/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 21:44:19,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 21:44:19,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 21:44:19,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 21:44:19,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 21:44:19,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 21:44:19,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 21:44:19,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 21:44:19,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 21:44:19,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 21:44:19,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 21:44:19,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 21:44:19,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 21:44:19,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 21:44:19,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 21:44:19,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 21:44:19,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 21:44:19,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 21:44:19,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 21:44:19,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 21:44:19,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 21:44:19,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 21:44:19,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 21:44:19,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 21:44:19,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 21:44:19,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 21:44:19,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 21:44:19,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 21:44:19,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 21:44:19,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 21:44:19,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 21:44:19,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 21:44:19,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 21:44:19,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 21:44:19,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 21:44:19,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 21:44:19,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 21:44:19,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 21:44:19,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 21:44:19,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 21:44:19,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 21:44:19,293 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 21:44:19,331 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 21:44:19,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 21:44:19,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 21:44:19,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 21:44:19,338 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 21:44:19,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 21:44:19,338 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 21:44:19,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 21:44:19,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 21:44:19,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 21:44:19,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 21:44:19,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 21:44:19,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 21:44:19,340 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 21:44:19,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 21:44:19,342 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 21:44:19,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 21:44:19,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 21:44:19,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 21:44:19,343 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 21:44:19,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 21:44:19,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:44:19,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 21:44:19,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 21:44:19,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 21:44:19,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 21:44:19,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 21:44:19,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 21:44:19,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 21:44:19,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 21:44:19,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 21:44:19,653 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 21:44:19,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 21:44:19,658 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 21:44:19,659 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 21:44:19,660 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label26.c [2020-10-14 21:44:19,719 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/055bddce5/02fdc4efe5b145f4819b3e8ce75fe227/FLAGe37f799fa [2020-10-14 21:44:20,338 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 21:44:20,339 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label26.c [2020-10-14 21:44:20,353 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/055bddce5/02fdc4efe5b145f4819b3e8ce75fe227/FLAGe37f799fa [2020-10-14 21:44:20,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/055bddce5/02fdc4efe5b145f4819b3e8ce75fe227 [2020-10-14 21:44:20,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 21:44:20,591 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 21:44:20,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 21:44:20,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 21:44:20,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 21:44:20,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:44:20" (1/1) ... [2020-10-14 21:44:20,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67578ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:20, skipping insertion in model container [2020-10-14 21:44:20,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:44:20" (1/1) ... [2020-10-14 21:44:20,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 21:44:20,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 21:44:21,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:44:21,314 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 21:44:21,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:44:21,509 INFO L208 MainTranslator]: Completed translation [2020-10-14 21:44:21,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:21 WrapperNode [2020-10-14 21:44:21,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 21:44:21,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 21:44:21,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 21:44:21,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 21:44:21,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:21" (1/1) ... [2020-10-14 21:44:21,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:21" (1/1) ... [2020-10-14 21:44:21,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:21" (1/1) ... [2020-10-14 21:44:21,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:21" (1/1) ... [2020-10-14 21:44:21,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:21" (1/1) ... [2020-10-14 21:44:21,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:21" (1/1) ... [2020-10-14 21:44:21,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:21" (1/1) ... [2020-10-14 21:44:21,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 21:44:21,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 21:44:21,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 21:44:21,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 21:44:21,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:21" (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 21:44:21,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 21:44:21,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 21:44:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 21:44:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 21:44:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 21:44:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 21:44:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 21:44:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 21:44:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 21:44:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 21:44:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 21:44:23,380 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 21:44:23,381 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 21:44:23,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:44:23 BoogieIcfgContainer [2020-10-14 21:44:23,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 21:44:23,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 21:44:23,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 21:44:23,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 21:44:23,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:44:20" (1/3) ... [2020-10-14 21:44:23,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8b403b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:44:23, skipping insertion in model container [2020-10-14 21:44:23,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:21" (2/3) ... [2020-10-14 21:44:23,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8b403b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:44:23, skipping insertion in model container [2020-10-14 21:44:23,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:44:23" (3/3) ... [2020-10-14 21:44:23,397 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label26.c [2020-10-14 21:44:23,408 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 21:44:23,417 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 21:44:23,431 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 21:44:23,460 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 21:44:23,461 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 21:44:23,461 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 21:44:23,461 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 21:44:23,461 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 21:44:23,461 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 21:44:23,462 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 21:44:23,462 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 21:44:23,488 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 21:44:23,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-14 21:44:23,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:23,500 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:23,500 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:23,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:23,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1385105165, now seen corresponding path program 1 times [2020-10-14 21:44:23,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:23,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1553759517] [2020-10-14 21:44:23,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:23,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:24,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:24,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 21:44:24,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:24,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 462 [2020-10-14 21:44:24,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:24,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:44:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:44:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 21:44:24,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:44:24,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:24,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:24,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:24,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:24,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:24,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:44:24,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:24,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:24,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:24,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:24,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:44:24,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:24,385 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 21:44:24,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1553759517] [2020-10-14 21:44:24,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:44:24,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 21:44:24,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340359586] [2020-10-14 21:44:24,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:44:24,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:24,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:44:24,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:44:24,418 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-10-14 21:44:27,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:27,026 INFO L93 Difference]: Finished difference Result 886 states and 1612 transitions. [2020-10-14 21:44:27,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:44:27,028 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2020-10-14 21:44:27,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:27,071 INFO L225 Difference]: With dead ends: 886 [2020-10-14 21:44:27,072 INFO L226 Difference]: Without dead ends: 564 [2020-10-14 21:44:27,086 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 21:44:27,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-14 21:44:27,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-14 21:44:27,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-14 21:44:27,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 855 transitions. [2020-10-14 21:44:27,258 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 855 transitions. Word has length 72 [2020-10-14 21:44:27,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:27,260 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 855 transitions. [2020-10-14 21:44:27,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:44:27,260 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 855 transitions. [2020-10-14 21:44:27,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-14 21:44:27,276 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:27,277 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:27,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 21:44:27,278 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:27,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:27,278 INFO L82 PathProgramCache]: Analyzing trace with hash 799672317, now seen corresponding path program 1 times [2020-10-14 21:44:27,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:27,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069622699] [2020-10-14 21:44:27,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:27,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:27,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:28,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:28,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:28,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-14 21:44:28,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:44:28,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1355 [2020-10-14 21:44:28,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:28,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:28,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:28,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 21:44:28,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:44:28,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:44:28,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:28,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:28,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:28,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:28,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:28,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:44:28,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:28,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:28,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:28,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:28,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:28,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:28,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:28,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:28,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:28,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 21:44:28,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:28,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 21:44:28,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:28,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:28,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:28,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:28,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 21:44:28,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:28,904 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:44:28,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069622699] [2020-10-14 21:44:28,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:28,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:44:28,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060629699] [2020-10-14 21:44:28,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:44:28,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:28,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:44:28,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:44:28,908 INFO L87 Difference]: Start difference. First operand 560 states and 855 transitions. Second operand 6 states. [2020-10-14 21:44:31,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:31,369 INFO L93 Difference]: Finished difference Result 1486 states and 2326 transitions. [2020-10-14 21:44:31,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:44:31,370 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2020-10-14 21:44:31,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:31,377 INFO L225 Difference]: With dead ends: 1486 [2020-10-14 21:44:31,377 INFO L226 Difference]: Without dead ends: 932 [2020-10-14 21:44:31,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 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 21:44:31,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2020-10-14 21:44:31,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 928. [2020-10-14 21:44:31,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 928 states. [2020-10-14 21:44:31,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1355 transitions. [2020-10-14 21:44:31,417 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1355 transitions. Word has length 141 [2020-10-14 21:44:31,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:31,418 INFO L479 AbstractCegarLoop]: Abstraction has 928 states and 1355 transitions. [2020-10-14 21:44:31,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:44:31,418 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1355 transitions. [2020-10-14 21:44:31,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-14 21:44:31,422 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:31,422 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 21:44:31,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 21:44:31,423 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:31,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:31,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1327505399, now seen corresponding path program 1 times [2020-10-14 21:44:31,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:31,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2080902296] [2020-10-14 21:44:31,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:31,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:31,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:31,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:31,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:34,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:36,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:36,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-14 21:44:36,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:44:36,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 21:44:36,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:36,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:36,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:36,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 21:44:36,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:44:36,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:36,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:36,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:36,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:36,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:36,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:36,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:44:36,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:36,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:36,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:36,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:36,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:36,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:36,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:36,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:36,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:36,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 21:44:36,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:36,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 21:44:36,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:36,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:36,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:36,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:36,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 21:44:36,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:36,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 21:44:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:36,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:36,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:36,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:44:36,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:36,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 21:44:36,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:36,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:36,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:44:36,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:37,020 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:44:37,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2080902296] [2020-10-14 21:44:37,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:37,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:44:37,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958654485] [2020-10-14 21:44:37,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:37,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:37,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:37,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:37,027 INFO L87 Difference]: Start difference. First operand 928 states and 1355 transitions. Second operand 7 states. [2020-10-14 21:44:39,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:39,152 INFO L93 Difference]: Finished difference Result 2118 states and 3190 transitions. [2020-10-14 21:44:39,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:44:39,153 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 224 [2020-10-14 21:44:39,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:39,169 INFO L225 Difference]: With dead ends: 2118 [2020-10-14 21:44:39,170 INFO L226 Difference]: Without dead ends: 1002 [2020-10-14 21:44:39,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 21:44:39,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2020-10-14 21:44:39,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 754. [2020-10-14 21:44:39,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-10-14 21:44:39,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 992 transitions. [2020-10-14 21:44:39,260 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 992 transitions. Word has length 224 [2020-10-14 21:44:39,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:39,261 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 992 transitions. [2020-10-14 21:44:39,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:39,261 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 992 transitions. [2020-10-14 21:44:39,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-14 21:44:39,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:39,267 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:44:39,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 21:44:39,268 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:39,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:39,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1537507775, now seen corresponding path program 1 times [2020-10-14 21:44:39,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:39,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1803276828] [2020-10-14 21:44:39,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:39,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:39,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:39,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:39,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:43,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:44,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:44,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-14 21:44:44,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:44:44,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 21:44:44,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:44,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:44,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:44,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 21:44:44,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:44:44,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:44,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:44,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:44,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:44,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:44,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:44,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:44:44,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:44,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:44,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:44,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:44,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:44,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:44,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:44,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:44,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:44,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:44:44,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:44,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:44:44,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:44,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:44,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:44,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:44,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 21:44:44,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:44,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 21:44:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:44,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:44,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:44,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:44:44,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:44,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-14 21:44:44,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:44,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:44,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:44,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:44,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:44:44,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:44,725 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:44:44,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1803276828] [2020-10-14 21:44:44,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:44,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:44:44,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670495042] [2020-10-14 21:44:44,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:44,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:44,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:44,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:44,730 INFO L87 Difference]: Start difference. First operand 754 states and 992 transitions. Second operand 7 states. [2020-10-14 21:44:46,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:46,903 INFO L93 Difference]: Finished difference Result 2348 states and 3433 transitions. [2020-10-14 21:44:46,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:44:46,904 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 228 [2020-10-14 21:44:46,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:46,916 INFO L225 Difference]: With dead ends: 2348 [2020-10-14 21:44:46,917 INFO L226 Difference]: Without dead ends: 1400 [2020-10-14 21:44:46,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:44:46,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1400 states. [2020-10-14 21:44:46,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1400 to 1130. [2020-10-14 21:44:46,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1130 states. [2020-10-14 21:44:46,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 1295 transitions. [2020-10-14 21:44:46,978 INFO L78 Accepts]: Start accepts. Automaton has 1130 states and 1295 transitions. Word has length 228 [2020-10-14 21:44:46,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:46,979 INFO L479 AbstractCegarLoop]: Abstraction has 1130 states and 1295 transitions. [2020-10-14 21:44:46,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:46,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1295 transitions. [2020-10-14 21:44:46,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-10-14 21:44:46,985 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:46,985 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:46,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 21:44:46,986 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:46,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:46,986 INFO L82 PathProgramCache]: Analyzing trace with hash 996735152, now seen corresponding path program 1 times [2020-10-14 21:44:46,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:46,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082560114] [2020-10-14 21:44:46,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:47,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:47,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:47,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:47,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:52,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:52,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 343 [2020-10-14 21:44:52,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:44:52,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 21:44:52,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:52,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:52,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:44:52,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:44:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-14 21:44:52,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:52,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:52,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:52,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:52,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:52,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:52,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 21:44:52,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:52,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:44:52,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:52,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:52,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:52,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:52,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:44:52,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:52,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-14 21:44:52,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:52,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:52,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:52,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:52,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:44:52,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:52,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 21:44:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:52,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:52,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:52,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:44:52,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:52,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:44:52,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:52,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:52,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:52,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 21:44:52,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:52,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:52,771 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 130 proven. 75 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 21:44:52,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082560114] [2020-10-14 21:44:52,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:52,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:44:52,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960448109] [2020-10-14 21:44:52,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:52,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:52,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:52,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:52,775 INFO L87 Difference]: Start difference. First operand 1130 states and 1295 transitions. Second operand 7 states. [2020-10-14 21:44:54,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:54,551 INFO L93 Difference]: Finished difference Result 2838 states and 3250 transitions. [2020-10-14 21:44:54,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:44:54,553 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 331 [2020-10-14 21:44:54,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:54,566 INFO L225 Difference]: With dead ends: 2838 [2020-10-14 21:44:54,567 INFO L226 Difference]: Without dead ends: 1714 [2020-10-14 21:44:54,572 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 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 21:44:54,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1714 states. [2020-10-14 21:44:54,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1714 to 1502. [2020-10-14 21:44:54,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1502 states. [2020-10-14 21:44:54,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1502 states and 1685 transitions. [2020-10-14 21:44:54,650 INFO L78 Accepts]: Start accepts. Automaton has 1502 states and 1685 transitions. Word has length 331 [2020-10-14 21:44:54,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:54,651 INFO L479 AbstractCegarLoop]: Abstraction has 1502 states and 1685 transitions. [2020-10-14 21:44:54,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:54,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1685 transitions. [2020-10-14 21:44:54,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2020-10-14 21:44:54,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:54,671 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, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-14 21:44:54,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 21:44:54,671 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:54,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:54,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1010509622, now seen corresponding path program 1 times [2020-10-14 21:44:54,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:54,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [264699944] [2020-10-14 21:44:54,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:54,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:55,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:55,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:56,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:59,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:59,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:59,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 454 [2020-10-14 21:44:59,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:44:59,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-14 21:44:59,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:59,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:59,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:59,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 21:44:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:44:59,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:59,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:59,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:59,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:59,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:59,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:59,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:44:59,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:59,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:59,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:59,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:59,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:59,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:59,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:59,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:00,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:00,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:00,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:00,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 21:45:00,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:00,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:00,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:00,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:00,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:45:00,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:00,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 21:45:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:00,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:00,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:00,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:00,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:00,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-14 21:45:00,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:00,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:00,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:00,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:00,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:45:00,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:00,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-10-14 21:45:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:00,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:00,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:00,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:45:00,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:00,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:45:00,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:00,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:00,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:00,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 21:45:00,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:00,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:45:00,665 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 305 proven. 79 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-14 21:45:00,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [264699944] [2020-10-14 21:45:00,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:00,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:00,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621365947] [2020-10-14 21:45:00,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:00,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:00,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:00,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:00,669 INFO L87 Difference]: Start difference. First operand 1502 states and 1685 transitions. Second operand 7 states. [2020-10-14 21:45:02,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:02,255 INFO L93 Difference]: Finished difference Result 3768 states and 4360 transitions. [2020-10-14 21:45:02,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:45:02,256 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 440 [2020-10-14 21:45:02,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:02,269 INFO L225 Difference]: With dead ends: 3768 [2020-10-14 21:45:02,269 INFO L226 Difference]: Without dead ends: 2454 [2020-10-14 21:45:02,274 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:45:02,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2454 states. [2020-10-14 21:45:02,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2454 to 2434. [2020-10-14 21:45:02,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2434 states. [2020-10-14 21:45:02,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2434 states and 2723 transitions. [2020-10-14 21:45:02,348 INFO L78 Accepts]: Start accepts. Automaton has 2434 states and 2723 transitions. Word has length 440 [2020-10-14 21:45:02,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:02,349 INFO L479 AbstractCegarLoop]: Abstraction has 2434 states and 2723 transitions. [2020-10-14 21:45:02,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:02,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 2723 transitions. [2020-10-14 21:45:02,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2020-10-14 21:45:02,360 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:02,360 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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:45:02,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 21:45:02,361 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:02,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:02,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1066103270, now seen corresponding path program 1 times [2020-10-14 21:45:02,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:02,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1269968731] [2020-10-14 21:45:02,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:02,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:02,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:02,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:03,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:05,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:07,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:07,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 478 [2020-10-14 21:45:07,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:45:07,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-14 21:45:07,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:07,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:07,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:07,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-14 21:45:07,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:45:07,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:07,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:07,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:07,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:07,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:07,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:07,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:45:07,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:07,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:07,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:07,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:07,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:07,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:07,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:07,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:07,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:07,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:45:07,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:07,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 21:45:07,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:07,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:07,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:07,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:07,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 21:45:07,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:07,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 21:45:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:07,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:07,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:07,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:07,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:07,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 21:45:07,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:07,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:07,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:07,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:07,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:45:07,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:07,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-10-14 21:45:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:07,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:07,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:07,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:45:07,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:07,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:45:07,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:07,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:07,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:07,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 21:45:07,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:07,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:08,069 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 329 proven. 79 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-14 21:45:08,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1269968731] [2020-10-14 21:45:08,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:08,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:08,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583630532] [2020-10-14 21:45:08,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:08,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:08,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:08,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:08,072 INFO L87 Difference]: Start difference. First operand 2434 states and 2723 transitions. Second operand 7 states. [2020-10-14 21:45:09,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:09,753 INFO L93 Difference]: Finished difference Result 6602 states and 7782 transitions. [2020-10-14 21:45:09,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:45:09,754 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 464 [2020-10-14 21:45:09,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:09,776 INFO L225 Difference]: With dead ends: 6602 [2020-10-14 21:45:09,776 INFO L226 Difference]: Without dead ends: 4174 [2020-10-14 21:45:09,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:45:09,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4174 states. [2020-10-14 21:45:09,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4174 to 3362. [2020-10-14 21:45:09,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3362 states. [2020-10-14 21:45:09,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3362 states to 3362 states and 3753 transitions. [2020-10-14 21:45:09,884 INFO L78 Accepts]: Start accepts. Automaton has 3362 states and 3753 transitions. Word has length 464 [2020-10-14 21:45:09,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:09,885 INFO L479 AbstractCegarLoop]: Abstraction has 3362 states and 3753 transitions. [2020-10-14 21:45:09,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:09,885 INFO L276 IsEmpty]: Start isEmpty. Operand 3362 states and 3753 transitions. [2020-10-14 21:45:09,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2020-10-14 21:45:09,903 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:09,903 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, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:45:09,904 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 21:45:09,904 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:09,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:09,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1899648460, now seen corresponding path program 1 times [2020-10-14 21:45:09,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:09,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [677314035] [2020-10-14 21:45:09,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:10,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:10,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:10,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:10,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:13,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:14,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:15,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:15,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 615 [2020-10-14 21:45:15,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:45:15,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-14 21:45:15,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:15,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:15,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:15,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 21:45:15,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-14 21:45:15,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:15,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:15,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:15,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:15,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:15,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:15,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:45:15,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:15,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:15,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:15,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:15,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:15,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:15,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:15,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:15,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:15,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:15,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:15,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 21:45:15,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:15,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:15,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:15,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:15,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:45:15,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:15,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 21:45:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:15,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:15,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:15,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:45:15,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:15,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 21:45:15,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:15,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:15,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:15,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:15,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-14 21:45:15,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:15,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-14 21:45:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:15,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:15,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:15,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:15,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:15,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 21:45:15,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:15,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:15,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:15,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:45:15,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:15,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:15,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-10-14 21:45:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:15,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:15,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:15,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:45:15,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:15,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:45:15,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:15,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:15,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:15,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 21:45:15,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:15,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 374 proven. 235 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2020-10-14 21:45:15,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [677314035] [2020-10-14 21:45:15,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:15,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:15,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267461086] [2020-10-14 21:45:15,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:15,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:15,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:15,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:15,750 INFO L87 Difference]: Start difference. First operand 3362 states and 3753 transitions. Second operand 7 states. [2020-10-14 21:45:17,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:17,105 INFO L93 Difference]: Finished difference Result 6912 states and 7817 transitions. [2020-10-14 21:45:17,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:45:17,106 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 599 [2020-10-14 21:45:17,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:17,123 INFO L225 Difference]: With dead ends: 6912 [2020-10-14 21:45:17,123 INFO L226 Difference]: Without dead ends: 3738 [2020-10-14 21:45:17,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:45:17,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3738 states. [2020-10-14 21:45:17,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3738 to 3734. [2020-10-14 21:45:17,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3734 states. [2020-10-14 21:45:17,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 3734 states and 4162 transitions. [2020-10-14 21:45:17,222 INFO L78 Accepts]: Start accepts. Automaton has 3734 states and 4162 transitions. Word has length 599 [2020-10-14 21:45:17,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:17,222 INFO L479 AbstractCegarLoop]: Abstraction has 3734 states and 4162 transitions. [2020-10-14 21:45:17,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:17,223 INFO L276 IsEmpty]: Start isEmpty. Operand 3734 states and 4162 transitions. [2020-10-14 21:45:17,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 752 [2020-10-14 21:45:17,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:17,234 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, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:45:17,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 21:45:17,234 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:17,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:17,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1654018901, now seen corresponding path program 1 times [2020-10-14 21:45:17,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:17,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1435282636] [2020-10-14 21:45:17,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:17,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:17,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:17,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:17,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:19,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:19,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:22,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:22,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 769 [2020-10-14 21:45:22,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:45:22,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-14 21:45:22,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:22,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:22,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:45:22,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:45:22,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-14 21:45:22,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:22,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:22,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:22,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:22,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:22,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:22,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:45:22,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:22,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:22,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:22,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:22,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:45:22,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:22,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:22,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:22,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:22,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:22,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:22,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 21:45:22,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:22,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:22,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:22,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:22,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:45:22,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:22,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:22,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:22,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:22,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:45:22,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:22,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-14 21:45:22,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:22,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:22,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:22,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:22,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 21:45:22,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:23,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-14 21:45:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:23,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:23,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:23,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:45:23,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:23,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:45:23,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:23,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-10-14 21:45:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:23,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:23,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-10-14 21:45:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:23,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:23,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:23,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:23,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:23,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:45:23,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:23,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:23,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:23,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:45:23,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:23,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:23,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2020-10-14 21:45:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:23,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:23,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:23,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:45:23,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:23,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:45:23,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:23,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 21:45:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:23,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:23,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 338 proven. 721 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2020-10-14 21:45:23,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1435282636] [2020-10-14 21:45:23,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:23,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:45:23,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222290216] [2020-10-14 21:45:23,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:45:23,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:23,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:45:23,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:45:23,754 INFO L87 Difference]: Start difference. First operand 3734 states and 4162 transitions. Second operand 8 states. [2020-10-14 21:45:25,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:25,073 INFO L93 Difference]: Finished difference Result 7104 states and 7962 transitions. [2020-10-14 21:45:25,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:45:25,078 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 751 [2020-10-14 21:45:25,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:25,093 INFO L225 Difference]: With dead ends: 7104 [2020-10-14 21:45:25,093 INFO L226 Difference]: Without dead ends: 3742 [2020-10-14 21:45:25,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-14 21:45:25,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-10-14 21:45:25,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3734. [2020-10-14 21:45:25,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3734 states. [2020-10-14 21:45:25,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 3734 states and 4160 transitions. [2020-10-14 21:45:25,192 INFO L78 Accepts]: Start accepts. Automaton has 3734 states and 4160 transitions. Word has length 751 [2020-10-14 21:45:25,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:25,193 INFO L479 AbstractCegarLoop]: Abstraction has 3734 states and 4160 transitions. [2020-10-14 21:45:25,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:45:25,193 INFO L276 IsEmpty]: Start isEmpty. Operand 3734 states and 4160 transitions. [2020-10-14 21:45:25,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 827 [2020-10-14 21:45:25,209 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:25,209 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, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:45:25,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 21:45:25,210 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:25,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:25,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1928790595, now seen corresponding path program 1 times [2020-10-14 21:45:25,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:25,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1814486833] [2020-10-14 21:45:25,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:25,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:25,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:26,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:26,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:30,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:30,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 846 [2020-10-14 21:45:30,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:45:30,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-14 21:45:30,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:30,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:30,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:30,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 21:45:30,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:45:30,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:30,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:30,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:30,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:30,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:30,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:30,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:45:30,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:30,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:30,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:30,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:30,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:30,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:30,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:30,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:30,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:30,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:30,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:30,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:45:30,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:30,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:30,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:30,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:30,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:30,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:30,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:30,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:30,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:30,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:30,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:30,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:45:30,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:30,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:30,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:30,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:30,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:30,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:30,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:30,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:30,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:30,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:45:30,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:30,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:45:30,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:30,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:30,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:30,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:30,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:30,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:30,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:45:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:30,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:30,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:30,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:45:30,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:30,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-14 21:45:30,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:30,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:30,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:30,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:30,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 21:45:30,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:30,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:45:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:30,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:30,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:30,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:30,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:30,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 21:45:30,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:30,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:45:31,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:31,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-10-14 21:45:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:31,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:31,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:31,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:45:31,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:31,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:45:31,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:31,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:31,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:31,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 21:45:31,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:31,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:31,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 904 proven. 79 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2020-10-14 21:45:31,378 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1814486833] [2020-10-14 21:45:31,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:31,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:31,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250113515] [2020-10-14 21:45:31,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:31,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:31,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:31,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:31,380 INFO L87 Difference]: Start difference. First operand 3734 states and 4160 transitions. Second operand 7 states. [2020-10-14 21:45:32,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:32,855 INFO L93 Difference]: Finished difference Result 8572 states and 9750 transitions. [2020-10-14 21:45:32,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:45:32,861 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 826 [2020-10-14 21:45:32,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:32,883 INFO L225 Difference]: With dead ends: 8572 [2020-10-14 21:45:32,883 INFO L226 Difference]: Without dead ends: 5210 [2020-10-14 21:45:32,891 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:45:32,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5210 states. [2020-10-14 21:45:32,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5210 to 4840. [2020-10-14 21:45:32,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4840 states. [2020-10-14 21:45:33,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4840 states to 4840 states and 5519 transitions. [2020-10-14 21:45:33,006 INFO L78 Accepts]: Start accepts. Automaton has 4840 states and 5519 transitions. Word has length 826 [2020-10-14 21:45:33,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:33,007 INFO L479 AbstractCegarLoop]: Abstraction has 4840 states and 5519 transitions. [2020-10-14 21:45:33,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:33,008 INFO L276 IsEmpty]: Start isEmpty. Operand 4840 states and 5519 transitions. [2020-10-14 21:45:33,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 903 [2020-10-14 21:45:33,024 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:33,025 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, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:45:33,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 21:45:33,026 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:33,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:33,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1832343450, now seen corresponding path program 1 times [2020-10-14 21:45:33,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:33,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [39443090] [2020-10-14 21:45:33,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:33,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:33,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:34,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:35,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 924 [2020-10-14 21:45:38,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:45:38,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 21:45:38,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:38,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 770 [2020-10-14 21:45:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 21:45:38,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:45:38,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:38,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 21:45:38,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:38,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:38,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:38,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:38,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:45:38,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:38,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:38,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:45:38,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:38,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:38,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:38,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:45:38,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:45:38,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:38,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:45:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:45:38,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:45:38,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:38,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:38,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:38,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:45:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:45:38,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 21:45:38,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:38,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:38,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:38,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 21:45:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:38,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-14 21:45:38,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:38,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:38,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 21:45:38,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-14 21:45:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:45:38,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:45:38,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:38,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:38,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 21:45:38,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:39,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2470 backedges. 938 proven. 2 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2020-10-14 21:45:39,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [39443090] [2020-10-14 21:45:39,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:39,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:39,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595603563] [2020-10-14 21:45:39,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:39,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:39,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:39,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:39,255 INFO L87 Difference]: Start difference. First operand 4840 states and 5519 transitions. Second operand 7 states. [2020-10-14 21:45:40,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:40,624 INFO L93 Difference]: Finished difference Result 10600 states and 12328 transitions. [2020-10-14 21:45:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:45:40,628 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 902 [2020-10-14 21:45:40,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:40,653 INFO L225 Difference]: With dead ends: 10600 [2020-10-14 21:45:40,653 INFO L226 Difference]: Without dead ends: 6132 [2020-10-14 21:45:40,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:45:40,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6132 states. [2020-10-14 21:45:40,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6132 to 6130. [2020-10-14 21:45:40,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6130 states. [2020-10-14 21:45:40,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6130 states to 6130 states and 7083 transitions. [2020-10-14 21:45:40,783 INFO L78 Accepts]: Start accepts. Automaton has 6130 states and 7083 transitions. Word has length 902 [2020-10-14 21:45:40,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:40,784 INFO L479 AbstractCegarLoop]: Abstraction has 6130 states and 7083 transitions. [2020-10-14 21:45:40,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:40,784 INFO L276 IsEmpty]: Start isEmpty. Operand 6130 states and 7083 transitions. [2020-10-14 21:45:40,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 926 [2020-10-14 21:45:40,798 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:40,799 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, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:45:40,799 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 21:45:40,799 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:40,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:40,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1685823703, now seen corresponding path program 1 times [2020-10-14 21:45:40,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:40,800 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1033095827] [2020-10-14 21:45:40,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:40,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:41,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:41,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:45,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:45,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:45,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 947 [2020-10-14 21:45:45,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:45:45,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5071 [2020-10-14 21:45:45,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:45,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:45,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:45,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 343 [2020-10-14 21:45:45,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:45:45,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:46,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:46,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:46,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:46,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:45:46,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:46,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:46,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:46,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:46,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:46,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:46,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:46,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 21:45:46,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:46,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:46,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:46,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:46,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:46,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:46,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:46,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 21:45:46,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:46,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:46,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:46,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:46,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:46,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:46,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:46,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 21:45:46,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 21:45:46,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:46,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-14 21:45:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:46,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:45:46,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:46,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-14 21:45:46,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:46,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:46,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:45:46,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:46,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-10-14 21:45:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:46,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:45:46,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:46,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:45:46,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:46,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:45:46,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:46,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:46,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2020-10-14 21:45:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:46,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:46,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:46,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 21:45:46,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:46,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:45:46,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:46,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:46,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2020-10-14 21:45:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:46,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 21:45:46,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:46,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 21:45:46,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:46,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-14 21:45:46,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:46,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2534 backedges. 821 proven. 338 refuted. 0 times theorem prover too weak. 1375 trivial. 0 not checked. [2020-10-14 21:45:47,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1033095827] [2020-10-14 21:45:47,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:47,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:47,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469714186] [2020-10-14 21:45:47,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:47,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:47,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:47,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:47,440 INFO L87 Difference]: Start difference. First operand 6130 states and 7083 transitions. Second operand 7 states. [2020-10-14 21:45:48,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:48,761 INFO L93 Difference]: Finished difference Result 12622 states and 14633 transitions. [2020-10-14 21:45:48,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:45:48,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 925 [2020-10-14 21:45:48,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:48,802 INFO L225 Difference]: With dead ends: 12622 [2020-10-14 21:45:48,802 INFO L226 Difference]: Without dead ends: 6864 [2020-10-14 21:45:48,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:45:48,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6864 states. [2020-10-14 21:45:48,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6864 to 6678. [2020-10-14 21:45:48,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6678 states. [2020-10-14 21:45:48,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6678 states to 6678 states and 7691 transitions. [2020-10-14 21:45:48,944 INFO L78 Accepts]: Start accepts. Automaton has 6678 states and 7691 transitions. Word has length 925 [2020-10-14 21:45:48,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:48,945 INFO L479 AbstractCegarLoop]: Abstraction has 6678 states and 7691 transitions. [2020-10-14 21:45:48,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:48,946 INFO L276 IsEmpty]: Start isEmpty. Operand 6678 states and 7691 transitions. [2020-10-14 21:45:48,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 935 [2020-10-14 21:45:48,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:48,966 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, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:45:48,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 21:45:48,967 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:48,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:48,967 INFO L82 PathProgramCache]: Analyzing trace with hash -130354770, now seen corresponding path program 1 times [2020-10-14 21:45:48,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:48,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [760285271] [2020-10-14 21:45:48,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:49,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:49,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:49,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:51,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:54,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:54,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 956 [2020-10-14 21:45:54,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:45:54,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-14 21:45:54,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:54,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:54,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:45:54,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 607 [2020-10-14 21:45:54,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 278 [2020-10-14 21:45:54,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:54,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:54,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:54,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:54,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:54,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:54,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:45:54,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:54,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:54,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:54,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:54,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:54,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:54,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:54,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:54,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:54,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:54,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:54,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:45:54,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:54,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:54,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:54,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:54,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:54,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:54,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:54,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:54,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:54,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:54,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:54,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:45:54,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:54,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:54,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:54,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:54,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:54,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:54,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:54,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:54,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:54,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:45:54,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:54,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:45:54,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:54,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:54,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:54,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:54,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:54,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:54,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:45:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:54,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:54,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:54,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:45:54,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:54,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:45:54,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:54,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:54,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:54,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:54,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:54,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:54,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-14 21:45:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:54,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:54,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:54,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:45:54,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:54,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:45:54,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:54,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:54,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:54,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:54,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:45:54,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:54,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-14 21:45:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:54,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:54,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:54,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:54,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:54,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-14 21:45:54,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:54,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:54,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:45:54,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:54,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:45:54,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:54,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2020-10-14 21:45:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:54,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:54,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:54,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:45:54,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:54,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 21:45:54,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:54,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:54,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:54,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:54,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 21:45:54,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:55,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 1585 proven. 6 refuted. 0 times theorem prover too weak. 967 trivial. 0 not checked. [2020-10-14 21:45:55,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [760285271] [2020-10-14 21:45:55,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:55,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 21:45:55,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159732148] [2020-10-14 21:45:55,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 21:45:55,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:55,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 21:45:55,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:45:55,307 INFO L87 Difference]: Start difference. First operand 6678 states and 7691 transitions. Second operand 10 states. [2020-10-14 21:45:57,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:57,895 INFO L93 Difference]: Finished difference Result 14654 states and 17047 transitions. [2020-10-14 21:45:57,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 21:45:57,896 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 934 [2020-10-14 21:45:57,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:57,922 INFO L225 Difference]: With dead ends: 14654 [2020-10-14 21:45:57,922 INFO L226 Difference]: Without dead ends: 8348 [2020-10-14 21:45:57,939 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2020-10-14 21:45:57,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8348 states. [2020-10-14 21:45:58,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8348 to 7788. [2020-10-14 21:45:58,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7788 states. [2020-10-14 21:45:58,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7788 states to 7788 states and 9088 transitions. [2020-10-14 21:45:58,078 INFO L78 Accepts]: Start accepts. Automaton has 7788 states and 9088 transitions. Word has length 934 [2020-10-14 21:45:58,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:58,079 INFO L479 AbstractCegarLoop]: Abstraction has 7788 states and 9088 transitions. [2020-10-14 21:45:58,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 21:45:58,079 INFO L276 IsEmpty]: Start isEmpty. Operand 7788 states and 9088 transitions. [2020-10-14 21:45:58,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1004 [2020-10-14 21:45:58,107 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:58,110 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:45:58,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 21:45:58,110 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:58,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:58,111 INFO L82 PathProgramCache]: Analyzing trace with hash 637885416, now seen corresponding path program 1 times [2020-10-14 21:45:58,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:58,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1721865035] [2020-10-14 21:45:58,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:58,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:58,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:58,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:00,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:01,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1027 [2020-10-14 21:46:03,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:46:03,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 21:46:03,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:03,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-14 21:46:03,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:03,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:03,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:46:03,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:03,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:03,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:03,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:03,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:46:03,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:03,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:03,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:03,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:03,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:03,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:03,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:03,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:03,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:03,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 21:46:03,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:03,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:03,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 21:46:03,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:03,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-14 21:46:03,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:03,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:03,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:46:03,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-14 21:46:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:03,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:46:03,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:03,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:46:03,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:03,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:03,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-14 21:46:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:04,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:04,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:04,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:04,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 21:46:04,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:04,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:04,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:04,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:46:04,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:04,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:04,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2020-10-14 21:46:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:04,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:04,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:04,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:46:04,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:04,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:46:04,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:04,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:04,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:04,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:46:04,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:04,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:04,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 859 [2020-10-14 21:46:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:04,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:04,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:04,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:46:04,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:04,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:46:04,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:04,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:04,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:04,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 21:46:04,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:04,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:04,638 INFO L134 CoverageAnalysis]: Checked inductivity of 3124 backedges. 905 proven. 406 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2020-10-14 21:46:04,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1721865035] [2020-10-14 21:46:04,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:04,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:46:04,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144573286] [2020-10-14 21:46:04,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:46:04,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:04,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:46:04,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:46:04,641 INFO L87 Difference]: Start difference. First operand 7788 states and 9088 transitions. Second operand 8 states. [2020-10-14 21:46:06,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:06,655 INFO L93 Difference]: Finished difference Result 15576 states and 18194 transitions. [2020-10-14 21:46:06,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:46:06,655 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1003 [2020-10-14 21:46:06,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:06,680 INFO L225 Difference]: With dead ends: 15576 [2020-10-14 21:46:06,680 INFO L226 Difference]: Without dead ends: 7606 [2020-10-14 21:46:06,698 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-14 21:46:06,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7606 states. [2020-10-14 21:46:06,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7606 to 7234. [2020-10-14 21:46:06,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7234 states. [2020-10-14 21:46:06,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7234 states to 7234 states and 7997 transitions. [2020-10-14 21:46:06,828 INFO L78 Accepts]: Start accepts. Automaton has 7234 states and 7997 transitions. Word has length 1003 [2020-10-14 21:46:06,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:06,829 INFO L479 AbstractCegarLoop]: Abstraction has 7234 states and 7997 transitions. [2020-10-14 21:46:06,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:46:06,830 INFO L276 IsEmpty]: Start isEmpty. Operand 7234 states and 7997 transitions. [2020-10-14 21:46:06,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1264 [2020-10-14 21:46:06,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:06,858 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 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, 6, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:46:06,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 21:46:06,858 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:06,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:06,859 INFO L82 PathProgramCache]: Analyzing trace with hash 583228072, now seen corresponding path program 1 times [2020-10-14 21:46:06,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:06,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1360045998] [2020-10-14 21:46:06,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:07,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:07,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:07,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:10,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:12,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:12,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1291 [2020-10-14 21:46:12,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:46:12,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-10-14 21:46:12,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:12,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:12,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 21:46:12,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 21:46:12,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 434 [2020-10-14 21:46:12,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:12,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:12,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:12,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:12,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:12,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:12,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:46:12,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:12,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:12,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:12,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:12,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:12,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:12,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:12,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:12,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:12,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:12,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:12,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:46:12,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:12,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:12,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:12,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:12,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:12,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:12,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:12,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:12,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:12,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:12,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:12,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:46:12,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:12,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:12,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:12,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:12,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:12,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:12,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:12,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:12,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:12,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:12,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:12,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-14 21:46:12,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:12,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:12,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:12,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:12,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:12,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:12,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:12,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:12,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:12,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:46:12,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:12,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:46:12,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:12,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:12,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:12,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:12,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:12,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:12,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:46:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:12,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:12,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:12,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:12,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:12,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:46:12,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:12,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:12,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:12,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:46:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:12,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:12,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:12,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:12,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:12,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:46:12,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:12,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:12,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:12,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:12,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:46:12,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:12,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:46:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:12,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:12,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:12,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:12,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:12,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 21:46:12,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:12,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:12,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:46:12,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:12,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:12,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:12,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:46:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:12,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:12,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:12,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:46:12,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:12,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 21:46:12,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:12,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:12,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:12,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:12,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 21:46:12,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:13,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:46:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:13,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:13,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:13,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:46:13,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:13,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 21:46:13,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:13,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:13,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:13,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:13,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 21:46:13,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:13,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2020-10-14 21:46:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:13,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:13,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:13,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:46:13,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:13,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:46:13,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:13,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:13,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:13,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 21:46:13,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:13,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:14,770 INFO L134 CoverageAnalysis]: Checked inductivity of 5103 backedges. 2585 proven. 626 refuted. 0 times theorem prover too weak. 1892 trivial. 0 not checked. [2020-10-14 21:46:14,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1360045998] [2020-10-14 21:46:14,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:14,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 21:46:14,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337034000] [2020-10-14 21:46:14,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 21:46:14,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:14,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 21:46:14,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:46:14,773 INFO L87 Difference]: Start difference. First operand 7234 states and 7997 transitions. Second operand 11 states. [2020-10-14 21:46:17,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:17,570 INFO L93 Difference]: Finished difference Result 14662 states and 16216 transitions. [2020-10-14 21:46:17,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 21:46:17,571 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1263 [2020-10-14 21:46:17,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:17,593 INFO L225 Difference]: With dead ends: 14662 [2020-10-14 21:46:17,593 INFO L226 Difference]: Without dead ends: 7800 [2020-10-14 21:46:17,607 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2020-10-14 21:46:17,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7800 states. [2020-10-14 21:46:17,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7800 to 7416. [2020-10-14 21:46:17,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7416 states. [2020-10-14 21:46:17,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7416 states to 7416 states and 8185 transitions. [2020-10-14 21:46:17,732 INFO L78 Accepts]: Start accepts. Automaton has 7416 states and 8185 transitions. Word has length 1263 [2020-10-14 21:46:17,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:17,734 INFO L479 AbstractCegarLoop]: Abstraction has 7416 states and 8185 transitions. [2020-10-14 21:46:17,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 21:46:17,734 INFO L276 IsEmpty]: Start isEmpty. Operand 7416 states and 8185 transitions. [2020-10-14 21:46:17,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1404 [2020-10-14 21:46:17,764 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:17,765 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:46:17,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 21:46:17,765 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:17,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:17,766 INFO L82 PathProgramCache]: Analyzing trace with hash 846051167, now seen corresponding path program 1 times [2020-10-14 21:46:17,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:17,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1511787193] [2020-10-14 21:46:17,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:18,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:18,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:18,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:20,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:20,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1433 [2020-10-14 21:46:23,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:46:23,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5090 [2020-10-14 21:46:23,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:46:23,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1013 [2020-10-14 21:46:23,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 253 [2020-10-14 21:46:23,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:23,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:46:23,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:23,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:23,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:23,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:23,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:23,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:46:23,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:46:23,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 21:46:23,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:46:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:23,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 21:46:23,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:46:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:23,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:46:23,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:46:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:23,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 21:46:23,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:46:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:46:23,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 21:46:23,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:23,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:46:23,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2020-10-14 21:46:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:46:23,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:46:23,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-14 21:46:23,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:23,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:23,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 21:46:23,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:46:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:24,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:24,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:46:24,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:24,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 21:46:24,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:24,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:24,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:24,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:24,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 21:46:24,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:24,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2020-10-14 21:46:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:24,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:24,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:24,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:46:24,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:24,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:46:24,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:24,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:24,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:24,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 21:46:24,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:24,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:24,966 INFO L134 CoverageAnalysis]: Checked inductivity of 6283 backedges. 2482 proven. 186 refuted. 0 times theorem prover too weak. 3615 trivial. 0 not checked. [2020-10-14 21:46:24,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1511787193] [2020-10-14 21:46:24,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:24,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:46:24,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464105956] [2020-10-14 21:46:24,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:46:24,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:24,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:46:24,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:46:24,969 INFO L87 Difference]: Start difference. First operand 7416 states and 8185 transitions. Second operand 7 states. [2020-10-14 21:46:27,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:27,088 INFO L93 Difference]: Finished difference Result 15396 states and 17048 transitions. [2020-10-14 21:46:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:46:27,088 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1403 [2020-10-14 21:46:27,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:27,114 INFO L225 Difference]: With dead ends: 15396 [2020-10-14 21:46:27,114 INFO L226 Difference]: Without dead ends: 8168 [2020-10-14 21:46:27,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:46:27,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8168 states. [2020-10-14 21:46:27,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8168 to 7416. [2020-10-14 21:46:27,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7416 states. [2020-10-14 21:46:27,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7416 states to 7416 states and 8137 transitions. [2020-10-14 21:46:27,270 INFO L78 Accepts]: Start accepts. Automaton has 7416 states and 8137 transitions. Word has length 1403 [2020-10-14 21:46:27,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:27,272 INFO L479 AbstractCegarLoop]: Abstraction has 7416 states and 8137 transitions. [2020-10-14 21:46:27,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:46:27,272 INFO L276 IsEmpty]: Start isEmpty. Operand 7416 states and 8137 transitions. [2020-10-14 21:46:27,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1451 [2020-10-14 21:46:27,302 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:27,303 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2020-10-14 21:46:27,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 21:46:27,304 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:27,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:27,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1307601674, now seen corresponding path program 1 times [2020-10-14 21:46:27,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:27,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2109767050] [2020-10-14 21:46:27,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:27,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:28,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:30,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:31,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:32,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:32,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:32,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1480 [2020-10-14 21:46:32,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:46:32,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5077 [2020-10-14 21:46:32,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:32,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:32,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 21:46:32,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 21:46:32,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 306 [2020-10-14 21:46:32,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:32,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:32,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:32,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:32,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:32,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:32,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:46:32,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:32,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:32,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:32,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:32,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:32,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:32,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:32,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:32,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:32,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:32,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:32,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:32,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:32,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:32,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:32,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:32,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:32,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:32,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:32,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:32,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:46:32,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:32,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:32,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:32,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:32,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:32,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:32,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:32,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:32,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:32,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:32,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:32,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:46:32,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:32,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:32,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:32,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:32,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:32,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:32,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:32,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:32,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:32,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:46:32,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:32,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 21:46:32,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:32,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:32,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:32,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:32,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:32,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:32,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:46:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:33,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:33,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:33,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:33,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:33,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 21:46:33,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:33,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:33,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:33,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:33,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:33,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:33,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:46:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:33,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:33,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:33,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:33,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:33,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:46:33,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:33,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:33,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:33,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:33,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:46:33,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:33,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:46:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:33,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:33,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:33,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:33,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:33,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-10-14 21:46:33,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:33,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:33,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:46:33,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:33,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:33,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:33,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:46:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:33,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:33,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:33,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:33,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:46:33,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:46:33,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-14 21:46:33,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:33,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:33,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:33,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:33,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 21:46:33,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:33,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2020-10-14 21:46:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:33,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:33,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:33,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:46:33,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:33,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 21:46:33,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:33,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:33,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:33,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-14 21:46:33,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:33,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:33,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1179 [2020-10-14 21:46:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:34,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:34,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:34,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:46:34,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:34,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:46:34,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:34,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:34,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:34,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-14 21:46:34,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:34,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:34,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2020-10-14 21:46:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:34,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:34,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:34,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:46:34,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:34,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:46:34,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:34,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:34,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:34,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 21:46:34,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:34,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:35,158 INFO L134 CoverageAnalysis]: Checked inductivity of 6365 backedges. 2238 proven. 715 refuted. 0 times theorem prover too weak. 3412 trivial. 0 not checked. [2020-10-14 21:46:35,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2109767050] [2020-10-14 21:46:35,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:35,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 21:46:35,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719205150] [2020-10-14 21:46:35,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 21:46:35,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:35,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 21:46:35,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:46:35,161 INFO L87 Difference]: Start difference. First operand 7416 states and 8137 transitions. Second operand 11 states. [2020-10-14 21:46:38,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:38,374 INFO L93 Difference]: Finished difference Result 14654 states and 16102 transitions. [2020-10-14 21:46:38,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 21:46:38,375 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1450 [2020-10-14 21:46:38,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:38,388 INFO L225 Difference]: With dead ends: 14654 [2020-10-14 21:46:38,389 INFO L226 Difference]: Without dead ends: 7610 [2020-10-14 21:46:38,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506 [2020-10-14 21:46:38,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7610 states. [2020-10-14 21:46:38,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7610 to 7414. [2020-10-14 21:46:38,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7414 states. [2020-10-14 21:46:38,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7414 states to 7414 states and 8130 transitions. [2020-10-14 21:46:38,499 INFO L78 Accepts]: Start accepts. Automaton has 7414 states and 8130 transitions. Word has length 1450 [2020-10-14 21:46:38,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:38,501 INFO L479 AbstractCegarLoop]: Abstraction has 7414 states and 8130 transitions. [2020-10-14 21:46:38,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 21:46:38,501 INFO L276 IsEmpty]: Start isEmpty. Operand 7414 states and 8130 transitions. [2020-10-14 21:46:38,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1569 [2020-10-14 21:46:38,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:38,529 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 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, 8, 7, 7, 7, 6, 6, 6, 6, 5, 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, 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, 1, 1, 1, 1, 1] [2020-10-14 21:46:38,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 21:46:38,529 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:38,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:38,530 INFO L82 PathProgramCache]: Analyzing trace with hash 153194983, now seen corresponding path program 1 times [2020-10-14 21:46:38,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:38,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1891025940] [2020-10-14 21:46:38,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:38,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:39,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:40,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:42,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:42,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1600 [2020-10-14 21:46:42,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:46:42,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4192 [2020-10-14 21:46:42,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:42,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:42,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:46:42,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1432 [2020-10-14 21:46:42,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-14 21:46:42,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:43,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:43,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:43,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:43,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:43,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:43,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:46:43,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:43,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:43,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:43,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:43,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:43,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:43,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:43,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:43,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:43,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:43,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:43,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:46:43,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:43,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:43,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:43,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:43,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:43,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:43,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:43,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:43,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:43,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:43,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:43,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:43,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:43,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:43,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:43,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:43,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:43,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:43,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:43,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:43,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:43,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:43,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:43,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:46:43,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:43,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:43,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:43,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:43,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:43,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:43,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:43,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:43,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:43,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:46:43,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:43,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:46:43,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:43,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:43,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:43,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:43,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:43,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:43,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:46:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:43,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:43,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:43,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:43,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:43,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:46:43,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:43,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:43,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:43,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:43,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:43,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:43,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:46:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:43,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:43,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:43,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:43,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:43,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:46:43,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:43,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:43,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:43,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:43,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:43,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:43,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:46:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:43,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:43,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:43,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:43,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:43,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:46:43,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:43,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:43,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:43,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:43,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:43,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:43,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:46:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:43,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:43,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:43,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:46:43,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:43,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:46:43,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:43,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:43,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:43,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:43,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:43,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:43,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:46:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:43,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:43,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:43,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:46:43,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:43,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-14 21:46:43,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:43,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:43,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:43,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:43,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:43,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:43,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:46:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:43,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:43,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:43,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:46:43,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:43,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:46:43,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:43,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:43,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:43,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:43,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:43,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:43,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:46:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:43,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:43,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:43,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:46:43,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:43,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 21:46:43,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:43,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:43,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:43,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:43,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 21:46:43,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:43,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:46:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:43,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:43,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:43,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:46:43,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:43,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 21:46:43,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:43,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:43,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:43,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:43,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 21:46:43,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:44,734 INFO L134 CoverageAnalysis]: Checked inductivity of 7602 backedges. 1723 proven. 75 refuted. 0 times theorem prover too weak. 5804 trivial. 0 not checked. [2020-10-14 21:46:44,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1891025940] [2020-10-14 21:46:44,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:44,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:46:44,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218887647] [2020-10-14 21:46:44,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:46:44,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:44,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:46:44,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:46:44,737 INFO L87 Difference]: Start difference. First operand 7414 states and 8130 transitions. Second operand 6 states. [2020-10-14 21:46:46,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:46,050 INFO L93 Difference]: Finished difference Result 16666 states and 18487 transitions. [2020-10-14 21:46:46,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:46:46,051 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1568 [2020-10-14 21:46:46,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:46,071 INFO L225 Difference]: With dead ends: 16666 [2020-10-14 21:46:46,071 INFO L226 Difference]: Without dead ends: 9624 [2020-10-14 21:46:46,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 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 21:46:46,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9624 states. [2020-10-14 21:46:46,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9624 to 8890. [2020-10-14 21:46:46,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8890 states. [2020-10-14 21:46:46,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8890 states to 8890 states and 9747 transitions. [2020-10-14 21:46:46,231 INFO L78 Accepts]: Start accepts. Automaton has 8890 states and 9747 transitions. Word has length 1568 [2020-10-14 21:46:46,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:46,234 INFO L479 AbstractCegarLoop]: Abstraction has 8890 states and 9747 transitions. [2020-10-14 21:46:46,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:46:46,234 INFO L276 IsEmpty]: Start isEmpty. Operand 8890 states and 9747 transitions. [2020-10-14 21:46:46,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1641 [2020-10-14 21:46:46,270 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:46,271 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 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, 8, 7, 6, 6, 6, 6, 6, 6, 5, 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, 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, 1, 1, 1, 1, 1, 1] [2020-10-14 21:46:46,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 21:46:46,271 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:46,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:46,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1089093926, now seen corresponding path program 1 times [2020-10-14 21:46:46,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:46,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [723619202] [2020-10-14 21:46:46,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:46,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:47,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:47,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:48,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:49,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:50,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:51,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1674 [2020-10-14 21:46:51,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 21:46:51,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5183 [2020-10-14 21:46:51,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:51,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:46:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1506 [2020-10-14 21:46:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-14 21:46:51,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:51,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:51,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:51,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:51,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:51,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:46:51,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:51,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:51,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:51,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:51,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:51,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:51,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:51,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:51,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:51,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:51,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:46:51,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:51,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:51,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:51,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:51,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:51,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:51,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:51,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:51,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:46:51,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:51,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:51,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:51,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:51,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:51,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:52,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:52,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:52,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:52,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:52,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:52,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:46:52,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:52,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:52,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:52,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:52,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:52,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:52,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:52,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:52,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:52,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:46:52,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:52,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:46:52,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:52,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:52,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:52,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:52,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:52,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:52,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:46:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:52,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:52,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:52,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:52,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:52,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:46:52,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:52,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:52,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:52,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:52,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:52,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:52,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:46:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:52,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:52,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:52,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:52,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:52,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:46:52,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:52,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:52,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:52,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:46:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:52,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:52,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:52,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:52,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:52,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:46:52,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:52,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:52,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:52,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:52,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:52,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:52,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:46:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:52,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:52,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:52,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:46:52,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:52,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:46:52,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:52,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:52,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:52,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:52,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:52,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:52,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:46:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:52,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:52,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:52,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:46:52,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:52,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:46:52,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:52,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:52,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:52,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:52,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:52,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:52,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:46:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:52,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:52,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:52,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:46:52,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:52,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 21:46:52,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:52,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:52,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:52,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:52,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:52,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:52,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:46:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:52,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:52,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:52,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:46:52,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:52,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:46:52,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:52,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:52,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:52,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:52,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:52,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:52,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-14 21:46:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:52,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:52,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:52,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:46:52,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:52,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:46:52,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:52,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:52,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:52,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:52,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 21:46:52,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:52,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1482 [2020-10-14 21:46:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:52,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:52,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:52,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:52,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:46:52,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:46:52,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 21:46:52,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:52,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:52,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:52,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:52,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 21:46:52,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:53,654 INFO L134 CoverageAnalysis]: Checked inductivity of 8543 backedges. 931 proven. 15 refuted. 0 times theorem prover too weak. 7597 trivial. 0 not checked. [2020-10-14 21:46:53,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [723619202] [2020-10-14 21:46:53,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:53,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:46:53,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285485069] [2020-10-14 21:46:53,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:46:53,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:53,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:46:53,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:46:53,657 INFO L87 Difference]: Start difference. First operand 8890 states and 9747 transitions. Second operand 6 states. [2020-10-14 21:46:55,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:55,482 INFO L93 Difference]: Finished difference Result 18146 states and 19964 transitions. [2020-10-14 21:46:55,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:46:55,483 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1640 [2020-10-14 21:46:55,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:55,485 INFO L225 Difference]: With dead ends: 18146 [2020-10-14 21:46:55,485 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 21:46:55,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:46:55,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 21:46:55,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 21:46:55,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 21:46:55,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 21:46:55,498 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1640 [2020-10-14 21:46:55,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:55,499 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 21:46:55,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:46:55,499 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 21:46:55,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 21:46:55,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 21:46:55,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 21:46:57,100 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 186 [2020-10-14 21:46:57,679 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 208 [2020-10-14 21:46:59,482 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 338 DAG size of output: 96 [2020-10-14 21:47:00,103 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 66 [2020-10-14 21:47:00,736 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 66 [2020-10-14 21:47:00,741 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:47:00,741 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 21:47:00,741 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:47:00,742 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 21:47:00,742 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 21:47:00,742 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,742 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,742 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,742 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 21:47:00,743 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 21:47:00,743 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 21:47:00,743 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 21:47:00,743 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 21:47:00,743 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 21:47:00,743 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 21:47:00,743 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 21:47:00,743 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,743 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,743 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,743 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 21:47:00,743 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 21:47:00,743 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 21:47:00,744 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 21:47:00,744 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 21:47:00,744 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 21:47:00,744 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 21:47:00,744 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 21:47:00,744 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,744 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,744 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,744 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 21:47:00,744 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 21:47:00,744 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 21:47:00,745 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 21:47:00,745 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 21:47:00,745 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 21:47:00,745 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 21:47:00,745 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 21:47:00,745 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 21:47:00,745 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,745 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,745 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,746 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 21:47:00,746 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 21:47:00,746 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 21:47:00,746 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 21:47:00,746 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 21:47:00,746 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 21:47:00,746 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 21:47:00,746 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,746 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,746 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,747 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 21:47:00,747 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 21:47:00,747 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 21:47:00,747 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 21:47:00,747 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 21:47:00,747 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 21:47:00,747 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 21:47:00,747 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 21:47:00,747 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 21:47:00,748 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,748 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,748 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,748 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,748 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 21:47:00,748 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 21:47:00,748 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 21:47:00,748 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 21:47:00,748 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 21:47:00,748 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 21:47:00,748 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 21:47:00,749 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 21:47:00,749 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,749 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,749 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,749 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 21:47:00,749 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 21:47:00,749 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 21:47:00,749 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 21:47:00,749 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 21:47:00,749 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 21:47:00,749 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 21:47:00,749 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 21:47:00,750 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,750 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,750 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,750 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 21:47:00,750 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 21:47:00,750 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 21:47:00,750 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 21:47:00,750 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 21:47:00,750 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 21:47:00,751 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse10 (= ~a21~0 |old(~a21~0)|)) (.cse9 (= 6 |old(~a21~0)|)) (.cse11 (= ~a24~0 1)) (.cse12 (= ~a12~0 |old(~a12~0)|)) (.cse13 (= ~a15~0 |old(~a15~0)|))) (let ((.cse2 (not (<= |old(~a12~0)| 2))) (.cse7 (not (<= 0 (+ |old(~a12~0)| 41)))) (.cse1 (not (<= |old(~a21~0)| 8))) (.cse8 (not (<= |old(~a12~0)| 73282))) (.cse14 (not (<= 12 |old(~a12~0)|))) (.cse3 (not (<= |old(~a15~0)| 5))) (.cse4 (not (= |old(~a24~0)| 1))) (.cse5 (and (= ~a21~0 6) .cse11 .cse12 .cse13)) (.cse6 (not .cse9)) (.cse0 (and (= ~a24~0 |old(~a24~0)|) .cse10 .cse12 .cse13))) (and (or .cse0 .cse1 .cse2 (not (<= (+ |old(~a12~0)| 43) 0)) .cse3) (or (not (<= |old(~a21~0)| 9)) .cse0 (not (<= 9 |old(~a21~0)|))) (or .cse4 .cse5 (not (<= (+ |old(~a12~0)| 49) 0)) .cse6) (or .cse0 .cse7 .cse2 .cse3) (or .cse4 .cse5 (not (<= |old(~a12~0)| 10)) .cse7 .cse6) (or (not (<= 19 |old(~a12~0)|)) .cse0 .cse8 .cse1 .cse9) (or .cse0 (= 6 |old(~a15~0)|) .cse1 .cse9) (or .cse4 (and .cse10 .cse11 .cse12 .cse13) (not (<= (+ |old(~a12~0)| 277755) 0)) .cse3) (or .cse0 .cse14 .cse1 (not (<= |old(~a12~0)| 76)) .cse9) (or .cse0 .cse8 .cse14 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse4 .cse5 (not (<= 13 |old(~a12~0)|)) .cse6) (or (not (= 10 |old(~a21~0)|)) .cse0)))) [2020-10-14 21:47:00,751 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 21:47:00,751 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 21:47:00,751 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,751 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,751 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,751 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 21:47:00,752 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 21:47:00,752 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 21:47:00,752 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 21:47:00,752 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 21:47:00,752 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 21:47:00,752 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 21:47:00,752 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 21:47:00,752 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,752 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,752 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,753 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 21:47:00,753 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 21:47:00,753 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 21:47:00,753 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 21:47:00,753 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 21:47:00,753 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 21:47:00,753 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 21:47:00,753 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 21:47:00,753 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,753 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,754 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,754 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 21:47:00,754 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 21:47:00,754 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 21:47:00,754 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 21:47:00,754 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 21:47:00,754 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 21:47:00,754 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 21:47:00,754 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 21:47:00,754 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,755 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,755 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,755 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 21:47:00,755 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 21:47:00,755 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 21:47:00,755 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 21:47:00,755 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 21:47:00,755 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 21:47:00,755 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 21:47:00,755 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 21:47:00,756 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,756 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,756 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 21:47:00,756 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 21:47:00,756 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 21:47:00,756 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 21:47:00,756 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 21:47:00,756 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 21:47:00,756 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 21:47:00,756 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 21:47:00,757 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 202) no Hoare annotation was computed. [2020-10-14 21:47:00,757 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,757 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,757 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 21:47:00,757 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 21:47:00,757 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 21:47:00,757 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 21:47:00,758 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 21:47:00,758 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 21:47:00,758 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,758 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,758 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 21:47:00,758 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 21:47:00,758 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 21:47:00,758 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 21:47:00,758 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 21:47:00,758 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 21:47:00,759 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 21:47:00,759 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 21:47:00,759 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,759 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,759 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 21:47:00,759 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 21:47:00,759 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 21:47:00,759 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 21:47:00,759 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 21:47:00,759 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 21:47:00,760 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 21:47:00,760 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,760 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,760 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,760 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 21:47:00,760 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 21:47:00,760 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 21:47:00,760 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 21:47:00,760 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 21:47:00,760 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 21:47:00,761 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,761 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,761 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 21:47:00,761 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,761 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 21:47:00,761 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 21:47:00,761 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 21:47:00,761 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 21:47:00,761 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 21:47:00,761 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 21:47:00,761 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 21:47:00,762 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 21:47:00,762 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 21:47:00,762 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 21:47:00,762 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,762 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,762 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,762 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 21:47:00,762 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 21:47:00,762 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 21:47:00,762 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 21:47:00,763 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 21:47:00,763 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 21:47:00,763 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 21:47:00,763 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 21:47:00,763 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,763 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,763 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,763 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 21:47:00,763 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 21:47:00,763 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 21:47:00,764 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 21:47:00,764 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 21:47:00,764 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 21:47:00,764 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 21:47:00,764 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 21:47:00,764 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,764 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,764 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,765 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 21:47:00,765 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 21:47:00,765 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 21:47:00,765 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 21:47:00,765 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 21:47:00,765 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 21:47:00,765 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 21:47:00,765 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 21:47:00,765 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 21:47:00,765 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,766 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,766 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,766 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 21:47:00,766 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 21:47:00,766 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 21:47:00,766 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 21:47:00,766 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 21:47:00,766 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:47:00,766 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= 7 ~a21~0) (= (+ ~a12~0 49) 0)) [2020-10-14 21:47:00,767 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 21:47:00,767 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:47:00,767 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (and (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|))) [2020-10-14 21:47:00,767 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:47:00,767 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse2 (= ~a21~0 6))) (let ((.cse1 (= ~a24~0 1)) (.cse5 (<= 12 ~a12~0)) (.cse7 (not .cse2)) (.cse6 (<= ~a12~0 73282)) (.cse3 (<= ~a21~0 8)) (.cse4 (<= 0 (+ ~a12~0 41))) (.cse0 (<= ~a15~0 5))) (or (and .cse0 .cse1 (<= (+ ~a12~0 277755) 0)) (and (<= 9 ~a21~0) (<= ~a21~0 9)) (and (<= (+ ~a12~0 49) 0) .cse2 .cse1) (= ~a21~0 10) (not (= 8 |old(~a15~0)|)) (and .cse0 (<= (+ ~a12~0 43) 0) .cse3) (and .cse0 .cse2 .cse1) (and .cse4 (<= ~a12~0 10) .cse2 .cse1) (and .cse0 .cse5 .cse6) (and (<= 13 ~a12~0) .cse2 .cse1) (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (and (not (= ~a15~0 6)) .cse7 .cse3) (and .cse5 .cse7 .cse6 .cse3) (and .cse4 .cse0 (<= ~a12~0 2))))) [2020-10-14 21:47:00,767 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 21:47:00,768 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 21:47:00,768 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse2 (= ~a21~0 6))) (let ((.cse1 (= ~a24~0 1)) (.cse5 (<= 12 ~a12~0)) (.cse7 (not .cse2)) (.cse6 (<= ~a12~0 73282)) (.cse3 (<= ~a21~0 8)) (.cse4 (<= 0 (+ ~a12~0 41))) (.cse0 (<= ~a15~0 5))) (or (and .cse0 .cse1 (<= (+ ~a12~0 277755) 0)) (and (<= 9 ~a21~0) (<= ~a21~0 9)) (and (<= (+ ~a12~0 49) 0) .cse2 .cse1) (= ~a21~0 10) (not (= 8 |old(~a15~0)|)) (and .cse0 (<= (+ ~a12~0 43) 0) .cse3) (and .cse0 .cse2 .cse1) (and .cse4 (<= ~a12~0 10) .cse2 .cse1) (and .cse0 .cse5 .cse6) (and (<= 13 ~a12~0) .cse2 .cse1) (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (and (not (= ~a15~0 6)) .cse7 .cse3) (and .cse5 .cse7 .cse6 .cse3) (and .cse4 .cse0 (<= ~a12~0 2))))) [2020-10-14 21:47:00,768 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:47:00,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:47:00 BoogieIcfgContainer [2020-10-14 21:47:00,801 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:47:00,803 INFO L168 Benchmark]: Toolchain (without parser) took 160213.07 ms. Allocated memory was 147.3 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 101.3 MB in the beginning and 1.1 GB in the end (delta: -950.3 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-10-14 21:47:00,804 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 121.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 21:47:00,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 918.72 ms. Allocated memory was 147.3 MB in the beginning and 207.6 MB in the end (delta: 60.3 MB). Free memory was 101.3 MB in the beginning and 170.3 MB in the end (delta: -69.0 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. [2020-10-14 21:47:00,805 INFO L168 Benchmark]: Boogie Preprocessor took 156.32 ms. Allocated memory is still 207.6 MB. Free memory was 170.3 MB in the beginning and 164.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2020-10-14 21:47:00,806 INFO L168 Benchmark]: RCFGBuilder took 1719.53 ms. Allocated memory was 207.6 MB in the beginning and 239.1 MB in the end (delta: 31.5 MB). Free memory was 164.3 MB in the beginning and 156.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. [2020-10-14 21:47:00,807 INFO L168 Benchmark]: TraceAbstraction took 157411.89 ms. Allocated memory was 239.1 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 154.9 MB in the beginning and 1.1 GB in the end (delta: -896.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-10-14 21:47:00,810 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 121.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 918.72 ms. Allocated memory was 147.3 MB in the beginning and 207.6 MB in the end (delta: 60.3 MB). Free memory was 101.3 MB in the beginning and 170.3 MB in the end (delta: -69.0 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 156.32 ms. Allocated memory is still 207.6 MB. Free memory was 170.3 MB in the beginning and 164.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1719.53 ms. Allocated memory was 207.6 MB in the beginning and 239.1 MB in the end (delta: 31.5 MB). Free memory was 164.3 MB in the beginning and 156.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 157411.89 ms. Allocated memory was 239.1 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 154.9 MB in the beginning and 1.1 GB in the end (delta: -896.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 202]: 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: (((((((((((((((a15 <= 5 && a24 == 1) && a12 + 277755 <= 0) || (9 <= a21 && a21 <= 9)) || ((a12 + 49 <= 0 && a21 == 6) && a24 == 1)) || a21 == 10) || !(8 == \old(a15))) || ((a15 <= 5 && a12 + 43 <= 0) && a21 <= 8)) || ((a15 <= 5 && a21 == 6) && a24 == 1)) || (((0 <= a12 + 41 && a12 <= 10) && a21 == 6) && a24 == 1)) || ((a15 <= 5 && 12 <= a12) && a12 <= 73282)) || ((13 <= a12 && a21 == 6) && a24 == 1)) || !(7 == \old(a21))) || !(\old(a12) + 49 == 0)) || ((!(a15 == 6) && !(a21 == 6)) && a21 <= 8)) || (((12 <= a12 && !(a21 == 6)) && a12 <= 73282) && a21 <= 8)) || ((0 <= a12 + 41 && a15 <= 5) && a12 <= 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 152.0s, OverallIterations: 19, TraceHistogramMax: 14, AutomataDifference: 37.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 557 SDtfs, 13378 SDslu, 869 SDs, 0 SdLazy, 23635 SolverSat, 2633 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 577 GetRequests, 365 SyntacticMatches, 4 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8890occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 19 MinimizatonAttempts, 5138 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 487 PreInvPairs, 615 NumberOfFragments, 709 HoareAnnotationTreeSize, 487 FomulaSimplifications, 657874 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 85869 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 100.3s InterpolantComputationTime, 15164 NumberOfCodeBlocks, 15164 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 15145 ConstructedInterpolants, 0 QuantifiedInterpolants, 31565482 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 46813/50455 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...