFO L225 Difference]: With dead ends: 5648 [2020-10-14 20:54:56,456 INFO L226 Difference]: Without dead ends: 3407 [2020-10-14 20:54:56,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:54:56,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3407 states. [2020-10-14 20:54:56,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3407 to 2680. [2020-10-14 20:54:56,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2680 states. [2020-10-14 20:54:56,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2680 states and 2995 transitions. [2020-10-14 20:54:56,533 INFO L78 Accepts]: Start accepts. Automaton has 2680 states and 2995 transitions. Word has length 301 [2020-10-14 20:54:56,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:56,534 INFO L479 AbstractCegarLoop]: Abstraction has 2680 states and 2995 transitions. [2020-10-14 20:54:56,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:54:56,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 2995 transitions. [2020-10-14 20:54:56,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-14 20:54:56,541 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:56,542 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:56,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 20:54:56,542 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:56,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:56,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1322102457, now seen corresponding path program 1 times [2020-10-14 20:54:56,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:56,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1076546283] [2020-10-14 20:54:56,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:56,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:56,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:57,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:57,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:57,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-10-14 20:54:57,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:54:57,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1326 [2020-10-14 20:54:57,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:57,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:57,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:57,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-10-14 20:54:57,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 20:54:57,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:58,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:58,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:58,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:58,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:58,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:58,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:54:58,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:58,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:58,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:58,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:58,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:58,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:58,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:58,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:58,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:58,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 20:54:58,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:58,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 20:54:58,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:58,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:58,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:58,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:58,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:58,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:58,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 20:54:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:58,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:58,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:58,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 20:54:58,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:58,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 20:54:58,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:58,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:58,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:58,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:58,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 20:54:58,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:58,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-14 20:54:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:58,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:58,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:58,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:54:58,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:58,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 20:54:58,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:58,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:58,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:58,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:58,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:54:58,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:58,576 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-14 20:54:58,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1076546283] [2020-10-14 20:54:58,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:58,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:58,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470146884] [2020-10-14 20:54:58,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:58,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:58,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:58,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:58,579 INFO L87 Difference]: Start difference. First operand 2680 states and 2995 transitions. Second operand 7 states. [2020-10-14 20:55:00,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:00,075 INFO L93 Difference]: Finished difference Result 5366 states and 6019 transitions. [2020-10-14 20:55:00,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:55:00,076 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 319 [2020-10-14 20:55:00,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:00,088 INFO L225 Difference]: With dead ends: 5366 [2020-10-14 20:55:00,088 INFO L226 Difference]: Without dead ends: 2835 [2020-10-14 20:55:00,094 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:55:00,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2835 states. [2020-10-14 20:55:00,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2835 to 2825. [2020-10-14 20:55:00,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2825 states. [2020-10-14 20:55:00,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 2825 states and 3152 transitions. [2020-10-14 20:55:00,162 INFO L78 Accepts]: Start accepts. Automaton has 2825 states and 3152 transitions. Word has length 319 [2020-10-14 20:55:00,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:00,162 INFO L479 AbstractCegarLoop]: Abstraction has 2825 states and 3152 transitions. [2020-10-14 20:55:00,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:55:00,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 3152 transitions. [2020-10-14 20:55:00,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-10-14 20:55:00,173 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:00,173 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:55:00,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 20:55:00,174 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:00,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:00,174 INFO L82 PathProgramCache]: Analyzing trace with hash 288883145, now seen corresponding path program 1 times [2020-10-14 20:55:00,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:00,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [106250312] [2020-10-14 20:55:00,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:00,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:00,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:00,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:00,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 351 [2020-10-14 20:55:00,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:00,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 507 [2020-10-14 20:55:00,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:00,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:00,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:00,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 323 [2020-10-14 20:55:00,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 20:55:00,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:00,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:00,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:00,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:00,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:00,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:00,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:55:00,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:00,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:00,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:00,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:00,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:00,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:00,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:00,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:00,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:00,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 20:55:00,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:00,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 20:55:00,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:00,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:00,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:00,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:00,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:00,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:00,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 20:55:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:00,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:00,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:00,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:55:00,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:00,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 20:55:00,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:00,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:00,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:00,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:00,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:00,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:00,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-14 20:55:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:01,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:01,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:01,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 20:55:01,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:01,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 20:55:01,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:01,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:01,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:01,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:01,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 20:55:01,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:01,170 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 66 proven. 3 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-10-14 20:55:01,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [106250312] [2020-10-14 20:55:01,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:01,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:55:01,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760893559] [2020-10-14 20:55:01,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:55:01,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:01,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:55:01,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:55:01,173 INFO L87 Difference]: Start difference. First operand 2825 states and 3152 transitions. Second operand 6 states. [2020-10-14 20:55:02,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:02,696 INFO L93 Difference]: Finished difference Result 6220 states and 7034 transitions. [2020-10-14 20:55:02,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:55:02,697 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 337 [2020-10-14 20:55:02,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:02,708 INFO L225 Difference]: With dead ends: 6220 [2020-10-14 20:55:02,708 INFO L226 Difference]: Without dead ends: 2672 [2020-10-14 20:55:02,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:55:02,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2672 states. [2020-10-14 20:55:02,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2672 to 2668. [2020-10-14 20:55:02,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2668 states. [2020-10-14 20:55:02,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 2668 states and 2959 transitions. [2020-10-14 20:55:02,777 INFO L78 Accepts]: Start accepts. Automaton has 2668 states and 2959 transitions. Word has length 337 [2020-10-14 20:55:02,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:02,778 INFO L479 AbstractCegarLoop]: Abstraction has 2668 states and 2959 transitions. [2020-10-14 20:55:02,778 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:55:02,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2668 states and 2959 transitions. [2020-10-14 20:55:02,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-10-14 20:55:02,783 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:02,784 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:55:02,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 20:55:02,784 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:02,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:02,784 INFO L82 PathProgramCache]: Analyzing trace with hash -2078488612, now seen corresponding path program 1 times [2020-10-14 20:55:02,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:02,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [50797733] [2020-10-14 20:55:02,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:02,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:03,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:04,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:04,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 354 [2020-10-14 20:55:04,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:04,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1293 [2020-10-14 20:55:04,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:04,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:04,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:04,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 326 [2020-10-14 20:55:04,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 20:55:04,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:04,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:04,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:04,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:04,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:04,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:04,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:55:04,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:04,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:04,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:04,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:04,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:04,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:04,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:04,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:04,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:04,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 20:55:04,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:04,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 20:55:04,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:04,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:04,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:04,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:04,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:04,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:04,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 20:55:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:04,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:04,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:04,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 20:55:04,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:04,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 20:55:04,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:04,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:04,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:04,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:04,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:04,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:04,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-14 20:55:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:04,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:04,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:04,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:55:04,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:04,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 20:55:04,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:04,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:04,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:04,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:04,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 20:55:04,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:04,553 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 66 proven. 3 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2020-10-14 20:55:04,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [50797733] [2020-10-14 20:55:04,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:04,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:55:04,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681943438] [2020-10-14 20:55:04,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:55:04,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:04,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:55:04,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:55:04,555 INFO L87 Difference]: Start difference. First operand 2668 states and 2959 transitions. Second operand 5 states. [2020-10-14 20:55:05,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:05,671 INFO L93 Difference]: Finished difference Result 5910 states and 6615 transitions. [2020-10-14 20:55:05,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:55:05,672 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 340 [2020-10-14 20:55:05,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:05,685 INFO L225 Difference]: With dead ends: 5910 [2020-10-14 20:55:05,685 INFO L226 Difference]: Without dead ends: 3246 [2020-10-14 20:55:05,691 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:55:05,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3246 states. [2020-10-14 20:55:05,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3246 to 3099. [2020-10-14 20:55:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3099 states. [2020-10-14 20:55:05,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 3465 transitions. [2020-10-14 20:55:05,771 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 3465 transitions. Word has length 340 [2020-10-14 20:55:05,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:05,772 INFO L479 AbstractCegarLoop]: Abstraction has 3099 states and 3465 transitions. [2020-10-14 20:55:05,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:55:05,772 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 3465 transitions. [2020-10-14 20:55:05,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2020-10-14 20:55:05,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:05,780 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:55:05,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 20:55:05,781 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:05,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:05,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1630255153, now seen corresponding path program 1 times [2020-10-14 20:55:05,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:05,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1325361377] [2020-10-14 20:55:05,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:05,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:06,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:06,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:07,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:08,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:08,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 395 [2020-10-14 20:55:08,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:55:08,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2800 [2020-10-14 20:55:08,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:08,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:08,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:08,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-10-14 20:55:08,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-14 20:55:08,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:08,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:08,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:08,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:08,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:08,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:08,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:55:08,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:08,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:08,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:08,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:08,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:08,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:08,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:08,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 20:55:08,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:08,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 20:55:08,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:08,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:08,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:08,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:08,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:08,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:08,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 20:55:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:08,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:08,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:08,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:55:08,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:08,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 20:55:08,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:08,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 20:55:08,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:08,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-14 20:55:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:08,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:09,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:09,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 20:55:09,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:09,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-14 20:55:09,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:09,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:09,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:09,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:09,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 20:55:09,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:09,343 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 273 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-14 20:55:09,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1325361377] [2020-10-14 20:55:09,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:09,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:55:09,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513837912] [2020-10-14 20:55:09,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:55:09,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:09,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:55:09,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:09,346 INFO L87 Difference]: Start difference. First operand 3099 states and 3465 transitions. Second operand 7 states. [2020-10-14 20:55:10,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:10,764 INFO L93 Difference]: Finished difference Result 6057 states and 6790 transitions. [2020-10-14 20:55:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:55:10,772 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 381 [2020-10-14 20:55:10,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:10,793 INFO L225 Difference]: With dead ends: 6057 [2020-10-14 20:55:10,793 INFO L226 Difference]: Without dead ends: 3107 [2020-10-14 20:55:10,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:55:10,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3107 states. [2020-10-14 20:55:10,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3107 to 3099. [2020-10-14 20:55:10,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3099 states. [2020-10-14 20:55:10,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 3445 transitions. [2020-10-14 20:55:10,887 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 3445 transitions. Word has length 381 [2020-10-14 20:55:10,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:10,888 INFO L479 AbstractCegarLoop]: Abstraction has 3099 states and 3445 transitions. [2020-10-14 20:55:10,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:55:10,888 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 3445 transitions. [2020-10-14 20:55:10,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2020-10-14 20:55:10,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:10,903 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:55:10,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 20:55:10,903 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:10,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:10,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1517920092, now seen corresponding path program 1 times [2020-10-14 20:55:10,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:10,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1031298393] [2020-10-14 20:55:10,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:11,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:11,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:11,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:11,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 414 [2020-10-14 20:55:11,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:11,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 915 [2020-10-14 20:55:11,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:11,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:11,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:11,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 386 [2020-10-14 20:55:11,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 20:55:11,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:11,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:11,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:11,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:11,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:11,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:11,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:55:11,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:11,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:11,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:11,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:11,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:11,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:12,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:12,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:12,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:12,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 20:55:12,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:12,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 20:55:12,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:12,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:12,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:12,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:12,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:12,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:12,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 20:55:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:12,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:12,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:12,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 20:55:12,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:12,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 20:55:12,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:12,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:12,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:12,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:12,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:12,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:12,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-14 20:55:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:12,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:12,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:12,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 20:55:12,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:12,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 20:55:12,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:12,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:12,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:12,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:12,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-14 20:55:12,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:12,336 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 66 proven. 3 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2020-10-14 20:55:12,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1031298393] [2020-10-14 20:55:12,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:12,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:55:12,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304575808] [2020-10-14 20:55:12,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:55:12,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:12,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:55:12,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:55:12,339 INFO L87 Difference]: Start difference. First operand 3099 states and 3445 transitions. Second operand 5 states. [2020-10-14 20:55:13,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:13,306 INFO L93 Difference]: Finished difference Result 3101 states and 3447 transitions. [2020-10-14 20:55:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:55:13,312 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 400 [2020-10-14 20:55:13,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:13,313 INFO L225 Difference]: With dead ends: 3101 [2020-10-14 20:55:13,313 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 20:55:13,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:55:13,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 20:55:13,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 20:55:13,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 20:55:13,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 20:55:13,319 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 400 [2020-10-14 20:55:13,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:13,319 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 20:55:13,319 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:55:13,319 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 20:55:13,320 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 20:55:13,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 20:55:13,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 20:55:14,139 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 173 [2020-10-14 20:55:14,475 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 173 [2020-10-14 20:55:15,343 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 54 [2020-10-14 20:55:16,309 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 60 [2020-10-14 20:55:17,244 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 60 [2020-10-14 20:55:17,249 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:55:17,250 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)|)) [2020-10-14 20:55:17,250 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:55:17,250 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-14 20:55:17,250 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,250 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,250 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,250 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,250 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,251 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,251 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-14 20:55:17,251 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-14 20:55:17,251 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 20:55:17,251 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 20:55:17,251 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 20:55:17,251 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 20:55:17,251 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 20:55:17,251 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 20:55:17,251 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-14 20:55:17,251 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-14 20:55:17,252 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-14 20:55:17,252 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,252 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,252 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,252 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,252 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,252 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-14 20:55:17,252 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-14 20:55:17,252 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-14 20:55:17,253 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-14 20:55:17,253 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 20:55:17,253 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 20:55:17,253 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 20:55:17,253 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 20:55:17,253 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 20:55:17,253 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-14 20:55:17,253 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-14 20:55:17,254 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-14 20:55:17,254 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-14 20:55:17,254 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 70) no Hoare annotation was computed. [2020-10-14 20:55:17,254 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-14 20:55:17,254 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,254 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,254 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,254 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,255 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,255 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-14 20:55:17,255 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 20:55:17,255 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 20:55:17,255 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 20:55:17,255 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 20:55:17,255 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 20:55:17,255 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-14 20:55:17,255 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-14 20:55:17,255 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-14 20:55:17,256 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-14 20:55:17,256 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,256 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,256 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,256 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,256 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,256 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-14 20:55:17,256 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-14 20:55:17,257 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-14 20:55:17,257 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 20:55:17,257 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 20:55:17,257 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 20:55:17,257 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 20:55:17,257 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 20:55:17,257 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-14 20:55:17,257 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-14 20:55:17,257 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-14 20:55:17,258 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-14 20:55:17,258 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-14 20:55:17,258 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,258 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,258 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,258 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,258 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,258 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 20:55:17,259 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 20:55:17,259 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 20:55:17,259 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 20:55:17,259 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 20:55:17,259 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-14 20:55:17,259 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-14 20:55:17,259 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-14 20:55:17,259 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-14 20:55:17,259 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,260 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,260 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,260 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,260 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,260 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,260 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,260 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-14 20:55:17,260 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-14 20:55:17,260 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-14 20:55:17,261 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-14 20:55:17,261 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 20:55:17,261 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 20:55:17,261 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 20:55:17,261 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 20:55:17,261 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 20:55:17,261 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-14 20:55:17,261 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-14 20:55:17,262 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-14 20:55:17,262 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-14 20:55:17,262 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,262 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,262 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,262 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,262 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 20:55:17,262 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,262 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,263 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-14 20:55:17,263 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-14 20:55:17,263 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-14 20:55:17,263 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 20:55:17,263 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 20:55:17,263 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 20:55:17,263 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 20:55:17,263 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 20:55:17,264 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 20:55:17,264 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-14 20:55:17,264 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-14 20:55:17,264 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-14 20:55:17,264 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-14 20:55:17,264 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,264 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,264 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,264 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,265 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,265 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,265 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-14 20:55:17,265 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-14 20:55:17,265 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-14 20:55:17,265 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 20:55:17,265 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 20:55:17,265 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 20:55:17,266 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 20:55:17,266 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 20:55:17,266 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 20:55:17,266 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-14 20:55:17,266 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-14 20:55:17,266 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (= 8 |old(~a19~0)|))) (let ((.cse2 (not (<= 4 |old(~a10~0)|))) (.cse3 (not (<= (+ |old(~a1~0)| 45442) 0))) (.cse4 (not (= 2 |old(~a10~0)|))) (.cse5 (not .cse1)) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or (not (= 3 |old(~a10~0)|)) .cse0 .cse1) (or .cse2 .cse0 .cse3) (or .cse0 (not (<= |old(~a1~0)| 36)) .cse4 .cse5) (or .cse2 .cse0 .cse5) (or .cse0 (not (<= |old(~a10~0)| 1))) (or .cse0 .cse3 .cse5) (or .cse0 (not (= 9 |old(~a19~0)|))) (or (not (<= 592098 |old(~a1~0)|)) .cse0 .cse4 .cse5) (or (not (<= |old(~a19~0)| 7)) .cse0)))) [2020-10-14 20:55:17,267 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-14 20:55:17,267 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-14 20:55:17,267 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-14 20:55:17,267 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,267 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,267 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,267 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,267 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,268 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,268 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-14 20:55:17,268 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 20:55:17,268 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 20:55:17,268 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 20:55:17,268 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 20:55:17,268 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 20:55:17,268 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 20:55:17,268 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-14 20:55:17,269 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-14 20:55:17,269 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-14 20:55:17,269 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-14 20:55:17,269 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-14 20:55:17,269 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-14 20:55:17,269 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,269 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,269 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,269 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,269 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,270 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,270 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-14 20:55:17,270 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-14 20:55:17,270 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-14 20:55:17,270 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 20:55:17,270 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 20:55:17,270 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 20:55:17,270 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 20:55:17,270 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 20:55:17,271 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 20:55:17,271 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-14 20:55:17,271 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-14 20:55:17,271 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-14 20:55:17,271 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,271 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,271 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,271 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,271 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,271 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:17,271 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-14 20:55:17,272 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-14 20:55:17,272 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-14 20:55:17,272 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 20:55:17,272 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 20:55:17,272 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 20:55:17,272 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 20:55:17,272 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 20:55:17,272 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 20:55:17,272 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-14 20:55:17,272 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-14 20:55:17,273 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-14 20:55:17,273 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:55:17,273 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-10-14 20:55:17,273 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 20:55:17,273 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:55:17,273 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23))) [2020-10-14 20:55:17,273 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:55:17,274 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse7 (<= |old(~a10~0)| 0))) (let ((.cse0 (= ~a19~0 9)) (.cse3 (<= ~a10~0 1)) (.cse1 (= ~a19~0 8)) (.cse6 (= ~a10~0 2)) (.cse4 (<= (+ ~a1~0 45442) 0)) (.cse2 (<= 4 ~a10~0)) (.cse5 (or (and (<= 0 |old(~a10~0)|) .cse7) (<= (+ |old(~a1~0)| 13) 0)))) (or (and (<= 23 ~a1~0) .cse0 (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (and .cse1 .cse2) (and .cse1 .cse3) (and .cse1 .cse4) (not (<= 23 |old(~a1~0)|)) (and (<= ~a19~0 7) .cse5) (and .cse1 (<= ~a1~0 36) .cse6 .cse5) (not .cse7) (and .cse5 .cse0) (and .cse5 .cse3) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and (not .cse1) (= ~a10~0 3) .cse5) (and .cse1 .cse6 .cse5 (<= 592098 ~a1~0)) (and .cse4 .cse2 .cse5)))) [2020-10-14 20:55:17,274 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-14 20:55:17,274 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-14 20:55:17,274 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse7 (<= |old(~a10~0)| 0))) (let ((.cse0 (= ~a19~0 9)) (.cse3 (<= ~a10~0 1)) (.cse1 (= ~a19~0 8)) (.cse6 (= ~a10~0 2)) (.cse4 (<= (+ ~a1~0 45442) 0)) (.cse2 (<= 4 ~a10~0)) (.cse5 (or (and (<= 0 |old(~a10~0)|) .cse7) (<= (+ |old(~a1~0)| 13) 0)))) (or (and (<= 23 ~a1~0) .cse0 (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (and .cse1 .cse2) (and .cse1 .cse3) (and .cse1 .cse4) (not (<= 23 |old(~a1~0)|)) (and (<= ~a19~0 7) .cse5) (and .cse1 (<= ~a1~0 36) .cse6 .cse5) (not .cse7) (and .cse5 .cse0) (and .cse5 .cse3) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and (not .cse1) (= ~a10~0 3) .cse5) (and .cse1 .cse6 .cse5 (<= 592098 ~a1~0)) (and .cse4 .cse2 .cse5)))) [2020-10-14 20:55:17,274 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:55:17,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:55:17 BoogieIcfgContainer [2020-10-14 20:55:17,300 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 20:55:17,302 INFO L168 Benchmark]: Toolchain (without parser) took 63758.62 ms. Allocated memory was 147.3 MB in the beginning and 1.0 GB in the end (delta: 858.3 MB). Free memory was 102.2 MB in the beginning and 526.3 MB in the end (delta: -424.1 MB). Peak memory consumption was 819.7 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:17,303 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 20:55:17,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.26 ms. Allocated memory was 147.3 MB in the beginning and 207.1 MB in the end (delta: 59.8 MB). Free memory was 101.8 MB in the beginning and 172.4 MB in the end (delta: -70.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:17,304 INFO L168 Benchmark]: Boogie Preprocessor took 122.87 ms. Allocated memory is still 207.1 MB. Free memory was 172.4 MB in the beginning and 168.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:17,305 INFO L168 Benchmark]: RCFGBuilder took 1406.66 ms. Allocated memory was 207.1 MB in the beginning and 236.5 MB in the end (delta: 29.4 MB). Free memory was 167.4 MB in the beginning and 178.3 MB in the end (delta: -10.9 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:17,306 INFO L168 Benchmark]: TraceAbstraction took 61479.47 ms. Allocated memory was 236.5 MB in the beginning and 1.0 GB in the end (delta: 769.1 MB). Free memory was 178.3 MB in the beginning and 526.3 MB in the end (delta: -348.0 MB). Peak memory consumption was 806.7 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:17,309 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 742.26 ms. Allocated memory was 147.3 MB in the beginning and 207.1 MB in the end (delta: 59.8 MB). Free memory was 101.8 MB in the beginning and 172.4 MB in the end (delta: -70.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.87 ms. Allocated memory is still 207.1 MB. Free memory was 172.4 MB in the beginning and 168.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1406.66 ms. Allocated memory was 207.1 MB in the beginning and 236.5 MB in the end (delta: 29.4 MB). Free memory was 167.4 MB in the beginning and 178.3 MB in the end (delta: -10.9 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 61479.47 ms. Allocated memory was 236.5 MB in the beginning and 1.0 GB in the end (delta: 769.1 MB). Free memory was 178.3 MB in the beginning and 526.3 MB in the end (delta: -348.0 MB). Peak memory consumption was 806.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 70]: 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: ((((((((((((((((23 <= a1 && a19 == 9) && a1 <= 23) && a10 == \old(a10)) || (a19 == 8 && 4 <= a10)) || (a19 == 8 && a10 <= 1)) || (a19 == 8 && a1 + 45442 <= 0)) || !(23 <= \old(a1))) || (a19 <= 7 && ((0 <= \old(a10) && \old(a10) <= 0) || \old(a1) + 13 <= 0))) || (((a19 == 8 && a1 <= 36) && a10 == 2) && ((0 <= \old(a10) && \old(a10) <= 0) || \old(a1) + 13 <= 0))) || !(\old(a10) <= 0)) || (((0 <= \old(a10) && \old(a10) <= 0) || \old(a1) + 13 <= 0) && a19 == 9)) || (((0 <= \old(a10) && \old(a10) <= 0) || \old(a1) + 13 <= 0) && a10 <= 1)) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || ((!(a19 == 8) && a10 == 3) && ((0 <= \old(a10) && \old(a10) <= 0) || \old(a1) + 13 <= 0))) || (((a19 == 8 && a10 == 2) && ((0 <= \old(a10) && \old(a10) <= 0) || \old(a1) + 13 <= 0)) && 592098 <= a1)) || ((a1 + 45442 <= 0 && 4 <= a10) && ((0 <= \old(a10) && \old(a10) <= 0) || \old(a1) + 13 <= 0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 57.4s, OverallIterations: 16, TraceHistogramMax: 4, AutomataDifference: 24.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 457 SDtfs, 6370 SDslu, 572 SDs, 0 SdLazy, 14766 SolverSat, 1903 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 266 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3099occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 16 MinimizatonAttempts, 1799 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 200 PreInvPairs, 264 NumberOfFragments, 632 HoareAnnotationTreeSize, 200 FomulaSimplifications, 339759 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 26662 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 29.5s InterpolantComputationTime, 3805 NumberOfCodeBlocks, 3805 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3789 ConstructedInterpolants, 0 QuantifiedInterpolants, 2483799 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 3 PerfectInterpolantSequences, 2778/3038 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...