/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=BIGGEST --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/Problem01_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 11:05:29,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 11:05:29,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 11:05:29,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 11:05:29,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 11:05:29,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 11:05:29,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 11:05:29,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 11:05:29,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 11:05:29,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 11:05:29,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 11:05:29,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 11:05:29,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 11:05:29,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 11:05:29,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 11:05:29,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 11:05:29,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 11:05:29,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 11:05:29,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 11:05:29,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 11:05:29,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 11:05:29,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 11:05:29,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 11:05:29,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 11:05:29,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 11:05:29,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 11:05:29,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 11:05:29,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 11:05:29,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 11:05:29,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 11:05:29,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 11:05:29,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 11:05:29,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 11:05:29,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 11:05:29,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 11:05:29,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 11:05:29,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 11:05:29,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 11:05:29,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 11:05:29,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 11:05:29,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 11:05:29,269 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 [2020-10-12 11:05:29,291 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 11:05:29,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 11:05:29,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 11:05:29,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 11:05:29,293 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 11:05:29,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 11:05:29,293 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 11:05:29,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 11:05:29,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 11:05:29,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 11:05:29,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 11:05:29,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 11:05:29,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 11:05:29,294 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 11:05:29,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 11:05:29,295 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 11:05:29,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 11:05:29,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 11:05:29,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 11:05:29,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 11:05:29,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 11:05:29,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 11:05:29,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 11:05:29,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 11:05:29,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 11:05:29,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 11:05:29,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 11:05:29,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 11:05:29,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 11:05:29,298 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 11:05:29,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 11:05:29,632 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 11:05:29,635 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 11:05:29,637 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 11:05:29,639 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 11:05:29,640 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label23.c [2020-10-12 11:05:29,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a13fcf91e/bd70ba13ddd0437fa194d177719016b9/FLAGf3e00a7ba [2020-10-12 11:05:30,283 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 11:05:30,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label23.c [2020-10-12 11:05:30,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a13fcf91e/bd70ba13ddd0437fa194d177719016b9/FLAGf3e00a7ba [2020-10-12 11:05:30,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a13fcf91e/bd70ba13ddd0437fa194d177719016b9 [2020-10-12 11:05:30,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 11:05:30,528 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 11:05:30,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 11:05:30,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 11:05:30,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 11:05:30,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:05:30" (1/1) ... [2020-10-12 11:05:30,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ca24e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:30, skipping insertion in model container [2020-10-12 11:05:30,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:05:30" (1/1) ... [2020-10-12 11:05:30,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 11:05:30,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 11:05:31,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:05:31,095 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 11:05:31,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:05:31,351 INFO L208 MainTranslator]: Completed translation [2020-10-12 11:05:31,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:31 WrapperNode [2020-10-12 11:05:31,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 11:05:31,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 11:05:31,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 11:05:31,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 11:05:31,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:31" (1/1) ... [2020-10-12 11:05:31,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:31" (1/1) ... [2020-10-12 11:05:31,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:31" (1/1) ... [2020-10-12 11:05:31,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:31" (1/1) ... [2020-10-12 11:05:31,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:31" (1/1) ... [2020-10-12 11:05:31,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:31" (1/1) ... [2020-10-12 11:05:31,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:31" (1/1) ... [2020-10-12 11:05:31,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 11:05:31,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 11:05:31,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 11:05:31,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 11:05:31,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:31" (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 [2020-10-12 11:05:31,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 11:05:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 11:05:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 11:05:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 11:05:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 11:05:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 11:05:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 11:05:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 11:05:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 11:05:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 11:05:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 11:05:32,758 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 11:05:32,758 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 11:05:32,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:05:32 BoogieIcfgContainer [2020-10-12 11:05:32,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 11:05:32,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 11:05:32,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 11:05:32,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 11:05:32,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:05:30" (1/3) ... [2020-10-12 11:05:32,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6309afb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:05:32, skipping insertion in model container [2020-10-12 11:05:32,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:31" (2/3) ... [2020-10-12 11:05:32,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6309afb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:05:32, skipping insertion in model container [2020-10-12 11:05:32,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:05:32" (3/3) ... [2020-10-12 11:05:32,774 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label23.c [2020-10-12 11:05:32,785 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 11:05:32,794 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 11:05:32,809 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 11:05:32,837 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 11:05:32,838 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 11:05:32,838 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 11:05:32,838 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 11:05:32,838 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 11:05:32,839 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 11:05:32,839 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 11:05:32,839 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 11:05:32,865 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-12 11:05:32,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-12 11:05:32,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:05:32,880 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:05:32,880 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:05:32,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:05:32,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1083972551, now seen corresponding path program 1 times [2020-10-12 11:05:32,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:05:32,898 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906418080] [2020-10-12 11:05:32,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:05:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:33,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:33,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:34,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:34,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-12 11:05:34,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:05:34,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1584 [2020-10-12 11:05:34,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:34,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 11:05:34,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:05:34,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 11:05:34,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 11:05:35,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:05:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:35,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:35,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:35,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:05:35,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:35,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 11:05:35,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:35,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:05:35,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:35,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:05:35,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:05:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:05:35,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906418080] [2020-10-12 11:05:35,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 11:05:35,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 11:05:35,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807099933] [2020-10-12 11:05:35,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:05:35,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:05:35,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:05:35,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:05:35,731 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 13 states. [2020-10-12 11:05:36,140 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 84 [2020-10-12 11:05:36,358 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 84 [2020-10-12 11:05:36,606 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2020-10-12 11:05:36,875 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2020-10-12 11:05:37,165 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2020-10-12 11:05:37,597 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 89 [2020-10-12 11:05:38,172 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2020-10-12 11:05:38,502 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2020-10-12 11:05:39,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:05:39,459 INFO L93 Difference]: Finished difference Result 474 states and 793 transitions. [2020-10-12 11:05:39,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 11:05:39,481 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 101 [2020-10-12 11:05:39,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:05:39,495 INFO L225 Difference]: With dead ends: 474 [2020-10-12 11:05:39,496 INFO L226 Difference]: Without dead ends: 205 [2020-10-12 11:05:39,502 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=150, Invalid=312, Unknown=0, NotChecked=0, Total=462 [2020-10-12 11:05:39,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-10-12 11:05:39,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2020-10-12 11:05:39,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-12 11:05:39,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 277 transitions. [2020-10-12 11:05:39,564 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 277 transitions. Word has length 101 [2020-10-12 11:05:39,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:05:39,565 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 277 transitions. [2020-10-12 11:05:39,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:05:39,565 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 277 transitions. [2020-10-12 11:05:39,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-12 11:05:39,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:05:39,571 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 11:05:39,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 11:05:39,572 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:05:39,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:05:39,572 INFO L82 PathProgramCache]: Analyzing trace with hash -941830708, now seen corresponding path program 1 times [2020-10-12 11:05:39,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:05:39,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640460189] [2020-10-12 11:05:39,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:05:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:39,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:39,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:40,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:40,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:40,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-12 11:05:40,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:05:40,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1308 [2020-10-12 11:05:40,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:40,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:05:40,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 11:05:40,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-12 11:05:40,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:41,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:05:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:41,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:41,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:41,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:05:41,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:41,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:05:41,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:41,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:05:41,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:41,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:05:41,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:05:41,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:05:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:41,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:41,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:41,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:05:41,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:41,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 11:05:41,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:41,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:05:41,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:41,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 11:05:41,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:41,621 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:05:41,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640460189] [2020-10-12 11:05:41,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:05:41,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:05:41,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635853812] [2020-10-12 11:05:41,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:05:41,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:05:41,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:05:41,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:05:41,627 INFO L87 Difference]: Start difference. First operand 205 states and 277 transitions. Second operand 13 states. [2020-10-12 11:05:42,393 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2020-10-12 11:05:43,086 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2020-10-12 11:05:43,427 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2020-10-12 11:05:43,843 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2020-10-12 11:05:44,044 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2020-10-12 11:05:44,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:05:44,642 INFO L93 Difference]: Finished difference Result 433 states and 637 transitions. [2020-10-12 11:05:44,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-12 11:05:44,643 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 109 [2020-10-12 11:05:44,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:05:44,647 INFO L225 Difference]: With dead ends: 433 [2020-10-12 11:05:44,647 INFO L226 Difference]: Without dead ends: 294 [2020-10-12 11:05:44,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=164, Invalid=388, Unknown=0, NotChecked=0, Total=552 [2020-10-12 11:05:44,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-10-12 11:05:44,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 276. [2020-10-12 11:05:44,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-10-12 11:05:44,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 355 transitions. [2020-10-12 11:05:44,678 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 355 transitions. Word has length 109 [2020-10-12 11:05:44,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:05:44,679 INFO L479 AbstractCegarLoop]: Abstraction has 276 states and 355 transitions. [2020-10-12 11:05:44,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:05:44,679 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 355 transitions. [2020-10-12 11:05:44,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-12 11:05:44,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:05:44,683 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:05:44,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 11:05:44,683 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:05:44,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:05:44,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1277669234, now seen corresponding path program 1 times [2020-10-12 11:05:44,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:05:44,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869325591] [2020-10-12 11:05:44,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:05:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:44,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:44,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:44,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-12 11:05:44,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:44,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-10-12 11:05:44,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:44,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:05:44,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 11:05:44,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-12 11:05:44,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:45,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:05:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:45,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:45,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:45,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:05:45,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:45,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:05:45,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:45,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:05:45,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:45,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:05:45,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:45,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:05:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:45,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:45,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:45,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 11:05:45,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:45,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 11:05:45,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:45,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:05:45,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:45,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 11:05:45,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:05:45,131 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:05:45,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869325591] [2020-10-12 11:05:45,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:05:45,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:05:45,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613302054] [2020-10-12 11:05:45,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:05:45,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:05:45,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:05:45,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:05:45,134 INFO L87 Difference]: Start difference. First operand 276 states and 355 transitions. Second operand 5 states. [2020-10-12 11:05:46,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:05:46,142 INFO L93 Difference]: Finished difference Result 625 states and 850 transitions. [2020-10-12 11:05:46,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:05:46,143 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-10-12 11:05:46,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:05:46,147 INFO L225 Difference]: With dead ends: 625 [2020-10-12 11:05:46,147 INFO L226 Difference]: Without dead ends: 415 [2020-10-12 11:05:46,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:05:46,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-10-12 11:05:46,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 413. [2020-10-12 11:05:46,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-10-12 11:05:46,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 520 transitions. [2020-10-12 11:05:46,182 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 520 transitions. Word has length 112 [2020-10-12 11:05:46,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:05:46,183 INFO L479 AbstractCegarLoop]: Abstraction has 413 states and 520 transitions. [2020-10-12 11:05:46,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:05:46,183 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 520 transitions. [2020-10-12 11:05:46,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-12 11:05:46,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:05:46,188 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:05:46,189 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 11:05:46,189 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:05:46,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:05:46,189 INFO L82 PathProgramCache]: Analyzing trace with hash -2055064605, now seen corresponding path program 1 times [2020-10-12 11:05:46,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:05:46,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102001259] [2020-10-12 11:05:46,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:05:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:46,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:46,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:46,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:48,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:50,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:50,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 11:05:50,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:05:50,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4167 [2020-10-12 11:05:50,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:50,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:05:50,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-12 11:05:50,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 11:05:50,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:05:50,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:05:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:50,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:50,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:50,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:05:50,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:50,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:05:50,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:50,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:05:50,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:50,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:05:50,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:50,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:05:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:50,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:50,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:50,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 11:05:50,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:50,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:05:50,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:50,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:05:50,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:50,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:05:50,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:50,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 11:05:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:50,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:50,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:50,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 11:05:50,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:50,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:05:50,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:50,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:05:50,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:50,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 11:05:50,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:51,179 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 11:05:51,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1102001259] [2020-10-12 11:05:51,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:05:51,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 11:05:51,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492133210] [2020-10-12 11:05:51,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 11:05:51,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:05:51,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 11:05:51,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2020-10-12 11:05:51,183 INFO L87 Difference]: Start difference. First operand 413 states and 520 transitions. Second operand 14 states. [2020-10-12 11:05:51,663 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2020-10-12 11:05:51,880 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2020-10-12 11:05:52,152 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2020-10-12 11:05:52,380 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2020-10-12 11:05:52,607 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2020-10-12 11:05:53,147 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2020-10-12 11:05:53,664 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2020-10-12 11:05:54,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:05:54,274 INFO L93 Difference]: Finished difference Result 839 states and 1119 transitions. [2020-10-12 11:05:54,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:05:54,275 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 121 [2020-10-12 11:05:54,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:05:54,279 INFO L225 Difference]: With dead ends: 839 [2020-10-12 11:05:54,279 INFO L226 Difference]: Without dead ends: 492 [2020-10-12 11:05:54,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=162, Invalid=390, Unknown=0, NotChecked=0, Total=552 [2020-10-12 11:05:54,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2020-10-12 11:05:54,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 486. [2020-10-12 11:05:54,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2020-10-12 11:05:54,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 601 transitions. [2020-10-12 11:05:54,305 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 601 transitions. Word has length 121 [2020-10-12 11:05:54,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:05:54,306 INFO L479 AbstractCegarLoop]: Abstraction has 486 states and 601 transitions. [2020-10-12 11:05:54,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 11:05:54,306 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 601 transitions. [2020-10-12 11:05:54,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-12 11:05:54,310 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:05:54,310 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:05:54,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 11:05:54,311 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:05:54,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:05:54,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1662560755, now seen corresponding path program 1 times [2020-10-12 11:05:54,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:05:54,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1542900288] [2020-10-12 11:05:54,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:05:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:54,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:54,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:54,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:55,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:56,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:56,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-12 11:05:56,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:05:56,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1860 [2020-10-12 11:05:56,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:56,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 11:05:56,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:05:56,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-12 11:05:56,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:56,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:05:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:56,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:56,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:56,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:05:56,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:56,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:05:56,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:56,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:05:56,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:56,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:05:56,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 11:05:56,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:05:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:56,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:56,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:56,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:56,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 11:05:56,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:05:56,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 11:05:56,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:56,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:05:56,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:05:56,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 11:05:56,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:56,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 11:05:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:56,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:56,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:56,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 11:05:56,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:56,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 11:05:56,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:56,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:05:56,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:05:56,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 11:05:56,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:56,458 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-12 11:05:56,458 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1542900288] [2020-10-12 11:05:56,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:05:56,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:05:56,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971335926] [2020-10-12 11:05:56,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:05:56,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:05:56,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:05:56,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:05:56,461 INFO L87 Difference]: Start difference. First operand 486 states and 601 transitions. Second operand 7 states. [2020-10-12 11:05:57,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:05:57,946 INFO L93 Difference]: Finished difference Result 1206 states and 1548 transitions. [2020-10-12 11:05:57,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 11:05:57,948 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 129 [2020-10-12 11:05:57,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:05:57,958 INFO L225 Difference]: With dead ends: 1206 [2020-10-12 11:05:57,959 INFO L226 Difference]: Without dead ends: 641 [2020-10-12 11:05:57,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:05:57,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2020-10-12 11:05:58,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 633. [2020-10-12 11:05:58,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2020-10-12 11:05:58,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 728 transitions. [2020-10-12 11:05:58,007 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 728 transitions. Word has length 129 [2020-10-12 11:05:58,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:05:58,008 INFO L479 AbstractCegarLoop]: Abstraction has 633 states and 728 transitions. [2020-10-12 11:05:58,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:05:58,008 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 728 transitions. [2020-10-12 11:05:58,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-12 11:05:58,012 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:05:58,012 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:05:58,012 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 11:05:58,013 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:05:58,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:05:58,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1607169290, now seen corresponding path program 1 times [2020-10-12 11:05:58,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:05:58,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [592906413] [2020-10-12 11:05:58,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:05:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:58,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:58,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:58,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:59,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:59,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-12 11:05:59,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:05:59,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1868 [2020-10-12 11:05:59,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:59,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:05:59,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-12 11:05:59,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 11:05:59,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:00,374 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2020-10-12 11:06:00,490 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-10-12 11:06:00,621 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-10-12 11:06:00,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:06:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:00,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:00,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:00,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:06:00,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:00,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:06:00,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:00,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:00,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:00,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:00,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:00,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:06:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:00,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:01,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:01,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 11:06:01,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:01,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 11:06:01,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:01,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:06:01,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:01,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-12 11:06:01,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:01,148 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:06:01,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [592906413] [2020-10-12 11:06:01,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:06:01,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:06:01,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024409354] [2020-10-12 11:06:01,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:06:01,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:06:01,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:06:01,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:06:01,150 INFO L87 Difference]: Start difference. First operand 633 states and 728 transitions. Second operand 13 states. [2020-10-12 11:06:01,711 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 11:06:02,105 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 112 [2020-10-12 11:06:02,498 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 109 [2020-10-12 11:06:02,780 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 106 [2020-10-12 11:06:03,021 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 103 [2020-10-12 11:06:03,356 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 98 [2020-10-12 11:06:03,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:06:03,668 INFO L93 Difference]: Finished difference Result 1268 states and 1469 transitions. [2020-10-12 11:06:03,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:06:03,669 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 142 [2020-10-12 11:06:03,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:06:03,673 INFO L225 Difference]: With dead ends: 1268 [2020-10-12 11:06:03,673 INFO L226 Difference]: Without dead ends: 684 [2020-10-12 11:06:03,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2020-10-12 11:06:03,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2020-10-12 11:06:03,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 678. [2020-10-12 11:06:03,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2020-10-12 11:06:03,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 780 transitions. [2020-10-12 11:06:03,703 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 780 transitions. Word has length 142 [2020-10-12 11:06:03,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:06:03,705 INFO L479 AbstractCegarLoop]: Abstraction has 678 states and 780 transitions. [2020-10-12 11:06:03,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:06:03,705 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 780 transitions. [2020-10-12 11:06:03,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-12 11:06:03,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:06:03,708 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:06:03,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 11:06:03,708 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:06:03,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:06:03,709 INFO L82 PathProgramCache]: Analyzing trace with hash 2060450469, now seen corresponding path program 1 times [2020-10-12 11:06:03,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:06:03,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [761681108] [2020-10-12 11:06:03,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:06:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:03,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:03,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:03,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:04,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:05,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:06,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:06,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 11:06:06,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:06:06,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3231 [2020-10-12 11:06:06,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:06,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-12 11:06:06,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 11:06:06,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 11:06:06,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:07,439 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2020-10-12 11:06:08,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:06:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:08,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:08,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:08,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:06:08,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:08,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:06:08,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:08,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:08,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:08,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:08,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:06:08,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:06:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:08,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:08,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:08,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:06:08,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:08,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:06:08,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:08,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:06:08,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 11:06:08,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:06:08,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 11:06:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:08,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:08,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:08,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:08,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-12 11:06:08,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:06:08,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-12 11:06:08,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:08,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:06:08,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:06:08,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 11:06:08,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:06:08,883 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 47 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 11:06:08,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [761681108] [2020-10-12 11:06:08,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:06:08,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 11:06:08,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499439098] [2020-10-12 11:06:08,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 11:06:08,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:06:08,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 11:06:08,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-10-12 11:06:08,886 INFO L87 Difference]: Start difference. First operand 678 states and 780 transitions. Second operand 21 states. [2020-10-12 11:06:09,214 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2020-10-12 11:06:09,410 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2020-10-12 11:06:09,704 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-12 11:06:09,979 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2020-10-12 11:06:10,270 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2020-10-12 11:06:10,602 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2020-10-12 11:06:10,834 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2020-10-12 11:06:11,313 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2020-10-12 11:06:11,652 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2020-10-12 11:06:11,840 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2020-10-12 11:06:12,098 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-10-12 11:06:12,303 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2020-10-12 11:06:12,509 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2020-10-12 11:06:13,683 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-12 11:06:14,689 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-12 11:06:16,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:06:16,068 INFO L93 Difference]: Finished difference Result 1480 states and 1789 transitions. [2020-10-12 11:06:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-12 11:06:16,068 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 159 [2020-10-12 11:06:16,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:06:16,073 INFO L225 Difference]: With dead ends: 1480 [2020-10-12 11:06:16,073 INFO L226 Difference]: Without dead ends: 868 [2020-10-12 11:06:16,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1004 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=1075, Invalid=2707, Unknown=0, NotChecked=0, Total=3782 [2020-10-12 11:06:16,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2020-10-12 11:06:16,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 820. [2020-10-12 11:06:16,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 820 states. [2020-10-12 11:06:16,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 942 transitions. [2020-10-12 11:06:16,106 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 942 transitions. Word has length 159 [2020-10-12 11:06:16,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:06:16,107 INFO L479 AbstractCegarLoop]: Abstraction has 820 states and 942 transitions. [2020-10-12 11:06:16,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 11:06:16,107 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 942 transitions. [2020-10-12 11:06:16,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-12 11:06:16,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:06:16,110 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:06:16,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 11:06:16,111 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:06:16,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:06:16,111 INFO L82 PathProgramCache]: Analyzing trace with hash 257579638, now seen corresponding path program 1 times [2020-10-12 11:06:16,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:06:16,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [120386844] [2020-10-12 11:06:16,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:06:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:16,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:16,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:16,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:17,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:17,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-12 11:06:17,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:06:17,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1265 [2020-10-12 11:06:17,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:17,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:06:17,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-12 11:06:17,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 11:06:17,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:17,855 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-10-12 11:06:18,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:06:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:18,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:18,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:18,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:06:18,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:18,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:06:18,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:18,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:18,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:18,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:18,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:18,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:06:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:18,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:18,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:18,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-12 11:06:18,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:18,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 11:06:18,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:18,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:06:18,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:18,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-12 11:06:18,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:18,654 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:06:18,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [120386844] [2020-10-12 11:06:18,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:06:18,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 11:06:18,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661923686] [2020-10-12 11:06:18,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 11:06:18,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:06:18,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 11:06:18,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-10-12 11:06:18,656 INFO L87 Difference]: Start difference. First operand 820 states and 942 transitions. Second operand 14 states. [2020-10-12 11:06:19,466 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2020-10-12 11:06:19,765 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 115 [2020-10-12 11:06:20,200 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 112 [2020-10-12 11:06:20,670 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 109 [2020-10-12 11:06:20,963 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2020-10-12 11:06:21,243 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2020-10-12 11:06:21,549 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2020-10-12 11:06:21,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:06:21,967 INFO L93 Difference]: Finished difference Result 1653 states and 1907 transitions. [2020-10-12 11:06:21,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 11:06:21,968 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 164 [2020-10-12 11:06:21,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:06:21,972 INFO L225 Difference]: With dead ends: 1653 [2020-10-12 11:06:21,973 INFO L226 Difference]: Without dead ends: 879 [2020-10-12 11:06:21,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2020-10-12 11:06:21,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2020-10-12 11:06:21,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 871. [2020-10-12 11:06:21,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 871 states. [2020-10-12 11:06:22,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 994 transitions. [2020-10-12 11:06:22,001 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 994 transitions. Word has length 164 [2020-10-12 11:06:22,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:06:22,002 INFO L479 AbstractCegarLoop]: Abstraction has 871 states and 994 transitions. [2020-10-12 11:06:22,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 11:06:22,002 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 994 transitions. [2020-10-12 11:06:22,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-12 11:06:22,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:06:22,006 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, 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] [2020-10-12 11:06:22,006 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 11:06:22,006 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:06:22,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:06:22,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1342107927, now seen corresponding path program 1 times [2020-10-12 11:06:22,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:06:22,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1392827681] [2020-10-12 11:06:22,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:06:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:22,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:22,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:22,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:22,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:23,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:23,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-12 11:06:23,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:06:23,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1896 [2020-10-12 11:06:23,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:23,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:06:23,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-12 11:06:23,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 11:06:23,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:24,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:06:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:24,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:24,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:24,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:06:24,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:24,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:06:24,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:24,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:24,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:24,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:24,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:24,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:06:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:24,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:24,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:24,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 11:06:24,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:24,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 11:06:24,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:24,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:24,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:24,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:24,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:24,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 11:06:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:24,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:24,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:24,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 11:06:24,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:24,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 11:06:24,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:24,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:06:24,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:24,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 11:06:24,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:24,486 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-12 11:06:24,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1392827681] [2020-10-12 11:06:24,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:06:24,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:06:24,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754378442] [2020-10-12 11:06:24,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:06:24,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:06:24,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:06:24,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:06:24,488 INFO L87 Difference]: Start difference. First operand 871 states and 994 transitions. Second operand 13 states. [2020-10-12 11:06:25,386 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2020-10-12 11:06:25,701 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2020-10-12 11:06:25,900 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2020-10-12 11:06:26,191 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2020-10-12 11:06:26,468 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2020-10-12 11:06:26,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:06:26,829 INFO L93 Difference]: Finished difference Result 1746 states and 2041 transitions. [2020-10-12 11:06:26,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 11:06:26,829 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 175 [2020-10-12 11:06:26,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:06:26,837 INFO L225 Difference]: With dead ends: 1746 [2020-10-12 11:06:26,837 INFO L226 Difference]: Without dead ends: 941 [2020-10-12 11:06:26,839 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2020-10-12 11:06:26,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-10-12 11:06:26,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 935. [2020-10-12 11:06:26,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2020-10-12 11:06:26,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1066 transitions. [2020-10-12 11:06:26,873 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1066 transitions. Word has length 175 [2020-10-12 11:06:26,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:06:26,874 INFO L479 AbstractCegarLoop]: Abstraction has 935 states and 1066 transitions. [2020-10-12 11:06:26,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:06:26,874 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1066 transitions. [2020-10-12 11:06:26,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-12 11:06:26,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:06:26,878 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, 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] [2020-10-12 11:06:26,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 11:06:26,878 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:06:26,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:06:26,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1868312505, now seen corresponding path program 1 times [2020-10-12 11:06:26,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:06:26,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [15203959] [2020-10-12 11:06:26,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:06:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:26,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:27,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:27,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:27,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:29,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:29,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-12 11:06:29,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:06:29,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2838 [2020-10-12 11:06:29,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:29,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:06:29,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-12 11:06:29,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 11:06:29,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:06:30,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:06:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:30,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:30,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:30,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:06:30,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:30,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:06:30,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:30,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:30,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:30,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:30,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:30,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:06:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:30,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:30,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:30,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 11:06:30,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:30,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:06:30,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:30,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:30,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:30,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:30,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:30,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 11:06:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:30,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:30,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:30,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 11:06:30,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:30,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 11:06:30,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:30,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:06:30,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:30,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 11:06:30,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:30,491 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-12 11:06:30,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [15203959] [2020-10-12 11:06:30,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:06:30,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:06:30,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96775615] [2020-10-12 11:06:30,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:06:30,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:06:30,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:06:30,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:06:30,496 INFO L87 Difference]: Start difference. First operand 935 states and 1066 transitions. Second operand 13 states. [2020-10-12 11:06:31,171 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-12 11:06:31,388 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-10-12 11:06:31,668 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-10-12 11:06:31,982 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2020-10-12 11:06:32,218 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-10-12 11:06:32,462 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-10-12 11:06:32,748 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-10-12 11:06:33,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:06:33,175 INFO L93 Difference]: Finished difference Result 1870 states and 2142 transitions. [2020-10-12 11:06:33,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 11:06:33,176 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 178 [2020-10-12 11:06:33,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:06:33,181 INFO L225 Difference]: With dead ends: 1870 [2020-10-12 11:06:33,181 INFO L226 Difference]: Without dead ends: 984 [2020-10-12 11:06:33,183 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2020-10-12 11:06:33,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2020-10-12 11:06:33,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 973. [2020-10-12 11:06:33,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2020-10-12 11:06:33,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1110 transitions. [2020-10-12 11:06:33,212 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1110 transitions. Word has length 178 [2020-10-12 11:06:33,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:06:33,212 INFO L479 AbstractCegarLoop]: Abstraction has 973 states and 1110 transitions. [2020-10-12 11:06:33,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:06:33,212 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1110 transitions. [2020-10-12 11:06:33,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-12 11:06:33,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:06:33,217 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, 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] [2020-10-12 11:06:33,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 11:06:33,217 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:06:33,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:06:33,217 INFO L82 PathProgramCache]: Analyzing trace with hash -2033217885, now seen corresponding path program 1 times [2020-10-12 11:06:33,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:06:33,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [50648861] [2020-10-12 11:06:33,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:06:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:33,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:33,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:33,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:33,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:35,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:35,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-12 11:06:35,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:06:35,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2263 [2020-10-12 11:06:35,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:35,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:06:35,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-12 11:06:35,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 11:06:35,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:35,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:06:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:35,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:35,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:35,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:06:35,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:35,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:06:35,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:35,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:35,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:06:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:35,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:35,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:35,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 11:06:35,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:35,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:06:35,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:35,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:35,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:35,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:35,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:35,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 11:06:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:35,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:36,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:36,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 11:06:36,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:36,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 11:06:36,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:36,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:06:36,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:36,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 11:06:36,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:36,121 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-12 11:06:36,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [50648861] [2020-10-12 11:06:36,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:06:36,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:06:36,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005661097] [2020-10-12 11:06:36,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:06:36,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:06:36,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:06:36,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:06:36,127 INFO L87 Difference]: Start difference. First operand 973 states and 1110 transitions. Second operand 13 states. [2020-10-12 11:06:37,006 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2020-10-12 11:06:37,348 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2020-10-12 11:06:37,602 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2020-10-12 11:06:37,826 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2020-10-12 11:06:38,142 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2020-10-12 11:06:38,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:06:38,431 INFO L93 Difference]: Finished difference Result 1946 states and 2265 transitions. [2020-10-12 11:06:38,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 11:06:38,432 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 181 [2020-10-12 11:06:38,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:06:38,437 INFO L225 Difference]: With dead ends: 1946 [2020-10-12 11:06:38,438 INFO L226 Difference]: Without dead ends: 1022 [2020-10-12 11:06:38,440 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2020-10-12 11:06:38,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2020-10-12 11:06:38,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 1014. [2020-10-12 11:06:38,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1014 states. [2020-10-12 11:06:38,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1158 transitions. [2020-10-12 11:06:38,470 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1158 transitions. Word has length 181 [2020-10-12 11:06:38,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:06:38,471 INFO L479 AbstractCegarLoop]: Abstraction has 1014 states and 1158 transitions. [2020-10-12 11:06:38,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:06:38,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1158 transitions. [2020-10-12 11:06:38,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-12 11:06:38,475 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:06:38,475 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:06:38,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 11:06:38,476 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:06:38,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:06:38,476 INFO L82 PathProgramCache]: Analyzing trace with hash -858494962, now seen corresponding path program 1 times [2020-10-12 11:06:38,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:06:38,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1308530367] [2020-10-12 11:06:38,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:06:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:38,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:38,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:38,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:39,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:39,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:40,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:40,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-12 11:06:40,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:06:40,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2289 [2020-10-12 11:06:40,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:40,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:06:40,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-12 11:06:40,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 11:06:40,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:41,163 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 52 [2020-10-12 11:06:41,372 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2020-10-12 11:06:41,637 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 51 [2020-10-12 11:06:41,868 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 48 [2020-10-12 11:06:42,087 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 45 [2020-10-12 11:06:42,310 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 41 [2020-10-12 11:06:42,507 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 35 [2020-10-12 11:06:42,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:06:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:42,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:42,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:42,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:06:42,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:42,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:06:42,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:42,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:42,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:42,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:42,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:42,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:06:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:42,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:42,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:42,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:06:42,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:42,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 11:06:42,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:42,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:42,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:42,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:42,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:42,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 11:06:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:42,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:42,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:42,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-12 11:06:42,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:42,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:06:42,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:42,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:42,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:42,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:42,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:42,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 11:06:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:42,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:42,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:42,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 11:06:42,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:42,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 11:06:42,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:42,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:06:42,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:42,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 11:06:42,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:42,791 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-12 11:06:42,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1308530367] [2020-10-12 11:06:42,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:06:42,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:06:42,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803486149] [2020-10-12 11:06:42,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:06:42,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:06:42,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:06:42,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:06:42,793 INFO L87 Difference]: Start difference. First operand 1014 states and 1158 transitions. Second operand 13 states. [2020-10-12 11:06:43,226 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-12 11:06:43,414 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 11:06:43,801 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 114 [2020-10-12 11:06:44,219 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 111 [2020-10-12 11:06:44,542 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 108 [2020-10-12 11:06:44,732 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2020-10-12 11:06:45,029 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 105 [2020-10-12 11:06:45,431 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 100 [2020-10-12 11:06:45,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:06:45,702 INFO L93 Difference]: Finished difference Result 2026 states and 2358 transitions. [2020-10-12 11:06:45,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:06:45,703 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 185 [2020-10-12 11:06:45,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:06:45,708 INFO L225 Difference]: With dead ends: 2026 [2020-10-12 11:06:45,708 INFO L226 Difference]: Without dead ends: 1061 [2020-10-12 11:06:45,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2020-10-12 11:06:45,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2020-10-12 11:06:45,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1014. [2020-10-12 11:06:45,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1014 states. [2020-10-12 11:06:45,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1158 transitions. [2020-10-12 11:06:45,746 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1158 transitions. Word has length 185 [2020-10-12 11:06:45,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:06:45,746 INFO L479 AbstractCegarLoop]: Abstraction has 1014 states and 1158 transitions. [2020-10-12 11:06:45,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:06:45,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1158 transitions. [2020-10-12 11:06:45,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-12 11:06:45,751 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:06:45,751 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:06:45,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 11:06:45,752 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:06:45,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:06:45,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1383031100, now seen corresponding path program 1 times [2020-10-12 11:06:45,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:06:45,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1475072892] [2020-10-12 11:06:45,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:06:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:45,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:45,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:45,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:46,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:47,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:48,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:48,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-12 11:06:48,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:06:48,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2816 [2020-10-12 11:06:48,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:48,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:06:48,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:06:48,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 211 [2020-10-12 11:06:48,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:48,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:06:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:48,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:48,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:48,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:06:48,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:48,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:06:48,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:48,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:06:48,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:48,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:06:48,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:48,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:06:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:48,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:48,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:48,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 11:06:48,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:48,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 11:06:48,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:48,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:06:48,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:06:48,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 11:06:48,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:48,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 11:06:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:48,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:48,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:48,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 11:06:48,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:48,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 11:06:48,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:48,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:06:48,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:06:48,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 11:06:48,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:48,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 11:06:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:48,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:48,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:48,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 11:06:48,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:48,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 11:06:48,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:48,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:06:48,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:06:48,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 11:06:48,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:48,965 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 49 proven. 86 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-12 11:06:48,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1475072892] [2020-10-12 11:06:48,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:06:48,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:06:48,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718697975] [2020-10-12 11:06:48,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:06:48,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:06:48,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:06:48,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:06:48,967 INFO L87 Difference]: Start difference. First operand 1014 states and 1158 transitions. Second operand 7 states. [2020-10-12 11:06:49,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:06:49,891 INFO L93 Difference]: Finished difference Result 2897 states and 3401 transitions. [2020-10-12 11:06:49,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 11:06:49,896 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2020-10-12 11:06:49,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:06:49,906 INFO L225 Difference]: With dead ends: 2897 [2020-10-12 11:06:49,906 INFO L226 Difference]: Without dead ends: 1949 [2020-10-12 11:06:49,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2020-10-12 11:06:49,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1949 states. [2020-10-12 11:06:49,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1949 to 1891. [2020-10-12 11:06:49,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1891 states. [2020-10-12 11:06:49,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1891 states and 2139 transitions. [2020-10-12 11:06:49,964 INFO L78 Accepts]: Start accepts. Automaton has 1891 states and 2139 transitions. Word has length 203 [2020-10-12 11:06:49,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:06:49,965 INFO L479 AbstractCegarLoop]: Abstraction has 1891 states and 2139 transitions. [2020-10-12 11:06:49,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:06:49,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2139 transitions. [2020-10-12 11:06:49,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-10-12 11:06:49,972 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:06:49,972 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:06:49,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 11:06:49,973 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:06:49,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:06:49,973 INFO L82 PathProgramCache]: Analyzing trace with hash -111266005, now seen corresponding path program 1 times [2020-10-12 11:06:49,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:06:49,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [420611810] [2020-10-12 11:06:49,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:06:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:50,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:50,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:50,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:50,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:51,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:51,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-12 11:06:51,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:06:51,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1490 [2020-10-12 11:06:51,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:51,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 11:06:51,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-12 11:06:51,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-12 11:06:51,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:51,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:06:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:51,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:51,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:51,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:06:51,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:51,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:06:51,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:51,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:51,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:06:51,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:06:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:51,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:51,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:51,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-12 11:06:51,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:51,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 11:06:51,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:51,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:51,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:51,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:51,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:06:51,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 11:06:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:51,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:51,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:51,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 11:06:51,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:51,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 11:06:51,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:51,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:51,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:51,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:51,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:06:51,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 11:06:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:51,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:51,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:51,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 11:06:51,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:51,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 11:06:51,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:51,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:06:51,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:51,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 11:06:51,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:06:51,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 11:06:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:51,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:51,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:51,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:51,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 11:06:51,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:06:51,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-12 11:06:51,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:06:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:06:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 11:06:51,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:06:51,972 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 172 proven. 19 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-12 11:06:51,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [420611810] [2020-10-12 11:06:51,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:06:51,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:06:51,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040836941] [2020-10-12 11:06:51,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 11:06:51,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:06:51,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 11:06:51,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:06:51,977 INFO L87 Difference]: Start difference. First operand 1891 states and 2139 transitions. Second operand 6 states. [2020-10-12 11:06:53,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:06:53,160 INFO L93 Difference]: Finished difference Result 4280 states and 4943 transitions. [2020-10-12 11:06:53,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 11:06:53,161 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 250 [2020-10-12 11:06:53,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:06:53,170 INFO L225 Difference]: With dead ends: 4280 [2020-10-12 11:06:53,170 INFO L226 Difference]: Without dead ends: 2455 [2020-10-12 11:06:53,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:06:53,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2455 states. [2020-10-12 11:06:53,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2455 to 2304. [2020-10-12 11:06:53,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2304 states. [2020-10-12 11:06:53,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 2304 states and 2661 transitions. [2020-10-12 11:06:53,231 INFO L78 Accepts]: Start accepts. Automaton has 2304 states and 2661 transitions. Word has length 250 [2020-10-12 11:06:53,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:06:53,232 INFO L479 AbstractCegarLoop]: Abstraction has 2304 states and 2661 transitions. [2020-10-12 11:06:53,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 11:06:53,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 2661 transitions. [2020-10-12 11:06:53,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-12 11:06:53,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:06:53,239 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:06:53,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 11:06:53,239 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:06:53,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:06:53,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1985901949, now seen corresponding path program 1 times [2020-10-12 11:06:53,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:06:53,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1713099404] [2020-10-12 11:06:53,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:06:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:53,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:53,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:54,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:54,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:54,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:54,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-12 11:06:54,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:06:54,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1545 [2020-10-12 11:06:54,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:54,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:06:54,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-12 11:06:54,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-12 11:06:54,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:54,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:06:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:54,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:54,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:54,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:06:54,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:54,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:06:54,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:54,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:54,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:54,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:54,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:54,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:06:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:54,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:54,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:54,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-12 11:06:54,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:54,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 11:06:54,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:54,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:54,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:54,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:54,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:55,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 11:06:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:55,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:55,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:55,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 11:06:55,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:55,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 11:06:55,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:55,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:55,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:55,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:55,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:55,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 11:06:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:55,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:55,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:55,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 11:06:55,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:55,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:06:55,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:55,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:55,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:55,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:55,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:55,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 11:06:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:55,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:55,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:55,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 11:06:55,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:55,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 11:06:55,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:55,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:06:55,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:55,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 11:06:55,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:06:55,199 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 147 proven. 4 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2020-10-12 11:06:55,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1713099404] [2020-10-12 11:06:55,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:06:55,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:06:55,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077092386] [2020-10-12 11:06:55,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 11:06:55,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:06:55,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 11:06:55,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:06:55,202 INFO L87 Difference]: Start difference. First operand 2304 states and 2661 transitions. Second operand 6 states. [2020-10-12 11:06:56,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:06:56,290 INFO L93 Difference]: Finished difference Result 4687 states and 5445 transitions. [2020-10-12 11:06:56,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:06:56,296 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 255 [2020-10-12 11:06:56,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:06:56,297 INFO L225 Difference]: With dead ends: 4687 [2020-10-12 11:06:56,297 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 11:06:56,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:06:56,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 11:06:56,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 11:06:56,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 11:06:56,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 11:06:56,308 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 255 [2020-10-12 11:06:56,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:06:56,309 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 11:06:56,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 11:06:56,309 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 11:06:56,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 11:06:56,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 11:06:56,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 11:06:57,068 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 73 [2020-10-12 11:06:57,199 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 47 [2020-10-12 11:06:57,378 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 51 [2020-10-12 11:06:58,647 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 282 DAG size of output: 102 [2020-10-12 11:06:59,115 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 82 [2020-10-12 11:06:59,373 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 59 [2020-10-12 11:06:59,377 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:06:59,378 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-12 11:06:59,378 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:06:59,378 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-10-12 11:06:59,378 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-10-12 11:06:59,378 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,378 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,378 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,379 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,379 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,379 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,379 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-10-12 11:06:59,379 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-10-12 11:06:59,379 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-10-12 11:06:59,379 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-10-12 11:06:59,379 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-10-12 11:06:59,379 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-10-12 11:06:59,379 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-10-12 11:06:59,380 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-10-12 11:06:59,380 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-10-12 11:06:59,380 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-10-12 11:06:59,382 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,382 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,382 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,382 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,382 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,382 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,382 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-10-12 11:06:59,383 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-10-12 11:06:59,383 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-10-12 11:06:59,383 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-10-12 11:06:59,383 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-10-12 11:06:59,383 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-10-12 11:06:59,383 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-10-12 11:06:59,383 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-10-12 11:06:59,383 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-10-12 11:06:59,383 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-10-12 11:06:59,384 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-10-12 11:06:59,384 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2020-10-12 11:06:59,384 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-10-12 11:06:59,384 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-10-12 11:06:59,384 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-10-12 11:06:59,384 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-10-12 11:06:59,384 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,384 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,385 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,385 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,385 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,385 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-10-12 11:06:59,385 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-10-12 11:06:59,386 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-10-12 11:06:59,386 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-10-12 11:06:59,386 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-10-12 11:06:59,386 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-10-12 11:06:59,386 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-10-12 11:06:59,386 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-10-12 11:06:59,386 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-10-12 11:06:59,386 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,386 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,387 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,387 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,387 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,387 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-10-12 11:06:59,388 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-10-12 11:06:59,388 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-10-12 11:06:59,389 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-10-12 11:06:59,389 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-10-12 11:06:59,389 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-10-12 11:06:59,389 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-10-12 11:06:59,389 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-10-12 11:06:59,389 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-10-12 11:06:59,389 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-10-12 11:06:59,389 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-10-12 11:06:59,389 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-10-12 11:06:59,389 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-10-12 11:06:59,390 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,390 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,390 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,390 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,390 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,390 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-10-12 11:06:59,390 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-10-12 11:06:59,390 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-10-12 11:06:59,390 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-10-12 11:06:59,390 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-10-12 11:06:59,391 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-10-12 11:06:59,391 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-10-12 11:06:59,391 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-10-12 11:06:59,391 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-10-12 11:06:59,391 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,391 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,391 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,391 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,391 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,391 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,391 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-10-12 11:06:59,392 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,392 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-10-12 11:06:59,392 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-10-12 11:06:59,392 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-10-12 11:06:59,392 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-10-12 11:06:59,392 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-10-12 11:06:59,392 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-10-12 11:06:59,392 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-10-12 11:06:59,392 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-10-12 11:06:59,393 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-10-12 11:06:59,393 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-10-12 11:06:59,393 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-10-12 11:06:59,393 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-10-12 11:06:59,393 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-10-12 11:06:59,393 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,393 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,393 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,393 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,394 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,395 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-10-12 11:06:59,395 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-10-12 11:06:59,395 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-10-12 11:06:59,395 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-10-12 11:06:59,396 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-10-12 11:06:59,396 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-10-12 11:06:59,396 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-10-12 11:06:59,396 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-10-12 11:06:59,396 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,397 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,397 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,398 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,398 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,398 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-10-12 11:06:59,398 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-10-12 11:06:59,398 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-10-12 11:06:59,398 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-10-12 11:06:59,398 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-10-12 11:06:59,398 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-10-12 11:06:59,398 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-10-12 11:06:59,399 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-10-12 11:06:59,399 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-10-12 11:06:59,399 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-10-12 11:06:59,399 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse3 (= ~a20~0 |old(~a20~0)|)) (.cse4 (= ~a16~0 |old(~a16~0)|)) (.cse5 (= ~a8~0 |old(~a8~0)|))) (let ((.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse6 (not (<= |old(~a21~0)| 1))) (.cse7 (not (<= 1 |old(~a21~0)|))) (.cse8 (and .cse0 .cse1 .cse3 .cse4 .cse5 (<= ~a21~0 1) (<= 1 ~a21~0))) (.cse9 (not (<= |old(~a20~0)| 1)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~a20~0)| 0))) (or (not (= |old(~a8~0)| 13)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~a8~0 13))) (or (not (<= 5 |old(~a16~0)|)) .cse6 .cse7 .cse8 .cse9) (or (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 2)) (not (<= 2 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1)))) (not (<= |old(~a17~0)| 0)) (and .cse1 .cse0 (= ~a21~0 1) .cse3 (= ~a8~0 15) (= ~a16~0 4)) (not (= |old(~a21~0)| 1)) (not (= 15 |old(~a8~0)|)) (not (= ~a12~0 8)) (not (= 4 |old(~a16~0)|)) (= |old(~a7~0)| 1) .cse9) (or .cse6 .cse7 .cse8 (not (= |old(~a7~0)| 0)) .cse9)))) [2020-10-12 11:06:59,400 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-10-12 11:06:59,400 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,400 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,400 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,400 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,400 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-10-12 11:06:59,400 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,400 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,400 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-10-12 11:06:59,400 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-10-12 11:06:59,401 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-10-12 11:06:59,401 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-10-12 11:06:59,401 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-10-12 11:06:59,401 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-10-12 11:06:59,401 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-10-12 11:06:59,401 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-10-12 11:06:59,401 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-10-12 11:06:59,401 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-10-12 11:06:59,401 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-10-12 11:06:59,402 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-10-12 11:06:59,402 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,402 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,402 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,402 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,402 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,402 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-10-12 11:06:59,402 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,402 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-10-12 11:06:59,403 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-10-12 11:06:59,403 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-10-12 11:06:59,403 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-10-12 11:06:59,403 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-10-12 11:06:59,403 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-10-12 11:06:59,403 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-10-12 11:06:59,403 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-10-12 11:06:59,403 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-10-12 11:06:59,403 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-10-12 11:06:59,404 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-10-12 11:06:59,404 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-10-12 11:06:59,404 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-10-12 11:06:59,404 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-10-12 11:06:59,404 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,404 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,404 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,404 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,404 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,404 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:06:59,405 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-10-12 11:06:59,405 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-10-12 11:06:59,405 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-10-12 11:06:59,405 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-10-12 11:06:59,405 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-10-12 11:06:59,405 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-10-12 11:06:59,405 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-10-12 11:06:59,405 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-10-12 11:06:59,406 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-10-12 11:06:59,406 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-10-12 11:06:59,406 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:06:59,406 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~a20~0) (<= ~a16~0 5) (<= ~a20~0 ~a17~0) (<= ~a17~0 ~a20~0) (= ~a12~0 8) (<= ~a21~0 1) (<= 5 ~a16~0) (<= ~a8~0 15) (<= ~a20~0 ~a21~0) (= ~a7~0 0) (<= 15 ~a8~0)) [2020-10-12 11:06:59,406 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 11:06:59,406 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:06:59,407 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a20~0)| |old(~a17~0)|)) (not (<= |old(~a8~0)| 15)) (not (<= |old(~a16~0)| 5)) (and (= ~a20~0 |old(~a20~0)|) (<= ~a20~0 ~a17~0) (<= ~a17~0 ~a20~0) (= ~a16~0 |old(~a16~0)|) (<= ~a21~0 ~a20~0) (<= ~a8~0 15) (<= ~a20~0 ~a21~0) (<= 15 ~a8~0) (= ~a7~0 0)) (not (<= |old(~a21~0)| |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (not (<= 1 |old(~a21~0)|)) (not (<= |old(~a17~0)| |old(~a20~0)|)) (not (= ~a12~0 8)) (not (<= |old(~a20~0)| 1)) (not (= |old(~a7~0)| 0))) [2020-10-12 11:06:59,407 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-10-12 11:06:59,407 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~a21~0 1)) (.cse1 (<= ~a20~0 1)) (.cse2 (<= 1 ~a21~0))) (or (not (<= 5 |old(~a16~0)|)) (and (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 2 main_~input~0) (<= main_~input~0 2)) (and (<= 6 main_~input~0) (<= main_~input~0 6)) (and (<= main_~input~0 3) (<= 3 main_~input~0)) (and (<= main_~input~0 1) (<= 1 main_~input~0)) (and (<= main_~input~0 5) (<= 5 main_~input~0))) (<= ~a17~0 0) (= ~a8~0 15) .cse0 (= ~a16~0 4) (not (= ~a7~0 1)) (<= ~a20~0 ~a21~0)) (and .cse0 .cse1 .cse2 (<= 5 ~a16~0)) (not (<= |old(~a8~0)| 15)) (not (<= |old(~a21~0)| |old(~a20~0)|)) (not (<= |old(~a17~0)| |old(~a20~0)|)) (not (<= |old(~a20~0)| 1)) (<= ~a20~0 0) (not (<= |old(~a20~0)| |old(~a17~0)|)) (and .cse0 .cse1 .cse2 (= ~a7~0 0)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (<= 1 |old(~a21~0)|)) (= ~a8~0 13) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0)))) [2020-10-12 11:06:59,407 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-10-12 11:06:59,407 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-12 11:06:59,408 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (<= ~a20~0 1)) (.cse2 (<= 1 ~a21~0)) (.cse0 (<= ~a21~0 1))) (or (not (<= 5 |old(~a16~0)|)) (and .cse0 .cse1 .cse2 (<= 5 ~a16~0)) (not (<= |old(~a8~0)| 15)) (not (<= |old(~a21~0)| |old(~a20~0)|)) (not (<= |old(~a17~0)| |old(~a20~0)|)) (not (<= |old(~a20~0)| 1)) (<= ~a20~0 0) (not (<= |old(~a20~0)| |old(~a17~0)|)) (and .cse0 .cse1 .cse2 (= ~a7~0 0)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (<= 1 |old(~a21~0)|)) (and (<= ~a17~0 0) (= ~a8~0 15) .cse0 (= ~a16~0 4) (not (= ~a7~0 1)) (<= ~a20~0 ~a21~0)) (= ~a8~0 13) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0)))) [2020-10-12 11:06:59,408 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-10-12 11:06:59,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:06:59 BoogieIcfgContainer [2020-10-12 11:06:59,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 11:06:59,461 INFO L168 Benchmark]: Toolchain (without parser) took 88933.04 ms. Allocated memory was 140.5 MB in the beginning and 1.0 GB in the end (delta: 889.7 MB). Free memory was 101.5 MB in the beginning and 900.3 MB in the end (delta: -798.8 MB). Peak memory consumption was 876.2 MB. Max. memory is 7.1 GB. [2020-10-12 11:06:59,462 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 11:06:59,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.21 ms. Allocated memory was 140.5 MB in the beginning and 206.0 MB in the end (delta: 65.5 MB). Free memory was 101.3 MB in the beginning and 172.5 MB in the end (delta: -71.1 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. [2020-10-12 11:06:59,463 INFO L168 Benchmark]: Boogie Preprocessor took 141.01 ms. Allocated memory is still 206.0 MB. Free memory was 172.5 MB in the beginning and 167.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-10-12 11:06:59,463 INFO L168 Benchmark]: RCFGBuilder took 1271.01 ms. Allocated memory was 206.0 MB in the beginning and 237.5 MB in the end (delta: 31.5 MB). Free memory was 167.6 MB in the beginning and 179.1 MB in the end (delta: -11.5 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2020-10-12 11:06:59,469 INFO L168 Benchmark]: TraceAbstraction took 86692.64 ms. Allocated memory was 237.5 MB in the beginning and 1.0 GB in the end (delta: 792.7 MB). Free memory was 177.7 MB in the beginning and 900.3 MB in the end (delta: -722.6 MB). Peak memory consumption was 855.4 MB. Max. memory is 7.1 GB. [2020-10-12 11:06:59,472 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 822.21 ms. Allocated memory was 140.5 MB in the beginning and 206.0 MB in the end (delta: 65.5 MB). Free memory was 101.3 MB in the beginning and 172.5 MB in the end (delta: -71.1 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.01 ms. Allocated memory is still 206.0 MB. Free memory was 172.5 MB in the beginning and 167.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1271.01 ms. Allocated memory was 206.0 MB in the beginning and 237.5 MB in the end (delta: 31.5 MB). Free memory was 167.6 MB in the beginning and 179.1 MB in the end (delta: -11.5 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 86692.64 ms. Allocated memory was 237.5 MB in the beginning and 1.0 GB in the end (delta: 792.7 MB). Free memory was 177.7 MB in the beginning and 900.3 MB in the end (delta: -722.6 MB). Peak memory consumption was 855.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((((!(5 <= \old(a16)) || (((a21 <= 1 && a20 <= 1) && 1 <= a21) && 5 <= a16)) || !(\old(a8) <= 15)) || !(\old(a21) <= \old(a20))) || !(\old(a17) <= \old(a20))) || !(\old(a20) <= 1)) || a20 <= 0) || !(\old(a20) <= \old(a17))) || (((a21 <= 1 && a20 <= 1) && 1 <= a21) && a7 == 0)) || !(\old(a16) <= 5)) || !(15 <= \old(a8))) || !(1 <= \old(a21))) || (((((a17 <= 0 && a8 == 15) && a21 <= 1) && a16 == 4) && !(a7 == 1)) && a20 <= a21)) || a8 == 13) || !(a12 == 8)) || !(\old(a7) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 83.4s, OverallIterations: 15, TraceHistogramMax: 5, AutomataDifference: 38.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 384 SDtfs, 6543 SDslu, 666 SDs, 0 SdLazy, 13555 SolverSat, 1147 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 397 GetRequests, 122 SyntacticMatches, 4 SemanticMatches, 271 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1511 ImplicationChecksByTransitivity, 27.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2304occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 377 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 169 PreInvPairs, 229 NumberOfFragments, 632 HoareAnnotationTreeSize, 169 FomulaSimplifications, 6327 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5591 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 41.4s InterpolantComputationTime, 2464 NumberOfCodeBlocks, 2464 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2449 ConstructedInterpolants, 0 QuantifiedInterpolants, 4988638 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 1 PerfectInterpolantSequences, 1235/1408 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...