/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=NARROWEST --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/Problem10_label37.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:03:57,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:03:57,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:03:58,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:03:58,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:03:58,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:03:58,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:03:58,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:03:58,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:03:58,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:03:58,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:03:58,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:03:58,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:03:58,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:03:58,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:03:58,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:03:58,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:03:58,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:03:58,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:03:58,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:03:58,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:03:58,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:03:58,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:03:58,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:03:58,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:03:58,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:03:58,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:03:58,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:03:58,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:03:58,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:03:58,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:03:58,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:03:58,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:03:58,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:03:58,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:03:58,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:03:58,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:03:58,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:03:58,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:03:58,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:03:58,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:03:58,085 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 [2020-10-13 08:03:58,120 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:03:58,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:03:58,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:03:58,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:03:58,123 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:03:58,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:03:58,123 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:03:58,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:03:58,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:03:58,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:03:58,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:03:58,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:03:58,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:03:58,125 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:03:58,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:03:58,126 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:03:58,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:03:58,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:03:58,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:03:58,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:03:58,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:03:58,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:03:58,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:03:58,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:03:58,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:03:58,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:03:58,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:03:58,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:03:58,129 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:03:58,129 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:03:58,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:03:58,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:03:58,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:03:58,484 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:03:58,485 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:03:58,485 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label37.c [2020-10-13 08:03:58,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2ddeb0508/bda8732063f1480da188af8ee3baaeb7/FLAG0a2520177 [2020-10-13 08:03:59,020 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:03:59,021 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label37.c [2020-10-13 08:03:59,033 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2ddeb0508/bda8732063f1480da188af8ee3baaeb7/FLAG0a2520177 [2020-10-13 08:03:59,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2ddeb0508/bda8732063f1480da188af8ee3baaeb7 [2020-10-13 08:03:59,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:03:59,341 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:03:59,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:03:59,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:03:59,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:03:59,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:03:59" (1/1) ... [2020-10-13 08:03:59,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be095dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:59, skipping insertion in model container [2020-10-13 08:03:59,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:03:59" (1/1) ... [2020-10-13 08:03:59,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:03:59,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:03:59,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:03:59,978 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:04:00,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:04:00,155 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:04:00,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:00 WrapperNode [2020-10-13 08:04:00,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:04:00,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:04:00,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:04:00,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:04:00,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:00" (1/1) ... [2020-10-13 08:04:00,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:00" (1/1) ... [2020-10-13 08:04:00,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:00" (1/1) ... [2020-10-13 08:04:00,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:00" (1/1) ... [2020-10-13 08:04:00,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:00" (1/1) ... [2020-10-13 08:04:00,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:00" (1/1) ... [2020-10-13 08:04:00,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:00" (1/1) ... [2020-10-13 08:04:00,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:04:00,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:04:00,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:04:00,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:04:00,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:00" (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 [2020-10-13 08:04:00,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:04:00,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:04:00,335 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:04:00,335 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:04:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:04:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:04:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:04:00,337 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:04:00,337 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:04:00,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:04:00,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:04:01,594 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:04:01,594 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:04:01,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:04:01 BoogieIcfgContainer [2020-10-13 08:04:01,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:04:01,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:04:01,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:04:01,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:04:01,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:03:59" (1/3) ... [2020-10-13 08:04:01,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1649d3fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:04:01, skipping insertion in model container [2020-10-13 08:04:01,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:00" (2/3) ... [2020-10-13 08:04:01,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1649d3fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:04:01, skipping insertion in model container [2020-10-13 08:04:01,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:04:01" (3/3) ... [2020-10-13 08:04:01,612 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label37.c [2020-10-13 08:04:01,622 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:04:01,633 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:04:01,647 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:04:01,676 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:04:01,676 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:04:01,676 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:04:01,676 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:04:01,676 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:04:01,677 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:04:01,677 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:04:01,677 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:04:01,698 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-13 08:04:01,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 08:04:01,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:01,708 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] [2020-10-13 08:04:01,708 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:01,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:01,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1887592417, now seen corresponding path program 1 times [2020-10-13 08:04:01,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:01,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1191267367] [2020-10-13 08:04:01,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:01,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:02,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:02,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-13 08:04:02,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:02,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 416 [2020-10-13 08:04:02,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:02,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:04:02,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:04:02,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-13 08:04:02,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:04:02,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:02,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:02,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:02,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:02,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:02,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 08:04:02,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:02,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:02,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:02,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:04:02,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:02,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:02,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1191267367] [2020-10-13 08:04:02,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:04:02,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:04:02,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631871586] [2020-10-13 08:04:02,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:04:02,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:02,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:04:02,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:04:02,506 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-13 08:04:03,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:03,828 INFO L93 Difference]: Finished difference Result 581 states and 1007 transitions. [2020-10-13 08:04:03,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:03,830 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-10-13 08:04:03,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:03,846 INFO L225 Difference]: With dead ends: 581 [2020-10-13 08:04:03,846 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:04:03,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:03,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:04:03,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:04:03,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:04:03,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 423 transitions. [2020-10-13 08:04:03,938 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 423 transitions. Word has length 60 [2020-10-13 08:04:03,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:03,940 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 423 transitions. [2020-10-13 08:04:03,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:04:03,940 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 423 transitions. [2020-10-13 08:04:03,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-13 08:04:03,956 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:03,957 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:03,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:04:03,957 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:03,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:03,958 INFO L82 PathProgramCache]: Analyzing trace with hash 157772446, now seen corresponding path program 1 times [2020-10-13 08:04:03,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:03,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2086530447] [2020-10-13 08:04:03,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:04,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:04,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:04,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:04,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:04,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 08:04:04,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:04:04,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 897 [2020-10-13 08:04:04,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:04,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:04,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 08:04:04,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-13 08:04:04,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:04,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:04,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:04,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:04,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:04,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:04,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:04:04,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:04,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:04,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:04,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:04,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:05,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:05,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:05,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:05,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:04:05,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:05,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 08:04:05,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:05,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:05,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:05,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 08:04:05,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:05,114 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:05,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2086530447] [2020-10-13 08:04:05,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:05,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:05,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656541556] [2020-10-13 08:04:05,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:05,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:05,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:05,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:05,119 INFO L87 Difference]: Start difference. First operand 296 states and 423 transitions. Second operand 5 states. [2020-10-13 08:04:06,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:06,189 INFO L93 Difference]: Finished difference Result 882 states and 1288 transitions. [2020-10-13 08:04:06,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:06,189 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-10-13 08:04:06,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:06,196 INFO L225 Difference]: With dead ends: 882 [2020-10-13 08:04:06,196 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:04:06,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:04:06,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:04:06,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2020-10-13 08:04:06,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 08:04:06,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 790 transitions. [2020-10-13 08:04:06,246 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 790 transitions. Word has length 132 [2020-10-13 08:04:06,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:06,247 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 790 transitions. [2020-10-13 08:04:06,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:06,247 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 790 transitions. [2020-10-13 08:04:06,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-13 08:04:06,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:06,252 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:06,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:04:06,252 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:06,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:06,253 INFO L82 PathProgramCache]: Analyzing trace with hash 2101126686, now seen corresponding path program 1 times [2020-10-13 08:04:06,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:06,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1689397289] [2020-10-13 08:04:06,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:06,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:06,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:07,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:07,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:07,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-13 08:04:07,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:04:07,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1629 [2020-10-13 08:04:07,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:07,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:07,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-10-13 08:04:07,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 08:04:07,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:08,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:08,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:08,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:08,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:08,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:08,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:04:08,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:08,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:08,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:08,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:08,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:08,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:08,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:08,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:08,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 08:04:08,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:08,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-13 08:04:08,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:08,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:08,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:08,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-13 08:04:08,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:08,436 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:08,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1689397289] [2020-10-13 08:04:08,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:08,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:08,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220808499] [2020-10-13 08:04:08,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:08,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:08,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:08,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:08,439 INFO L87 Difference]: Start difference. First operand 586 states and 790 transitions. Second operand 5 states. [2020-10-13 08:04:09,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:09,219 INFO L93 Difference]: Finished difference Result 1193 states and 1620 transitions. [2020-10-13 08:04:09,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:09,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 196 [2020-10-13 08:04:09,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:09,225 INFO L225 Difference]: With dead ends: 1193 [2020-10-13 08:04:09,225 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:04:09,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:04:09,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:04:09,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2020-10-13 08:04:09,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 08:04:09,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 786 transitions. [2020-10-13 08:04:09,252 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 786 transitions. Word has length 196 [2020-10-13 08:04:09,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:09,252 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 786 transitions. [2020-10-13 08:04:09,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:09,253 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 786 transitions. [2020-10-13 08:04:09,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-13 08:04:09,256 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:09,256 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:09,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:04:09,257 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:09,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:09,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1132461601, now seen corresponding path program 1 times [2020-10-13 08:04:09,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:09,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480190420] [2020-10-13 08:04:09,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:09,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:09,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:10,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:12,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:13,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:13,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-13 08:04:13,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:04:13,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4605 [2020-10-13 08:04:13,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:13,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:04:13,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-13 08:04:13,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 08:04:13,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:14,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:14,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:14,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:14,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:14,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:14,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:04:14,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:14,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:14,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:14,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:14,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:14,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:14,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:14,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:14,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 08:04:14,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:14,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-13 08:04:14,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:14,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:14,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:14,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-13 08:04:14,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:14,275 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:14,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480190420] [2020-10-13 08:04:14,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:14,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:04:14,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124171778] [2020-10-13 08:04:14,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:04:14,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:14,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:04:14,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:04:14,278 INFO L87 Difference]: Start difference. First operand 586 states and 786 transitions. Second operand 8 states. [2020-10-13 08:04:15,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:15,753 INFO L93 Difference]: Finished difference Result 1205 states and 1630 transitions. [2020-10-13 08:04:15,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:04:15,754 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 201 [2020-10-13 08:04:15,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:15,759 INFO L225 Difference]: With dead ends: 1205 [2020-10-13 08:04:15,760 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:04:15,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:04:15,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:04:15,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2020-10-13 08:04:15,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 08:04:15,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 777 transitions. [2020-10-13 08:04:15,791 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 777 transitions. Word has length 201 [2020-10-13 08:04:15,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:15,792 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 777 transitions. [2020-10-13 08:04:15,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:04:15,792 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 777 transitions. [2020-10-13 08:04:15,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-13 08:04:15,798 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:15,798 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:15,799 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:04:15,799 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:15,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:15,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1466978762, now seen corresponding path program 1 times [2020-10-13 08:04:15,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:15,800 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [852710668] [2020-10-13 08:04:15,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:15,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:15,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:16,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:17,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:17,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:19,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:19,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-13 08:04:19,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:04:19,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3185 [2020-10-13 08:04:19,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:19,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:19,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-13 08:04:19,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 08:04:19,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:19,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:19,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:19,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:19,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:19,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:19,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 08:04:19,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:19,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:19,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:19,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:19,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:19,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:04:19,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:19,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 08:04:19,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:19,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:19,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:04:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:19,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:19,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:19,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:04:19,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:19,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 08:04:19,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:19,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:19,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:19,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:04:19,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:19,314 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:04:19,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [852710668] [2020-10-13 08:04:19,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:19,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:19,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497528423] [2020-10-13 08:04:19,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:19,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:19,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:19,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:19,318 INFO L87 Difference]: Start difference. First operand 586 states and 777 transitions. Second operand 5 states. [2020-10-13 08:04:19,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:20,000 INFO L93 Difference]: Finished difference Result 1181 states and 1578 transitions. [2020-10-13 08:04:20,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:20,002 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 205 [2020-10-13 08:04:20,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:20,006 INFO L225 Difference]: With dead ends: 1181 [2020-10-13 08:04:20,006 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:04:20,008 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 [2020-10-13 08:04:20,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:04:20,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2020-10-13 08:04:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 08:04:20,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 775 transitions. [2020-10-13 08:04:20,032 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 775 transitions. Word has length 205 [2020-10-13 08:04:20,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:20,033 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 775 transitions. [2020-10-13 08:04:20,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:20,033 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 775 transitions. [2020-10-13 08:04:20,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-13 08:04:20,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:20,037 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:20,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:04:20,038 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:20,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:20,038 INFO L82 PathProgramCache]: Analyzing trace with hash 582787757, now seen corresponding path program 1 times [2020-10-13 08:04:20,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:20,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [29410205] [2020-10-13 08:04:20,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:20,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:20,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:20,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:21,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:21,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-13 08:04:21,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:04:21,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1009 [2020-10-13 08:04:21,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:21,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:21,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-13 08:04:21,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 08:04:21,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:21,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:21,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:21,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:21,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:21,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:21,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:04:21,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:21,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:21,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:21,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:21,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:21,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:21,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:21,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:21,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:04:21,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:21,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:04:21,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:21,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:21,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:21,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:21,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:21,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 08:04:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:21,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:21,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:21,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 08:04:21,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:21,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-13 08:04:21,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:21,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:21,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:21,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 08:04:21,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:21,383 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:04:21,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [29410205] [2020-10-13 08:04:21,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:21,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:21,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879802816] [2020-10-13 08:04:21,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:21,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:21,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:21,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:21,385 INFO L87 Difference]: Start difference. First operand 586 states and 775 transitions. Second operand 5 states. [2020-10-13 08:04:22,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:22,226 INFO L93 Difference]: Finished difference Result 1189 states and 1582 transitions. [2020-10-13 08:04:22,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:22,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 228 [2020-10-13 08:04:22,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:22,230 INFO L225 Difference]: With dead ends: 1189 [2020-10-13 08:04:22,231 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:04:22,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:04:22,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:04:22,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2020-10-13 08:04:22,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 08:04:22,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 773 transitions. [2020-10-13 08:04:22,256 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 773 transitions. Word has length 228 [2020-10-13 08:04:22,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:22,257 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 773 transitions. [2020-10-13 08:04:22,257 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:22,257 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 773 transitions. [2020-10-13 08:04:22,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-10-13 08:04:22,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:22,261 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 08:04:22,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:04:22,261 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:22,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:22,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1939907222, now seen corresponding path program 1 times [2020-10-13 08:04:22,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:22,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2097224434] [2020-10-13 08:04:22,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:22,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:22,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:22,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:23,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:23,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-10-13 08:04:23,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:04:23,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1267 [2020-10-13 08:04:23,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:23,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:23,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-10-13 08:04:23,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 08:04:23,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:23,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:23,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:23,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:23,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:23,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:23,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:04:23,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:23,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:23,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:23,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:23,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:23,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:23,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:23,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:23,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:04:23,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:23,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 08:04:23,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:23,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:23,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:23,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 08:04:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:23,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:23,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:23,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 08:04:23,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:23,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-13 08:04:23,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-13 08:04:23,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:23,917 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:04:23,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2097224434] [2020-10-13 08:04:23,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:23,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:23,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535268878] [2020-10-13 08:04:23,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:23,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:23,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:23,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:23,919 INFO L87 Difference]: Start difference. First operand 586 states and 773 transitions. Second operand 5 states. [2020-10-13 08:04:24,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:24,686 INFO L93 Difference]: Finished difference Result 1186 states and 1575 transitions. [2020-10-13 08:04:24,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:24,687 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 249 [2020-10-13 08:04:24,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:24,691 INFO L225 Difference]: With dead ends: 1186 [2020-10-13 08:04:24,691 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:04:24,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:04:24,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:04:24,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2020-10-13 08:04:24,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 08:04:24,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 771 transitions. [2020-10-13 08:04:24,708 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 771 transitions. Word has length 249 [2020-10-13 08:04:24,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:24,708 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 771 transitions. [2020-10-13 08:04:24,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:24,709 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 771 transitions. [2020-10-13 08:04:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-10-13 08:04:24,712 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:24,713 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:24,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:04:24,713 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:24,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:24,714 INFO L82 PathProgramCache]: Analyzing trace with hash 495395005, now seen corresponding path program 1 times [2020-10-13 08:04:24,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:24,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [895523288] [2020-10-13 08:04:24,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:24,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:24,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:24,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:26,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:27,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:29,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:29,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-13 08:04:29,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:04:29,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 08:04:29,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:29,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:29,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 204 [2020-10-13 08:04:29,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:04:29,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:04:29,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:29,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:29,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:29,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:29,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:29,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:04:29,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:29,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:29,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:29,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:29,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:29,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:29,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:29,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:29,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:04:29,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:29,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 08:04:29,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:29,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:29,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:29,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:29,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:29,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:04:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:29,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:30,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:30,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 08:04:30,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:30,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-13 08:04:30,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-13 08:04:30,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:04:30,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [895523288] [2020-10-13 08:04:30,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:30,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:30,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688722054] [2020-10-13 08:04:30,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:30,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:30,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:30,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:30,215 INFO L87 Difference]: Start difference. First operand 586 states and 771 transitions. Second operand 5 states. [2020-10-13 08:04:30,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:30,953 INFO L93 Difference]: Finished difference Result 1185 states and 1570 transitions. [2020-10-13 08:04:30,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:30,954 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 252 [2020-10-13 08:04:30,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:30,959 INFO L225 Difference]: With dead ends: 1185 [2020-10-13 08:04:30,960 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:04:30,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:04:30,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:04:30,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2020-10-13 08:04:30,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 08:04:30,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 769 transitions. [2020-10-13 08:04:30,983 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 769 transitions. Word has length 252 [2020-10-13 08:04:30,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:30,984 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 769 transitions. [2020-10-13 08:04:30,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:30,984 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 769 transitions. [2020-10-13 08:04:30,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-10-13 08:04:30,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:30,987 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 08:04:30,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:04:30,987 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:30,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:30,987 INFO L82 PathProgramCache]: Analyzing trace with hash -380340446, now seen corresponding path program 1 times [2020-10-13 08:04:30,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:30,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [645383930] [2020-10-13 08:04:30,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:31,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:31,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:31,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:31,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:33,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:34,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:34,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-13 08:04:34,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:04:34,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3895 [2020-10-13 08:04:34,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:34,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:34,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 209 [2020-10-13 08:04:34,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:04:34,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:34,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:34,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:34,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:34,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:34,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:34,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:04:34,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:34,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:34,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:34,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:34,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:35,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:35,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:35,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:35,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:04:35,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:35,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 08:04:35,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:35,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:35,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:35,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:35,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:35,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:04:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:35,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:35,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:35,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-13 08:04:35,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:35,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 08:04:35,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:35,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:35,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:35,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-13 08:04:35,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:04:35,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [645383930] [2020-10-13 08:04:35,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:35,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:35,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063942213] [2020-10-13 08:04:35,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:35,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:35,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:35,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:35,182 INFO L87 Difference]: Start difference. First operand 586 states and 769 transitions. Second operand 5 states. [2020-10-13 08:04:35,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:35,937 INFO L93 Difference]: Finished difference Result 1184 states and 1564 transitions. [2020-10-13 08:04:35,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:35,938 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 257 [2020-10-13 08:04:35,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:35,944 INFO L225 Difference]: With dead ends: 1184 [2020-10-13 08:04:35,944 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:04:35,947 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:04:35,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:04:35,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2020-10-13 08:04:35,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 08:04:35,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 766 transitions. [2020-10-13 08:04:35,966 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 766 transitions. Word has length 257 [2020-10-13 08:04:35,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:35,966 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 766 transitions. [2020-10-13 08:04:35,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:35,967 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 766 transitions. [2020-10-13 08:04:35,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-10-13 08:04:35,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:35,969 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 08:04:35,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:04:35,969 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:35,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:35,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1204702443, now seen corresponding path program 1 times [2020-10-13 08:04:35,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:35,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1503786123] [2020-10-13 08:04:35,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:36,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:36,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:36,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:36,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:37,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:37,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 284 [2020-10-13 08:04:37,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:04:37,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1928 [2020-10-13 08:04:37,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:37,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:37,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 224 [2020-10-13 08:04:37,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 08:04:37,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:38,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:38,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:38,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:38,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:38,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:38,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:04:38,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:38,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:38,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:38,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:38,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:38,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:04:38,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:38,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 08:04:38,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:38,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:38,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:38,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:38,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:38,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 08:04:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:38,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:38,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:38,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 08:04:38,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:38,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-13 08:04:38,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:38,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:38,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:38,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-13 08:04:38,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:38,208 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:04:38,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1503786123] [2020-10-13 08:04:38,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:38,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:38,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057452938] [2020-10-13 08:04:38,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:38,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:38,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:38,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:38,210 INFO L87 Difference]: Start difference. First operand 586 states and 766 transitions. Second operand 5 states. [2020-10-13 08:04:38,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:38,905 INFO L93 Difference]: Finished difference Result 1036 states and 1337 transitions. [2020-10-13 08:04:38,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:38,906 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 272 [2020-10-13 08:04:38,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:38,906 INFO L225 Difference]: With dead ends: 1036 [2020-10-13 08:04:38,906 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:04:38,908 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:04:38,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:04:38,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:04:38,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:04:38,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:04:38,909 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 272 [2020-10-13 08:04:38,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:38,910 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:04:38,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:38,910 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:04:38,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:04:38,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:04:38,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:04:39,128 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 64 [2020-10-13 08:04:39,262 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 64 [2020-10-13 08:04:39,833 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 105 [2020-10-13 08:04:40,067 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2020-10-13 08:04:40,265 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2020-10-13 08:04:40,270 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:04:40,270 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-13 08:04:40,270 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:04:40,271 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-13 08:04:40,271 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,271 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,271 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,271 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,271 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,271 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,271 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-13 08:04:40,271 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-13 08:04:40,272 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:04:40,272 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:04:40,272 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:04:40,272 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:04:40,272 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:04:40,272 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:04:40,272 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-13 08:04:40,272 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-13 08:04:40,272 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-13 08:04:40,273 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,273 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,273 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,275 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,276 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,276 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-13 08:04:40,276 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-13 08:04:40,276 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-13 08:04:40,276 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-13 08:04:40,276 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:04:40,276 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:04:40,276 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:04:40,277 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:04:40,277 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:04:40,277 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-13 08:04:40,277 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-13 08:04:40,277 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-13 08:04:40,277 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-13 08:04:40,278 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2020-10-13 08:04:40,278 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-13 08:04:40,278 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,278 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,278 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,278 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,278 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,278 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-13 08:04:40,280 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:04:40,280 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:04:40,280 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:04:40,280 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:04:40,280 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:04:40,280 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-13 08:04:40,280 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-13 08:04:40,281 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-13 08:04:40,281 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-13 08:04:40,281 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,282 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,282 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,284 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,284 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,284 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-13 08:04:40,284 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-13 08:04:40,284 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-13 08:04:40,284 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:04:40,285 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:04:40,285 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:04:40,285 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:04:40,285 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:04:40,285 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-13 08:04:40,285 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-13 08:04:40,285 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-13 08:04:40,285 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-13 08:04:40,286 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-13 08:04:40,286 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,286 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,286 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,286 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,286 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,286 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:04:40,286 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:04:40,286 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:04:40,287 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:04:40,287 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:04:40,287 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-13 08:04:40,287 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-13 08:04:40,287 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-13 08:04:40,287 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-13 08:04:40,287 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,287 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,287 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,287 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,288 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,288 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,288 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,288 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-13 08:04:40,288 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-13 08:04:40,288 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-13 08:04:40,288 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-13 08:04:40,288 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:04:40,288 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:04:40,289 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:04:40,289 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:04:40,289 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:04:40,289 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-13 08:04:40,289 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-13 08:04:40,290 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-13 08:04:40,291 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-13 08:04:40,292 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,292 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,292 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,292 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,292 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:04:40,292 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,292 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,292 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-13 08:04:40,293 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-13 08:04:40,293 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-13 08:04:40,293 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:04:40,293 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:04:40,293 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:04:40,293 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:04:40,294 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:04:40,294 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:04:40,295 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-13 08:04:40,295 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-13 08:04:40,295 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-13 08:04:40,295 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-13 08:04:40,295 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,295 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,295 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,295 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,295 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,296 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,296 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-13 08:04:40,296 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-13 08:04:40,296 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-13 08:04:40,296 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:04:40,296 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:04:40,296 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:04:40,296 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:04:40,296 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:04:40,296 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:04:40,297 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-13 08:04:40,297 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-13 08:04:40,297 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse6 (= ~a1~0 |old(~a1~0)|)) (.cse7 (= ~a10~0 |old(~a10~0)|))) (let ((.cse3 (not (= 8 |old(~a19~0)|))) (.cse8 (not (<= 0 (+ |old(~a1~0)| 12)))) (.cse5 (not (= 4 |old(~a10~0)|))) (.cse0 (and .cse6 (= ~a19~0 |old(~a19~0)|) .cse7)) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= 2 |old(~a10~0)|))) (.cse9 (not (= 7 |old(~a19~0)|))) (.cse4 (not (= ~a12~0 0)))) (and (or (not (<= 592098 |old(~a1~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse4) (or (not (<= (+ |old(~a1~0)| 437977) 0)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~a19~0)| 8)) (not (<= |old(~a1~0)| 36)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a10~0)| 2)) .cse1 (and (<= 8 ~a19~0) (<= ~a19~0 8) .cse6 .cse7) .cse8 .cse4) (or (not (= 9 |old(~a19~0)|)) .cse0) (or .cse0 (not (<= |old(~a10~0)| 1))) (or .cse0 (not (<= |old(~a1~0)| 5)) .cse1 .cse2 (not (<= 0 |old(~a1~0)|)) .cse9 .cse4) (or (not (<= 6 |old(~a19~0)|)) (not (<= 3 |old(~a10~0)|)) .cse1 (not (<= |old(~a1~0)| 33)) (not (<= |old(~a19~0)| 6)) (and (<= 6 ~a19~0) .cse6 (<= ~a19~0 6) .cse7) .cse8 .cse4 (not (<= |old(~a10~0)| 3))) (or (not (= 6 |old(~a19~0)|)) (not (<= (+ |old(~a1~0)| 333899) 0)) .cse1 (and .cse6 (= ~a19~0 6) .cse7) .cse5 .cse4) (or (not (<= 117 |old(~a1~0)|)) (not (<= |old(~a1~0)| 206)) .cse0 .cse1 .cse2 .cse9 .cse4)))) [2020-10-13 08:04:40,297 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-13 08:04:40,297 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-13 08:04:40,297 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-13 08:04:40,298 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,298 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,298 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,298 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,298 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,298 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,298 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-13 08:04:40,298 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:04:40,298 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:04:40,299 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:04:40,299 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:04:40,299 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:04:40,299 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:04:40,299 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-13 08:04:40,299 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-13 08:04:40,299 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-13 08:04:40,299 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-13 08:04:40,299 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-13 08:04:40,299 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-13 08:04:40,300 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,300 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,300 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,300 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,300 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,300 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,300 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-13 08:04:40,300 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-13 08:04:40,300 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-13 08:04:40,300 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:04:40,301 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:04:40,301 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:04:40,301 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:04:40,301 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:04:40,301 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:04:40,301 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-13 08:04:40,301 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-13 08:04:40,301 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-13 08:04:40,301 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,301 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,301 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,302 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,302 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,302 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:40,302 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-13 08:04:40,302 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-13 08:04:40,302 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-13 08:04:40,302 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:04:40,302 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:04:40,302 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:04:40,302 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:04:40,303 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:04:40,303 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:04:40,303 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-13 08:04:40,303 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-13 08:04:40,303 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-13 08:04:40,303 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:04:40,303 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (<= ~a10~0 1)) [2020-10-13 08:04:40,303 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:04:40,303 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:04:40,303 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a10~0)| 1))) [2020-10-13 08:04:40,304 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:04:40,304 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= 0 (+ ~a1~0 12))) (.cse5 (= 7 ~a19~0)) (.cse4 (= ~a10~0 2)) (.cse3 (= ~a19~0 8)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0)) (.cse6 (= ~a10~0 4))) (or (and .cse0 (<= ~a1~0 36) (<= 8 ~a19~0) .cse1 (<= ~a10~0 2) .cse2 (<= ~a19~0 8)) (and .cse3 .cse1 .cse4 .cse2 (<= (+ ~a1~0 437977) 0)) (and .cse5 .cse1 .cse4 .cse2 (<= 117 ~a1~0) (<= ~a1~0 206)) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (and .cse0 (<= 3 ~a10~0) (<= 6 ~a19~0) .cse1 (<= ~a1~0 33) .cse2 (<= ~a19~0 6) (<= ~a10~0 3)) (<= ~a10~0 1) (and .cse3 .cse1 .cse4 .cse2 (<= 592098 ~a1~0)) (and (<= (+ ~a1~0 333899) 0) .cse1 .cse2 (= ~a19~0 6) .cse6) (and .cse5 .cse1 (<= 0 ~a1~0) .cse4 .cse2 (<= ~a1~0 5)) (not (<= |old(~a10~0)| 1)) (and .cse3 .cse1 .cse2 .cse6))) [2020-10-13 08:04:40,304 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-13 08:04:40,304 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-13 08:04:40,304 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= 0 (+ ~a1~0 12))) (.cse5 (= 7 ~a19~0)) (.cse4 (= ~a10~0 2)) (.cse3 (= ~a19~0 8)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0)) (.cse6 (= ~a10~0 4))) (or (and .cse0 (<= ~a1~0 36) (<= 8 ~a19~0) .cse1 (<= ~a10~0 2) .cse2 (<= ~a19~0 8)) (and .cse3 .cse1 .cse4 .cse2 (<= (+ ~a1~0 437977) 0)) (and .cse5 .cse1 .cse4 .cse2 (<= 117 ~a1~0) (<= ~a1~0 206)) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (and .cse0 (<= 3 ~a10~0) (<= 6 ~a19~0) .cse1 (<= ~a1~0 33) .cse2 (<= ~a19~0 6) (<= ~a10~0 3)) (<= ~a10~0 1) (and .cse3 .cse1 .cse4 .cse2 (<= 592098 ~a1~0)) (and (<= (+ ~a1~0 333899) 0) .cse1 .cse2 (= ~a19~0 6) .cse6) (and .cse5 .cse1 (<= 0 ~a1~0) .cse4 .cse2 (<= ~a1~0 5)) (not (<= |old(~a10~0)| 1)) (and .cse3 .cse1 .cse2 .cse6))) [2020-10-13 08:04:40,304 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:04:40,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:04:40 BoogieIcfgContainer [2020-10-13 08:04:40,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:04:40,352 INFO L168 Benchmark]: Toolchain (without parser) took 41011.44 ms. Allocated memory was 142.1 MB in the beginning and 874.5 MB in the end (delta: 732.4 MB). Free memory was 103.3 MB in the beginning and 325.5 MB in the end (delta: -222.2 MB). Peak memory consumption was 510.2 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:40,353 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 08:04:40,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 811.85 ms. Allocated memory was 142.1 MB in the beginning and 206.0 MB in the end (delta: 64.0 MB). Free memory was 103.1 MB in the beginning and 171.8 MB in the end (delta: -68.7 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:40,359 INFO L168 Benchmark]: Boogie Preprocessor took 93.25 ms. Allocated memory is still 206.0 MB. Free memory was 171.8 MB in the beginning and 167.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:40,360 INFO L168 Benchmark]: RCFGBuilder took 1353.26 ms. Allocated memory was 206.0 MB in the beginning and 235.9 MB in the end (delta: 29.9 MB). Free memory was 167.0 MB in the beginning and 173.5 MB in the end (delta: -6.5 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:40,362 INFO L168 Benchmark]: TraceAbstraction took 38744.98 ms. Allocated memory was 235.9 MB in the beginning and 874.5 MB in the end (delta: 638.6 MB). Free memory was 172.2 MB in the beginning and 325.5 MB in the end (delta: -153.3 MB). Peak memory consumption was 485.3 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:40,370 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 811.85 ms. Allocated memory was 142.1 MB in the beginning and 206.0 MB in the end (delta: 64.0 MB). Free memory was 103.1 MB in the beginning and 171.8 MB in the end (delta: -68.7 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.25 ms. Allocated memory is still 206.0 MB. Free memory was 171.8 MB in the beginning and 167.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1353.26 ms. Allocated memory was 206.0 MB in the beginning and 235.9 MB in the end (delta: 29.9 MB). Free memory was 167.0 MB in the beginning and 173.5 MB in the end (delta: -6.5 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38744.98 ms. Allocated memory was 235.9 MB in the beginning and 874.5 MB in the end (delta: 638.6 MB). Free memory was 172.2 MB in the beginning and 325.5 MB in the end (delta: -153.3 MB). Peak memory consumption was 485.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((((((((((0 <= a1 + 12 && a1 <= 36) && 8 <= a19) && 14 == a4) && a10 <= 2) && a12 == 0) && a19 <= 8) || ((((a19 == 8 && 14 == a4) && a10 == 2) && a12 == 0) && a1 + 437977 <= 0)) || (((((7 == a19 && 14 == a4) && a10 == 2) && a12 == 0) && 117 <= a1) && a1 <= 206)) || !(9 == \old(a19))) || a19 == 9) || (((((((0 <= a1 + 12 && 3 <= a10) && 6 <= a19) && 14 == a4) && a1 <= 33) && a12 == 0) && a19 <= 6) && a10 <= 3)) || a10 <= 1) || ((((a19 == 8 && 14 == a4) && a10 == 2) && a12 == 0) && 592098 <= a1)) || ((((a1 + 333899 <= 0 && 14 == a4) && a12 == 0) && a19 == 6) && a10 == 4)) || (((((7 == a19 && 14 == a4) && 0 <= a1) && a10 == 2) && a12 == 0) && a1 <= 5)) || !(\old(a10) <= 1)) || (((a19 == 8 && 14 == a4) && a12 == 0) && a10 == 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 243 SDtfs, 2208 SDslu, 205 SDs, 0 SdLazy, 5985 SolverSat, 308 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 76 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=586occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 54 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 54 PreInvPairs, 80 NumberOfFragments, 713 HoareAnnotationTreeSize, 54 FomulaSimplifications, 74796 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 518 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 26.4s InterpolantComputationTime, 2052 NumberOfCodeBlocks, 2052 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2042 ConstructedInterpolants, 0 QuantifiedInterpolants, 1082470 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 1206/1221 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...