/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label51.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 11:15:07,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 11:15:07,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 11:15:07,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 11:15:07,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 11:15:07,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 11:15:07,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 11:15:07,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 11:15:07,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 11:15:07,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 11:15:07,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 11:15:07,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 11:15:07,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 11:15:07,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 11:15:07,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 11:15:07,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 11:15:07,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 11:15:07,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 11:15:07,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 11:15:07,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 11:15:07,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 11:15:07,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 11:15:07,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 11:15:08,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 11:15:08,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 11:15:08,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 11:15:08,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 11:15:08,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 11:15:08,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 11:15:08,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 11:15:08,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 11:15:08,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 11:15:08,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 11:15:08,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 11:15:08,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 11:15:08,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 11:15:08,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 11:15:08,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 11:15:08,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 11:15:08,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 11:15:08,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 11:15:08,018 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 11:15:08,057 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 11:15:08,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 11:15:08,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 11:15:08,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 11:15:08,059 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 11:15:08,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 11:15:08,060 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 11:15:08,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 11:15:08,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 11:15:08,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 11:15:08,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 11:15:08,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 11:15:08,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 11:15:08,063 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 11:15:08,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 11:15:08,063 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 11:15:08,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 11:15:08,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 11:15:08,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 11:15:08,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 11:15:08,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 11:15:08,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 11:15:08,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 11:15:08,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 11:15:08,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 11:15:08,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 11:15:08,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 11:15:08,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 11:15:08,066 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 11:15:08,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 11:15:08,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 11:15:08,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 11:15:08,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 11:15:08,347 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 11:15:08,347 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 11:15:08,348 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label51.c [2020-10-12 11:15:08,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6809a2bf3/a41325af467f49dba24e666c5df9cdff/FLAG27b228407 [2020-10-12 11:15:08,877 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 11:15:08,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label51.c [2020-10-12 11:15:08,891 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6809a2bf3/a41325af467f49dba24e666c5df9cdff/FLAG27b228407 [2020-10-12 11:15:09,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6809a2bf3/a41325af467f49dba24e666c5df9cdff [2020-10-12 11:15:09,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 11:15:09,177 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 11:15:09,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 11:15:09,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 11:15:09,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 11:15:09,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:15:09" (1/1) ... [2020-10-12 11:15:09,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:09, skipping insertion in model container [2020-10-12 11:15:09,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:15:09" (1/1) ... [2020-10-12 11:15:09,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 11:15:09,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 11:15:09,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:15:09,740 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 11:15:09,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:15:09,879 INFO L208 MainTranslator]: Completed translation [2020-10-12 11:15:09,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:09 WrapperNode [2020-10-12 11:15:09,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 11:15:09,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 11:15:09,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 11:15:09,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 11:15:09,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:09" (1/1) ... [2020-10-12 11:15:09,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:09" (1/1) ... [2020-10-12 11:15:09,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:09" (1/1) ... [2020-10-12 11:15:09,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:09" (1/1) ... [2020-10-12 11:15:09,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:09" (1/1) ... [2020-10-12 11:15:09,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:09" (1/1) ... [2020-10-12 11:15:09,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:09" (1/1) ... [2020-10-12 11:15:09,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 11:15:09,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 11:15:09,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 11:15:09,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 11:15:09,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 11:15:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 11:15:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 11:15:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 11:15:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 11:15:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 11:15:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 11:15:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 11:15:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 11:15:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 11:15:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 11:15:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 11:15:11,104 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 11:15:11,104 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 11:15:11,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:15:11 BoogieIcfgContainer [2020-10-12 11:15:11,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 11:15:11,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 11:15:11,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 11:15:11,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 11:15:11,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:15:09" (1/3) ... [2020-10-12 11:15:11,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b99e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:15:11, skipping insertion in model container [2020-10-12 11:15:11,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:09" (2/3) ... [2020-10-12 11:15:11,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b99e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:15:11, skipping insertion in model container [2020-10-12 11:15:11,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:15:11" (3/3) ... [2020-10-12 11:15:11,118 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label51.c [2020-10-12 11:15:11,128 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 11:15:11,136 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 11:15:11,149 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 11:15:11,174 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 11:15:11,174 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 11:15:11,174 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 11:15:11,174 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 11:15:11,175 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 11:15:11,175 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 11:15:11,175 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 11:15:11,175 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 11:15:11,197 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-12 11:15:11,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-12 11:15:11,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:11,211 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:11,211 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:11,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:11,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1960329542, now seen corresponding path program 1 times [2020-10-12 11:15:11,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:11,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1344951707] [2020-10-12 11:15:11,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:11,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:11,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:12,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:12,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-12 11:15:12,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:12,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1305 [2020-10-12 11:15:12,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:12,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 11:15:12,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:15:12,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 11:15:12,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 11:15:13,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:13,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:13,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:13,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:13,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:13,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:15:13,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:13,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:13,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:13,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:15:13,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:13,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:15:13,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1344951707] [2020-10-12 11:15:13,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 11:15:13,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 11:15:13,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161558537] [2020-10-12 11:15:13,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:13,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:13,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:13,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:13,373 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 12 states. [2020-10-12 11:15:13,633 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2020-10-12 11:15:13,786 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2020-10-12 11:15:13,964 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2020-10-12 11:15:14,157 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2020-10-12 11:15:14,339 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2020-10-12 11:15:14,762 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2020-10-12 11:15:15,128 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2020-10-12 11:15:15,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:15,917 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-12 11:15:15,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 11:15:15,921 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 116 [2020-10-12 11:15:15,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:15,937 INFO L225 Difference]: With dead ends: 536 [2020-10-12 11:15:15,938 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:15:15,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-12 11:15:15,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:15:15,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:15:15,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:15:16,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-12 11:15:16,003 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 116 [2020-10-12 11:15:16,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:16,003 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-12 11:15:16,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:16,004 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-12 11:15:16,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-12 11:15:16,008 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:16,008 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:16,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 11:15:16,009 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:16,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:16,009 INFO L82 PathProgramCache]: Analyzing trace with hash 539238327, now seen corresponding path program 1 times [2020-10-12 11:15:16,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:16,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [342055818] [2020-10-12 11:15:16,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:16,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:16,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:16,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:17,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:17,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 11:15:17,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:15:17,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1175 [2020-10-12 11:15:17,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:17,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:17,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 11:15:17,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 11:15:17,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:17,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:17,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:17,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:17,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:17,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:17,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:15:17,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:17,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:17,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:17,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:17,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:17,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:17,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:18,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:18,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 11:15:18,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:18,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:15:18,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:18,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:18,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:18,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 11:15:18,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:18,139 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:15:18,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [342055818] [2020-10-12 11:15:18,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:18,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:18,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106744847] [2020-10-12 11:15:18,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:18,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:18,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:18,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:18,143 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-12 11:15:20,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:20,267 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-12 11:15:20,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 11:15:20,268 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 125 [2020-10-12 11:15:20,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:20,271 INFO L225 Difference]: With dead ends: 549 [2020-10-12 11:15:20,271 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:15:20,273 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-12 11:15:20,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:15:20,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:15:20,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:15:20,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-12 11:15:20,294 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 125 [2020-10-12 11:15:20,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:20,295 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-12 11:15:20,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:20,295 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-12 11:15:20,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-12 11:15:20,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:20,298 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:20,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 11:15:20,299 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:20,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:20,299 INFO L82 PathProgramCache]: Analyzing trace with hash 572779055, now seen corresponding path program 1 times [2020-10-12 11:15:20,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:20,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1178469453] [2020-10-12 11:15:20,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:20,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:20,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:20,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:21,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:21,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-12 11:15:21,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:15:21,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1236 [2020-10-12 11:15:21,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:21,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:21,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 11:15:21,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-12 11:15:21,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:22,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:22,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:22,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:22,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:22,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:22,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:15:22,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:22,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:22,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:22,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:22,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:22,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:22,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:22,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:22,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:15:22,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:22,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 11:15:22,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:22,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:22,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:22,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 11:15:22,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:22,267 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:15:22,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1178469453] [2020-10-12 11:15:22,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:22,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:22,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075135452] [2020-10-12 11:15:22,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:22,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:22,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:22,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:22,270 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-12 11:15:23,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:23,925 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-12 11:15:23,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:15:23,925 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 129 [2020-10-12 11:15:23,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:23,929 INFO L225 Difference]: With dead ends: 554 [2020-10-12 11:15:23,929 INFO L226 Difference]: Without dead ends: 327 [2020-10-12 11:15:23,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-12 11:15:23,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-12 11:15:23,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-12 11:15:23,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-12 11:15:23,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-12 11:15:23,952 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 129 [2020-10-12 11:15:23,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:23,953 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-12 11:15:23,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:23,953 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-12 11:15:23,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-12 11:15:23,956 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:23,956 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:23,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 11:15:23,956 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:23,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:23,957 INFO L82 PathProgramCache]: Analyzing trace with hash 8475783, now seen corresponding path program 1 times [2020-10-12 11:15:23,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:23,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1455288882] [2020-10-12 11:15:23,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:24,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:24,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:24,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:24,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-12 11:15:24,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:24,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 709 [2020-10-12 11:15:24,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 11:15:24,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-12 11:15:24,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 11:15:24,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:24,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:24,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:24,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:24,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:24,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:15:24,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:24,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:24,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:24,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:24,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:24,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:24,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:24,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:24,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:15:24,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:24,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:15:24,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:24,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:24,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:24,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:24,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:24,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:15:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:24,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:24,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:24,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:15:24,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:24,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 11:15:24,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:24,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:24,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:24,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 11:15:24,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:25,149 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 11:15:25,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1455288882] [2020-10-12 11:15:25,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:25,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:15:25,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624276078] [2020-10-12 11:15:25,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:15:25,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:25,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:15:25,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:15:25,152 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 5 states. [2020-10-12 11:15:26,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:26,189 INFO L93 Difference]: Finished difference Result 724 states and 951 transitions. [2020-10-12 11:15:26,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:15:26,190 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 151 [2020-10-12 11:15:26,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:26,194 INFO L225 Difference]: With dead ends: 724 [2020-10-12 11:15:26,194 INFO L226 Difference]: Without dead ends: 323 [2020-10-12 11:15:26,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:15:26,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-12 11:15:26,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 318. [2020-10-12 11:15:26,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-12 11:15:26,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 395 transitions. [2020-10-12 11:15:26,213 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 395 transitions. Word has length 151 [2020-10-12 11:15:26,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:26,213 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 395 transitions. [2020-10-12 11:15:26,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:15:26,213 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 395 transitions. [2020-10-12 11:15:26,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 11:15:26,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:26,216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:26,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 11:15:26,216 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:26,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:26,217 INFO L82 PathProgramCache]: Analyzing trace with hash -90063930, now seen corresponding path program 1 times [2020-10-12 11:15:26,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:26,217 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [142811260] [2020-10-12 11:15:26,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:26,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:26,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:26,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:27,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:27,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-12 11:15:27,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:15:27,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1141 [2020-10-12 11:15:27,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:27,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:27,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 11:15:27,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 11:15:27,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:27,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:27,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:27,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:27,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:27,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:27,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:15:27,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:27,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:27,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:27,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:27,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:27,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:27,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:27,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:27,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:27,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:27,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 11:15:27,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:27,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:27,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:27,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 11:15:27,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:27,850 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:15:27,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [142811260] [2020-10-12 11:15:27,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:27,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:27,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829050007] [2020-10-12 11:15:27,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:27,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:27,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:27,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:27,853 INFO L87 Difference]: Start difference. First operand 318 states and 395 transitions. Second operand 12 states. [2020-10-12 11:15:29,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:29,592 INFO L93 Difference]: Finished difference Result 723 states and 948 transitions. [2020-10-12 11:15:29,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 11:15:29,593 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 150 [2020-10-12 11:15:29,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:29,597 INFO L225 Difference]: With dead ends: 723 [2020-10-12 11:15:29,597 INFO L226 Difference]: Without dead ends: 401 [2020-10-12 11:15:29,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-12 11:15:29,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-12 11:15:29,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 394. [2020-10-12 11:15:29,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-12 11:15:29,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 475 transitions. [2020-10-12 11:15:29,616 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 475 transitions. Word has length 150 [2020-10-12 11:15:29,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:29,617 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 475 transitions. [2020-10-12 11:15:29,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:29,617 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 475 transitions. [2020-10-12 11:15:29,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-12 11:15:29,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:29,620 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:29,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 11:15:29,620 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:29,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:29,620 INFO L82 PathProgramCache]: Analyzing trace with hash 815995233, now seen corresponding path program 1 times [2020-10-12 11:15:29,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:29,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1241042501] [2020-10-12 11:15:29,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:29,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:29,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:29,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:29,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:31,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:31,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-12 11:15:31,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:15:31,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1943 [2020-10-12 11:15:31,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:31,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 11:15:31,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:15:31,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-12 11:15:31,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:31,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:31,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:31,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:31,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:31,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:31,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:15:31,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:31,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:31,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:31,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:15:31,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:31,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:31,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:31,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:31,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:31,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:31,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:31,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-12 11:15:31,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:31,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:31,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:31,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:15:31,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:31,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:15:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:31,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:31,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:31,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:31,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:15:31,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:31,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 11:15:31,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:31,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:31,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:31,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:15:31,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 11:15:32,030 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-12 11:15:32,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1241042501] [2020-10-12 11:15:32,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:32,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:15:32,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525542034] [2020-10-12 11:15:32,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:15:32,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:32,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:15:32,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:15:32,036 INFO L87 Difference]: Start difference. First operand 394 states and 475 transitions. Second operand 7 states. [2020-10-12 11:15:33,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:33,194 INFO L93 Difference]: Finished difference Result 940 states and 1179 transitions. [2020-10-12 11:15:33,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 11:15:33,195 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 158 [2020-10-12 11:15:33,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:33,199 INFO L225 Difference]: With dead ends: 940 [2020-10-12 11:15:33,199 INFO L226 Difference]: Without dead ends: 552 [2020-10-12 11:15:33,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:15:33,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2020-10-12 11:15:33,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 545. [2020-10-12 11:15:33,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2020-10-12 11:15:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 671 transitions. [2020-10-12 11:15:33,244 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 671 transitions. Word has length 158 [2020-10-12 11:15:33,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:33,247 INFO L479 AbstractCegarLoop]: Abstraction has 545 states and 671 transitions. [2020-10-12 11:15:33,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:15:33,247 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 671 transitions. [2020-10-12 11:15:33,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-12 11:15:33,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:33,253 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:33,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 11:15:33,253 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:33,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:33,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1097995225, now seen corresponding path program 1 times [2020-10-12 11:15:33,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:33,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1525075578] [2020-10-12 11:15:33,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:33,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:33,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:33,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:34,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:37,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:38,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:38,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-12 11:15:38,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:15:38,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 11:15:38,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-12 11:15:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 11:15:38,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:38,699 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-10-12 11:15:38,865 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2020-10-12 11:15:39,101 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 45 [2020-10-12 11:15:39,321 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 40 [2020-10-12 11:15:39,527 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 36 [2020-10-12 11:15:39,718 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 31 [2020-10-12 11:15:39,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:39,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:39,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:39,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:39,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:39,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:15:39,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:39,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:39,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:39,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:39,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:39,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:39,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:39,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:39,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:39,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:39,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:15:39,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:39,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:39,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:39,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:39,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:39,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:15:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:39,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:39,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:39,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:15:39,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:39,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:15:39,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:39,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:39,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:39,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:39,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:39,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:15:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:39,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:39,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:39,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 11:15:39,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:39,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 11:15:39,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:39,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:39,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:39,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 11:15:39,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 11:15:40,239 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 59 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-12 11:15:40,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1525075578] [2020-10-12 11:15:40,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:40,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:40,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521645640] [2020-10-12 11:15:40,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:40,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:40,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:40,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:40,243 INFO L87 Difference]: Start difference. First operand 545 states and 671 transitions. Second operand 12 states. [2020-10-12 11:15:40,775 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-12 11:15:41,554 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 100 [2020-10-12 11:15:41,831 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 96 [2020-10-12 11:15:42,155 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 93 [2020-10-12 11:15:42,426 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 88 [2020-10-12 11:15:42,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:42,696 INFO L93 Difference]: Finished difference Result 1169 states and 1494 transitions. [2020-10-12 11:15:42,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 11:15:42,697 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 181 [2020-10-12 11:15:42,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:42,702 INFO L225 Difference]: With dead ends: 1169 [2020-10-12 11:15:42,702 INFO L226 Difference]: Without dead ends: 630 [2020-10-12 11:15:42,705 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-12 11:15:42,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-12 11:15:42,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 627. [2020-10-12 11:15:42,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2020-10-12 11:15:42,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 762 transitions. [2020-10-12 11:15:42,728 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 762 transitions. Word has length 181 [2020-10-12 11:15:42,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:42,729 INFO L479 AbstractCegarLoop]: Abstraction has 627 states and 762 transitions. [2020-10-12 11:15:42,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:42,729 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 762 transitions. [2020-10-12 11:15:42,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-12 11:15:42,732 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:42,733 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:42,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 11:15:42,733 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:42,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:42,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1635203155, now seen corresponding path program 1 times [2020-10-12 11:15:42,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:42,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [773265873] [2020-10-12 11:15:42,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:42,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:42,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:43,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:43,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:43,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-12 11:15:43,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:15:43,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 902 [2020-10-12 11:15:43,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:43,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:43,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-12 11:15:43,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 11:15:43,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:43,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:43,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:43,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:43,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:43,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:43,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:15:43,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:43,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:43,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:43,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:43,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:43,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:43,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:43,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:43,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:43,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:43,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:15:43,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:43,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:43,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:15:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:43,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:43,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:43,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:15:43,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:43,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:15:43,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:43,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:43,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:43,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 11:15:43,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:43,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:15:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:43,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:43,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:43,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 11:15:43,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:43,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 11:15:43,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:43,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:43,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:43,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 11:15:43,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:43,903 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 96 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-12 11:15:43,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [773265873] [2020-10-12 11:15:43,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:43,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:15:43,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207038802] [2020-10-12 11:15:43,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:15:43,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:43,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:15:43,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:15:43,905 INFO L87 Difference]: Start difference. First operand 627 states and 762 transitions. Second operand 7 states. [2020-10-12 11:15:45,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:45,031 INFO L93 Difference]: Finished difference Result 1565 states and 1982 transitions. [2020-10-12 11:15:45,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 11:15:45,032 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 186 [2020-10-12 11:15:45,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:45,037 INFO L225 Difference]: With dead ends: 1565 [2020-10-12 11:15:45,037 INFO L226 Difference]: Without dead ends: 944 [2020-10-12 11:15:45,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-12 11:15:45,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2020-10-12 11:15:45,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 934. [2020-10-12 11:15:45,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 934 states. [2020-10-12 11:15:45,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 934 states and 1126 transitions. [2020-10-12 11:15:45,067 INFO L78 Accepts]: Start accepts. Automaton has 934 states and 1126 transitions. Word has length 186 [2020-10-12 11:15:45,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:45,068 INFO L479 AbstractCegarLoop]: Abstraction has 934 states and 1126 transitions. [2020-10-12 11:15:45,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:15:45,068 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1126 transitions. [2020-10-12 11:15:45,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-12 11:15:45,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:45,072 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:45,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 11:15:45,073 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:45,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:45,073 INFO L82 PathProgramCache]: Analyzing trace with hash 406936132, now seen corresponding path program 1 times [2020-10-12 11:15:45,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:45,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [260577466] [2020-10-12 11:15:45,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:45,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:45,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:45,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:45,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:45,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:45,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:48,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:49,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:50,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:50,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-12 11:15:50,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 11:15:50,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 11:15:50,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 11:15:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:15:50,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-12 11:15:50,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:50,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:50,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:50,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:50,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:50,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:50,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:15:50,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:50,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:50,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:50,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:15:50,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:50,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:50,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:50,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:50,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:50,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:50,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:50,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 11:15:50,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:50,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:50,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:50,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:15:50,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:50,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:15:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:50,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:50,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:50,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:50,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:15:50,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:50,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:15:50,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:50,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:50,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:50,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:15:50,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:50,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:15:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:50,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:50,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:50,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 11:15:50,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:50,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:15:50,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:50,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:50,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:50,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 11:15:50,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:50,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 11:15:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:50,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:50,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:50,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 11:15:50,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:50,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:15:50,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:50,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:50,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 11:15:50,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:50,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:50,400 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 81 proven. 39 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-12 11:15:50,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [260577466] [2020-10-12 11:15:50,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:50,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 11:15:50,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947801484] [2020-10-12 11:15:50,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 11:15:50,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:50,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 11:15:50,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-12 11:15:50,402 INFO L87 Difference]: Start difference. First operand 934 states and 1126 transitions. Second operand 9 states. [2020-10-12 11:15:51,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:51,972 INFO L93 Difference]: Finished difference Result 2214 states and 2871 transitions. [2020-10-12 11:15:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 11:15:51,973 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 196 [2020-10-12 11:15:51,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:51,981 INFO L225 Difference]: With dead ends: 2214 [2020-10-12 11:15:51,981 INFO L226 Difference]: Without dead ends: 1286 [2020-10-12 11:15:51,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2020-10-12 11:15:51,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2020-10-12 11:15:52,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1240. [2020-10-12 11:15:52,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1240 states. [2020-10-12 11:15:52,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1478 transitions. [2020-10-12 11:15:52,040 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1478 transitions. Word has length 196 [2020-10-12 11:15:52,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:52,041 INFO L479 AbstractCegarLoop]: Abstraction has 1240 states and 1478 transitions. [2020-10-12 11:15:52,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 11:15:52,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1478 transitions. [2020-10-12 11:15:52,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-12 11:15:52,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:52,046 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 11:15:52,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 11:15:52,046 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:52,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:52,047 INFO L82 PathProgramCache]: Analyzing trace with hash 261794684, now seen corresponding path program 1 times [2020-10-12 11:15:52,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:52,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036059450] [2020-10-12 11:15:52,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:52,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:52,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:52,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:53,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:53,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-12 11:15:53,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:15:53,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-10-12 11:15:53,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:53,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:53,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-12 11:15:53,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 11:15:53,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:53,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:53,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:53,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:53,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:53,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:53,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:15:53,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:53,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:53,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:53,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:53,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:53,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:53,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:53,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:53,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 11:15:53,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:53,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:15:53,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:53,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:53,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:53,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:53,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:53,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 11:15:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:53,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:53,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:53,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 11:15:53,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:53,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 11:15:53,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 11:15:53,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:53,296 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 80 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-12 11:15:53,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036059450] [2020-10-12 11:15:53,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:53,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:15:53,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808050425] [2020-10-12 11:15:53,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:15:53,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:53,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:15:53,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:15:53,300 INFO L87 Difference]: Start difference. First operand 1240 states and 1478 transitions. Second operand 5 states. [2020-10-12 11:15:54,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:54,340 INFO L93 Difference]: Finished difference Result 3360 states and 4109 transitions. [2020-10-12 11:15:54,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:15:54,341 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 201 [2020-10-12 11:15:54,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:54,351 INFO L225 Difference]: With dead ends: 3360 [2020-10-12 11:15:54,352 INFO L226 Difference]: Without dead ends: 2126 [2020-10-12 11:15:54,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:15:54,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2126 states. [2020-10-12 11:15:54,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2126 to 1973. [2020-10-12 11:15:54,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1973 states. [2020-10-12 11:15:54,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1973 states and 2395 transitions. [2020-10-12 11:15:54,415 INFO L78 Accepts]: Start accepts. Automaton has 1973 states and 2395 transitions. Word has length 201 [2020-10-12 11:15:54,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:54,416 INFO L479 AbstractCegarLoop]: Abstraction has 1973 states and 2395 transitions. [2020-10-12 11:15:54,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:15:54,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1973 states and 2395 transitions. [2020-10-12 11:15:54,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-12 11:15:54,424 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:54,424 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 11:15:54,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 11:15:54,425 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:54,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:54,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1602093460, now seen corresponding path program 1 times [2020-10-12 11:15:54,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:54,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1039931289] [2020-10-12 11:15:54,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:54,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:54,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:54,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:54,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:56,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:56,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-12 11:15:56,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:15:56,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1632 [2020-10-12 11:15:56,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:56,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:56,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-12 11:15:56,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 11:15:56,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:56,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:56,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:56,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:56,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:56,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:56,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:15:56,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:56,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:56,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:56,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:56,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:56,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:56,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:56,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:56,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 11:15:56,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:56,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:15:56,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:56,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:56,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:56,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:56,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:56,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 11:15:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:56,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:56,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:56,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 11:15:56,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:56,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 11:15:56,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:56,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:56,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:56,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 11:15:56,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:57,084 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-12 11:15:57,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1039931289] [2020-10-12 11:15:57,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:57,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:15:57,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714832449] [2020-10-12 11:15:57,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:15:57,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:57,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:15:57,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:15:57,087 INFO L87 Difference]: Start difference. First operand 1973 states and 2395 transitions. Second operand 13 states. [2020-10-12 11:15:57,755 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-10-12 11:15:57,969 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-10-12 11:15:58,287 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-10-12 11:15:58,571 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2020-10-12 11:15:59,045 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2020-10-12 11:15:59,277 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-10-12 11:15:59,801 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-12 11:16:00,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:16:00,734 INFO L93 Difference]: Finished difference Result 4104 states and 5089 transitions. [2020-10-12 11:16:00,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 11:16:00,735 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 209 [2020-10-12 11:16:00,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:16:00,745 INFO L225 Difference]: With dead ends: 4104 [2020-10-12 11:16:00,745 INFO L226 Difference]: Without dead ends: 2137 [2020-10-12 11:16:00,750 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=260, Invalid=610, Unknown=0, NotChecked=0, Total=870 [2020-10-12 11:16:00,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2137 states. [2020-10-12 11:16:00,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2137 to 2048. [2020-10-12 11:16:00,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2048 states. [2020-10-12 11:16:00,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 2048 states and 2474 transitions. [2020-10-12 11:16:00,802 INFO L78 Accepts]: Start accepts. Automaton has 2048 states and 2474 transitions. Word has length 209 [2020-10-12 11:16:00,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:16:00,803 INFO L479 AbstractCegarLoop]: Abstraction has 2048 states and 2474 transitions. [2020-10-12 11:16:00,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:16:00,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 2474 transitions. [2020-10-12 11:16:00,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-12 11:16:00,810 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:16:00,811 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:16:00,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 11:16:00,811 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:16:00,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:16:00,812 INFO L82 PathProgramCache]: Analyzing trace with hash 69182697, now seen corresponding path program 1 times [2020-10-12 11:16:00,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:16:00,812 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1106678420] [2020-10-12 11:16:00,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:16:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:00,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:00,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:00,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:01,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:01,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:02,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:02,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:02,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-12 11:16:02,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 11:16:02,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2028 [2020-10-12 11:16:02,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:02,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:16:02,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-12 11:16:02,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 11:16:02,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:02,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:16:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:02,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:02,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:02,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:16:02,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:02,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 11:16:02,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:02,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:16:02,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:16:02,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:16:02,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:02,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:16:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:02,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:02,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:02,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 11:16:02,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:02,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:16:02,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:02,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:16:02,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:16:02,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:16:02,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:03,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 11:16:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:03,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:03,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:03,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 11:16:03,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:03,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:16:03,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:03,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:16:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:16:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:16:03,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:03,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 11:16:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:03,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:03,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:03,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:03,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 11:16:03,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:16:03,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:16:03,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:03,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:16:03,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 11:16:03,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:16:03,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:03,087 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 98 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-12 11:16:03,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1106678420] [2020-10-12 11:16:03,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:16:03,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:16:03,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432480334] [2020-10-12 11:16:03,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 11:16:03,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:16:03,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 11:16:03,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:16:03,091 INFO L87 Difference]: Start difference. First operand 2048 states and 2474 transitions. Second operand 6 states. [2020-10-12 11:16:05,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:16:05,089 INFO L93 Difference]: Finished difference Result 5547 states and 6928 transitions. [2020-10-12 11:16:05,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 11:16:05,090 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 222 [2020-10-12 11:16:05,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:16:05,090 INFO L225 Difference]: With dead ends: 5547 [2020-10-12 11:16:05,091 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 11:16:05,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-12 11:16:05,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 11:16:05,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 11:16:05,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 11:16:05,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 11:16:05,102 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2020-10-12 11:16:05,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:16:05,103 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 11:16:05,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 11:16:05,103 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 11:16:05,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 11:16:05,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 11:16:05,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 11:16:05,677 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 144 [2020-10-12 11:16:06,096 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 152 [2020-10-12 11:16:06,232 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 34 [2020-10-12 11:16:06,954 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 75 [2020-10-12 11:16:07,341 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 57 [2020-10-12 11:16:07,718 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 57 [2020-10-12 11:16:07,723 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:16:07,723 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-12 11:16:07,723 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:16:07,724 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,724 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,724 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,724 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,724 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,725 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-12 11:16:07,725 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-12 11:16:07,725 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-12 11:16:07,725 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-12 11:16:07,725 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-12 11:16:07,725 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-12 11:16:07,725 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-12 11:16:07,726 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-12 11:16:07,726 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-12 11:16:07,726 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-12 11:16:07,726 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:16:07,726 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:16:07,726 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-12 11:16:07,726 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,726 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,726 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,726 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,726 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-12 11:16:07,726 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,726 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-12 11:16:07,726 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-12 11:16:07,727 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-12 11:16:07,727 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-12 11:16:07,727 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-12 11:16:07,727 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-12 11:16:07,727 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-12 11:16:07,727 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:16:07,727 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:16:07,727 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-12 11:16:07,727 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-12 11:16:07,727 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-12 11:16:07,728 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:16:07,728 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:16:07,728 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-12 11:16:07,728 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,728 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,728 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,728 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,728 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,728 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 502) no Hoare annotation was computed. [2020-10-12 11:16:07,729 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:16:07,729 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-12 11:16:07,729 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:16:07,729 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-12 11:16:07,729 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-12 11:16:07,729 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-12 11:16:07,729 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-12 11:16:07,729 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-12 11:16:07,729 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-12 11:16:07,729 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-12 11:16:07,730 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-12 11:16:07,730 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,730 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,730 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,730 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,730 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,730 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-12 11:16:07,730 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-12 11:16:07,730 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-12 11:16:07,731 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-12 11:16:07,731 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-12 11:16:07,731 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-12 11:16:07,731 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-12 11:16:07,731 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-12 11:16:07,731 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-12 11:16:07,731 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-12 11:16:07,731 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-12 11:16:07,731 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-12 11:16:07,731 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-12 11:16:07,732 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,732 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,732 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,732 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,732 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,732 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-12 11:16:07,732 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-12 11:16:07,732 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-12 11:16:07,732 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-12 11:16:07,733 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-12 11:16:07,733 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-12 11:16:07,733 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-12 11:16:07,733 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-12 11:16:07,733 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-12 11:16:07,733 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-12 11:16:07,733 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-12 11:16:07,733 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-12 11:16:07,733 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-12 11:16:07,734 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:16:07,734 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-12 11:16:07,734 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:16:07,734 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,734 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,734 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,734 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,734 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-12 11:16:07,734 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,735 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:16:07,735 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,735 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:16:07,735 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:16:07,735 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:16:07,735 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,735 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,735 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-12 11:16:07,736 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-12 11:16:07,736 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-12 11:16:07,736 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-12 11:16:07,736 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-12 11:16:07,736 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-12 11:16:07,736 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-12 11:16:07,736 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-12 11:16:07,736 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-12 11:16:07,736 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-12 11:16:07,737 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-12 11:16:07,737 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,737 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,737 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,737 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,737 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,737 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,737 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-12 11:16:07,737 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-12 11:16:07,738 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-12 11:16:07,738 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-12 11:16:07,738 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-12 11:16:07,738 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-12 11:16:07,738 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-12 11:16:07,738 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-12 11:16:07,738 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-12 11:16:07,738 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-12 11:16:07,738 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-12 11:16:07,738 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,739 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,739 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,739 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,739 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,739 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,739 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-12 11:16:07,739 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-12 11:16:07,739 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-12 11:16:07,739 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-12 11:16:07,739 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-12 11:16:07,740 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-12 11:16:07,740 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-12 11:16:07,740 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-12 11:16:07,740 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-12 11:16:07,740 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-12 11:16:07,740 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-12 11:16:07,740 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-12 11:16:07,740 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-12 11:16:07,740 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-12 11:16:07,740 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,741 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,741 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,741 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse11 (= ~a28~0 |old(~a28~0)|)) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (let ((.cse9 (and (not (<= |old(~a11~0)| 0)) (not (< 1 |old(~a11~0)|)))) (.cse4 (not (= |old(~a19~0)| 1))) (.cse7 (and .cse11 .cse0 .cse1 .cse2 .cse3)) (.cse5 (and .cse11 .cse1 .cse2 (= ~a17~0 8) .cse3)) (.cse8 (not (<= |old(~a28~0)| 8))) (.cse10 (= |old(~a25~0)| 1)) (.cse6 (not (= 8 |old(~a17~0)|)))) (and (or (and .cse0 .cse1 .cse2 (= ~a28~0 9) .cse3) (not (= 9 |old(~a28~0)|))) (or .cse4 .cse5 .cse6) (or .cse4 .cse7 .cse8) (or .cse4 .cse7 .cse9) (or .cse5 .cse9 .cse6) (or (not (<= |old(~a11~0)| 1)) (not (<= |old(~a28~0)| 10)) (not (<= 7 |old(~a17~0)|)) (not (<= |old(~a17~0)| 7)) (not (<= |old(~a25~0)| 0)) (not (<= 10 |old(~a28~0)|)) (not (= ~a21~0 1)) (not (<= 1 |old(~a11~0)|)) (and (<= 1 ~a11~0) (<= 7 ~a17~0) (<= 10 ~a28~0) .cse2 (<= ~a11~0 1) (<= ~a28~0 10) (<= ~a17~0 7) .cse3) (not (<= |old(~a19~0)| 0))) (or .cse4 .cse7 .cse10) (or .cse5 .cse8 .cse10 .cse6)))) [2020-10-12 11:16:07,741 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,741 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,741 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,742 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-12 11:16:07,742 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-12 11:16:07,742 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-12 11:16:07,742 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-12 11:16:07,742 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-12 11:16:07,742 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-12 11:16:07,742 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-12 11:16:07,742 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-12 11:16:07,742 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-12 11:16:07,742 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-12 11:16:07,743 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-12 11:16:07,743 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-12 11:16:07,743 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-12 11:16:07,743 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,743 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,743 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,743 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,743 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,743 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,743 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-12 11:16:07,744 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-12 11:16:07,744 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-12 11:16:07,744 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-12 11:16:07,744 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-12 11:16:07,744 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-12 11:16:07,744 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-12 11:16:07,744 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-12 11:16:07,744 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-12 11:16:07,744 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-12 11:16:07,744 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-12 11:16:07,745 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:16:07,745 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:16:07,745 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-12 11:16:07,745 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-12 11:16:07,745 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-12 11:16:07,745 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,745 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,745 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,745 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,745 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:07,746 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-12 11:16:07,746 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-12 11:16:07,746 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-12 11:16:07,746 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-12 11:16:07,746 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-12 11:16:07,746 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-12 11:16:07,746 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-12 11:16:07,746 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-12 11:16:07,746 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-12 11:16:07,746 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-12 11:16:07,746 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-12 11:16:07,747 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:16:07,747 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-12 11:16:07,747 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:16:07,747 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-12 11:16:07,747 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:16:07,747 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:16:07,747 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-12 11:16:07,747 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-12 11:16:07,747 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:16:07,747 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a19~0 1) (= ~a21~0 1) (= ~a17~0 8) (= 7 ~a28~0) (<= ~a25~0 0)) [2020-10-12 11:16:07,748 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 11:16:07,748 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:16:07,748 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (= ~a21~0 1)) (and (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0)) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a11~0)| 0))) [2020-10-12 11:16:07,748 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (or (<= ~a11~0 0) (< 1 ~a11~0))) (.cse3 (= ~a19~0 1)) (.cse0 (<= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a17~0 8)) (.cse5 (<= ~a28~0 8)) (.cse4 (not (= ~a25~0 1)))) (or (not (= |old(~a19~0)| 1)) (and .cse0 (= ~a28~0 9)) (and .cse1 .cse0 .cse2) (not (= 8 |old(~a17~0)|)) (and .cse1 .cse3 .cse0) (not (<= |old(~a25~0)| 0)) (and .cse3 .cse0 .cse4) (and (<= 1 ~a11~0) (<= ~a19~0 0) (<= 7 ~a17~0) (<= 10 ~a28~0) (<= ~a11~0 1) (<= ~a17~0 7) (<= ~a25~0 0) (<= ~a28~0 10)) (not (= ~a21~0 1)) (and .cse3 .cse0 .cse5) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a11~0)| 0)) (and .cse3 .cse2) (and .cse0 .cse2 .cse5 .cse4))) [2020-10-12 11:16:07,748 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:16:07,748 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:16:07,749 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (or (<= ~a11~0 0) (< 1 ~a11~0))) (.cse3 (= ~a19~0 1)) (.cse0 (<= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a17~0 8)) (.cse5 (<= ~a28~0 8)) (.cse4 (not (= ~a25~0 1)))) (or (not (= |old(~a19~0)| 1)) (and .cse0 (= ~a28~0 9)) (and .cse1 .cse0 .cse2) (not (= 8 |old(~a17~0)|)) (and .cse1 .cse3 .cse0) (not (<= |old(~a25~0)| 0)) (and .cse3 .cse0 .cse4) (and (<= 1 ~a11~0) (<= ~a19~0 0) (<= 7 ~a17~0) (<= 10 ~a28~0) (<= ~a11~0 1) (<= ~a17~0 7) (<= ~a25~0 0) (<= ~a28~0 10)) (not (= ~a21~0 1)) (and .cse3 .cse0 .cse5) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a11~0)| 0)) (and .cse3 .cse2) (and .cse0 .cse2 .cse5 .cse4))) [2020-10-12 11:16:07,749 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-12 11:16:07,749 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-12 11:16:07,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:16:07 BoogieIcfgContainer [2020-10-12 11:16:07,771 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 11:16:07,773 INFO L168 Benchmark]: Toolchain (without parser) took 58596.23 ms. Allocated memory was 140.0 MB in the beginning and 899.7 MB in the end (delta: 759.7 MB). Free memory was 101.6 MB in the beginning and 501.7 MB in the end (delta: -400.2 MB). Peak memory consumption was 747.8 MB. Max. memory is 7.1 GB. [2020-10-12 11:16:07,774 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 11:16:07,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.08 ms. Allocated memory was 140.0 MB in the beginning and 205.5 MB in the end (delta: 65.5 MB). Free memory was 101.4 MB in the beginning and 171.4 MB in the end (delta: -70.0 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. [2020-10-12 11:16:07,775 INFO L168 Benchmark]: Boogie Preprocessor took 101.86 ms. Allocated memory is still 205.5 MB. Free memory was 171.4 MB in the beginning and 166.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-10-12 11:16:07,775 INFO L168 Benchmark]: RCFGBuilder took 1127.55 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 166.4 MB in the beginning and 180.6 MB in the end (delta: -14.1 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2020-10-12 11:16:07,776 INFO L168 Benchmark]: TraceAbstraction took 56659.73 ms. Allocated memory was 237.5 MB in the beginning and 899.7 MB in the end (delta: 662.2 MB). Free memory was 179.1 MB in the beginning and 501.7 MB in the end (delta: -322.6 MB). Peak memory consumption was 727.9 MB. Max. memory is 7.1 GB. [2020-10-12 11:16:07,779 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.08 ms. Allocated memory was 140.0 MB in the beginning and 205.5 MB in the end (delta: 65.5 MB). Free memory was 101.4 MB in the beginning and 171.4 MB in the end (delta: -70.0 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.86 ms. Allocated memory is still 205.5 MB. Free memory was 171.4 MB in the beginning and 166.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1127.55 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 166.4 MB in the beginning and 180.6 MB in the end (delta: -14.1 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 56659.73 ms. Allocated memory was 237.5 MB in the beginning and 899.7 MB in the end (delta: 662.2 MB). Free memory was 179.1 MB in the beginning and 501.7 MB in the end (delta: -322.6 MB). Peak memory consumption was 727.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 502]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((((!(\old(a19) == 1) || (a17 <= \old(a17) && a28 == 9)) || (((a11 <= 0 || 1 < a11) && a17 <= \old(a17)) && a17 == 8)) || !(8 == \old(a17))) || (((a11 <= 0 || 1 < a11) && a19 == 1) && a17 <= \old(a17))) || !(\old(a25) <= 0)) || ((a19 == 1 && a17 <= \old(a17)) && !(a25 == 1))) || (((((((1 <= a11 && a19 <= 0) && 7 <= a17) && 10 <= a28) && a11 <= 1) && a17 <= 7) && a25 <= 0) && a28 <= 10)) || !(a21 == 1)) || ((a19 == 1 && a17 <= \old(a17)) && a28 <= 8)) || !(7 == \old(a28))) || !(\old(a11) <= 0)) || (a19 == 1 && a17 == 8)) || (((a17 <= \old(a17) && a17 == 8) && a28 <= 8) && !(a25 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 53.9s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 22.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 453 SDtfs, 5880 SDslu, 635 SDs, 0 SdLazy, 10454 SolverSat, 1461 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 108 SyntacticMatches, 3 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 10.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2048occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 335 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 110 PreInvPairs, 169 NumberOfFragments, 613 HoareAnnotationTreeSize, 110 FomulaSimplifications, 649673 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4891 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 29.1s InterpolantComputationTime, 2024 NumberOfCodeBlocks, 2024 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2012 ConstructedInterpolants, 0 QuantifiedInterpolants, 3703956 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 806/864 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...