/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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/Problem14_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 03:18:26,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 03:18:26,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 03:18:26,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 03:18:26,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 03:18:26,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 03:18:26,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 03:18:26,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 03:18:26,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 03:18:26,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 03:18:26,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 03:18:26,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 03:18:26,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 03:18:26,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 03:18:26,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 03:18:26,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 03:18:26,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 03:18:26,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 03:18:26,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 03:18:26,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 03:18:26,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 03:18:26,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 03:18:26,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 03:18:26,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 03:18:26,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 03:18:26,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 03:18:26,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 03:18:26,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 03:18:26,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 03:18:26,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 03:18:26,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 03:18:26,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 03:18:26,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 03:18:26,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 03:18:26,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 03:18:26,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 03:18:26,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 03:18:26,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 03:18:26,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 03:18:26,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 03:18:26,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 03:18:26,353 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 03:18:26,394 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 03:18:26,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 03:18:26,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 03:18:26,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 03:18:26,398 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 03:18:26,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 03:18:26,398 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 03:18:26,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 03:18:26,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 03:18:26,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 03:18:26,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 03:18:26,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 03:18:26,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 03:18:26,401 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 03:18:26,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 03:18:26,401 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 03:18:26,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 03:18:26,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 03:18:26,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 03:18:26,403 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 03:18:26,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 03:18:26,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:18:26,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 03:18:26,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 03:18:26,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 03:18:26,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 03:18:26,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 03:18:26,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 03:18:26,404 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 03:18:26,405 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 03:18:26,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 03:18:26,712 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 03:18:26,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 03:18:26,718 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 03:18:26,718 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 03:18:26,719 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label33.c [2020-10-14 03:18:26,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3daf3711/4d91b9e489384bf7bb475a7ed544824b/FLAGa0ddc1304 [2020-10-14 03:18:27,395 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 03:18:27,396 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label33.c [2020-10-14 03:18:27,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3daf3711/4d91b9e489384bf7bb475a7ed544824b/FLAGa0ddc1304 [2020-10-14 03:18:27,782 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3daf3711/4d91b9e489384bf7bb475a7ed544824b [2020-10-14 03:18:27,790 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 03:18:27,792 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 03:18:27,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 03:18:27,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 03:18:27,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 03:18:27,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:18:27" (1/1) ... [2020-10-14 03:18:27,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6923363e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:27, skipping insertion in model container [2020-10-14 03:18:27,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:18:27" (1/1) ... [2020-10-14 03:18:27,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 03:18:27,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 03:18:28,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:18:28,443 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 03:18:28,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:18:28,682 INFO L208 MainTranslator]: Completed translation [2020-10-14 03:18:28,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:28 WrapperNode [2020-10-14 03:18:28,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 03:18:28,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 03:18:28,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 03:18:28,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 03:18:28,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:28" (1/1) ... [2020-10-14 03:18:28,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:28" (1/1) ... [2020-10-14 03:18:28,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:28" (1/1) ... [2020-10-14 03:18:28,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:28" (1/1) ... [2020-10-14 03:18:28,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:28" (1/1) ... [2020-10-14 03:18:28,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:28" (1/1) ... [2020-10-14 03:18:28,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:28" (1/1) ... [2020-10-14 03:18:28,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 03:18:28,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 03:18:28,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 03:18:28,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 03:18:28,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:28" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:18:28,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 03:18:28,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 03:18:28,895 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 03:18:28,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 03:18:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 03:18:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 03:18:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 03:18:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 03:18:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 03:18:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 03:18:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 03:18:30,465 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 03:18:30,465 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 03:18:30,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:18:30 BoogieIcfgContainer [2020-10-14 03:18:30,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 03:18:30,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 03:18:30,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 03:18:30,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 03:18:30,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:18:27" (1/3) ... [2020-10-14 03:18:30,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c46e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:18:30, skipping insertion in model container [2020-10-14 03:18:30,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:28" (2/3) ... [2020-10-14 03:18:30,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c46e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:18:30, skipping insertion in model container [2020-10-14 03:18:30,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:18:30" (3/3) ... [2020-10-14 03:18:30,481 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label33.c [2020-10-14 03:18:30,492 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 03:18:30,500 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 03:18:30,515 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 03:18:30,541 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 03:18:30,542 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 03:18:30,542 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 03:18:30,542 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 03:18:30,542 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 03:18:30,542 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 03:18:30,543 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 03:18:30,543 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 03:18:30,567 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 03:18:30,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-14 03:18:30,577 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:30,578 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:18:30,578 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:30,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:30,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1630664019, now seen corresponding path program 1 times [2020-10-14 03:18:30,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:30,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427225387] [2020-10-14 03:18:30,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:30,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:31,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:31,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-14 03:18:31,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:31,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 435 [2020-10-14 03:18:31,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:31,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:31,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:18:31,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:18:31,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 03:18:31,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:18:31,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:31,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:31,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:31,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:31,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:31,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:18:31,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:31,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:31,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:31,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:31,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:18:31,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 24 [2020-10-14 03:18:31,443 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 03:18:31,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427225387] [2020-10-14 03:18:31,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 03:18:31,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 03:18:31,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142186224] [2020-10-14 03:18:31,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:18:31,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:31,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:18:31,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:18:31,470 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-10-14 03:18:34,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:34,252 INFO L93 Difference]: Finished difference Result 886 states and 1612 transitions. [2020-10-14 03:18:34,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 03:18:34,255 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-10-14 03:18:34,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:34,277 INFO L225 Difference]: With dead ends: 886 [2020-10-14 03:18:34,278 INFO L226 Difference]: Without dead ends: 564 [2020-10-14 03:18:34,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:18:34,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-14 03:18:34,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-14 03:18:34,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-14 03:18:34,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 855 transitions. [2020-10-14 03:18:34,387 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 855 transitions. Word has length 64 [2020-10-14 03:18:34,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:34,388 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 855 transitions. [2020-10-14 03:18:34,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:18:34,388 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 855 transitions. [2020-10-14 03:18:34,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-14 03:18:34,394 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:34,394 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:18:34,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 03:18:34,395 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:34,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:34,396 INFO L82 PathProgramCache]: Analyzing trace with hash -2056991267, now seen corresponding path program 1 times [2020-10-14 03:18:34,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:34,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [67559554] [2020-10-14 03:18:34,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:34,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:34,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:35,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:35,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:35,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 03:18:35,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:18:35,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1461 [2020-10-14 03:18:35,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:35,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:35,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:35,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:18:35,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-14 03:18:35,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:18:35,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:35,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:35,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:35,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:35,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:35,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:18:35,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:35,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:35,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:35,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:35,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:35,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:18:36,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:36,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:36,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:36,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:18:36,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:36,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 03:18:36,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:36,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:36,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:36,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:36,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:18:36,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 03:18:36,151 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 56 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:18:36,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [67559554] [2020-10-14 03:18:36,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:36,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:18:36,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650159776] [2020-10-14 03:18:36,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:18:36,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:36,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:18:36,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:18:36,157 INFO L87 Difference]: Start difference. First operand 560 states and 855 transitions. Second operand 5 states. [2020-10-14 03:18:37,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:37,741 INFO L93 Difference]: Finished difference Result 1302 states and 2019 transitions. [2020-10-14 03:18:37,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:18:37,742 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-10-14 03:18:37,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:37,752 INFO L225 Difference]: With dead ends: 1302 [2020-10-14 03:18:37,753 INFO L226 Difference]: Without dead ends: 748 [2020-10-14 03:18:37,755 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 03:18:37,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-14 03:18:37,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-14 03:18:37,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-14 03:18:37,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1049 transitions. [2020-10-14 03:18:37,807 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1049 transitions. Word has length 133 [2020-10-14 03:18:37,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:37,811 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 1049 transitions. [2020-10-14 03:18:37,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:18:37,811 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1049 transitions. [2020-10-14 03:18:37,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-14 03:18:37,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:37,824 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 03:18:37,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 03:18:37,824 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:37,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:37,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1295650903, now seen corresponding path program 1 times [2020-10-14 03:18:37,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:37,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [387451250] [2020-10-14 03:18:37,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:37,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:37,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:38,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:38,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:41,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:42,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:42,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-14 03:18:42,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:18:42,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4376 [2020-10-14 03:18:42,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:42,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:42,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:42,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:18:42,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:18:42,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:42,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:42,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:42,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:42,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:42,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:42,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 03:18:42,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:42,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:42,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:42,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:42,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:42,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:42,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:42,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:42,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:42,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:18:42,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:42,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 03:18:42,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:42,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:42,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:42,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:42,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:18:42,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:42,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 03:18:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:42,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:42,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:42,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:18:42,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:42,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-14 03:18:42,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:42,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:42,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:42,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:18:42,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 03:18:42,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:42,822 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 180 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:18:42,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [387451250] [2020-10-14 03:18:42,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:42,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:18:42,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682763313] [2020-10-14 03:18:42,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:18:42,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:42,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:18:42,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:18:42,825 INFO L87 Difference]: Start difference. First operand 744 states and 1049 transitions. Second operand 7 states. [2020-10-14 03:18:44,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:44,597 INFO L93 Difference]: Finished difference Result 1680 states and 2314 transitions. [2020-10-14 03:18:44,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:18:44,598 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 216 [2020-10-14 03:18:44,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:44,606 INFO L225 Difference]: With dead ends: 1680 [2020-10-14 03:18:44,606 INFO L226 Difference]: Without dead ends: 758 [2020-10-14 03:18:44,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:18:44,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2020-10-14 03:18:44,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 746. [2020-10-14 03:18:44,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-10-14 03:18:44,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 856 transitions. [2020-10-14 03:18:44,652 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 856 transitions. Word has length 216 [2020-10-14 03:18:44,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:44,652 INFO L479 AbstractCegarLoop]: Abstraction has 746 states and 856 transitions. [2020-10-14 03:18:44,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:18:44,653 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 856 transitions. [2020-10-14 03:18:44,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-10-14 03:18:44,659 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:44,660 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 03:18:44,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 03:18:44,661 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:44,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:44,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1494054908, now seen corresponding path program 1 times [2020-10-14 03:18:44,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:44,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1359048827] [2020-10-14 03:18:44,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:44,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:44,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:45,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:46,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:49,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:49,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 329 [2020-10-14 03:18:49,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:18:49,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-14 03:18:49,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:49,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-14 03:18:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 03:18:49,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:18:49,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:49,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:49,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:49,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:49,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:49,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:18:49,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:49,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:49,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:49,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:49,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:49,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:49,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:50,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:50,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:50,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:18:50,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:50,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-14 03:18:50,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:50,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:50,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:50,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:50,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 03:18:50,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:50,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:18:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:50,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:50,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:50,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:18:50,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:50,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 03:18:50,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:50,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:50,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:50,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:18:50,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 03:18:50,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:50,492 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 185 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:18:50,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1359048827] [2020-10-14 03:18:50,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:50,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:18:50,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853898093] [2020-10-14 03:18:50,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:18:50,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:50,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:18:50,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:18:50,497 INFO L87 Difference]: Start difference. First operand 746 states and 856 transitions. Second operand 7 states. [2020-10-14 03:18:52,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:52,016 INFO L93 Difference]: Finished difference Result 2088 states and 2509 transitions. [2020-10-14 03:18:52,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:18:52,017 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 317 [2020-10-14 03:18:52,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:52,028 INFO L225 Difference]: With dead ends: 2088 [2020-10-14 03:18:52,029 INFO L226 Difference]: Without dead ends: 1348 [2020-10-14 03:18:52,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:18:52,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2020-10-14 03:18:52,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 1124. [2020-10-14 03:18:52,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2020-10-14 03:18:52,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1266 transitions. [2020-10-14 03:18:52,086 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1266 transitions. Word has length 317 [2020-10-14 03:18:52,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:52,088 INFO L479 AbstractCegarLoop]: Abstraction has 1124 states and 1266 transitions. [2020-10-14 03:18:52,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:18:52,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1266 transitions. [2020-10-14 03:18:52,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-10-14 03:18:52,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:52,093 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:18:52,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 03:18:52,094 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:52,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:52,094 INFO L82 PathProgramCache]: Analyzing trace with hash -442702812, now seen corresponding path program 1 times [2020-10-14 03:18:52,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:52,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [743861778] [2020-10-14 03:18:52,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:52,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:52,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:53,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:54,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:57,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:57,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 341 [2020-10-14 03:18:57,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:18:57,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 03:18:57,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:57,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:57,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:57,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 277 [2020-10-14 03:18:57,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-14 03:18:57,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:57,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:57,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:57,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:57,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:57,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:57,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:18:57,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:57,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:57,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:57,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:57,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:57,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:57,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:57,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:57,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:57,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:18:57,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:57,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 03:18:57,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:57,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:57,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:57,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:57,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:57,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:57,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:18:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:57,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:57,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:57,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:18:57,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:57,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 03:18:57,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:57,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:57,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:57,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:57,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 03:18:57,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:57,608 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 115 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-14 03:18:57,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [743861778] [2020-10-14 03:18:57,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:57,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 03:18:57,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166107107] [2020-10-14 03:18:57,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 03:18:57,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:57,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 03:18:57,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:18:57,611 INFO L87 Difference]: Start difference. First operand 1124 states and 1266 transitions. Second operand 6 states. [2020-10-14 03:18:59,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:59,498 INFO L93 Difference]: Finished difference Result 1504 states and 1735 transitions. [2020-10-14 03:18:59,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 03:18:59,498 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 329 [2020-10-14 03:18:59,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:59,508 INFO L225 Difference]: With dead ends: 1504 [2020-10-14 03:18:59,509 INFO L226 Difference]: Without dead ends: 1502 [2020-10-14 03:18:59,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:18:59,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2020-10-14 03:18:59,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1124. [2020-10-14 03:18:59,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2020-10-14 03:18:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1266 transitions. [2020-10-14 03:18:59,552 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1266 transitions. Word has length 329 [2020-10-14 03:18:59,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:59,553 INFO L479 AbstractCegarLoop]: Abstraction has 1124 states and 1266 transitions. [2020-10-14 03:18:59,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 03:18:59,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1266 transitions. [2020-10-14 03:18:59,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-10-14 03:18:59,559 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:59,560 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:18:59,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 03:18:59,560 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:59,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:59,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1981510088, now seen corresponding path program 1 times [2020-10-14 03:18:59,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:59,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [774151418] [2020-10-14 03:18:59,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:59,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:59,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:00,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:02,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:04,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:04,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 347 [2020-10-14 03:19:04,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:19:04,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-14 03:19:04,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:04,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:04,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:04,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 283 [2020-10-14 03:19:04,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-14 03:19:04,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:04,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:04,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:04,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:04,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:04,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:04,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 03:19:04,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:04,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:04,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:04,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:04,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:04,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:04,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:04,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:04,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:04,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:19:04,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:04,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 03:19:04,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:04,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:04,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:04,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:04,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:04,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:04,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:19:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:04,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:04,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:04,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 03:19:04,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:04,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 03:19:04,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:04,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:04,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:04,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:04,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 03:19:04,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:19:05,110 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 115 proven. 2 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-14 03:19:05,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [774151418] [2020-10-14 03:19:05,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:05,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:19:05,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126297626] [2020-10-14 03:19:05,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:19:05,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:05,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:19:05,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:19:05,114 INFO L87 Difference]: Start difference. First operand 1124 states and 1266 transitions. Second operand 5 states. [2020-10-14 03:19:06,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:06,219 INFO L93 Difference]: Finished difference Result 2806 states and 3251 transitions. [2020-10-14 03:19:06,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:19:06,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 335 [2020-10-14 03:19:06,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:06,229 INFO L225 Difference]: With dead ends: 2806 [2020-10-14 03:19:06,230 INFO L226 Difference]: Without dead ends: 1688 [2020-10-14 03:19:06,233 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:19:06,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2020-10-14 03:19:06,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1496. [2020-10-14 03:19:06,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1496 states. [2020-10-14 03:19:06,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 1687 transitions. [2020-10-14 03:19:06,283 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 1687 transitions. Word has length 335 [2020-10-14 03:19:06,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:06,284 INFO L479 AbstractCegarLoop]: Abstraction has 1496 states and 1687 transitions. [2020-10-14 03:19:06,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:19:06,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1687 transitions. [2020-10-14 03:19:06,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2020-10-14 03:19:06,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:06,292 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-10-14 03:19:06,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 03:19:06,293 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:06,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:06,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1890131914, now seen corresponding path program 1 times [2020-10-14 03:19:06,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:06,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [619311808] [2020-10-14 03:19:06,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:06,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:06,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:06,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:06,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:11,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:11,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 410 [2020-10-14 03:19:11,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:19:11,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 03:19:11,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:11,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:11,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:11,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 270 [2020-10-14 03:19:11,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 03:19:11,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:11,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:11,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:11,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:11,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:11,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:11,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:19:11,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:11,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:11,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:11,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:11,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:11,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:11,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:11,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:11,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:11,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:19:11,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:11,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 03:19:11,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:11,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:11,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:11,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:11,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:11,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:11,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:19:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:11,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:11,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:11,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 03:19:11,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:11,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 03:19:11,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:11,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:11,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:11,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:11,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:19:11,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:11,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-14 03:19:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:11,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:11,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:11,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:19:11,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:11,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 03:19:11,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:11,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:11,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:11,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:19:11,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 03:19:11,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:11,747 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 318 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-14 03:19:11,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [619311808] [2020-10-14 03:19:11,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:11,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:19:11,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567195178] [2020-10-14 03:19:11,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:19:11,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:11,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:19:11,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:19:11,751 INFO L87 Difference]: Start difference. First operand 1496 states and 1687 transitions. Second operand 7 states. [2020-10-14 03:19:13,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:13,400 INFO L93 Difference]: Finished difference Result 3620 states and 4328 transitions. [2020-10-14 03:19:13,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:19:13,401 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 396 [2020-10-14 03:19:13,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:13,416 INFO L225 Difference]: With dead ends: 3620 [2020-10-14 03:19:13,417 INFO L226 Difference]: Without dead ends: 2130 [2020-10-14 03:19:13,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 1 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 03:19:13,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2020-10-14 03:19:13,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 2064. [2020-10-14 03:19:13,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2064 states. [2020-10-14 03:19:13,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 2064 states and 2308 transitions. [2020-10-14 03:19:13,508 INFO L78 Accepts]: Start accepts. Automaton has 2064 states and 2308 transitions. Word has length 396 [2020-10-14 03:19:13,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:13,509 INFO L479 AbstractCegarLoop]: Abstraction has 2064 states and 2308 transitions. [2020-10-14 03:19:13,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:19:13,509 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 2308 transitions. [2020-10-14 03:19:13,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2020-10-14 03:19:13,521 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:13,521 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:19:13,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 03:19:13,522 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:13,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:13,523 INFO L82 PathProgramCache]: Analyzing trace with hash 416552447, now seen corresponding path program 1 times [2020-10-14 03:19:13,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:13,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454879565] [2020-10-14 03:19:13,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:13,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:13,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:13,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:14,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:14,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:18,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:18,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 417 [2020-10-14 03:19:18,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:19:18,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 03:19:18,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:18,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:18,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:18,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 277 [2020-10-14 03:19:18,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 03:19:18,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:18,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:18,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:18,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:18,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:18,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:18,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:19:18,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:18,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:18,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:18,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:18,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:18,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:18,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:18,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:18,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:18,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:19:18,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:18,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 03:19:18,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:18,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:18,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:18,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:18,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:18,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:18,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:19:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:18,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:18,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:18,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:19:18,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:18,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:19:18,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:18,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:18,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:18,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:18,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 03:19:18,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:18,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-10-14 03:19:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:18,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:18,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:18,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:19:18,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:18,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 03:19:18,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:18,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:18,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:18,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:19:18,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 03:19:18,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:19,019 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 318 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-14 03:19:19,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454879565] [2020-10-14 03:19:19,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:19,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:19:19,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879038599] [2020-10-14 03:19:19,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:19:19,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:19,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:19:19,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:19:19,026 INFO L87 Difference]: Start difference. First operand 2064 states and 2308 transitions. Second operand 7 states. [2020-10-14 03:19:20,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:20,491 INFO L93 Difference]: Finished difference Result 5072 states and 5768 transitions. [2020-10-14 03:19:20,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:19:20,492 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 403 [2020-10-14 03:19:20,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:20,502 INFO L225 Difference]: With dead ends: 5072 [2020-10-14 03:19:20,502 INFO L226 Difference]: Without dead ends: 2086 [2020-10-14 03:19:20,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 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 03:19:20,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2086 states. [2020-10-14 03:19:20,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2086 to 2064. [2020-10-14 03:19:20,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2064 states. [2020-10-14 03:19:20,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 2064 states and 2271 transitions. [2020-10-14 03:19:20,572 INFO L78 Accepts]: Start accepts. Automaton has 2064 states and 2271 transitions. Word has length 403 [2020-10-14 03:19:20,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:20,573 INFO L479 AbstractCegarLoop]: Abstraction has 2064 states and 2271 transitions. [2020-10-14 03:19:20,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:19:20,573 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 2271 transitions. [2020-10-14 03:19:20,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2020-10-14 03:19:20,578 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:20,579 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:19:20,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 03:19:20,579 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:20,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:20,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1247450899, now seen corresponding path program 1 times [2020-10-14 03:19:20,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:20,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567834905] [2020-10-14 03:19:20,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:20,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:20,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:20,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:21,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:21,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:25,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:25,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 423 [2020-10-14 03:19:25,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:19:25,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-14 03:19:25,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:25,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:25,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:25,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 283 [2020-10-14 03:19:25,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 03:19:25,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:25,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:25,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:25,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:25,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:25,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:25,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 03:19:25,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:25,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:25,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:25,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:25,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:25,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:25,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:25,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:25,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:25,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:19:25,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:25,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 03:19:25,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:25,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:25,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:25,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:19:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:25,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:25,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:25,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 03:19:25,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:25,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 03:19:25,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:25,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:25,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:25,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:25,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 03:19:25,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:25,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2020-10-14 03:19:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:25,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:25,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:25,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:19:25,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:25,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 03:19:25,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:25,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:25,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:25,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:19:25,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 03:19:25,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:26,063 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 318 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-14 03:19:26,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567834905] [2020-10-14 03:19:26,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:26,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:19:26,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815122751] [2020-10-14 03:19:26,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:19:26,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:26,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:19:26,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:19:26,068 INFO L87 Difference]: Start difference. First operand 2064 states and 2271 transitions. Second operand 8 states. [2020-10-14 03:19:27,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:27,898 INFO L93 Difference]: Finished difference Result 4512 states and 4983 transitions. [2020-10-14 03:19:27,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 03:19:27,899 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 409 [2020-10-14 03:19:27,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:27,909 INFO L225 Difference]: With dead ends: 4512 [2020-10-14 03:19:27,909 INFO L226 Difference]: Without dead ends: 1898 [2020-10-14 03:19:27,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-14 03:19:27,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1898 states. [2020-10-14 03:19:27,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1898 to 1874. [2020-10-14 03:19:27,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1874 states. [2020-10-14 03:19:27,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1874 states and 1994 transitions. [2020-10-14 03:19:27,976 INFO L78 Accepts]: Start accepts. Automaton has 1874 states and 1994 transitions. Word has length 409 [2020-10-14 03:19:27,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:27,977 INFO L479 AbstractCegarLoop]: Abstraction has 1874 states and 1994 transitions. [2020-10-14 03:19:27,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:19:27,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 1994 transitions. [2020-10-14 03:19:27,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2020-10-14 03:19:27,982 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:27,983 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:19:27,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 03:19:27,984 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:27,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:27,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1539122241, now seen corresponding path program 1 times [2020-10-14 03:19:27,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:27,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1535525617] [2020-10-14 03:19:27,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:28,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:28,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:28,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:30,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:31,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:33,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:33,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 449 [2020-10-14 03:19:33,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:19:33,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 03:19:33,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:33,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:33,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:33,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 309 [2020-10-14 03:19:33,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 03:19:33,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:33,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:33,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:33,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:33,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:33,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:33,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:19:33,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:33,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:33,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:33,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:33,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:33,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:33,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:33,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:33,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:33,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:19:33,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:33,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:19:33,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:33,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:33,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:33,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:33,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:33,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:33,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:19:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:33,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:33,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:33,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:19:33,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:33,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 03:19:33,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:33,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 03:19:33,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:33,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2020-10-14 03:19:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:33,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:33,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:33,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:19:33,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:33,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 03:19:33,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:33,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:33,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:33,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:19:33,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 03:19:33,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:33,512 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 318 proven. 2 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-10-14 03:19:33,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1535525617] [2020-10-14 03:19:33,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:33,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:19:33,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344267002] [2020-10-14 03:19:33,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:19:33,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:33,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:19:33,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:19:33,514 INFO L87 Difference]: Start difference. First operand 1874 states and 1994 transitions. Second operand 7 states. [2020-10-14 03:19:34,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:34,739 INFO L93 Difference]: Finished difference Result 4222 states and 4810 transitions. [2020-10-14 03:19:34,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:19:34,741 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 435 [2020-10-14 03:19:34,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:34,755 INFO L225 Difference]: With dead ends: 4222 [2020-10-14 03:19:34,755 INFO L226 Difference]: Without dead ends: 2354 [2020-10-14 03:19:34,761 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:19:34,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2354 states. [2020-10-14 03:19:34,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2354 to 2246. [2020-10-14 03:19:34,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2246 states. [2020-10-14 03:19:34,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 2246 states and 2393 transitions. [2020-10-14 03:19:34,822 INFO L78 Accepts]: Start accepts. Automaton has 2246 states and 2393 transitions. Word has length 435 [2020-10-14 03:19:34,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:34,822 INFO L479 AbstractCegarLoop]: Abstraction has 2246 states and 2393 transitions. [2020-10-14 03:19:34,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:19:34,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 2393 transitions. [2020-10-14 03:19:34,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2020-10-14 03:19:34,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:34,830 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 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] [2020-10-14 03:19:34,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 03:19:34,830 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:34,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:34,831 INFO L82 PathProgramCache]: Analyzing trace with hash 891694762, now seen corresponding path program 1 times [2020-10-14 03:19:34,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:34,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [986330460] [2020-10-14 03:19:34,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:34,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:35,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:35,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:36,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:39,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:39,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 569 [2020-10-14 03:19:39,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:19:39,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-14 03:19:39,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:39,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:39,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:39,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 03:19:39,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:19:39,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:40,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:40,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:40,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:40,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:40,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:40,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:19:40,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:40,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:40,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:40,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:40,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:40,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:40,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:40,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:40,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:40,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:19:40,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:40,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 03:19:40,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:40,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:40,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:40,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:40,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 03:19:40,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:40,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:19:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:40,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:40,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:40,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:19:40,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:40,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-14 03:19:40,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:40,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:40,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:40,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:19:40,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:19:40,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:40,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-10-14 03:19:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:40,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:40,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:40,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:19:40,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:40,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 03:19:40,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:40,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:40,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:40,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-14 03:19:40,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:40,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:40,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-10-14 03:19:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:40,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:40,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:40,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:19:40,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:40,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 03:19:40,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:40,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 03:19:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:40,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 342 proven. 197 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2020-10-14 03:19:40,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [986330460] [2020-10-14 03:19:40,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:40,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:19:40,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226691562] [2020-10-14 03:19:40,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:19:40,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:40,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:19:40,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:19:40,868 INFO L87 Difference]: Start difference. First operand 2246 states and 2393 transitions. Second operand 7 states. [2020-10-14 03:19:42,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:42,093 INFO L93 Difference]: Finished difference Result 5416 states and 5829 transitions. [2020-10-14 03:19:42,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:19:42,094 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 553 [2020-10-14 03:19:42,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:42,107 INFO L225 Difference]: With dead ends: 5416 [2020-10-14 03:19:42,107 INFO L226 Difference]: Without dead ends: 3176 [2020-10-14 03:19:42,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:19:42,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3176 states. [2020-10-14 03:19:42,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3176 to 3164. [2020-10-14 03:19:42,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3164 states. [2020-10-14 03:19:42,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 3375 transitions. [2020-10-14 03:19:42,183 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 3375 transitions. Word has length 553 [2020-10-14 03:19:42,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:42,183 INFO L479 AbstractCegarLoop]: Abstraction has 3164 states and 3375 transitions. [2020-10-14 03:19:42,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:19:42,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 3375 transitions. [2020-10-14 03:19:42,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2020-10-14 03:19:42,191 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:42,192 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:19:42,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 03:19:42,192 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:42,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:42,193 INFO L82 PathProgramCache]: Analyzing trace with hash 393393120, now seen corresponding path program 1 times [2020-10-14 03:19:42,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:42,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1220299334] [2020-10-14 03:19:42,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:42,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:42,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:42,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:42,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:47,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:47,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 593 [2020-10-14 03:19:47,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:19:47,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 03:19:47,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:47,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:47,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:47,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-14 03:19:47,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:19:47,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:47,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:47,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:47,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:47,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:47,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:47,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:19:47,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:47,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:47,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:47,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:47,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:47,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:47,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:47,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:47,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:47,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:19:47,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:47,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 03:19:47,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:47,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:47,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:47,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:47,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 03:19:47,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:47,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 03:19:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:47,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:47,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:47,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:19:47,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:47,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-14 03:19:47,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:47,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:47,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:47,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:19:47,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:19:47,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:47,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-10-14 03:19:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:47,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:47,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:47,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:19:47,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:47,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 03:19:47,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:47,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:47,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:47,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 03:19:47,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:47,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:47,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-10-14 03:19:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:47,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:47,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:47,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:19:47,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:47,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:19:47,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:47,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:47,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:47,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 03:19:47,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:47,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:48,001 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 366 proven. 197 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2020-10-14 03:19:48,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1220299334] [2020-10-14 03:19:48,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:48,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:19:48,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63390429] [2020-10-14 03:19:48,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:19:48,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:48,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:19:48,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:19:48,004 INFO L87 Difference]: Start difference. First operand 3164 states and 3375 transitions. Second operand 8 states. [2020-10-14 03:19:49,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:49,863 INFO L93 Difference]: Finished difference Result 7246 states and 7766 transitions. [2020-10-14 03:19:49,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:19:49,865 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 577 [2020-10-14 03:19:49,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:49,880 INFO L225 Difference]: With dead ends: 7246 [2020-10-14 03:19:49,881 INFO L226 Difference]: Without dead ends: 3894 [2020-10-14 03:19:49,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 03:19:49,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3894 states. [2020-10-14 03:19:49,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3894 to 3710. [2020-10-14 03:19:49,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3710 states. [2020-10-14 03:19:49,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 3710 states and 3889 transitions. [2020-10-14 03:19:49,968 INFO L78 Accepts]: Start accepts. Automaton has 3710 states and 3889 transitions. Word has length 577 [2020-10-14 03:19:49,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:49,969 INFO L479 AbstractCegarLoop]: Abstraction has 3710 states and 3889 transitions. [2020-10-14 03:19:49,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:19:49,970 INFO L276 IsEmpty]: Start isEmpty. Operand 3710 states and 3889 transitions. [2020-10-14 03:19:49,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2020-10-14 03:19:49,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:49,984 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:19:49,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 03:19:49,985 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:49,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:49,985 INFO L82 PathProgramCache]: Analyzing trace with hash -632205106, now seen corresponding path program 1 times [2020-10-14 03:19:49,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:49,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177876398] [2020-10-14 03:19:49,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:50,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:50,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:50,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:53,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:53,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:55,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:55,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 748 [2020-10-14 03:19:55,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:19:55,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-14 03:19:55,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:55,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:55,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:55,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 298 [2020-10-14 03:19:55,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:19:55,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:55,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:55,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:55,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:55,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:55,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:55,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:19:55,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:55,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:55,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:55,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:55,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:55,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:55,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:55,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:55,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:55,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:19:55,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:55,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:19:55,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:55,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:55,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:55,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:55,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:55,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:55,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:19:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:55,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:55,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:55,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:19:55,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:55,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 03:19:55,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:55,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:55,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:55,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:55,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-14 03:19:55,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:55,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2020-10-14 03:19:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:55,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:55,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:55,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:19:55,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:55,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-14 03:19:55,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:55,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:55,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:55,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:19:55,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:19:55,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:55,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2020-10-14 03:19:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:55,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:55,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:55,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:19:55,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:55,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 03:19:55,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:55,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:55,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:55,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 03:19:55,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:55,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:55,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2020-10-14 03:19:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:55,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:55,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:55,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:19:55,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:55,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:19:55,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:55,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:55,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:55,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 03:19:55,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:55,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:55,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 586 proven. 197 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2020-10-14 03:19:55,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [177876398] [2020-10-14 03:19:55,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:55,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:19:55,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113514428] [2020-10-14 03:19:55,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:19:55,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:55,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:19:55,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:19:55,950 INFO L87 Difference]: Start difference. First operand 3710 states and 3889 transitions. Second operand 7 states. [2020-10-14 03:19:57,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:57,149 INFO L93 Difference]: Finished difference Result 7606 states and 7989 transitions. [2020-10-14 03:19:57,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:19:57,149 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 730 [2020-10-14 03:19:57,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:57,164 INFO L225 Difference]: With dead ends: 7606 [2020-10-14 03:19:57,164 INFO L226 Difference]: Without dead ends: 4084 [2020-10-14 03:19:57,171 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:19:57,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4084 states. [2020-10-14 03:19:57,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4084 to 3892. [2020-10-14 03:19:57,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3892 states. [2020-10-14 03:19:57,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3892 states to 3892 states and 4082 transitions. [2020-10-14 03:19:57,242 INFO L78 Accepts]: Start accepts. Automaton has 3892 states and 4082 transitions. Word has length 730 [2020-10-14 03:19:57,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:57,243 INFO L479 AbstractCegarLoop]: Abstraction has 3892 states and 4082 transitions. [2020-10-14 03:19:57,243 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:19:57,243 INFO L276 IsEmpty]: Start isEmpty. Operand 3892 states and 4082 transitions. [2020-10-14 03:19:57,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 807 [2020-10-14 03:19:57,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:57,255 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 03:19:57,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 03:19:57,255 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:57,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:57,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1503031877, now seen corresponding path program 1 times [2020-10-14 03:19:57,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:57,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1229111966] [2020-10-14 03:19:57,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:57,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:57,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:57,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:57,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:02,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:02,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 826 [2020-10-14 03:20:02,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:20:02,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 03:20:02,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:02,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:02,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:02,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 03:20:02,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:20:02,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:02,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:02,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:02,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:02,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:02,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:02,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:20:02,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:02,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:02,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:02,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:02,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:02,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:02,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:02,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:02,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:02,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:20:02,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:02,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 03:20:02,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:02,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:02,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:02,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:02,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 03:20:02,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:02,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:20:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:02,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:02,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:02,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:20:02,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:02,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-14 03:20:02,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:02,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:02,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:02,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:20:02,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 03:20:02,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:02,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2020-10-14 03:20:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:02,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:02,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:02,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:20:02,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:02,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:20:02,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:02,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:02,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:02,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 03:20:02,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:02,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:02,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2020-10-14 03:20:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:02,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:02,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:02,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:20:02,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:02,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 03:20:02,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:02,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:02,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:02,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 03:20:02,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:02,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:02,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2020-10-14 03:20:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:02,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:02,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:02,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:20:02,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:02,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 03:20:02,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:02,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:02,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:02,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 03:20:02,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:02,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:02,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2020-10-14 03:20:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:02,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:02,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:02,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:20:02,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:02,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 03:20:02,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:02,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:02,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:02,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 03:20:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:02,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:03,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1774 backedges. 464 proven. 444 refuted. 0 times theorem prover too weak. 866 trivial. 0 not checked. [2020-10-14 03:20:03,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1229111966] [2020-10-14 03:20:03,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:03,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:20:03,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978628964] [2020-10-14 03:20:03,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:20:03,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:03,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:20:03,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:20:03,386 INFO L87 Difference]: Start difference. First operand 3892 states and 4082 transitions. Second operand 7 states. [2020-10-14 03:20:04,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:04,555 INFO L93 Difference]: Finished difference Result 7778 states and 8190 transitions. [2020-10-14 03:20:04,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:20:04,556 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 806 [2020-10-14 03:20:04,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:04,569 INFO L225 Difference]: With dead ends: 7778 [2020-10-14 03:20:04,569 INFO L226 Difference]: Without dead ends: 4074 [2020-10-14 03:20:04,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:20:04,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4074 states. [2020-10-14 03:20:04,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4074 to 4074. [2020-10-14 03:20:04,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4074 states. [2020-10-14 03:20:04,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4074 states to 4074 states and 4274 transitions. [2020-10-14 03:20:04,641 INFO L78 Accepts]: Start accepts. Automaton has 4074 states and 4274 transitions. Word has length 806 [2020-10-14 03:20:04,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:04,641 INFO L479 AbstractCegarLoop]: Abstraction has 4074 states and 4274 transitions. [2020-10-14 03:20:04,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:20:04,641 INFO L276 IsEmpty]: Start isEmpty. Operand 4074 states and 4274 transitions. [2020-10-14 03:20:04,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 940 [2020-10-14 03:20:04,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:04,655 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:20:04,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 03:20:04,655 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:04,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:04,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1205324695, now seen corresponding path program 1 times [2020-10-14 03:20:04,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:04,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1157031739] [2020-10-14 03:20:04,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:04,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:05,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:05,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:09,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:09,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 961 [2020-10-14 03:20:09,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:20:09,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 03:20:09,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:09,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:09,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:09,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 03:20:09,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:20:09,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:09,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:09,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:09,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:09,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:09,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:09,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:20:09,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:09,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:09,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:09,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:09,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:09,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:09,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:09,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:09,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:09,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:20:09,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:09,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:20:09,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:09,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:09,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:09,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:09,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:09,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:09,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:20:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:09,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:10,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:10,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:20:10,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:10,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:20:10,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:10,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:10,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:10,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:10,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:10,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:10,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:20:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:10,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:10,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:10,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:20:10,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:10,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:20:10,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:10,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:10,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:10,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:10,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:10,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:10,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:20:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:10,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:10,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:10,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:20:10,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:10,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 03:20:10,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:10,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:10,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:10,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:10,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 03:20:10,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:10,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 03:20:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:10,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:10,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:10,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:20:10,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:10,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-14 03:20:10,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:10,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:10,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:10,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:20:10,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:20:10,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:10,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-10-14 03:20:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:10,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:10,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:10,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:20:10,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:10,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 03:20:10,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:10,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:10,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:10,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 03:20:10,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:10,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:10,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2020-10-14 03:20:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:10,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:10,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:10,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:20:10,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:10,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:20:10,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:10,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:10,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:10,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 03:20:10,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:10,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:10,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2592 backedges. 929 proven. 197 refuted. 0 times theorem prover too weak. 1466 trivial. 0 not checked. [2020-10-14 03:20:10,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1157031739] [2020-10-14 03:20:10,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:10,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:20:10,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546484843] [2020-10-14 03:20:10,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:20:10,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:10,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:20:10,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:20:10,931 INFO L87 Difference]: Start difference. First operand 4074 states and 4274 transitions. Second operand 7 states. [2020-10-14 03:20:12,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:12,057 INFO L93 Difference]: Finished difference Result 8336 states and 8752 transitions. [2020-10-14 03:20:12,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:20:12,063 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 939 [2020-10-14 03:20:12,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:12,075 INFO L225 Difference]: With dead ends: 8336 [2020-10-14 03:20:12,076 INFO L226 Difference]: Without dead ends: 4450 [2020-10-14 03:20:12,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:20:12,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4450 states. [2020-10-14 03:20:12,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4450 to 4258. [2020-10-14 03:20:12,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4258 states. [2020-10-14 03:20:12,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4258 states to 4258 states and 4464 transitions. [2020-10-14 03:20:12,147 INFO L78 Accepts]: Start accepts. Automaton has 4258 states and 4464 transitions. Word has length 939 [2020-10-14 03:20:12,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:12,148 INFO L479 AbstractCegarLoop]: Abstraction has 4258 states and 4464 transitions. [2020-10-14 03:20:12,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:20:12,148 INFO L276 IsEmpty]: Start isEmpty. Operand 4258 states and 4464 transitions. [2020-10-14 03:20:12,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1115 [2020-10-14 03:20:12,165 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:12,166 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:20:12,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 03:20:12,166 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:12,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:12,167 INFO L82 PathProgramCache]: Analyzing trace with hash 872067216, now seen corresponding path program 1 times [2020-10-14 03:20:12,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:12,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759333263] [2020-10-14 03:20:12,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:12,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:13,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:17,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:17,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:17,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1140 [2020-10-14 03:20:17,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:20:17,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 03:20:17,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:17,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:17,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:17,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1076 [2020-10-14 03:20:17,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-14 03:20:17,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:17,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:17,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:17,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:17,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:17,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:17,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:20:17,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:17,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:17,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:17,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:17,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:17,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:17,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:17,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:17,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:17,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:20:17,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:17,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:20:17,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:17,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:17,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:17,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:17,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:17,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:17,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:20:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:17,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:17,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:17,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:20:17,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:17,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:20:17,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:17,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:17,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:17,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:17,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:17,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:17,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:20:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:17,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:17,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:17,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:20:17,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:17,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:20:17,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:17,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:17,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:17,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:17,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:17,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:17,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:20:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:17,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:17,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:17,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:20:17,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:17,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:20:17,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:17,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:17,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:17,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:17,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:17,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:17,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:20:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:17,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:17,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:17,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:20:17,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:17,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 03:20:17,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:17,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:17,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:17,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:17,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:17,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:17,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:20:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:17,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:17,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:17,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:20:17,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:17,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:20:17,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:17,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:17,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:17,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:17,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:17,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:17,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:20:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:17,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:17,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:17,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:20:17,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:17,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 03:20:17,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:17,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:17,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:17,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:20:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:17,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:17,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:17,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:20:17,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:17,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:20:17,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:17,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:17,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:17,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:17,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:17,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:17,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 984 [2020-10-14 03:20:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:17,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:17,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:17,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:20:17,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:17,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:20:17,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:17,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:17,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:17,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:17,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 03:20:17,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:18,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3890 backedges. 528 proven. 9 refuted. 0 times theorem prover too weak. 3353 trivial. 0 not checked. [2020-10-14 03:20:18,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759333263] [2020-10-14 03:20:18,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:18,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 03:20:18,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536346548] [2020-10-14 03:20:18,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 03:20:18,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:18,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 03:20:18,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:20:18,577 INFO L87 Difference]: Start difference. First operand 4258 states and 4464 transitions. Second operand 6 states. [2020-10-14 03:20:19,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:19,935 INFO L93 Difference]: Finished difference Result 8328 states and 8738 transitions. [2020-10-14 03:20:19,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 03:20:19,936 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1114 [2020-10-14 03:20:19,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:19,949 INFO L225 Difference]: With dead ends: 8328 [2020-10-14 03:20:19,950 INFO L226 Difference]: Without dead ends: 4258 [2020-10-14 03:20:19,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 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 03:20:19,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4258 states. [2020-10-14 03:20:20,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4258 to 4258. [2020-10-14 03:20:20,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4258 states. [2020-10-14 03:20:20,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4258 states to 4258 states and 4441 transitions. [2020-10-14 03:20:20,018 INFO L78 Accepts]: Start accepts. Automaton has 4258 states and 4441 transitions. Word has length 1114 [2020-10-14 03:20:20,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:20,020 INFO L479 AbstractCegarLoop]: Abstraction has 4258 states and 4441 transitions. [2020-10-14 03:20:20,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 03:20:20,020 INFO L276 IsEmpty]: Start isEmpty. Operand 4258 states and 4441 transitions. [2020-10-14 03:20:20,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1124 [2020-10-14 03:20:20,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:20,038 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:20:20,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 03:20:20,038 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:20,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:20,039 INFO L82 PathProgramCache]: Analyzing trace with hash 389095231, now seen corresponding path program 1 times [2020-10-14 03:20:20,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:20,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327890198] [2020-10-14 03:20:20,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:20,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:20,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:23,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:23,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:25,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:25,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1149 [2020-10-14 03:20:25,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:20:25,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5069 [2020-10-14 03:20:25,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:25,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:25,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:25,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1000 [2020-10-14 03:20:25,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:20:25,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:25,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:25,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:25,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:25,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:25,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:25,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:20:25,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:25,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:25,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:25,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:25,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:25,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:25,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:25,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:25,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:25,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:20:25,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:25,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:20:25,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:25,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:25,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:25,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:25,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:25,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:25,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:20:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:25,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:25,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:25,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:20:25,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:25,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:20:25,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:25,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:25,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:25,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:25,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:25,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:25,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:20:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:25,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:25,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:25,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:20:25,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:25,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:20:25,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:25,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:25,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:25,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:25,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:25,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:25,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:20:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:25,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:25,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:25,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:20:25,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:25,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:20:25,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:25,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:25,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:25,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:25,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:25,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:25,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:20:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:25,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:25,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:25,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:20:25,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:25,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 03:20:25,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:25,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:25,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:25,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:25,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:25,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:25,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:20:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:25,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:25,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:25,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:20:25,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:25,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:20:25,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:25,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:25,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:25,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:25,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:25,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:25,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:20:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:25,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:25,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:25,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:20:25,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:25,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 03:20:25,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:25,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:25,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:25,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:25,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:25,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:25,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:20:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:25,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:25,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:25,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:20:25,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:25,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 03:20:25,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:25,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:25,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:25,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:25,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 03:20:25,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:25,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 984 [2020-10-14 03:20:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:25,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:25,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:25,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:20:25,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:25,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 03:20:25,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:25,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:25,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:25,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:20:25,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 03:20:25,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:26,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3953 backedges. 1179 proven. 2 refuted. 0 times theorem prover too weak. 2772 trivial. 0 not checked. [2020-10-14 03:20:26,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327890198] [2020-10-14 03:20:26,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:26,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:20:26,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505453264] [2020-10-14 03:20:26,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:20:26,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:26,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:20:26,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:20:26,511 INFO L87 Difference]: Start difference. First operand 4258 states and 4441 transitions. Second operand 7 states. [2020-10-14 03:20:27,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:27,883 INFO L93 Difference]: Finished difference Result 8328 states and 8692 transitions. [2020-10-14 03:20:27,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:20:27,884 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1123 [2020-10-14 03:20:27,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:27,895 INFO L225 Difference]: With dead ends: 8328 [2020-10-14 03:20:27,895 INFO L226 Difference]: Without dead ends: 4074 [2020-10-14 03:20:27,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:20:27,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4074 states. [2020-10-14 03:20:27,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4074 to 4074. [2020-10-14 03:20:27,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4074 states. [2020-10-14 03:20:27,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4074 states to 4074 states and 4228 transitions. [2020-10-14 03:20:27,966 INFO L78 Accepts]: Start accepts. Automaton has 4074 states and 4228 transitions. Word has length 1123 [2020-10-14 03:20:27,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:27,968 INFO L479 AbstractCegarLoop]: Abstraction has 4074 states and 4228 transitions. [2020-10-14 03:20:27,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:20:27,968 INFO L276 IsEmpty]: Start isEmpty. Operand 4074 states and 4228 transitions. [2020-10-14 03:20:27,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1177 [2020-10-14 03:20:27,985 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:27,986 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:20:27,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 03:20:27,986 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:27,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:27,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1021573766, now seen corresponding path program 1 times [2020-10-14 03:20:27,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:27,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [523032570] [2020-10-14 03:20:27,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:28,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:28,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:29,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:30,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:33,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:33,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1202 [2020-10-14 03:20:33,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:20:33,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-14 03:20:33,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:33,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1138 [2020-10-14 03:20:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-14 03:20:33,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:33,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:33,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:33,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:33,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:33,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:33,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:20:33,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:33,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:33,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:33,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:33,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:33,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:33,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:33,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:33,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:33,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:20:33,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:33,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:20:33,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:33,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:33,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:33,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:33,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:33,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:33,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:20:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:33,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:33,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:33,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:20:33,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:33,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:20:33,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:33,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:33,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:33,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:20:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:33,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:33,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:33,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:20:33,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:33,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:20:33,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:33,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:33,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:33,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:20:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:33,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:33,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:33,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:20:33,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:33,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:20:33,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:33,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:33,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:33,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:33,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:33,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:33,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:20:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:33,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:33,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:33,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:20:33,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:33,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:20:33,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:33,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:33,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:33,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:33,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:33,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:33,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:20:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:33,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:33,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:33,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:20:33,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:33,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:20:33,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:33,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:33,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:33,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:33,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:33,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:33,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:20:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:33,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:33,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:33,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:20:33,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:33,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 03:20:33,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:33,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:33,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:33,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:33,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:33,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:33,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:20:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:33,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:33,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:33,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-14 03:20:33,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:33,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:20:33,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:33,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:33,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:33,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:33,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:33,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:33,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1037 [2020-10-14 03:20:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:33,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:33,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:33,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:20:33,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:33,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 03:20:33,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:33,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:33,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:33,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:33,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 03:20:33,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:34,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4055 backedges. 528 proven. 9 refuted. 0 times theorem prover too weak. 3518 trivial. 0 not checked. [2020-10-14 03:20:34,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [523032570] [2020-10-14 03:20:34,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:34,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:20:34,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975992195] [2020-10-14 03:20:34,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:20:34,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:34,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:20:34,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:20:34,343 INFO L87 Difference]: Start difference. First operand 4074 states and 4228 transitions. Second operand 5 states. [2020-10-14 03:20:35,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:35,202 INFO L93 Difference]: Finished difference Result 4256 states and 4414 transitions. [2020-10-14 03:20:35,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:20:35,203 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1176 [2020-10-14 03:20:35,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:35,206 INFO L225 Difference]: With dead ends: 4256 [2020-10-14 03:20:35,206 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 03:20:35,212 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 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 03:20:35,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 03:20:35,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 03:20:35,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 03:20:35,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 03:20:35,213 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1176 [2020-10-14 03:20:35,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:35,213 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 03:20:35,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:20:35,214 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 03:20:35,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 03:20:35,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 03:20:35,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 03:20:36,543 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 240 [2020-10-14 03:20:37,138 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 240 [2020-10-14 03:20:38,349 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 207 DAG size of output: 83 [2020-10-14 03:20:39,694 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 65 [2020-10-14 03:20:40,935 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 248 DAG size of output: 65 [2020-10-14 03:20:40,940 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:20:40,941 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 03:20:40,941 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:20:40,941 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 03:20:40,941 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 03:20:40,941 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,941 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,941 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,942 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 03:20:40,942 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 03:20:40,942 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 03:20:40,942 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 03:20:40,942 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 03:20:40,942 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 03:20:40,942 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 03:20:40,942 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 03:20:40,942 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,943 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,943 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,943 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 03:20:40,943 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 03:20:40,943 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 03:20:40,943 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 03:20:40,943 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 03:20:40,943 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 03:20:40,943 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 03:20:40,943 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 03:20:40,943 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,943 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,943 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,944 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 03:20:40,944 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 03:20:40,944 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 03:20:40,944 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 03:20:40,944 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 03:20:40,944 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 03:20:40,944 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 03:20:40,944 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 03:20:40,944 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 03:20:40,944 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,945 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,945 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,945 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 03:20:40,945 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 03:20:40,945 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 03:20:40,945 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 03:20:40,945 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 03:20:40,945 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 03:20:40,945 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 03:20:40,946 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,946 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,946 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,946 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 03:20:40,946 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 03:20:40,946 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 03:20:40,946 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 03:20:40,946 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 03:20:40,946 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 03:20:40,947 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 03:20:40,947 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 03:20:40,947 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 03:20:40,947 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,947 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,947 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,947 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,947 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 03:20:40,947 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 03:20:40,947 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 03:20:40,947 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 03:20:40,947 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 03:20:40,948 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 03:20:40,948 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 03:20:40,948 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 03:20:40,948 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,948 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,948 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,948 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 03:20:40,948 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 03:20:40,948 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 03:20:40,948 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 03:20:40,949 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 03:20:40,949 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 03:20:40,949 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 03:20:40,949 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 03:20:40,949 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,949 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,949 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,949 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 03:20:40,949 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 03:20:40,949 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 03:20:40,949 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 03:20:40,949 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 03:20:40,949 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 03:20:40,950 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse5 (= ~a24~0 |old(~a24~0)|)) (.cse10 (= ~a21~0 |old(~a21~0)|)) (.cse7 (= ~a12~0 |old(~a12~0)|)) (.cse9 (= ~a15~0 |old(~a15~0)|))) (let ((.cse3 (not (<= |old(~a12~0)| 75))) (.cse8 (not (<= |old(~a15~0)| 6))) (.cse4 (not (= 9 |old(~a21~0)|))) (.cse6 (= ~a21~0 9)) (.cse2 (not (<= 7 |old(~a15~0)|))) (.cse1 (not (<= 10 |old(~a21~0)|))) (.cse0 (and .cse5 .cse10 .cse7 .cse9))) (and (or .cse0 (not (= 7 |old(~a15~0)|))) (or .cse1 .cse0 .cse2 .cse3) (or .cse0 (not (<= 95374 |old(~a12~0)|)) .cse2) (or (not (= 8 |old(~a15~0)|)) .cse4 (and .cse5 (= ~a15~0 8) .cse6 .cse7) .cse3) (or .cse8 .cse0 (not (<= |old(~a21~0)| 6))) (or (not (<= 8 |old(~a21~0)|)) .cse0 (not (<= |old(~a21~0)| 8))) (or (and (<= ~a21~0 7) (<= 7 ~a21~0) .cse5 .cse7 .cse9) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) .cse2) (or .cse8 .cse4 (and .cse5 .cse6 .cse7 .cse9)) (or (not (<= 81 |old(~a12~0)|)) .cse0 (not (<= 9 |old(~a21~0)|)) .cse2) (or (not (= |old(~a24~0)| 1)) (and (= 5 ~a15~0) .cse10 (= ~a24~0 1) .cse7) (not (= 5 |old(~a15~0)|))) (or .cse1 .cse0 (not (<= |old(~a12~0)| 10)))))) [2020-10-14 03:20:40,950 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 03:20:40,950 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 03:20:40,950 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,950 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,951 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,951 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 03:20:40,951 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 03:20:40,951 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 03:20:40,951 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 03:20:40,951 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 03:20:40,951 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 03:20:40,951 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 03:20:40,951 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 03:20:40,951 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,951 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,951 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,951 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 03:20:40,952 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 03:20:40,952 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 03:20:40,952 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 03:20:40,952 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 03:20:40,952 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 03:20:40,952 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 03:20:40,952 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 03:20:40,952 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,952 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,952 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,952 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 03:20:40,952 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 03:20:40,952 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 03:20:40,952 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 03:20:40,952 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 03:20:40,953 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 03:20:40,953 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 03:20:40,953 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 03:20:40,953 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,953 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,953 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,953 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 03:20:40,953 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 03:20:40,953 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 03:20:40,953 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 03:20:40,953 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 03:20:40,953 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 03:20:40,953 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 03:20:40,953 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 03:20:40,953 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,954 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,954 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 03:20:40,954 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 03:20:40,954 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 03:20:40,954 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 03:20:40,954 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 03:20:40,954 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 03:20:40,954 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 03:20:40,954 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 03:20:40,954 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 178) no Hoare annotation was computed. [2020-10-14 03:20:40,954 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,954 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,954 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 03:20:40,954 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 03:20:40,954 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 03:20:40,955 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 03:20:40,955 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 03:20:40,955 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 03:20:40,955 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,955 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,955 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 03:20:40,955 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 03:20:40,955 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 03:20:40,955 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 03:20:40,955 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 03:20:40,955 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 03:20:40,955 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 03:20:40,955 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 03:20:40,955 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,955 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,955 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 03:20:40,956 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 03:20:40,956 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 03:20:40,956 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 03:20:40,956 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 03:20:40,956 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 03:20:40,956 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 03:20:40,956 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,956 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,956 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,956 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 03:20:40,956 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 03:20:40,956 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 03:20:40,956 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 03:20:40,956 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 03:20:40,956 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 03:20:40,956 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,957 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,957 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 03:20:40,957 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,957 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 03:20:40,957 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 03:20:40,957 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 03:20:40,957 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 03:20:40,957 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 03:20:40,957 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 03:20:40,957 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 03:20:40,957 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 03:20:40,957 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 03:20:40,957 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 03:20:40,957 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,957 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,957 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,958 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 03:20:40,958 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 03:20:40,958 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 03:20:40,958 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 03:20:40,958 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 03:20:40,958 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 03:20:40,958 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 03:20:40,958 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 03:20:40,958 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,958 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,958 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,958 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 03:20:40,958 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 03:20:40,959 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 03:20:40,959 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 03:20:40,959 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 03:20:40,959 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 03:20:40,959 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 03:20:40,959 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 03:20:40,959 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,959 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,959 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,959 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 03:20:40,959 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 03:20:40,959 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 03:20:40,960 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 03:20:40,960 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 03:20:40,960 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 03:20:40,960 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 03:20:40,960 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 03:20:40,960 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 03:20:40,960 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,960 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,960 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:40,960 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 03:20:40,960 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 03:20:40,960 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 03:20:40,960 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 03:20:40,960 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 03:20:40,960 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:20:40,961 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a15~0 8) (<= (+ ~a12~0 43) 0)) [2020-10-14 03:20:40,961 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 03:20:40,961 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:20:40,961 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|)) (not (<= (+ |old(~a12~0)| 43) 0))) [2020-10-14 03:20:40,961 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:20:40,961 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (<= ~a21~0 6)) (.cse2 (<= ~a15~0 6)) (.cse5 (= ~a21~0 9)) (.cse3 (or (not (= |old(~a24~0)| 1)) (not (= 5 |old(~a15~0)|)))) (.cse6 (<= ~a12~0 75)) (.cse4 (<= 7 ~a15~0)) (.cse0 (<= 10 ~a21~0))) (or (and (<= ~a12~0 10) .cse0) (not (= 8 |old(~a15~0)|)) (and .cse1 .cse2) (and (<= ~a21~0 7) (<= 7 ~a21~0) .cse3 .cse4) (and (<= 95374 ~a12~0) .cse1) (not (<= |old(~a21~0)| 7)) (and (= 5 ~a15~0) (= ~a24~0 1)) (= 7 ~a15~0) (and (<= 9 ~a21~0) (<= 81 ~a12~0) .cse4) (and .cse5 .cse2) (and (<= 8 ~a21~0) (<= ~a21~0 8)) (not (<= 7 |old(~a21~0)|)) (and .cse6 (= ~a15~0 8) .cse5) (and .cse3 .cse6 .cse4 .cse0) (not (<= (+ |old(~a12~0)| 43) 0)))) [2020-10-14 03:20:40,961 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 03:20:40,962 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 03:20:40,962 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (<= ~a21~0 6)) (.cse2 (<= ~a15~0 6)) (.cse5 (= ~a21~0 9)) (.cse3 (or (not (= |old(~a24~0)| 1)) (not (= 5 |old(~a15~0)|)))) (.cse6 (<= ~a12~0 75)) (.cse4 (<= 7 ~a15~0)) (.cse0 (<= 10 ~a21~0))) (or (and (<= ~a12~0 10) .cse0) (not (= 8 |old(~a15~0)|)) (and .cse1 .cse2) (and (<= ~a21~0 7) (<= 7 ~a21~0) .cse3 .cse4) (and (<= 95374 ~a12~0) .cse1) (not (<= |old(~a21~0)| 7)) (and (= 5 ~a15~0) (= ~a24~0 1)) (= 7 ~a15~0) (and (<= 9 ~a21~0) (<= 81 ~a12~0) .cse4) (and .cse5 .cse2) (and (<= 8 ~a21~0) (<= ~a21~0 8)) (not (<= 7 |old(~a21~0)|)) (and .cse6 (= ~a15~0 8) .cse5) (and .cse3 .cse6 .cse4 .cse0) (not (<= (+ |old(~a12~0)| 43) 0)))) [2020-10-14 03:20:40,962 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:20:40,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:20:40 BoogieIcfgContainer [2020-10-14 03:20:40,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 03:20:40,986 INFO L168 Benchmark]: Toolchain (without parser) took 133194.19 ms. Allocated memory was 147.3 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 101.3 MB in the beginning and 342.4 MB in the end (delta: -241.0 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2020-10-14 03:20:40,986 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 03:20:40,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 890.77 ms. Allocated memory was 147.3 MB in the beginning and 207.1 MB in the end (delta: 59.8 MB). Free memory was 100.9 MB in the beginning and 170.1 MB in the end (delta: -69.2 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2020-10-14 03:20:40,988 INFO L168 Benchmark]: Boogie Preprocessor took 123.60 ms. Allocated memory is still 207.1 MB. Free memory was 169.1 MB in the beginning and 164.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-14 03:20:40,988 INFO L168 Benchmark]: RCFGBuilder took 1664.66 ms. Allocated memory was 207.1 MB in the beginning and 236.5 MB in the end (delta: 29.4 MB). Free memory was 164.2 MB in the beginning and 153.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 77.3 MB. Max. memory is 7.1 GB. [2020-10-14 03:20:40,989 INFO L168 Benchmark]: TraceAbstraction took 130510.18 ms. Allocated memory was 236.5 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 151.9 MB in the beginning and 342.4 MB in the end (delta: -190.5 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2020-10-14 03:20:40,992 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 890.77 ms. Allocated memory was 147.3 MB in the beginning and 207.1 MB in the end (delta: 59.8 MB). Free memory was 100.9 MB in the beginning and 170.1 MB in the end (delta: -69.2 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.60 ms. Allocated memory is still 207.1 MB. Free memory was 169.1 MB in the beginning and 164.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1664.66 ms. Allocated memory was 207.1 MB in the beginning and 236.5 MB in the end (delta: 29.4 MB). Free memory was 164.2 MB in the beginning and 153.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 77.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 130510.18 ms. Allocated memory was 236.5 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 151.9 MB in the beginning and 342.4 MB in the end (delta: -190.5 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 178]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((((((((a12 <= 10 && 10 <= a21) || !(8 == \old(a15))) || (a21 <= 6 && a15 <= 6)) || (((a21 <= 7 && 7 <= a21) && (!(\old(a24) == 1) || !(5 == \old(a15)))) && 7 <= a15)) || (95374 <= a12 && a21 <= 6)) || !(\old(a21) <= 7)) || (5 == a15 && a24 == 1)) || 7 == a15) || ((9 <= a21 && 81 <= a12) && 7 <= a15)) || (a21 == 9 && a15 <= 6)) || (8 <= a21 && a21 <= 8)) || !(7 <= \old(a21))) || ((a12 <= 75 && a15 == 8) && a21 == 9)) || ((((!(\old(a24) == 1) || !(5 == \old(a15))) && a12 <= 75) && 7 <= a15) && 10 <= a21)) || !(\old(a12) + 43 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 124.6s, OverallIterations: 18, TraceHistogramMax: 10, AutomataDifference: 27.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 519 SDtfs, 10936 SDslu, 654 SDs, 0 SdLazy, 17565 SolverSat, 1568 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 383 GetRequests, 238 SyntacticMatches, 3 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4258occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 18 MinimizatonAttempts, 1614 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 231 PreInvPairs, 299 NumberOfFragments, 584 HoareAnnotationTreeSize, 231 FomulaSimplifications, 24477763 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 710637 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 90.1s InterpolantComputationTime, 10055 NumberOfCodeBlocks, 10055 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 10037 ConstructedInterpolants, 0 QuantifiedInterpolants, 11922227 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 1 PerfectInterpolantSequences, 20469/21738 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...