/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 21:43:50,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 21:43:50,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 21:43:50,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 21:43:50,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 21:43:50,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 21:43:50,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 21:43:50,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 21:43:50,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 21:43:50,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 21:43:50,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 21:43:50,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 21:43:50,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 21:43:50,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 21:43:50,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 21:43:50,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 21:43:50,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 21:43:50,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 21:43:50,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 21:43:50,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 21:43:50,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 21:43:50,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 21:43:50,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 21:43:50,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 21:43:50,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 21:43:50,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 21:43:50,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 21:43:50,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 21:43:50,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 21:43:50,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 21:43:50,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 21:43:50,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 21:43:50,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 21:43:50,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 21:43:50,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 21:43:50,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 21:43:50,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 21:43:50,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 21:43:50,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 21:43:50,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 21:43:50,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 21:43:50,264 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 21:43:50,292 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 21:43:50,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 21:43:50,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 21:43:50,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 21:43:50,294 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 21:43:50,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 21:43:50,295 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 21:43:50,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 21:43:50,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 21:43:50,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 21:43:50,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 21:43:50,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 21:43:50,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 21:43:50,296 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 21:43:50,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 21:43:50,296 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 21:43:50,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 21:43:50,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 21:43:50,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 21:43:50,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 21:43:50,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 21:43:50,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:43:50,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 21:43:50,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 21:43:50,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 21:43:50,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 21:43:50,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 21:43:50,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 21:43:50,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 21:43:50,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 21:43:50,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 21:43:50,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 21:43:50,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 21:43:50,650 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 21:43:50,651 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 21:43:50,652 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label23.c [2020-10-14 21:43:50,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da5815191/a7dfea68da064353beacaba9a5ad06ff/FLAGad31d3821 [2020-10-14 21:43:51,325 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 21:43:51,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label23.c [2020-10-14 21:43:51,343 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da5815191/a7dfea68da064353beacaba9a5ad06ff/FLAGad31d3821 [2020-10-14 21:43:51,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da5815191/a7dfea68da064353beacaba9a5ad06ff [2020-10-14 21:43:51,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 21:43:51,590 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 21:43:51,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 21:43:51,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 21:43:51,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 21:43:51,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:43:51" (1/1) ... [2020-10-14 21:43:51,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697b2ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:51, skipping insertion in model container [2020-10-14 21:43:51,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:43:51" (1/1) ... [2020-10-14 21:43:51,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 21:43:51,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 21:43:52,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:43:52,110 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 21:43:52,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:43:52,443 INFO L208 MainTranslator]: Completed translation [2020-10-14 21:43:52,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:52 WrapperNode [2020-10-14 21:43:52,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 21:43:52,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 21:43:52,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 21:43:52,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 21:43:52,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:52" (1/1) ... [2020-10-14 21:43:52,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:52" (1/1) ... [2020-10-14 21:43:52,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:52" (1/1) ... [2020-10-14 21:43:52,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:52" (1/1) ... [2020-10-14 21:43:52,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:52" (1/1) ... [2020-10-14 21:43:52,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:52" (1/1) ... [2020-10-14 21:43:52,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:52" (1/1) ... [2020-10-14 21:43:52,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 21:43:52,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 21:43:52,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 21:43:52,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 21:43:52,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:43:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 21:43:52,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 21:43:52,655 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 21:43:52,655 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 21:43:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 21:43:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 21:43:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 21:43:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 21:43:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 21:43:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 21:43:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 21:43:53,962 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 21:43:53,963 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 21:43:53,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:43:53 BoogieIcfgContainer [2020-10-14 21:43:53,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 21:43:53,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 21:43:53,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 21:43:53,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 21:43:53,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:43:51" (1/3) ... [2020-10-14 21:43:53,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621b2832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:43:53, skipping insertion in model container [2020-10-14 21:43:53,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:52" (2/3) ... [2020-10-14 21:43:53,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621b2832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:43:53, skipping insertion in model container [2020-10-14 21:43:53,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:43:53" (3/3) ... [2020-10-14 21:43:53,979 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label23.c [2020-10-14 21:43:53,990 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 21:43:53,998 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 21:43:54,012 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 21:43:54,039 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 21:43:54,039 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 21:43:54,039 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 21:43:54,040 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 21:43:54,040 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 21:43:54,040 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 21:43:54,040 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 21:43:54,040 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 21:43:54,064 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 21:43:54,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-14 21:43:54,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:54,073 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] [2020-10-14 21:43:54,073 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:54,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:54,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1582887541, now seen corresponding path program 1 times [2020-10-14 21:43:54,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:54,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1957212668] [2020-10-14 21:43:54,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:54,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:54,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:54,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 21:43:54,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:54,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 448 [2020-10-14 21:43:54,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:54,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:54,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:43:54,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:43:54,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-14 21:43:54,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 21:43:54,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:54,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:54,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:54,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:54,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:54,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 21:43:54,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:54,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:54,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:54,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:54,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:43:54,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:43:54,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:43:54,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1957212668] [2020-10-14 21:43:54,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:43:54,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 21:43:54,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203359969] [2020-10-14 21:43:54,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 21:43:54,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:54,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 21:43:54,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 21:43:54,996 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-14 21:43:56,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:56,760 INFO L93 Difference]: Finished difference Result 698 states and 1238 transitions. [2020-10-14 21:43:56,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:43:56,762 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-10-14 21:43:56,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:56,781 INFO L225 Difference]: With dead ends: 698 [2020-10-14 21:43:56,781 INFO L226 Difference]: Without dead ends: 380 [2020-10-14 21:43:56,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:43:56,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-14 21:43:56,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-14 21:43:56,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-14 21:43:56,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 539 transitions. [2020-10-14 21:43:56,867 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 539 transitions. Word has length 38 [2020-10-14 21:43:56,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:56,868 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 539 transitions. [2020-10-14 21:43:56,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 21:43:56,868 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 539 transitions. [2020-10-14 21:43:56,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-14 21:43:56,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:56,877 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:43:56,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 21:43:56,877 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:56,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:56,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1641808462, now seen corresponding path program 1 times [2020-10-14 21:43:56,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:56,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2111125959] [2020-10-14 21:43:56,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:56,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:57,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:57,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:57,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:57,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:43:57,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:43:57,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 801 [2020-10-14 21:43:57,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:57,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:57,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:43:57,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:43:57,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 21:43:57,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:43:57,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:57,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:57,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:57,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:57,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:57,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 21:43:57,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:57,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:57,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:57,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:57,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:43:57,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:57,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:57,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:57,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:57,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 21:43:57,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:57,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 21:43:57,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:57,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:57,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:57,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:57,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:43:57,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:58,008 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:43:58,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2111125959] [2020-10-14 21:43:58,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:43:58,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:43:58,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057091127] [2020-10-14 21:43:58,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:43:58,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:58,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:43:58,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:43:58,012 INFO L87 Difference]: Start difference. First operand 376 states and 539 transitions. Second operand 7 states. [2020-10-14 21:44:00,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:00,222 INFO L93 Difference]: Finished difference Result 1162 states and 1726 transitions. [2020-10-14 21:44:00,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:44:00,223 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 108 [2020-10-14 21:44:00,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:00,231 INFO L225 Difference]: With dead ends: 1162 [2020-10-14 21:44:00,232 INFO L226 Difference]: Without dead ends: 792 [2020-10-14 21:44:00,233 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:44:00,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2020-10-14 21:44:00,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 748. [2020-10-14 21:44:00,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2020-10-14 21:44:00,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1003 transitions. [2020-10-14 21:44:00,302 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1003 transitions. Word has length 108 [2020-10-14 21:44:00,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:00,302 INFO L479 AbstractCegarLoop]: Abstraction has 748 states and 1003 transitions. [2020-10-14 21:44:00,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:00,303 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1003 transitions. [2020-10-14 21:44:00,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-14 21:44:00,305 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:00,305 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:00,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 21:44:00,305 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:00,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:00,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1912359978, now seen corresponding path program 1 times [2020-10-14 21:44:00,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:00,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2083875974] [2020-10-14 21:44:00,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:00,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:00,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:00,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:00,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:00,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 21:44:00,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:44:00,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 452 [2020-10-14 21:44:00,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:00,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:44:00,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:44:00,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 21:44:00,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:00,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:00,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:00,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:00,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:00,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:00,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 21:44:00,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:00,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:00,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:00,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:00,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:44:00,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:44:00,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:00,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:01,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:01,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:44:01,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:01,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 21:44:01,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:01,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:01,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 21:44:01,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:01,090 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:44:01,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2083875974] [2020-10-14 21:44:01,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:44:01,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:44:01,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781184546] [2020-10-14 21:44:01,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:01,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:01,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:01,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:01,093 INFO L87 Difference]: Start difference. First operand 748 states and 1003 transitions. Second operand 7 states. [2020-10-14 21:44:02,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:02,991 INFO L93 Difference]: Finished difference Result 2064 states and 2809 transitions. [2020-10-14 21:44:02,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:44:02,992 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 110 [2020-10-14 21:44:02,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:03,001 INFO L225 Difference]: With dead ends: 2064 [2020-10-14 21:44:03,001 INFO L226 Difference]: Without dead ends: 1322 [2020-10-14 21:44:03,004 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:44:03,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1322 states. [2020-10-14 21:44:03,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1322 to 1308. [2020-10-14 21:44:03,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1308 states. [2020-10-14 21:44:03,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 1642 transitions. [2020-10-14 21:44:03,050 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 1642 transitions. Word has length 110 [2020-10-14 21:44:03,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:03,051 INFO L479 AbstractCegarLoop]: Abstraction has 1308 states and 1642 transitions. [2020-10-14 21:44:03,051 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:03,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1642 transitions. [2020-10-14 21:44:03,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-14 21:44:03,054 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:03,054 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:03,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 21:44:03,054 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:03,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:03,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1492402002, now seen corresponding path program 1 times [2020-10-14 21:44:03,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:03,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2009986297] [2020-10-14 21:44:03,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:03,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:03,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:03,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:03,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:44:03,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:44:03,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-10-14 21:44:03,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:03,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:03,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:03,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-14 21:44:03,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 21:44:03,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:03,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:03,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:03,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:03,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:03,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:03,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:44:03,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:03,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:03,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:03,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:03,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:03,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:03,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:03,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:03,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:03,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:44:03,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:03,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 21:44:03,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:03,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:03,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:03,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:03,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:44:03,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:03,559 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:44:03,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2009986297] [2020-10-14 21:44:03,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:03,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:44:03,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231250764] [2020-10-14 21:44:03,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:44:03,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:03,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:44:03,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:44:03,563 INFO L87 Difference]: Start difference. First operand 1308 states and 1642 transitions. Second operand 5 states. [2020-10-14 21:44:05,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:05,223 INFO L93 Difference]: Finished difference Result 2802 states and 3679 transitions. [2020-10-14 21:44:05,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:44:05,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-10-14 21:44:05,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:05,241 INFO L225 Difference]: With dead ends: 2802 [2020-10-14 21:44:05,242 INFO L226 Difference]: Without dead ends: 1682 [2020-10-14 21:44:05,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:44:05,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2020-10-14 21:44:05,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1680. [2020-10-14 21:44:05,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2020-10-14 21:44:05,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2087 transitions. [2020-10-14 21:44:05,317 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2087 transitions. Word has length 122 [2020-10-14 21:44:05,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:05,319 INFO L479 AbstractCegarLoop]: Abstraction has 1680 states and 2087 transitions. [2020-10-14 21:44:05,319 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:44:05,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2087 transitions. [2020-10-14 21:44:05,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-14 21:44:05,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:05,328 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:44:05,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 21:44:05,329 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:05,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:05,329 INFO L82 PathProgramCache]: Analyzing trace with hash 494910482, now seen corresponding path program 1 times [2020-10-14 21:44:05,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:05,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1077528326] [2020-10-14 21:44:05,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:05,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:05,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:06,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:06,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:07,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:08,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:08,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-14 21:44:08,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:44:08,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3325 [2020-10-14 21:44:08,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:08,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:08,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:44:08,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:44:08,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-14 21:44:08,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:08,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:08,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:08,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:08,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:08,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:08,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:44:08,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:08,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:08,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:08,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:08,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:44:08,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:08,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:08,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:08,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:08,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:44:08,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:08,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-14 21:44:08,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:08,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:08,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:08,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:08,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 21:44:08,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:09,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 21:44:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:09,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:09,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:09,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:44:09,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:09,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-14 21:44:09,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:09,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:09,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:09,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:09,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:44:09,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:09,372 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 63 proven. 78 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 21:44:09,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1077528326] [2020-10-14 21:44:09,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:09,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:44:09,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070362419] [2020-10-14 21:44:09,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:44:09,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:09,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:44:09,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:44:09,377 INFO L87 Difference]: Start difference. First operand 1680 states and 2087 transitions. Second operand 8 states. [2020-10-14 21:44:11,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:11,478 INFO L93 Difference]: Finished difference Result 3404 states and 4477 transitions. [2020-10-14 21:44:11,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 21:44:11,481 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 205 [2020-10-14 21:44:11,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:11,493 INFO L225 Difference]: With dead ends: 3404 [2020-10-14 21:44:11,493 INFO L226 Difference]: Without dead ends: 2280 [2020-10-14 21:44:11,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-14 21:44:11,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2280 states. [2020-10-14 21:44:11,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2280 to 2070. [2020-10-14 21:44:11,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2070 states. [2020-10-14 21:44:11,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 2070 states and 2542 transitions. [2020-10-14 21:44:11,560 INFO L78 Accepts]: Start accepts. Automaton has 2070 states and 2542 transitions. Word has length 205 [2020-10-14 21:44:11,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:11,562 INFO L479 AbstractCegarLoop]: Abstraction has 2070 states and 2542 transitions. [2020-10-14 21:44:11,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:44:11,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2542 transitions. [2020-10-14 21:44:11,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-10-14 21:44:11,567 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:11,567 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:44:11,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 21:44:11,568 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:11,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:11,568 INFO L82 PathProgramCache]: Analyzing trace with hash 379450025, now seen corresponding path program 1 times [2020-10-14 21:44:11,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:11,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139273831] [2020-10-14 21:44:11,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:11,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:11,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:12,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:12,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:13,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:13,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-14 21:44:13,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:44:13,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1592 [2020-10-14 21:44:13,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:13,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:13,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:44:13,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-14 21:44:13,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-14 21:44:13,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:13,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:13,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:13,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:13,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:13,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:13,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:44:13,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:13,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:13,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:13,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:13,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:13,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:13,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:13,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:13,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:13,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:44:13,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:13,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 21:44:13,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:13,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:13,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:13,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:13,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:44:13,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:13,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 21:44:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:13,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:13,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:13,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:13,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:44:13,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:44:13,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 472 [2020-10-14 21:44:13,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:13,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:13,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:13,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:13,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 21:44:13,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:14,012 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 110 proven. 31 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 21:44:14,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [139273831] [2020-10-14 21:44:14,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:14,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:44:14,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103325236] [2020-10-14 21:44:14,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:44:14,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:14,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:44:14,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:44:14,015 INFO L87 Difference]: Start difference. First operand 2070 states and 2542 transitions. Second operand 6 states. [2020-10-14 21:44:15,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:15,602 INFO L93 Difference]: Finished difference Result 4348 states and 5597 transitions. [2020-10-14 21:44:15,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:44:15,603 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 262 [2020-10-14 21:44:15,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:15,613 INFO L225 Difference]: With dead ends: 4348 [2020-10-14 21:44:15,614 INFO L226 Difference]: Without dead ends: 2084 [2020-10-14 21:44:15,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:44:15,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2020-10-14 21:44:15,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 1882. [2020-10-14 21:44:15,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1882 states. [2020-10-14 21:44:15,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1882 states and 2132 transitions. [2020-10-14 21:44:15,696 INFO L78 Accepts]: Start accepts. Automaton has 1882 states and 2132 transitions. Word has length 262 [2020-10-14 21:44:15,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:15,696 INFO L479 AbstractCegarLoop]: Abstraction has 1882 states and 2132 transitions. [2020-10-14 21:44:15,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:44:15,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2132 transitions. [2020-10-14 21:44:15,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2020-10-14 21:44:15,705 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:15,705 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:15,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 21:44:15,706 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:15,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:15,706 INFO L82 PathProgramCache]: Analyzing trace with hash -324737621, now seen corresponding path program 1 times [2020-10-14 21:44:15,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:15,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1121709182] [2020-10-14 21:44:15,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:15,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:15,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:16,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:17,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:17,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:19,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:20,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:20,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 440 [2020-10-14 21:44:20,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:44:20,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-14 21:44:20,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:20,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:20,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:44:20,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:44:20,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-14 21:44:20,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:20,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:20,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:20,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:20,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:20,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:20,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:44:20,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:20,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:20,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:20,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:20,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:20,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:20,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:20,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:20,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:20,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:20,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:20,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:44:20,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:20,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:20,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:20,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:20,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:20,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:20,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:21,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:21,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:21,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:21,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:21,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 21:44:21,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:21,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:21,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:21,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:21,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:44:21,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:21,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:21,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:21,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:21,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:21,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:44:21,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:44:21,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-14 21:44:21,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:21,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:21,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:44:21,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:21,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-10-14 21:44:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:21,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:21,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:21,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:44:21,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:21,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-14 21:44:21,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:21,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:21,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:21,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:21,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:44:21,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:21,921 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 377 proven. 4 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2020-10-14 21:44:21,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1121709182] [2020-10-14 21:44:21,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:21,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:44:21,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952885814] [2020-10-14 21:44:21,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:44:21,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:21,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:44:21,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:44:21,927 INFO L87 Difference]: Start difference. First operand 1882 states and 2132 transitions. Second operand 8 states. [2020-10-14 21:44:24,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:24,266 INFO L93 Difference]: Finished difference Result 4512 states and 5328 transitions. [2020-10-14 21:44:24,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 21:44:24,271 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 424 [2020-10-14 21:44:24,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:24,282 INFO L225 Difference]: With dead ends: 4512 [2020-10-14 21:44:24,282 INFO L226 Difference]: Without dead ends: 2628 [2020-10-14 21:44:24,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-10-14 21:44:24,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2020-10-14 21:44:24,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 2618. [2020-10-14 21:44:24,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2618 states. [2020-10-14 21:44:24,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2618 states to 2618 states and 2857 transitions. [2020-10-14 21:44:24,346 INFO L78 Accepts]: Start accepts. Automaton has 2618 states and 2857 transitions. Word has length 424 [2020-10-14 21:44:24,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:24,347 INFO L479 AbstractCegarLoop]: Abstraction has 2618 states and 2857 transitions. [2020-10-14 21:44:24,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:44:24,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2618 states and 2857 transitions. [2020-10-14 21:44:24,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2020-10-14 21:44:24,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:24,357 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:24,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 21:44:24,357 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:24,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:24,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1749719470, now seen corresponding path program 1 times [2020-10-14 21:44:24,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:24,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [331607023] [2020-10-14 21:44:24,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:24,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:24,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:24,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:27,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:29,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:29,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 453 [2020-10-14 21:44:29,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:44:29,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 21:44:29,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:29,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:29,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:44:29,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:44:29,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-14 21:44:29,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:29,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:29,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:29,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:29,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:29,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:29,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:44:29,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:29,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:29,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:29,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:29,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:44:29,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:29,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:29,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:29,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:29,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:29,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:29,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-14 21:44:29,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:29,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:29,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:29,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:29,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:44:29,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:29,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:29,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:30,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:30,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:44:30,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:30,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-14 21:44:30,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:30,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:30,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:30,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:30,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 21:44:30,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:30,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-14 21:44:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:30,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:30,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:30,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:44:30,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:30,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:44:30,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:30,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:30,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:30,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 21:44:30,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:30,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:30,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-10-14 21:44:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:30,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:30,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:30,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:44:30,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:30,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 21:44:30,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:30,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:30,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:30,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:44:30,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:30,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 236 proven. 294 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-14 21:44:30,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [331607023] [2020-10-14 21:44:30,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:30,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:44:30,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401168710] [2020-10-14 21:44:30,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:44:30,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:30,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:44:30,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:44:30,846 INFO L87 Difference]: Start difference. First operand 2618 states and 2857 transitions. Second operand 8 states. [2020-10-14 21:44:32,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:32,190 INFO L93 Difference]: Finished difference Result 4876 states and 5352 transitions. [2020-10-14 21:44:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:44:32,191 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 437 [2020-10-14 21:44:32,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:32,202 INFO L225 Difference]: With dead ends: 4876 [2020-10-14 21:44:32,202 INFO L226 Difference]: Without dead ends: 2630 [2020-10-14 21:44:32,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:44:32,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2630 states. [2020-10-14 21:44:32,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2630 to 2618. [2020-10-14 21:44:32,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2618 states. [2020-10-14 21:44:32,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2618 states to 2618 states and 2855 transitions. [2020-10-14 21:44:32,267 INFO L78 Accepts]: Start accepts. Automaton has 2618 states and 2855 transitions. Word has length 437 [2020-10-14 21:44:32,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:32,268 INFO L479 AbstractCegarLoop]: Abstraction has 2618 states and 2855 transitions. [2020-10-14 21:44:32,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:44:32,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2618 states and 2855 transitions. [2020-10-14 21:44:32,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 657 [2020-10-14 21:44:32,285 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:32,285 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:32,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 21:44:32,286 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:32,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:32,286 INFO L82 PathProgramCache]: Analyzing trace with hash 460889671, now seen corresponding path program 1 times [2020-10-14 21:44:32,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:32,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [71099606] [2020-10-14 21:44:32,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:32,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:32,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:33,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:33,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:37,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:37,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 676 [2020-10-14 21:44:37,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:44:37,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-14 21:44:37,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:37,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:37,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:44:37,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:44:37,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 248 [2020-10-14 21:44:37,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:37,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:37,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:37,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:37,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:37,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:37,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:44:37,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:37,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:37,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:37,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:37,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:37,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:37,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:37,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:37,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:37,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:37,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:37,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 21:44:37,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:37,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:37,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:37,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:37,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:37,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:37,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:37,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:37,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:37,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:37,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:37,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-14 21:44:37,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:37,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:37,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:37,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:37,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:44:37,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:37,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:37,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:37,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:38,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:38,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:38,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:44:38,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-10-14 21:44:38,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:38,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:38,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:38,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:38,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:44:38,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:38,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-14 21:44:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:38,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:38,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:38,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:44:38,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:38,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-14 21:44:38,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:38,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:38,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:38,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:38,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 21:44:38,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:38,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-14 21:44:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:38,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:38,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:38,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:44:38,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:38,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:44:38,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:38,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:38,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:38,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 21:44:38,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:38,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:38,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2020-10-14 21:44:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:38,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:38,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:38,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:44:38,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:38,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:44:38,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:38,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:38,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:38,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:44:38,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:38,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:38,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 643 proven. 302 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2020-10-14 21:44:38,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [71099606] [2020-10-14 21:44:38,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:38,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:44:38,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230954861] [2020-10-14 21:44:38,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:44:38,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:38,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:44:38,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:44:38,866 INFO L87 Difference]: Start difference. First operand 2618 states and 2855 transitions. Second operand 8 states. [2020-10-14 21:44:41,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:41,166 INFO L93 Difference]: Finished difference Result 5058 states and 5543 transitions. [2020-10-14 21:44:41,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 21:44:41,167 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 656 [2020-10-14 21:44:41,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:41,177 INFO L225 Difference]: With dead ends: 5058 [2020-10-14 21:44:41,178 INFO L226 Difference]: Without dead ends: 2812 [2020-10-14 21:44:41,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-14 21:44:41,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2812 states. [2020-10-14 21:44:41,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2812 to 2802. [2020-10-14 21:44:41,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2802 states. [2020-10-14 21:44:41,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2802 states and 3042 transitions. [2020-10-14 21:44:41,245 INFO L78 Accepts]: Start accepts. Automaton has 2802 states and 3042 transitions. Word has length 656 [2020-10-14 21:44:41,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:41,246 INFO L479 AbstractCegarLoop]: Abstraction has 2802 states and 3042 transitions. [2020-10-14 21:44:41,246 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:44:41,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3042 transitions. [2020-10-14 21:44:41,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2020-10-14 21:44:41,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:41,267 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-10-14 21:44:41,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 21:44:41,268 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:41,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:41,268 INFO L82 PathProgramCache]: Analyzing trace with hash -340490902, now seen corresponding path program 1 times [2020-10-14 21:44:41,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:41,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [461720446] [2020-10-14 21:44:41,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:41,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:41,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:43,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:43,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:44,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:46,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:46,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 709 [2020-10-14 21:44:46,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:44:46,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 21:44:46,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:46,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:46,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:46,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 586 [2020-10-14 21:44:46,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:44:46,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:46,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:46,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:46,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:46,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:46,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:46,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:44:46,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:46,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:46,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:46,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:46,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:46,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:46,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:46,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:46,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:46,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:46,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:46,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:44:46,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:46,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:46,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:46,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:46,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:46,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:46,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:46,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:46,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:46,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:46,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:46,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:44:46,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:46,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:46,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:46,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:46,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:46,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:46,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:46,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:46,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:46,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:44:46,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:46,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 21:44:46,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:46,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:46,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:46,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:46,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:46,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:46,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:44:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:46,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:46,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:46,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:44:46,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:46,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:44:46,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:46,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:46,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:46,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:46,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:46,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:46,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:44:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:46,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:46,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:46,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:44:46,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:46,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:44:46,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:46,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 21:44:46,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:46,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2020-10-14 21:44:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:46,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:46,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:46,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:44:46,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:46,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 21:44:46,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:46,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:46,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:46,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:46,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:44:46,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:47,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1547 backedges. 596 proven. 2 refuted. 0 times theorem prover too weak. 949 trivial. 0 not checked. [2020-10-14 21:44:47,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [461720446] [2020-10-14 21:44:47,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:47,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:44:47,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989559081] [2020-10-14 21:44:47,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:44:47,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:47,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:44:47,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:44:47,421 INFO L87 Difference]: Start difference. First operand 2802 states and 3042 transitions. Second operand 8 states. [2020-10-14 21:44:49,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:49,788 INFO L93 Difference]: Finished difference Result 6706 states and 7385 transitions. [2020-10-14 21:44:49,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:44:49,789 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 689 [2020-10-14 21:44:49,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:49,804 INFO L225 Difference]: With dead ends: 6706 [2020-10-14 21:44:49,804 INFO L226 Difference]: Without dead ends: 3902 [2020-10-14 21:44:49,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-14 21:44:49,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3902 states. [2020-10-14 21:44:49,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3902 to 3350. [2020-10-14 21:44:49,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3350 states. [2020-10-14 21:44:49,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3350 states to 3350 states and 3650 transitions. [2020-10-14 21:44:49,891 INFO L78 Accepts]: Start accepts. Automaton has 3350 states and 3650 transitions. Word has length 689 [2020-10-14 21:44:49,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:49,893 INFO L479 AbstractCegarLoop]: Abstraction has 3350 states and 3650 transitions. [2020-10-14 21:44:49,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:44:49,893 INFO L276 IsEmpty]: Start isEmpty. Operand 3350 states and 3650 transitions. [2020-10-14 21:44:49,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 799 [2020-10-14 21:44:49,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:49,903 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:49,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 21:44:49,904 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:49,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:49,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1008535959, now seen corresponding path program 1 times [2020-10-14 21:44:49,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:49,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1680007523] [2020-10-14 21:44:49,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:50,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:50,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:51,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:55,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:55,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 818 [2020-10-14 21:44:55,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:44:55,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-10-14 21:44:55,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:55,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:55,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:55,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 21:44:55,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:44:55,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:55,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:55,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:55,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:55,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:55,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:55,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:44:55,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:55,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:55,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:55,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:55,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:55,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:55,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:55,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:55,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:55,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:55,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:55,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:44:55,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:55,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:55,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:55,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:55,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:55,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:55,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:55,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:55,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:55,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:55,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:55,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:44:55,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:55,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:55,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:55,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:55,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:55,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:55,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:55,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:55,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:55,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:44:55,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:55,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:44:55,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:55,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:55,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:55,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:55,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:55,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:55,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:44:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:55,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:55,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:55,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:44:55,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:55,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-14 21:44:55,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:55,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:55,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:55,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:55,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 21:44:55,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:55,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:44:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:55,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:55,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:55,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:44:55,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:55,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-14 21:44:55,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:55,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:55,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:55,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:55,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:44:55,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:55,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-10-14 21:44:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:55,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:55,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:55,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:44:55,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:55,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:44:55,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:55,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:55,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:55,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:44:55,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:55,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:56,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 700 proven. 85 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2020-10-14 21:44:56,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1680007523] [2020-10-14 21:44:56,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:56,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:44:56,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628911741] [2020-10-14 21:44:56,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:56,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:56,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:56,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:56,128 INFO L87 Difference]: Start difference. First operand 3350 states and 3650 transitions. Second operand 7 states. [2020-10-14 21:44:57,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:57,609 INFO L93 Difference]: Finished difference Result 7440 states and 8280 transitions. [2020-10-14 21:44:57,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:44:57,612 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 798 [2020-10-14 21:44:57,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:57,628 INFO L225 Difference]: With dead ends: 7440 [2020-10-14 21:44:57,628 INFO L226 Difference]: Without dead ends: 4462 [2020-10-14 21:44:57,634 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:44:57,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4462 states. [2020-10-14 21:44:57,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4462 to 4274. [2020-10-14 21:44:57,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4274 states. [2020-10-14 21:44:57,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4274 states to 4274 states and 4762 transitions. [2020-10-14 21:44:57,724 INFO L78 Accepts]: Start accepts. Automaton has 4274 states and 4762 transitions. Word has length 798 [2020-10-14 21:44:57,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:57,725 INFO L479 AbstractCegarLoop]: Abstraction has 4274 states and 4762 transitions. [2020-10-14 21:44:57,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:57,725 INFO L276 IsEmpty]: Start isEmpty. Operand 4274 states and 4762 transitions. [2020-10-14 21:44:57,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 875 [2020-10-14 21:44:57,736 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:57,737 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:57,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 21:44:57,737 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:57,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:57,738 INFO L82 PathProgramCache]: Analyzing trace with hash -498664846, now seen corresponding path program 1 times [2020-10-14 21:44:57,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:57,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1474690370] [2020-10-14 21:44:57,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:58,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:58,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:58,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:02,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:02,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 896 [2020-10-14 21:45:02,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:45:02,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5086 [2020-10-14 21:45:02,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:02,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:02,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:45:02,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 589 [2020-10-14 21:45:02,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 270 [2020-10-14 21:45:02,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:03,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:03,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:03,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:03,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:03,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:03,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:45:03,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:03,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:03,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:03,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:03,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:03,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:03,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:03,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:03,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:03,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:03,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:03,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:45:03,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:03,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:03,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:03,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:03,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:03,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:03,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:03,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:03,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:03,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:03,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:03,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:45:03,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:03,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:03,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:03,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:03,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:03,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:03,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:03,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:03,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:03,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:45:03,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:03,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:45:03,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:03,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:03,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:03,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:03,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:03,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:03,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:45:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:03,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:03,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:03,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:45:03,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:03,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:45:03,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:03,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:03,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:03,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:03,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:03,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:03,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:45:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:03,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:03,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:03,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:45:03,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:03,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:45:03,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:03,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:03,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:03,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:03,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:45:03,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:03,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 21:45:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:03,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:03,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:03,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:03,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:03,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-14 21:45:03,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:03,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:03,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:45:03,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:03,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:45:03,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:03,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-14 21:45:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:03,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:03,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:03,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:45:03,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:03,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 21:45:03,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:03,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:03,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:03,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:03,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:45:03,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:04,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2262 backedges. 1210 proven. 6 refuted. 0 times theorem prover too weak. 1046 trivial. 0 not checked. [2020-10-14 21:45:04,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1474690370] [2020-10-14 21:45:04,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:04,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 21:45:04,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003475846] [2020-10-14 21:45:04,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:45:04,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:04,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:45:04,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:45:04,011 INFO L87 Difference]: Start difference. First operand 4274 states and 4762 transitions. Second operand 9 states. [2020-10-14 21:45:06,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:06,673 INFO L93 Difference]: Finished difference Result 9662 states and 10947 transitions. [2020-10-14 21:45:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 21:45:06,675 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 874 [2020-10-14 21:45:06,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:06,700 INFO L225 Difference]: With dead ends: 9662 [2020-10-14 21:45:06,701 INFO L226 Difference]: Without dead ends: 5760 [2020-10-14 21:45:06,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-10-14 21:45:06,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5760 states. [2020-10-14 21:45:06,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5760 to 5748. [2020-10-14 21:45:06,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5748 states. [2020-10-14 21:45:06,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5748 states to 5748 states and 6488 transitions. [2020-10-14 21:45:06,834 INFO L78 Accepts]: Start accepts. Automaton has 5748 states and 6488 transitions. Word has length 874 [2020-10-14 21:45:06,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:06,836 INFO L479 AbstractCegarLoop]: Abstraction has 5748 states and 6488 transitions. [2020-10-14 21:45:06,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:45:06,836 INFO L276 IsEmpty]: Start isEmpty. Operand 5748 states and 6488 transitions. [2020-10-14 21:45:06,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 907 [2020-10-14 21:45:06,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:06,852 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:45:06,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 21:45:06,852 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:06,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:06,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1660762062, now seen corresponding path program 1 times [2020-10-14 21:45:06,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:06,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775121962] [2020-10-14 21:45:06,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:07,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:07,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:08,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:10,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:10,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 928 [2020-10-14 21:45:10,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:45:10,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3623 [2020-10-14 21:45:10,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:10,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:10,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:45:10,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 770 [2020-10-14 21:45:10,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-14 21:45:10,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:10,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:10,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:10,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:10,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:10,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:10,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:45:10,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:10,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:10,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:10,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:10,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:10,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:10,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:10,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:10,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:10,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:10,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:10,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:45:10,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:10,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:10,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:10,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:10,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:10,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:10,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:10,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:10,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:10,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:10,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:10,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:45:10,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:10,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:10,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:10,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:10,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:10,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:10,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:10,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:10,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:10,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:45:10,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:10,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:45:10,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:10,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:10,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:10,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:10,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:10,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:10,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:45:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:10,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:10,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:10,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:45:10,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:10,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:45:10,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:10,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:10,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:10,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:10,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:10,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:10,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:45:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:10,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:10,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:10,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:45:10,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:10,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 21:45:10,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:10,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:10,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:10,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:10,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:10,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:10,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 21:45:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:11,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:11,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:11,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:11,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:11,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 21:45:11,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:11,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:11,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:11,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:11,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 21:45:11,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:11,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-14 21:45:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:11,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:11,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:11,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:11,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:45:11,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:45:11,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-14 21:45:11,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:11,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:45:11,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:11,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2404 backedges. 255 proven. 7 refuted. 0 times theorem prover too weak. 2142 trivial. 0 not checked. [2020-10-14 21:45:11,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775121962] [2020-10-14 21:45:11,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:11,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:45:11,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21124778] [2020-10-14 21:45:11,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:45:11,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:11,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:45:11,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:45:11,588 INFO L87 Difference]: Start difference. First operand 5748 states and 6488 transitions. Second operand 6 states. [2020-10-14 21:45:13,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:13,297 INFO L93 Difference]: Finished difference Result 13506 states and 15785 transitions. [2020-10-14 21:45:13,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:45:13,297 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 906 [2020-10-14 21:45:13,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:13,325 INFO L225 Difference]: With dead ends: 13506 [2020-10-14 21:45:13,325 INFO L226 Difference]: Without dead ends: 8130 [2020-10-14 21:45:13,341 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:45:13,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8130 states. [2020-10-14 21:45:13,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8130 to 6848. [2020-10-14 21:45:13,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6848 states. [2020-10-14 21:45:13,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6848 states to 6848 states and 7921 transitions. [2020-10-14 21:45:13,488 INFO L78 Accepts]: Start accepts. Automaton has 6848 states and 7921 transitions. Word has length 906 [2020-10-14 21:45:13,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:13,489 INFO L479 AbstractCegarLoop]: Abstraction has 6848 states and 7921 transitions. [2020-10-14 21:45:13,489 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:45:13,490 INFO L276 IsEmpty]: Start isEmpty. Operand 6848 states and 7921 transitions. [2020-10-14 21:45:13,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1015 [2020-10-14 21:45:13,517 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:13,518 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:45:13,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 21:45:13,519 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:13,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:13,519 INFO L82 PathProgramCache]: Analyzing trace with hash -739928257, now seen corresponding path program 1 times [2020-10-14 21:45:13,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:13,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [459802631] [2020-10-14 21:45:13,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:13,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:14,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:14,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:18,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:18,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:18,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:18,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1038 [2020-10-14 21:45:18,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:45:18,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-14 21:45:18,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:18,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:18,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:18,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 646 [2020-10-14 21:45:18,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:45:18,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:18,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:18,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:18,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:18,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:18,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:18,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:45:18,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:18,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:18,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:18,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:18,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:18,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:18,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:18,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:18,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:18,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:45:18,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:18,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:18,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:18,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:18,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:18,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:18,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:18,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:18,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:18,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:18,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:18,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:45:18,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:18,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:18,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:18,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:18,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:18,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:19,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:19,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:19,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:19,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:45:19,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:19,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:45:19,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:19,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:19,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:19,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:19,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:19,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:19,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:45:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:19,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:19,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:19,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:45:19,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:19,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:45:19,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:19,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:19,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:19,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:19,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:19,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:19,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:45:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:19,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:19,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:19,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:45:19,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:19,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 21:45:19,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:19,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:19,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:19,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:19,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 21:45:19,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:19,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-10-14 21:45:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:19,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:19,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:19,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:19,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:19,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-14 21:45:19,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:19,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:19,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:19,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:19,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:45:19,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:19,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2020-10-14 21:45:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:19,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:19,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:19,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:45:19,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:19,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:45:19,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:19,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:19,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:19,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:45:19,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:19,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:19,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 901 [2020-10-14 21:45:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:19,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:19,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:19,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:45:19,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:19,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:45:19,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:19,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:19,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:19,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:45:19,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:19,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:19,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3106 backedges. 921 proven. 165 refuted. 0 times theorem prover too weak. 2020 trivial. 0 not checked. [2020-10-14 21:45:19,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [459802631] [2020-10-14 21:45:19,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:19,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:19,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069761382] [2020-10-14 21:45:19,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:19,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:19,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:19,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:19,974 INFO L87 Difference]: Start difference. First operand 6848 states and 7921 transitions. Second operand 7 states. [2020-10-14 21:45:21,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:21,491 INFO L93 Difference]: Finished difference Result 14622 states and 16854 transitions. [2020-10-14 21:45:21,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:45:21,499 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1014 [2020-10-14 21:45:21,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:21,520 INFO L225 Difference]: With dead ends: 14622 [2020-10-14 21:45:21,521 INFO L226 Difference]: Without dead ends: 7962 [2020-10-14 21:45:21,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:45:21,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7962 states. [2020-10-14 21:45:21,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7962 to 7594. [2020-10-14 21:45:21,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7594 states. [2020-10-14 21:45:21,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7594 states to 7594 states and 8507 transitions. [2020-10-14 21:45:21,679 INFO L78 Accepts]: Start accepts. Automaton has 7594 states and 8507 transitions. Word has length 1014 [2020-10-14 21:45:21,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:21,681 INFO L479 AbstractCegarLoop]: Abstraction has 7594 states and 8507 transitions. [2020-10-14 21:45:21,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:21,681 INFO L276 IsEmpty]: Start isEmpty. Operand 7594 states and 8507 transitions. [2020-10-14 21:45:21,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1209 [2020-10-14 21:45:21,712 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:21,713 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:45:21,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 21:45:21,713 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:21,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:21,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1622999131, now seen corresponding path program 1 times [2020-10-14 21:45:21,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:21,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1486705448] [2020-10-14 21:45:21,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:22,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:22,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:22,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:23,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:24,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:27,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:27,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1236 [2020-10-14 21:45:27,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:45:27,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5059 [2020-10-14 21:45:27,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:27,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:27,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 21:45:27,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 589 [2020-10-14 21:45:27,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 306 [2020-10-14 21:45:27,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:27,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:27,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:27,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:27,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:27,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:27,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:45:27,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:27,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:27,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:27,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:27,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:27,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:27,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:27,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:27,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:27,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:27,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:27,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:45:27,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:27,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:27,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:27,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:27,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:27,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:27,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:27,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:27,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:27,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:27,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:27,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:45:27,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:27,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:27,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:27,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:27,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:27,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:27,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:27,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:27,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:27,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:45:27,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:27,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:45:27,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:27,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:27,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:27,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:45:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:27,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:27,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:27,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:45:27,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:27,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:45:27,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:27,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:27,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:27,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:45:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:27,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:27,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:27,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:45:27,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:27,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:45:27,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:27,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:27,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:27,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:27,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:45:27,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:27,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 21:45:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:27,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:27,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:27,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:27,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:27,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-14 21:45:27,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:27,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:27,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:45:27,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:27,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:45:27,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:27,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-14 21:45:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:27,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:27,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:28,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:28,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:45:28,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:45:28,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 346 [2020-10-14 21:45:28,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:28,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:28,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:28,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:28,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 21:45:28,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:28,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2020-10-14 21:45:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:28,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:28,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:28,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:45:28,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:28,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 21:45:28,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:28,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:28,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-14 21:45:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:28,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:28,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1009 [2020-10-14 21:45:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:28,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:28,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:28,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:45:28,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:28,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:45:28,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:28,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:28,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:28,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:45:28,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:28,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:28,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1095 [2020-10-14 21:45:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:28,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:28,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:28,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:45:28,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:28,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:45:28,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:28,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:45:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:28,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:29,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4698 backedges. 1640 proven. 542 refuted. 0 times theorem prover too weak. 2516 trivial. 0 not checked. [2020-10-14 21:45:29,287 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1486705448] [2020-10-14 21:45:29,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:29,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 21:45:29,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612247269] [2020-10-14 21:45:29,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 21:45:29,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:29,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 21:45:29,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:45:29,289 INFO L87 Difference]: Start difference. First operand 7594 states and 8507 transitions. Second operand 11 states. [2020-10-14 21:45:32,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:32,263 INFO L93 Difference]: Finished difference Result 15018 states and 16851 transitions. [2020-10-14 21:45:32,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 21:45:32,264 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1208 [2020-10-14 21:45:32,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:32,294 INFO L225 Difference]: With dead ends: 15018 [2020-10-14 21:45:32,295 INFO L226 Difference]: Without dead ends: 7796 [2020-10-14 21:45:32,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2020-10-14 21:45:32,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7796 states. [2020-10-14 21:45:32,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7796 to 7604. [2020-10-14 21:45:32,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7604 states. [2020-10-14 21:45:32,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7604 states to 7604 states and 8508 transitions. [2020-10-14 21:45:32,463 INFO L78 Accepts]: Start accepts. Automaton has 7604 states and 8508 transitions. Word has length 1208 [2020-10-14 21:45:32,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:32,464 INFO L479 AbstractCegarLoop]: Abstraction has 7604 states and 8508 transitions. [2020-10-14 21:45:32,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 21:45:32,464 INFO L276 IsEmpty]: Start isEmpty. Operand 7604 states and 8508 transitions. [2020-10-14 21:45:32,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1327 [2020-10-14 21:45:32,491 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:32,493 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:45:32,493 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 21:45:32,493 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:32,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:32,494 INFO L82 PathProgramCache]: Analyzing trace with hash 720339262, now seen corresponding path program 1 times [2020-10-14 21:45:32,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:32,495 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1190858304] [2020-10-14 21:45:32,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:32,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:33,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:33,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:37,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:37,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1356 [2020-10-14 21:45:37,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:45:37,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5076 [2020-10-14 21:45:37,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:37,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:37,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:37,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1032 [2020-10-14 21:45:37,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 21:45:37,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:37,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:37,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:37,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:37,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:37,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:37,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:45:37,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:37,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:37,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:37,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:37,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:37,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:37,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:37,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:37,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:37,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:37,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:37,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:45:37,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:37,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:37,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:37,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:37,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:37,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:37,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:37,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:37,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:45:37,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:37,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:37,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:37,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:37,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:37,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:37,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:37,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:45:38,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:45:38,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:38,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:38,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:38,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:45:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:45:38,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:45:38,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:38,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:38,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:38,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:45:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:45:38,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 21:45:38,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:38,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:38,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:38,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 21:45:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:38,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:45:38,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:38,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-14 21:45:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:45:38,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:45:38,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:38,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:38,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:38,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 876 [2020-10-14 21:45:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:45:38,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 21:45:38,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:38,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:38,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:45:38,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2020-10-14 21:45:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:45:38,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-14 21:45:38,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:38,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:38,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 21:45:38,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1127 [2020-10-14 21:45:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:45:38,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:45:38,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:38,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:45:38,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:38,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1213 [2020-10-14 21:45:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:45:38,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:45:38,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:38,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:45:38,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:38,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:39,371 INFO L134 CoverageAnalysis]: Checked inductivity of 5775 backedges. 1266 proven. 165 refuted. 0 times theorem prover too weak. 4344 trivial. 0 not checked. [2020-10-14 21:45:39,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1190858304] [2020-10-14 21:45:39,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:39,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:39,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378286498] [2020-10-14 21:45:39,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:39,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:39,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:39,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:39,374 INFO L87 Difference]: Start difference. First operand 7604 states and 8508 transitions. Second operand 7 states. [2020-10-14 21:45:40,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:40,924 INFO L93 Difference]: Finished difference Result 15946 states and 18104 transitions. [2020-10-14 21:45:40,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:45:40,926 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1326 [2020-10-14 21:45:40,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:40,948 INFO L225 Difference]: With dead ends: 15946 [2020-10-14 21:45:40,949 INFO L226 Difference]: Without dead ends: 8714 [2020-10-14 21:45:40,964 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:45:40,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8714 states. [2020-10-14 21:45:41,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8714 to 8714. [2020-10-14 21:45:41,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8714 states. [2020-10-14 21:45:41,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8714 states to 8714 states and 9725 transitions. [2020-10-14 21:45:41,138 INFO L78 Accepts]: Start accepts. Automaton has 8714 states and 9725 transitions. Word has length 1326 [2020-10-14 21:45:41,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:41,139 INFO L479 AbstractCegarLoop]: Abstraction has 8714 states and 9725 transitions. [2020-10-14 21:45:41,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:41,139 INFO L276 IsEmpty]: Start isEmpty. Operand 8714 states and 9725 transitions. [2020-10-14 21:45:41,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1527 [2020-10-14 21:45:41,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:41,175 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:45:41,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 21:45:41,176 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:41,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:41,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1178318565, now seen corresponding path program 1 times [2020-10-14 21:45:41,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:41,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2052468406] [2020-10-14 21:45:41,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:41,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:41,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:42,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1558 [2020-10-14 21:45:46,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:45:46,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-14 21:45:46,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:46,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-14 21:45:46,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:45:46,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:46,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:46,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:46,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:46,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:45:46,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:46,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:46,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:46,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:46,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:46,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:46,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:46,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:45:46,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:46,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:46,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:46,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:46,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:46,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:46,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:46,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:45:46,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:46,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:46,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:46,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:46,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:46,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:45:46,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:46,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:45:46,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:46,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:46,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 21:45:46,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:46,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:45:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:46,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:45:46,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:46,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-14 21:45:46,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:46,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:46,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:45:46,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:46,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-14 21:45:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:46,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:45:46,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:46,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:45:46,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:46,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:45:46,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:46,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:46,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-14 21:45:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:46,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:46,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:46,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 21:45:46,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:46,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:45:46,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:46,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:46,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2020-10-14 21:45:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:47,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:47,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:47,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:45:47,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:47,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:45:47,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:47,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-14 21:45:47,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:47,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:47,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 894 [2020-10-14 21:45:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:47,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:47,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:47,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:45:47,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:47,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 21:45:47,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:47,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:47,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:47,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-10-14 21:45:47,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:47,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:47,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2020-10-14 21:45:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:47,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:47,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:47,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:45:47,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:47,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:45:47,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:47,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:47,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:47,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-14 21:45:47,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:47,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:47,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1216 [2020-10-14 21:45:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:47,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:47,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:47,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:45:47,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:47,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:45:47,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:47,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:47,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:47,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-14 21:45:47,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:47,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:47,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1327 [2020-10-14 21:45:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:47,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:47,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:47,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:45:47,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:47,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:45:47,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:47,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:47,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:47,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:45:47,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:47,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:47,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1413 [2020-10-14 21:45:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:47,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:47,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:47,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:45:47,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:47,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:45:47,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:47,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:47,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:47,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:45:47,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:47,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:48,242 INFO L134 CoverageAnalysis]: Checked inductivity of 7130 backedges. 805 proven. 946 refuted. 0 times theorem prover too weak. 5379 trivial. 0 not checked. [2020-10-14 21:45:48,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2052468406] [2020-10-14 21:45:48,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:48,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:48,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370617380] [2020-10-14 21:45:48,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:48,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:48,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:48,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:48,244 INFO L87 Difference]: Start difference. First operand 8714 states and 9725 transitions. Second operand 7 states. [2020-10-14 21:45:49,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:49,751 INFO L93 Difference]: Finished difference Result 17242 states and 19321 transitions. [2020-10-14 21:45:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:45:49,752 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1526 [2020-10-14 21:45:49,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:49,773 INFO L225 Difference]: With dead ends: 17242 [2020-10-14 21:45:49,773 INFO L226 Difference]: Without dead ends: 8900 [2020-10-14 21:45:49,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:45:49,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8900 states. [2020-10-14 21:45:49,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8900 to 8896. [2020-10-14 21:45:49,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8896 states. [2020-10-14 21:45:49,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8896 states to 8896 states and 9891 transitions. [2020-10-14 21:45:49,984 INFO L78 Accepts]: Start accepts. Automaton has 8896 states and 9891 transitions. Word has length 1526 [2020-10-14 21:45:49,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:49,985 INFO L479 AbstractCegarLoop]: Abstraction has 8896 states and 9891 transitions. [2020-10-14 21:45:49,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:49,985 INFO L276 IsEmpty]: Start isEmpty. Operand 8896 states and 9891 transitions. [2020-10-14 21:45:50,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1608 [2020-10-14 21:45:50,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:50,028 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:45:50,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 21:45:50,028 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:50,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:50,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1646948207, now seen corresponding path program 1 times [2020-10-14 21:45:50,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:50,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796778699] [2020-10-14 21:45:50,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:50,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:50,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:52,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:53,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:53,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:55,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:55,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1641 [2020-10-14 21:45:55,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:45:55,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5130 [2020-10-14 21:45:55,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:55,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:55,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:55,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1518 [2020-10-14 21:45:55,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:45:55,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:55,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:55,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:55,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:55,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:55,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:55,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:45:55,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:55,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:55,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:55,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:55,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:55,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:55,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:55,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:55,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:55,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:55,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:55,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:45:55,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:55,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:55,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:55,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:55,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:55,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:55,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:55,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:55,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:55,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:55,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:55,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:45:55,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:55,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:55,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:55,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:55,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:55,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:55,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:55,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:55,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:55,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:45:55,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:55,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:45:55,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:55,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:55,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:55,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:55,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:55,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:55,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:45:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:55,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:55,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:55,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:45:55,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:55,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:45:55,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:55,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:55,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:55,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:45:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:55,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:55,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:55,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:45:55,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:55,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:45:55,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:55,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:55,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:55,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:55,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:55,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:55,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:45:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:55,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:55,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:55,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:45:55,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:55,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:45:55,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:55,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:55,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:55,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:55,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:55,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:55,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:45:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:55,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:55,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:55,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:55,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:55,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:45:55,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:55,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:55,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:55,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:55,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:55,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:55,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:45:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:55,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:55,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:55,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:45:55,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:55,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:45:55,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:55,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:55,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:55,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:55,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:55,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:55,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:45:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:55,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:55,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:55,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:45:55,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:55,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:45:55,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:55,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:55,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:55,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:55,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:55,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:55,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:45:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:56,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:56,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:56,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:45:56,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:56,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:45:56,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:56,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:56,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:56,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:56,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:56,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:56,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:45:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:56,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:56,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:56,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:45:56,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:56,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:45:56,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:56,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:56,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:56,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:56,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:56,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:56,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-14 21:45:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:56,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:56,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:56,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:45:56,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:56,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 21:45:56,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:56,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:56,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:56,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:56,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 21:45:56,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:56,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1494 [2020-10-14 21:45:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:56,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:56,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:56,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:45:56,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:56,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 21:45:56,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:56,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:56,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:56,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:56,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:45:56,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 8128 backedges. 1409 proven. 2 refuted. 0 times theorem prover too weak. 6717 trivial. 0 not checked. [2020-10-14 21:45:57,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1796778699] [2020-10-14 21:45:57,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:57,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:45:57,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879892626] [2020-10-14 21:45:57,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:45:57,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:57,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:45:57,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:45:57,385 INFO L87 Difference]: Start difference. First operand 8896 states and 9891 transitions. Second operand 8 states. [2020-10-14 21:45:59,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:59,381 INFO L93 Difference]: Finished difference Result 16680 states and 18522 transitions. [2020-10-14 21:45:59,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:45:59,382 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1607 [2020-10-14 21:45:59,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:59,393 INFO L225 Difference]: With dead ends: 16680 [2020-10-14 21:45:59,393 INFO L226 Difference]: Without dead ends: 7782 [2020-10-14 21:45:59,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 21:45:59,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7782 states. [2020-10-14 21:45:59,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7782 to 6504. [2020-10-14 21:45:59,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6504 states. [2020-10-14 21:45:59,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6504 states to 6504 states and 6886 transitions. [2020-10-14 21:45:59,496 INFO L78 Accepts]: Start accepts. Automaton has 6504 states and 6886 transitions. Word has length 1607 [2020-10-14 21:45:59,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:59,498 INFO L479 AbstractCegarLoop]: Abstraction has 6504 states and 6886 transitions. [2020-10-14 21:45:59,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:45:59,498 INFO L276 IsEmpty]: Start isEmpty. Operand 6504 states and 6886 transitions. [2020-10-14 21:45:59,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1706 [2020-10-14 21:45:59,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:59,536 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:45:59,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 21:45:59,537 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:59,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:59,538 INFO L82 PathProgramCache]: Analyzing trace with hash 56292853, now seen corresponding path program 1 times [2020-10-14 21:45:59,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:59,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805501089] [2020-10-14 21:45:59,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:00,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:00,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:02,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:04,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:04,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:04,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1739 [2020-10-14 21:46:04,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:46:04,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5104 [2020-10-14 21:46:04,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:04,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:04,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:46:04,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1432 [2020-10-14 21:46:04,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 270 [2020-10-14 21:46:04,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:05,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:05,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:05,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:05,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:05,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:05,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:46:05,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:05,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:05,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:05,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:05,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:05,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:05,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:05,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:05,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:05,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:05,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:05,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:46:05,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:05,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:05,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:05,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:05,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:05,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:05,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:05,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:05,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:05,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:05,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:05,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:05,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:05,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:05,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:05,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:05,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:05,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:05,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:05,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:05,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:05,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:05,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:05,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:46:05,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:05,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:05,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:05,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:05,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:05,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:05,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:05,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:05,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:05,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:46:05,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:05,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:46:05,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:05,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:05,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:05,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:05,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:05,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:05,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:46:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:05,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:05,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:05,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:05,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:05,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:46:05,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:05,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:05,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:05,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:05,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:05,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:05,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:46:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:05,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:05,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:05,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:05,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:05,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:46:05,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:05,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:05,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:05,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:05,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:05,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:05,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:46:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:05,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:05,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:05,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:05,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:05,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:46:05,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:05,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:05,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:05,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:05,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:05,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:05,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:46:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:05,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:05,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:05,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:46:05,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:05,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:46:05,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:05,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:05,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:05,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:05,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:05,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:05,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:46:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:05,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:05,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:05,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:46:05,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:05,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:46:05,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:05,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:05,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:05,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:05,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:05,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:05,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:46:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:05,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:05,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:05,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:46:05,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:05,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:46:05,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:05,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:05,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:05,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:05,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:05,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:05,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:46:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:05,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:05,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:05,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:46:05,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:05,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:46:05,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:05,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:05,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:05,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:05,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 21:46:05,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:05,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:46:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:05,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:05,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:05,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:05,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:46:05,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:46:05,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-10-14 21:46:05,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:05,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:05,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:05,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:05,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-14 21:46:05,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:06,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1592 [2020-10-14 21:46:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:06,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:06,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:06,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:46:06,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:06,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 21:46:06,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:06,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:46:06,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:07,309 INFO L134 CoverageAnalysis]: Checked inductivity of 8611 backedges. 2713 proven. 6 refuted. 0 times theorem prover too weak. 5892 trivial. 0 not checked. [2020-10-14 21:46:07,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805501089] [2020-10-14 21:46:07,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:07,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:46:07,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316594298] [2020-10-14 21:46:07,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:46:07,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:07,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:46:07,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:46:07,312 INFO L87 Difference]: Start difference. First operand 6504 states and 6886 transitions. Second operand 8 states. [2020-10-14 21:46:09,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:09,693 INFO L93 Difference]: Finished difference Result 13370 states and 14160 transitions. [2020-10-14 21:46:09,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 21:46:09,693 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1705 [2020-10-14 21:46:09,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:09,705 INFO L225 Difference]: With dead ends: 13370 [2020-10-14 21:46:09,705 INFO L226 Difference]: Without dead ends: 7056 [2020-10-14 21:46:09,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2020-10-14 21:46:09,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7056 states. [2020-10-14 21:46:09,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7056 to 6870. [2020-10-14 21:46:09,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6870 states. [2020-10-14 21:46:09,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6870 states to 6870 states and 7257 transitions. [2020-10-14 21:46:09,803 INFO L78 Accepts]: Start accepts. Automaton has 6870 states and 7257 transitions. Word has length 1705 [2020-10-14 21:46:09,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:09,804 INFO L479 AbstractCegarLoop]: Abstraction has 6870 states and 7257 transitions. [2020-10-14 21:46:09,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:46:09,805 INFO L276 IsEmpty]: Start isEmpty. Operand 6870 states and 7257 transitions. [2020-10-14 21:46:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1881 [2020-10-14 21:46:09,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:09,855 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:46:09,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 21:46:09,856 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:09,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:09,856 INFO L82 PathProgramCache]: Analyzing trace with hash -2139228247, now seen corresponding path program 1 times [2020-10-14 21:46:09,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:09,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [882790159] [2020-10-14 21:46:09,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:10,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:10,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:13,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:14,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:15,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:15,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1916 [2020-10-14 21:46:15,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:46:15,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-14 21:46:15,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:15,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:15,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:15,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-14 21:46:15,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:46:15,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:15,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:15,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:15,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:15,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:15,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:15,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:15,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:15,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:15,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:15,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:15,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:15,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:15,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:15,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:15,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:46:15,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:15,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:15,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:15,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:15,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:15,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:15,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:15,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:15,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:15,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:15,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:15,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:46:15,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:15,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:15,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:15,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:15,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:15,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:15,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:15,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:15,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:15,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:15,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:15,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:46:15,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:15,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:15,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:15,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:15,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:15,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:15,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:15,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:15,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:46:15,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:15,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:46:15,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:15,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:15,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:15,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:15,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:15,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:15,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:46:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:15,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:15,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:15,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:15,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:15,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:46:15,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:15,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:15,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:15,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:15,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:15,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:15,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:46:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:15,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:15,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:15,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:15,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:15,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:46:15,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:15,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:15,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:15,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:15,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:15,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:15,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:46:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:15,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:15,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:15,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:15,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:15,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 21:46:15,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:15,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:15,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:15,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:15,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:15,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:15,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:46:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:15,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:15,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:15,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:46:15,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:16,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 21:46:16,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:16,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:16,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:16,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:16,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:16,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:16,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:46:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:16,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:16,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:16,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:46:16,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:16,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 21:46:16,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:16,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:16,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:16,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:16,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:16,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:16,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:46:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:16,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:16,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:16,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:46:16,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:16,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 21:46:16,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:16,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:16,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:16,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:16,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:16,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:16,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:46:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:16,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:16,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:16,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:46:16,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:16,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 21:46:16,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:16,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:16,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:16,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:16,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 21:46:16,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:16,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-14 21:46:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:16,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:16,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:16,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:16,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:16,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-14 21:46:16,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:16,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:16,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:16,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:16,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:16,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:16,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1587 [2020-10-14 21:46:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:16,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:16,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:16,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-14 21:46:16,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:16,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 21:46:16,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:16,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:16,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:16,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 178 [2020-10-14 21:46:16,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:16,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:16,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1767 [2020-10-14 21:46:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:16,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:17,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:17,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:46:17,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:17,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 21:46:17,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:17,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:17,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:17,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:46:17,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:17,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:18,411 INFO L134 CoverageAnalysis]: Checked inductivity of 10285 backedges. 1936 proven. 258 refuted. 0 times theorem prover too weak. 8091 trivial. 0 not checked. [2020-10-14 21:46:18,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [882790159] [2020-10-14 21:46:18,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:18,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:46:18,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988256566] [2020-10-14 21:46:18,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:46:18,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:18,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:46:18,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:46:18,414 INFO L87 Difference]: Start difference. First operand 6870 states and 7257 transitions. Second operand 7 states. [2020-10-14 21:46:19,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:19,956 INFO L93 Difference]: Finished difference Result 13944 states and 14778 transitions. [2020-10-14 21:46:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:46:19,959 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1880 [2020-10-14 21:46:19,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:19,966 INFO L225 Difference]: With dead ends: 13944 [2020-10-14 21:46:19,966 INFO L226 Difference]: Without dead ends: 4676 [2020-10-14 21:46:19,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:46:19,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4676 states. [2020-10-14 21:46:20,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4676 to 4632. [2020-10-14 21:46:20,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4632 states. [2020-10-14 21:46:20,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 4774 transitions. [2020-10-14 21:46:20,032 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 4774 transitions. Word has length 1880 [2020-10-14 21:46:20,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:20,033 INFO L479 AbstractCegarLoop]: Abstraction has 4632 states and 4774 transitions. [2020-10-14 21:46:20,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:46:20,033 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 4774 transitions. [2020-10-14 21:46:20,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1956 [2020-10-14 21:46:20,070 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:20,071 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:46:20,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 21:46:20,072 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:20,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:20,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1730654995, now seen corresponding path program 1 times [2020-10-14 21:46:20,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:20,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1176120328] [2020-10-14 21:46:20,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:20,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:22,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1993 [2020-10-14 21:46:23,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:46:23,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2811 [2020-10-14 21:46:23,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:23,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1955 [2020-10-14 21:46:23,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 21:46:23,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:23,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:46:23,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:23,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:46:23,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:23,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:46:23,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:23,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:23,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:46:23,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:46:23,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:46:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:23,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:46:23,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:46:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:23,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:46:23,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:46:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:23,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:46:23,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:46:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:46:23,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:46:23,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:46:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:46:23,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:46:23,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:46:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:46:23,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 21:46:23,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:46:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:23,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:23,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:46:23,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:23,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:46:23,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:23,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:23,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:23,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:23,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:23,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:46:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:23,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:24,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:24,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 21:46:24,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:24,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:46:24,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:24,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:24,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:24,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:24,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:24,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:24,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 21:46:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:24,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:24,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:24,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 21:46:24,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:24,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:46:24,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:24,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:24,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:24,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:24,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:24,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:24,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2020-10-14 21:46:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:24,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:24,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:24,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-14 21:46:24,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:24,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 21:46:24,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:24,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:24,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:24,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:24,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:24,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:24,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1842 [2020-10-14 21:46:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:24,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:24,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:24,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:46:24,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:24,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:46:24,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:24,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:24,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:24,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:24,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 21:46:24,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:25,604 INFO L134 CoverageAnalysis]: Checked inductivity of 11670 backedges. 492 proven. 15 refuted. 0 times theorem prover too weak. 11163 trivial. 0 not checked. [2020-10-14 21:46:25,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1176120328] [2020-10-14 21:46:25,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:25,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:46:25,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119906017] [2020-10-14 21:46:25,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:46:25,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:25,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:46:25,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:46:25,607 INFO L87 Difference]: Start difference. First operand 4632 states and 4774 transitions. Second operand 5 states. [2020-10-14 21:46:26,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:26,716 INFO L93 Difference]: Finished difference Result 8706 states and 8986 transitions. [2020-10-14 21:46:26,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:46:26,716 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1955 [2020-10-14 21:46:26,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:26,718 INFO L225 Difference]: With dead ends: 8706 [2020-10-14 21:46:26,718 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 21:46:26,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:46:26,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 21:46:26,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 21:46:26,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 21:46:26,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 21:46:26,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1955 [2020-10-14 21:46:26,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:26,727 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 21:46:26,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:46:26,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 21:46:26,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 21:46:26,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 21:46:26,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 21:46:27,685 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 193 [2020-10-14 21:46:28,019 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 190 [2020-10-14 21:46:31,162 WARN L193 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 337 DAG size of output: 120 [2020-10-14 21:46:32,454 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 200 DAG size of output: 91 [2020-10-14 21:46:33,743 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 197 DAG size of output: 99 [2020-10-14 21:46:33,748 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:46:33,749 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 21:46:33,749 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:46:33,749 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 21:46:33,750 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 21:46:33,750 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,750 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,750 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,750 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 21:46:33,750 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 21:46:33,751 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 21:46:33,751 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 21:46:33,751 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 21:46:33,751 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 21:46:33,751 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 21:46:33,751 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 21:46:33,751 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,751 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,751 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,751 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 21:46:33,751 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 21:46:33,751 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 21:46:33,752 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 21:46:33,752 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 21:46:33,752 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 21:46:33,752 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 21:46:33,752 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 21:46:33,752 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,752 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,752 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,752 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 21:46:33,753 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 21:46:33,753 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 21:46:33,753 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 21:46:33,753 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 21:46:33,753 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 21:46:33,753 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 21:46:33,753 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 21:46:33,753 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 21:46:33,754 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,754 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,754 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,754 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 21:46:33,754 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 21:46:33,754 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 21:46:33,754 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 21:46:33,754 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 21:46:33,754 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 21:46:33,754 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 21:46:33,755 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,755 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,755 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,755 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 21:46:33,755 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 21:46:33,755 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 21:46:33,755 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 21:46:33,755 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 21:46:33,755 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 21:46:33,756 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 21:46:33,756 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 21:46:33,756 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 21:46:33,756 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,756 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,756 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,756 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,756 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 21:46:33,756 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 21:46:33,757 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 21:46:33,757 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 21:46:33,757 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 21:46:33,757 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 21:46:33,757 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 21:46:33,757 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 21:46:33,757 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,757 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,757 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,758 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 21:46:33,758 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 21:46:33,758 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 21:46:33,758 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 21:46:33,758 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 21:46:33,758 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 21:46:33,758 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 21:46:33,758 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 21:46:33,758 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,759 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,759 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,759 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 21:46:33,759 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 21:46:33,759 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 21:46:33,759 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 21:46:33,759 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 21:46:33,759 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 21:46:33,760 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse27 (= 6 |old(~a21~0)|)) (.cse6 (= ~a24~0 |old(~a24~0)|)) (.cse26 (= ~a21~0 6)) (.cse7 (= ~a21~0 |old(~a21~0)|)) (.cse28 (= ~a24~0 1)) (.cse9 (= ~a12~0 |old(~a12~0)|)) (.cse18 (= ~a15~0 |old(~a15~0)|))) (let ((.cse20 (not (<= |old(~a12~0)| 73282))) (.cse15 (not (<= |old(~a15~0)| 5))) (.cse14 (= 2 |old(~a24~0)|)) (.cse19 (not (= 8 |old(~a21~0)|))) (.cse0 (not (<= 1 |old(~a24~0)|))) (.cse13 (and .cse7 .cse28 .cse9 .cse18)) (.cse11 (not (<= (+ |old(~a12~0)| 43) 0))) (.cse21 (not (<= |old(~a15~0)| 7))) (.cse1 (not (<= |old(~a24~0)| 1))) (.cse22 (and .cse6 .cse26 .cse9 .cse18)) (.cse24 (= 6 |old(~a15~0)|)) (.cse23 (not .cse27)) (.cse16 (not (= 7 |old(~a21~0)|))) (.cse12 (not (= (+ |old(~a12~0)| 49) 0))) (.cse10 (not (= |old(~a24~0)| 1))) (.cse8 (= ~a15~0 8)) (.cse17 (= 7 ~a21~0)) (.cse5 (not (= 8 |old(~a15~0)|))) (.cse25 (not (<= 9 |old(~a15~0)|))) (.cse4 (not (<= 10 |old(~a21~0)|))) (.cse2 (and .cse6 .cse7 .cse9 .cse18)) (.cse3 (not (<= 0 (+ |old(~a12~0)| 41))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= |old(~a12~0)| 76))) (or .cse4 .cse5 .cse3 (and .cse6 .cse7 .cse8 .cse9)) (or (and (or .cse10 (not (= 9 |old(~a21~0)|)) .cse11 (= 9 |old(~a15~0)|)) (or .cse12 .cse10 .cse4 .cse5)) .cse13) (or .cse14 .cse2 .cse15) (or .cse16 (and .cse6 .cse9 .cse17 .cse18) .cse15) (or (and .cse6 (= ~a21~0 8) .cse9 .cse18) .cse0 .cse1 .cse19 .cse20 .cse3) (or .cse21 .cse0 .cse1 .cse22 .cse20 .cse23) (or .cse21 .cse4 .cse2 .cse24) (or .cse2 .cse20 .cse15) (or .cse25 .cse14 .cse2 .cse3) (or .cse1 .cse5 .cse3 (and .cse6 .cse8 .cse26 .cse9) .cse23) (or .cse21 .cse14 (= 10 |old(~a21~0)|) .cse2 .cse27) (or .cse0 .cse1 .cse25 .cse19 .cse2 (not (<= |old(~a15~0)| 9)) (not (<= (+ |old(~a12~0)| 526767) 0))) (or .cse0 .cse1 .cse25 .cse4 .cse13 .cse11) (or .cse21 .cse1 .cse22 .cse24 .cse23) (or .cse16 .cse12 .cse10 (and .cse8 .cse28 .cse9 .cse17) .cse5) (or .cse25 .cse4 .cse2 .cse3)))) [2020-10-14 21:46:33,760 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 21:46:33,760 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 21:46:33,760 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,760 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,760 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,761 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 21:46:33,761 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 21:46:33,761 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 21:46:33,761 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 21:46:33,761 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 21:46:33,761 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 21:46:33,761 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 21:46:33,761 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 21:46:33,761 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,761 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,762 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,762 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 21:46:33,762 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 21:46:33,762 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 21:46:33,762 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 21:46:33,762 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 21:46:33,762 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 21:46:33,762 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 21:46:33,762 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 21:46:33,762 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,763 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,763 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,763 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 21:46:33,763 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 21:46:33,763 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 21:46:33,763 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 21:46:33,763 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 21:46:33,763 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 21:46:33,763 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 21:46:33,763 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 21:46:33,764 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,764 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,764 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,764 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 21:46:33,764 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 21:46:33,764 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 21:46:33,764 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 21:46:33,764 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 21:46:33,764 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 21:46:33,765 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 21:46:33,765 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 21:46:33,765 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,765 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,765 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 21:46:33,765 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 21:46:33,765 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 21:46:33,765 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 21:46:33,765 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 21:46:33,766 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 21:46:33,766 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 21:46:33,766 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 21:46:33,766 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 100) no Hoare annotation was computed. [2020-10-14 21:46:33,766 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,766 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,766 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 21:46:33,766 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 21:46:33,766 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 21:46:33,767 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 21:46:33,767 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 21:46:33,767 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 21:46:33,767 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,767 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,767 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 21:46:33,767 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 21:46:33,767 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 21:46:33,767 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 21:46:33,767 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 21:46:33,768 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 21:46:33,768 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 21:46:33,768 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 21:46:33,768 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,768 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,768 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 21:46:33,768 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 21:46:33,768 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 21:46:33,768 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 21:46:33,768 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 21:46:33,769 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 21:46:33,769 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 21:46:33,769 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,769 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,769 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,769 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 21:46:33,769 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 21:46:33,769 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 21:46:33,769 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 21:46:33,769 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 21:46:33,770 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 21:46:33,770 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,770 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,770 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 21:46:33,770 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,770 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 21:46:33,770 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 21:46:33,770 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 21:46:33,770 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 21:46:33,770 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 21:46:33,771 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 21:46:33,771 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 21:46:33,771 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 21:46:33,771 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 21:46:33,771 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 21:46:33,771 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,771 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,771 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,771 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 21:46:33,771 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 21:46:33,771 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 21:46:33,772 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 21:46:33,772 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 21:46:33,772 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 21:46:33,772 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 21:46:33,772 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 21:46:33,772 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,772 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,772 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,772 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 21:46:33,772 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 21:46:33,773 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 21:46:33,773 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 21:46:33,773 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 21:46:33,773 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 21:46:33,773 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 21:46:33,773 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 21:46:33,773 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,773 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,773 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,773 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 21:46:33,774 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 21:46:33,774 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 21:46:33,774 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 21:46:33,774 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 21:46:33,774 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 21:46:33,774 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 21:46:33,774 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 21:46:33,774 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 21:46:33,774 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,774 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,774 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:46:33,775 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 21:46:33,775 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 21:46:33,775 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 21:46:33,775 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 21:46:33,775 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 21:46:33,775 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:46:33,775 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= ~a24~0 1) (= 7 ~a21~0) (= (+ ~a12~0 49) 0)) [2020-10-14 21:46:33,775 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 21:46:33,775 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:46:33,776 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (not (= |old(~a24~0)| 1)) (and (= ~a15~0 8) (= ~a24~0 1) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|))) [2020-10-14 21:46:33,776 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:46:33,776 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (= ~a15~0 8)) (.cse3 (= (+ ~a12~0 49) 0)) (.cse15 (<= (+ ~a12~0 43) 0)) (.cse1 (= ~a24~0 1)) (.cse5 (not (= ~a24~0 2))) (.cse14 (= ~a21~0 6)) (.cse7 (<= ~a15~0 5)) (.cse2 (= 7 ~a21~0)) (.cse9 (<= ~a15~0 7)) (.cse12 (not (= ~a15~0 6))) (.cse8 (<= ~a12~0 73282)) (.cse13 (<= 10 ~a21~0)) (.cse6 (<= 9 ~a15~0)) (.cse16 (= ~a21~0 8)) (.cse4 (<= 0 (+ ~a12~0 41))) (.cse10 (<= ~a24~0 1)) (.cse11 (<= 1 ~a24~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse8) (not (= |old(~a24~0)| 1)) (not (= 8 |old(~a15~0)|)) (and .cse9 .cse10 .cse11 .cse8 (<= ~a21~0 6)) (and .cse9 .cse10 .cse12) (and .cse4 .cse0 .cse13) (and .cse4 .cse10 .cse14 .cse12) (and .cse10 .cse15 .cse6 .cse11 .cse13) (and .cse7 .cse5) (and (or (and .cse0 .cse1 .cse13 .cse3) (and .cse15 .cse1 (= ~a21~0 9))) (<= ~a15~0 |old(~a15~0)|)) (and .cse9 (not (= ~a21~0 10)) .cse5 (not .cse14)) (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (and .cse7 .cse2) (and .cse9 .cse12 .cse13) (and .cse4 .cse10 .cse11 .cse16 .cse8) (and .cse4 .cse6 .cse13) (and .cse10 (or (= 5 main_~input~0) (= 6 main_~input~0) (= main_~input~0 4) (= 3 main_~input~0) (= main_~input~0 1) (= 2 main_~input~0)) .cse11 .cse6 .cse16 (<= (+ ~a12~0 526767) 0) (<= ~a15~0 9)) (and .cse4 .cse10 .cse11 (<= ~a12~0 76)))) [2020-10-14 21:46:33,776 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 21:46:33,776 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 21:46:33,777 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (= ~a15~0 8)) (.cse3 (= (+ ~a12~0 49) 0)) (.cse15 (<= (+ ~a12~0 43) 0)) (.cse1 (= ~a24~0 1)) (.cse5 (not (= ~a24~0 2))) (.cse14 (= ~a21~0 6)) (.cse7 (<= ~a15~0 5)) (.cse2 (= 7 ~a21~0)) (.cse9 (<= ~a15~0 7)) (.cse12 (not (= ~a15~0 6))) (.cse8 (<= ~a12~0 73282)) (.cse6 (<= 9 ~a15~0)) (.cse13 (<= 10 ~a21~0)) (.cse4 (<= 0 (+ ~a12~0 41))) (.cse10 (<= ~a24~0 1)) (.cse11 (<= 1 ~a24~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse8) (not (= |old(~a24~0)| 1)) (not (= 8 |old(~a15~0)|)) (and .cse9 .cse10 .cse11 .cse8 (<= ~a21~0 6)) (and .cse9 .cse10 .cse12) (and .cse4 .cse0 .cse13) (and .cse10 (<= 8 ~a21~0) .cse11 .cse6 (<= (+ ~a12~0 526767) 0) (<= ~a21~0 8) (<= ~a15~0 9)) (and .cse4 .cse10 .cse14 .cse12) (and .cse10 .cse15 .cse6 .cse11 .cse13) (and .cse7 .cse5) (and (or (and .cse0 .cse1 .cse13 .cse3) (and .cse15 .cse1 (= ~a21~0 9))) (<= ~a15~0 |old(~a15~0)|)) (and .cse9 (not (= ~a21~0 10)) .cse5 (not .cse14)) (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (and .cse7 .cse2) (and .cse9 .cse12 .cse13) (and .cse4 .cse10 .cse11 (= ~a21~0 8) .cse8) (and .cse4 .cse6 .cse13) (and .cse4 .cse10 .cse11 (<= ~a12~0 76)))) [2020-10-14 21:46:33,777 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:46:33,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:46:33 BoogieIcfgContainer [2020-10-14 21:46:33,815 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:46:33,819 INFO L168 Benchmark]: Toolchain (without parser) took 162228.57 ms. Allocated memory was 149.4 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 103.9 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-10-14 21:46:33,821 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 149.4 MB. Free memory was 124.0 MB in the beginning and 123.6 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-14 21:46:33,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 853.53 ms. Allocated memory was 149.4 MB in the beginning and 208.1 MB in the end (delta: 58.7 MB). Free memory was 103.5 MB in the beginning and 171.0 MB in the end (delta: -67.5 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. [2020-10-14 21:46:33,823 INFO L168 Benchmark]: Boogie Preprocessor took 134.84 ms. Allocated memory is still 208.1 MB. Free memory was 171.0 MB in the beginning and 165.1 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2020-10-14 21:46:33,824 INFO L168 Benchmark]: RCFGBuilder took 1389.62 ms. Allocated memory was 208.1 MB in the beginning and 235.9 MB in the end (delta: 27.8 MB). Free memory was 165.1 MB in the beginning and 149.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 73.4 MB. Max. memory is 7.1 GB. [2020-10-14 21:46:33,825 INFO L168 Benchmark]: TraceAbstraction took 159844.65 ms. Allocated memory was 235.9 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 149.5 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-14 21:46:33,836 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 149.4 MB. Free memory was 124.0 MB in the beginning and 123.6 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 853.53 ms. Allocated memory was 149.4 MB in the beginning and 208.1 MB in the end (delta: 58.7 MB). Free memory was 103.5 MB in the beginning and 171.0 MB in the end (delta: -67.5 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.84 ms. Allocated memory is still 208.1 MB. Free memory was 171.0 MB in the beginning and 165.1 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1389.62 ms. Allocated memory was 208.1 MB in the beginning and 235.9 MB in the end (delta: 27.8 MB). Free memory was 165.1 MB in the beginning and 149.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 73.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 159844.65 ms. Allocated memory was 235.9 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 149.5 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 100]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a15 == 8 && a24 == 1) && 7 == a21) && a12 + 49 == 0) || ((0 <= a12 + 41 && !(a24 == 2)) && 9 <= a15)) || (a15 <= 5 && a12 <= 73282)) || !(\old(a24) == 1)) || !(8 == \old(a15))) || ((((a15 <= 7 && a24 <= 1) && 1 <= a24) && a12 <= 73282) && a21 <= 6)) || ((a15 <= 7 && a24 <= 1) && !(a15 == 6))) || ((0 <= a12 + 41 && a15 == 8) && 10 <= a21)) || ((((((a24 <= 1 && 8 <= a21) && 1 <= a24) && 9 <= a15) && a12 + 526767 <= 0) && a21 <= 8) && a15 <= 9)) || (((0 <= a12 + 41 && a24 <= 1) && a21 == 6) && !(a15 == 6))) || ((((a24 <= 1 && a12 + 43 <= 0) && 9 <= a15) && 1 <= a24) && 10 <= a21)) || (a15 <= 5 && !(a24 == 2))) || (((((a15 == 8 && a24 == 1) && 10 <= a21) && a12 + 49 == 0) || ((a12 + 43 <= 0 && a24 == 1) && a21 == 9)) && a15 <= \old(a15))) || (((a15 <= 7 && !(a21 == 10)) && !(a24 == 2)) && !(a21 == 6))) || !(7 == \old(a21))) || !(\old(a12) + 49 == 0)) || (a15 <= 5 && 7 == a21)) || ((a15 <= 7 && !(a15 == 6)) && 10 <= a21)) || ((((0 <= a12 + 41 && a24 <= 1) && 1 <= a24) && a21 == 8) && a12 <= 73282)) || ((0 <= a12 + 41 && 9 <= a15) && 10 <= a21)) || (((0 <= a12 + 41 && a24 <= 1) && 1 <= a24) && a12 <= 76) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 152.6s, OverallIterations: 21, TraceHistogramMax: 16, AutomataDifference: 40.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 601 SDtfs, 14397 SDslu, 815 SDs, 0 SdLazy, 25982 SolverSat, 2991 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 632 GetRequests, 414 SyntacticMatches, 4 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8896occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 21 MinimizatonAttempts, 4614 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 492 PreInvPairs, 590 NumberOfFragments, 1159 HoareAnnotationTreeSize, 492 FomulaSimplifications, 17197 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9816 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 95.6s InterpolantComputationTime, 17850 NumberOfCodeBlocks, 17850 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 17829 ConstructedInterpolants, 0 QuantifiedInterpolants, 36405986 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 3 PerfectInterpolantSequences, 67675/70584 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...