/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_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:03:29,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:03:29,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:03:29,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:03:29,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:03:29,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:03:29,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:03:29,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:03:29,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:03:29,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:03:29,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:03:29,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:03:29,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:03:29,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:03:29,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:03:29,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:03:29,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:03:29,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:03:29,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:03:29,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:03:29,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:03:29,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:03:29,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:03:29,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:03:29,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:03:29,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:03:29,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:03:29,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:03:29,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:03:29,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:03:29,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:03:29,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:03:29,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:03:29,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:03:29,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:03:29,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:03:29,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:03:29,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:03:29,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:03:29,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:03:29,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:03:29,922 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 08:03:29,966 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:03:29,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:03:29,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:03:29,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:03:29,968 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:03:29,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:03:29,969 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:03:29,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:03:29,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:03:29,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:03:29,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:03:29,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:03:29,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:03:29,972 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:03:29,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:03:29,972 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:03:29,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:03:29,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:03:29,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:03:29,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:03:29,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:03:29,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:03:29,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:03:29,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:03:29,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:03:29,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:03:29,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:03:29,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:03:29,975 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:03:29,975 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 08:03:30,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:03:30,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:03:30,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:03:30,286 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:03:30,287 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:03:30,287 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label30.c [2020-10-13 08:03:30,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2f96fdc4/c97d77495f994cadb8e99bb43e7a8a31/FLAG02bda6421 [2020-10-13 08:03:30,913 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:03:30,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label30.c [2020-10-13 08:03:30,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2f96fdc4/c97d77495f994cadb8e99bb43e7a8a31/FLAG02bda6421 [2020-10-13 08:03:31,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2f96fdc4/c97d77495f994cadb8e99bb43e7a8a31 [2020-10-13 08:03:31,180 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:03:31,182 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:03:31,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:03:31,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:03:31,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:03:31,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:03:31" (1/1) ... [2020-10-13 08:03:31,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@445b6256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:31, skipping insertion in model container [2020-10-13 08:03:31,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:03:31" (1/1) ... [2020-10-13 08:03:31,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:03:31,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:03:31,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:03:31,698 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:03:31,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:03:31,928 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:03:31,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:31 WrapperNode [2020-10-13 08:03:31,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:03:31,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:03:31,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:03:31,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:03:31,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:31" (1/1) ... [2020-10-13 08:03:31,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:31" (1/1) ... [2020-10-13 08:03:31,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:31" (1/1) ... [2020-10-13 08:03:31,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:31" (1/1) ... [2020-10-13 08:03:32,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:31" (1/1) ... [2020-10-13 08:03:32,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:31" (1/1) ... [2020-10-13 08:03:32,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:31" (1/1) ... [2020-10-13 08:03:32,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:03:32,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:03:32,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:03:32,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:03:32,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:03:32,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:03:32,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:03:32,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:03:32,104 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:03:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:03:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:03:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:03:32,107 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:03:32,107 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:03:32,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:03:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:03:33,362 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:03:33,362 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:03:33,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:03:33 BoogieIcfgContainer [2020-10-13 08:03:33,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:03:33,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:03:33,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:03:33,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:03:33,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:03:31" (1/3) ... [2020-10-13 08:03:33,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a8f4d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:03:33, skipping insertion in model container [2020-10-13 08:03:33,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:31" (2/3) ... [2020-10-13 08:03:33,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a8f4d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:03:33, skipping insertion in model container [2020-10-13 08:03:33,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:03:33" (3/3) ... [2020-10-13 08:03:33,378 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label30.c [2020-10-13 08:03:33,389 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:03:33,398 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:03:33,413 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:03:33,439 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:03:33,440 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:03:33,440 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:03:33,440 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:03:33,440 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:03:33,441 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:03:33,441 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:03:33,441 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:03:33,465 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-13 08:03:33,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-13 08:03:33,473 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:33,474 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] [2020-10-13 08:03:33,475 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:33,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:33,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1422134543, now seen corresponding path program 1 times [2020-10-13 08:03:33,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:33,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [484456556] [2020-10-13 08:03:33,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:33,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:34,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:34,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-13 08:03:34,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:34,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-10-13 08:03:34,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:34,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:03:34,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:03:34,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 08:03:34,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:03:34,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:34,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:34,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:34,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:34,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:34,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 08:03:34,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:34,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:34,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:34,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:03:34,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:34,139 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 08:03:34,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [484456556] [2020-10-13 08:03:34,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:03:34,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:03:34,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532408262] [2020-10-13 08:03:34,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:03:34,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:34,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:03:34,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:03:34,169 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-13 08:03:35,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:35,576 INFO L93 Difference]: Finished difference Result 581 states and 1007 transitions. [2020-10-13 08:03:35,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:35,578 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2020-10-13 08:03:35,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:35,594 INFO L225 Difference]: With dead ends: 581 [2020-10-13 08:03:35,595 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:03:35,602 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 08:03:35,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:03:35,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:03:35,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:03:35,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2020-10-13 08:03:35,680 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 40 [2020-10-13 08:03:35,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:35,681 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2020-10-13 08:03:35,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:03:35,681 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2020-10-13 08:03:35,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-13 08:03:35,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:35,694 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:35,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:03:35,695 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:35,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:35,695 INFO L82 PathProgramCache]: Analyzing trace with hash -648725991, now seen corresponding path program 1 times [2020-10-13 08:03:35,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:35,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [654284673] [2020-10-13 08:03:35,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:35,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:35,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:36,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:37,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:37,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-13 08:03:37,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:37,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1283 [2020-10-13 08:03:37,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 08:03:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 08:03:37,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:37,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:37,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:37,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:37,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:37,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:37,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:03:37,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:37,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:37,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:37,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:37,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:37,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:37,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:37,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:37,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:03:37,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:37,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-13 08:03:37,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:37,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:37,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:37,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:03:37,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:37,289 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:37,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [654284673] [2020-10-13 08:03:37,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:37,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:37,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070743728] [2020-10-13 08:03:37,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:37,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:37,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:37,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:37,294 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 5 states. [2020-10-13 08:03:38,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:38,344 INFO L93 Difference]: Finished difference Result 601 states and 914 transitions. [2020-10-13 08:03:38,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:38,345 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2020-10-13 08:03:38,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:38,349 INFO L225 Difference]: With dead ends: 601 [2020-10-13 08:03:38,349 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:03:38,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:03:38,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:03:38,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:03:38,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:03:38,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 446 transitions. [2020-10-13 08:03:38,378 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 446 transitions. Word has length 113 [2020-10-13 08:03:38,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:38,379 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 446 transitions. [2020-10-13 08:03:38,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:38,379 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 446 transitions. [2020-10-13 08:03:38,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-13 08:03:38,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:38,384 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:38,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:03:38,384 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:38,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:38,385 INFO L82 PathProgramCache]: Analyzing trace with hash -958443539, now seen corresponding path program 1 times [2020-10-13 08:03:38,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:38,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2130124302] [2020-10-13 08:03:38,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:38,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:38,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:38,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:38,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 08:03:38,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:03:38,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 357 [2020-10-13 08:03:38,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:38,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:38,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-13 08:03:38,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 08:03:38,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:38,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:38,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:38,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:38,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:38,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:38,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:03:38,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:38,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:38,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:38,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:38,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:38,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:38,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:38,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:38,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 08:03:38,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:38,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-13 08:03:38,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:03:38,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:39,101 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:39,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2130124302] [2020-10-13 08:03:39,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:39,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:39,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784064106] [2020-10-13 08:03:39,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:39,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:39,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:39,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:39,106 INFO L87 Difference]: Start difference. First operand 296 states and 446 transitions. Second operand 5 states. [2020-10-13 08:03:39,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:39,943 INFO L93 Difference]: Finished difference Result 615 states and 924 transitions. [2020-10-13 08:03:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:39,944 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2020-10-13 08:03:39,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:39,947 INFO L225 Difference]: With dead ends: 615 [2020-10-13 08:03:39,948 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:03:39,949 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 08:03:39,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:03:39,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:03:39,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:03:39,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 444 transitions. [2020-10-13 08:03:39,968 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 444 transitions. Word has length 119 [2020-10-13 08:03:39,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:39,969 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 444 transitions. [2020-10-13 08:03:39,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:39,969 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 444 transitions. [2020-10-13 08:03:39,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 08:03:39,971 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:39,972 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:39,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:03:39,972 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:39,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:39,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1223819674, now seen corresponding path program 1 times [2020-10-13 08:03:39,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:39,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1787235196] [2020-10-13 08:03:39,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:40,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:40,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:40,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:40,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:40,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:03:40,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:40,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 778 [2020-10-13 08:03:40,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:40,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:40,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-13 08:03:40,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 08:03:40,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:40,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:40,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:40,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:40,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:40,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:40,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:40,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:40,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:40,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:40,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:40,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:40,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:40,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:40,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:40,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-13 08:03:40,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:40,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-13 08:03:40,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:40,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:40,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:40,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 08:03:40,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:41,065 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:41,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1787235196] [2020-10-13 08:03:41,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:41,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:41,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506120553] [2020-10-13 08:03:41,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:41,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:41,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:41,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:41,071 INFO L87 Difference]: Start difference. First operand 296 states and 444 transitions. Second operand 5 states. [2020-10-13 08:03:41,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:41,924 INFO L93 Difference]: Finished difference Result 608 states and 913 transitions. [2020-10-13 08:03:41,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:41,927 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-10-13 08:03:41,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:41,931 INFO L225 Difference]: With dead ends: 608 [2020-10-13 08:03:41,931 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:03:41,933 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 08:03:41,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:03:41,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:03:41,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:03:41,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 442 transitions. [2020-10-13 08:03:41,948 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 442 transitions. Word has length 122 [2020-10-13 08:03:41,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:41,948 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 442 transitions. [2020-10-13 08:03:41,949 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:41,949 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 442 transitions. [2020-10-13 08:03:41,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-13 08:03:41,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:41,951 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:41,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:03:41,951 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:41,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:41,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1405214454, now seen corresponding path program 1 times [2020-10-13 08:03:41,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:41,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [734394432] [2020-10-13 08:03:41,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:41,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:42,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:42,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:42,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:43,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:43,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-13 08:03:43,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:03:43,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1142 [2020-10-13 08:03:43,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:43,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:43,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-13 08:03:43,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 08:03:43,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:43,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:43,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:43,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:43,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:43,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:43,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:03:43,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:43,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:43,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:43,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:43,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:43,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:43,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:43,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:43,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-13 08:03:43,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:43,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-13 08:03:43,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:43,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:43,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:43,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 08:03:43,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:43,388 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:43,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [734394432] [2020-10-13 08:03:43,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:43,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:43,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053703940] [2020-10-13 08:03:43,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:43,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:43,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:43,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:43,391 INFO L87 Difference]: Start difference. First operand 296 states and 442 transitions. Second operand 5 states. [2020-10-13 08:03:44,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:44,239 INFO L93 Difference]: Finished difference Result 607 states and 908 transitions. [2020-10-13 08:03:44,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:44,240 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2020-10-13 08:03:44,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:44,243 INFO L225 Difference]: With dead ends: 607 [2020-10-13 08:03:44,243 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:03:44,244 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 08:03:44,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:03:44,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:03:44,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:03:44,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 440 transitions. [2020-10-13 08:03:44,257 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 440 transitions. Word has length 130 [2020-10-13 08:03:44,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:44,257 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 440 transitions. [2020-10-13 08:03:44,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:44,258 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 440 transitions. [2020-10-13 08:03:44,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-13 08:03:44,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:44,260 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:44,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:03:44,260 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:44,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:44,261 INFO L82 PathProgramCache]: Analyzing trace with hash 865845370, now seen corresponding path program 1 times [2020-10-13 08:03:44,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:44,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1417973601] [2020-10-13 08:03:44,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:44,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:44,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:44,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:45,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:45,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-13 08:03:45,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:45,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 823 [2020-10-13 08:03:45,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:45,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:45,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-13 08:03:45,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 08:03:45,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:45,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:45,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:45,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:45,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:45,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:45,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:45,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:45,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:45,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:45,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:45,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:45,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:45,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:45,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:45,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 08:03:45,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:45,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-13 08:03:45,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:45,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:45,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:45,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 08:03:45,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:45,352 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:45,352 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1417973601] [2020-10-13 08:03:45,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:45,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:45,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740177565] [2020-10-13 08:03:45,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:45,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:45,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:45,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:45,354 INFO L87 Difference]: Start difference. First operand 296 states and 440 transitions. Second operand 5 states. [2020-10-13 08:03:46,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:46,431 INFO L93 Difference]: Finished difference Result 609 states and 906 transitions. [2020-10-13 08:03:46,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:46,434 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-10-13 08:03:46,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:46,436 INFO L225 Difference]: With dead ends: 609 [2020-10-13 08:03:46,436 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:03:46,438 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 08:03:46,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:03:46,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:03:46,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:03:46,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 438 transitions. [2020-10-13 08:03:46,450 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 438 transitions. Word has length 138 [2020-10-13 08:03:46,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:46,450 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 438 transitions. [2020-10-13 08:03:46,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:46,451 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 438 transitions. [2020-10-13 08:03:46,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-13 08:03:46,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:46,453 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:46,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:03:46,453 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:46,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:46,454 INFO L82 PathProgramCache]: Analyzing trace with hash -2105101442, now seen corresponding path program 1 times [2020-10-13 08:03:46,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:46,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1969065868] [2020-10-13 08:03:46,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:46,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:46,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:46,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:47,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:47,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-13 08:03:47,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:47,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 893 [2020-10-13 08:03:47,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:47,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:47,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-13 08:03:47,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 08:03:47,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:47,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:47,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:47,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:47,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:47,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:47,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:03:47,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:47,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:47,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:47,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:47,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:47,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:47,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:47,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:47,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 08:03:47,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:47,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-13 08:03:47,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:47,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:47,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:47,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-13 08:03:47,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:47,726 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:47,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1969065868] [2020-10-13 08:03:47,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:47,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:47,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668709876] [2020-10-13 08:03:47,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:47,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:47,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:47,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:47,729 INFO L87 Difference]: Start difference. First operand 296 states and 438 transitions. Second operand 5 states. [2020-10-13 08:03:48,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:48,764 INFO L93 Difference]: Finished difference Result 611 states and 904 transitions. [2020-10-13 08:03:48,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:48,765 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-10-13 08:03:48,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:48,768 INFO L225 Difference]: With dead ends: 611 [2020-10-13 08:03:48,769 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:03:48,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:03:48,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:03:48,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:03:48,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:03:48,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 436 transitions. [2020-10-13 08:03:48,787 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 436 transitions. Word has length 152 [2020-10-13 08:03:48,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:48,788 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 436 transitions. [2020-10-13 08:03:48,788 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:48,788 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 436 transitions. [2020-10-13 08:03:48,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-13 08:03:48,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:48,792 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:48,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:03:48,793 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:48,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:48,793 INFO L82 PathProgramCache]: Analyzing trace with hash -144074879, now seen corresponding path program 1 times [2020-10-13 08:03:48,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:48,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706944742] [2020-10-13 08:03:48,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:48,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:48,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:49,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:50,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:50,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-13 08:03:50,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:50,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1357 [2020-10-13 08:03:50,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:50,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:50,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-13 08:03:50,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 08:03:50,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:50,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:50,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:50,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:50,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:50,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:50,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:50,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:50,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:50,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:50,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:50,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:50,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:50,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:50,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:50,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:03:50,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:50,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-13 08:03:50,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:50,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:50,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:50,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-13 08:03:50,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:50,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706944742] [2020-10-13 08:03:50,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:50,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:50,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876928053] [2020-10-13 08:03:50,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:50,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:50,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:50,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:50,454 INFO L87 Difference]: Start difference. First operand 296 states and 436 transitions. Second operand 5 states. [2020-10-13 08:03:51,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:51,581 INFO L93 Difference]: Finished difference Result 614 states and 903 transitions. [2020-10-13 08:03:51,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:51,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-10-13 08:03:51,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:51,588 INFO L225 Difference]: With dead ends: 614 [2020-10-13 08:03:51,589 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:03:51,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:51,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:03:51,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:03:51,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:03:51,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 434 transitions. [2020-10-13 08:03:51,612 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 434 transitions. Word has length 157 [2020-10-13 08:03:51,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:51,613 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 434 transitions. [2020-10-13 08:03:51,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:51,613 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 434 transitions. [2020-10-13 08:03:51,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-13 08:03:51,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:51,617 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:51,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:03:51,618 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:51,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:51,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1630733283, now seen corresponding path program 1 times [2020-10-13 08:03:51,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:51,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1790974308] [2020-10-13 08:03:51,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:51,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:51,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:52,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:52,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:52,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-13 08:03:52,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:52,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1271 [2020-10-13 08:03:52,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:52,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:52,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-13 08:03:52,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 08:03:52,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:53,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:53,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:53,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:53,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:53,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:53,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:03:53,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:53,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:53,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:53,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:53,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:53,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:53,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:53,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:53,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 08:03:53,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:53,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-13 08:03:53,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:53,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:53,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:53,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-13 08:03:53,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:53,436 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:53,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1790974308] [2020-10-13 08:03:53,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:53,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:53,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412386106] [2020-10-13 08:03:53,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:53,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:53,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:53,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:53,447 INFO L87 Difference]: Start difference. First operand 296 states and 434 transitions. Second operand 5 states. [2020-10-13 08:03:54,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:54,268 INFO L93 Difference]: Finished difference Result 606 states and 891 transitions. [2020-10-13 08:03:54,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:54,269 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2020-10-13 08:03:54,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:54,272 INFO L225 Difference]: With dead ends: 606 [2020-10-13 08:03:54,272 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:03:54,273 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:03:54,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:03:54,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:03:54,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:03:54,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 432 transitions. [2020-10-13 08:03:54,286 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 432 transitions. Word has length 159 [2020-10-13 08:03:54,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:54,287 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 432 transitions. [2020-10-13 08:03:54,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:54,287 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 432 transitions. [2020-10-13 08:03:54,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-13 08:03:54,289 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:54,289 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:54,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:03:54,290 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:54,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:54,290 INFO L82 PathProgramCache]: Analyzing trace with hash -803704082, now seen corresponding path program 1 times [2020-10-13 08:03:54,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:54,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1365082722] [2020-10-13 08:03:54,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:54,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:54,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:55,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:55,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:55,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-13 08:03:55,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:55,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1095 [2020-10-13 08:03:55,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:55,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:55,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-13 08:03:55,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:03:55,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:55,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:55,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:55,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:55,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:55,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:55,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:55,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:55,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:55,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:55,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:55,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:55,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:55,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:55,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:55,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 08:03:55,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:55,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-13 08:03:55,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:55,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:55,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:55,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-13 08:03:55,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:55,731 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:55,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1365082722] [2020-10-13 08:03:55,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:55,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:55,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494523223] [2020-10-13 08:03:55,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:55,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:55,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:55,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:55,734 INFO L87 Difference]: Start difference. First operand 296 states and 432 transitions. Second operand 5 states. [2020-10-13 08:03:56,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:56,556 INFO L93 Difference]: Finished difference Result 605 states and 886 transitions. [2020-10-13 08:03:56,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:56,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2020-10-13 08:03:56,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:56,559 INFO L225 Difference]: With dead ends: 605 [2020-10-13 08:03:56,559 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:03:56,560 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 08:03:56,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:03:56,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:03:56,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:03:56,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 430 transitions. [2020-10-13 08:03:56,573 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 430 transitions. Word has length 160 [2020-10-13 08:03:56,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:56,573 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 430 transitions. [2020-10-13 08:03:56,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:56,573 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 430 transitions. [2020-10-13 08:03:56,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-13 08:03:56,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:56,575 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:56,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:03:56,576 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:56,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:56,576 INFO L82 PathProgramCache]: Analyzing trace with hash 52272842, now seen corresponding path program 1 times [2020-10-13 08:03:56,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:56,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [312999150] [2020-10-13 08:03:56,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:56,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:56,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:57,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:57,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:57,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-13 08:03:57,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:57,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1117 [2020-10-13 08:03:57,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:57,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:57,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 132 [2020-10-13 08:03:57,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 08:03:57,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:57,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:57,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:57,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:57,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:57,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:57,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:57,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:57,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:57,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:57,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:57,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:57,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:57,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:57,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:57,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-13 08:03:57,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:57,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-13 08:03:57,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:57,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:57,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:57,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 08:03:57,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:58,019 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:58,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [312999150] [2020-10-13 08:03:58,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:58,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:58,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880761403] [2020-10-13 08:03:58,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:58,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:58,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:58,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:58,022 INFO L87 Difference]: Start difference. First operand 296 states and 430 transitions. Second operand 5 states. [2020-10-13 08:03:58,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:58,818 INFO L93 Difference]: Finished difference Result 610 states and 887 transitions. [2020-10-13 08:03:58,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:58,821 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162 [2020-10-13 08:03:58,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:58,824 INFO L225 Difference]: With dead ends: 610 [2020-10-13 08:03:58,824 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:03:58,826 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 08:03:58,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:03:58,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:03:58,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:03:58,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 428 transitions. [2020-10-13 08:03:58,840 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 428 transitions. Word has length 162 [2020-10-13 08:03:58,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:58,841 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 428 transitions. [2020-10-13 08:03:58,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:58,841 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 428 transitions. [2020-10-13 08:03:58,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-13 08:03:58,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:58,843 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:58,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:03:58,844 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:58,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:58,845 INFO L82 PathProgramCache]: Analyzing trace with hash -669869583, now seen corresponding path program 1 times [2020-10-13 08:03:58,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:58,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1833760664] [2020-10-13 08:03:58,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:58,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:58,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:59,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:00,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:00,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-13 08:04:00,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:04:00,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1140 [2020-10-13 08:04:00,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:00,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:00,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-13 08:04:00,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:04:00,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:00,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:00,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:00,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:00,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:00,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:00,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:04:00,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:00,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:00,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:00,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:00,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:00,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:00,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-13 08:04:00,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:00,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-13 08:04:00,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:00,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:00,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:00,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-13 08:04:00,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:00,359 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:00,359 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1833760664] [2020-10-13 08:04:00,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:00,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:00,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275948778] [2020-10-13 08:04:00,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:00,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:00,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:00,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:00,362 INFO L87 Difference]: Start difference. First operand 296 states and 428 transitions. Second operand 5 states. [2020-10-13 08:04:01,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:01,304 INFO L93 Difference]: Finished difference Result 604 states and 877 transitions. [2020-10-13 08:04:01,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:01,305 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2020-10-13 08:04:01,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:01,307 INFO L225 Difference]: With dead ends: 604 [2020-10-13 08:04:01,307 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:04:01,309 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 08:04:01,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:04:01,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:04:01,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:04:01,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 426 transitions. [2020-10-13 08:04:01,320 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 426 transitions. Word has length 165 [2020-10-13 08:04:01,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:01,321 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 426 transitions. [2020-10-13 08:04:01,321 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:01,321 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 426 transitions. [2020-10-13 08:04:01,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-13 08:04:01,323 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:01,323 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:01,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:04:01,324 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:01,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:01,324 INFO L82 PathProgramCache]: Analyzing trace with hash -549110142, now seen corresponding path program 1 times [2020-10-13 08:04:01,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:01,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637688326] [2020-10-13 08:04:01,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:01,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:01,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:01,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:02,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:02,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 08:04:02,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:04:02,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 947 [2020-10-13 08:04:02,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:02,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:02,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-13 08:04:02,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 08:04:02,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:02,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:02,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:02,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:02,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:02,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:02,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:04:02,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:02,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:02,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:02,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:02,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:02,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:02,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:02,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:02,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-13 08:04:02,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:02,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-13 08:04:02,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:02,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:02,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:02,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-13 08:04:02,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:02,575 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:02,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [637688326] [2020-10-13 08:04:02,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:02,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:02,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011823726] [2020-10-13 08:04:02,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:02,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:02,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:02,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:02,580 INFO L87 Difference]: Start difference. First operand 296 states and 426 transitions. Second operand 5 states. [2020-10-13 08:04:03,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:03,368 INFO L93 Difference]: Finished difference Result 602 states and 871 transitions. [2020-10-13 08:04:03,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:03,368 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2020-10-13 08:04:03,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:03,371 INFO L225 Difference]: With dead ends: 602 [2020-10-13 08:04:03,371 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:04:03,372 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 08:04:03,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:04:03,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:04:03,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:04:03,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 424 transitions. [2020-10-13 08:04:03,388 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 424 transitions. Word has length 166 [2020-10-13 08:04:03,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:03,389 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 424 transitions. [2020-10-13 08:04:03,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:03,389 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 424 transitions. [2020-10-13 08:04:03,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-13 08:04:03,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:03,391 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:03,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:04:03,391 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:03,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:03,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1135713933, now seen corresponding path program 1 times [2020-10-13 08:04:03,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:03,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [600959613] [2020-10-13 08:04:03,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:03,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:03,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:03,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:04,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:04,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-13 08:04:04,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:04:04,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 922 [2020-10-13 08:04:04,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:04,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:04,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-13 08:04:04,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 08:04:04,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:04,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:04,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:04,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:04,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:04,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:04,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:04:04,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:04,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:04,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:04,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:04,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:04,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:04,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:04,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:04,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-13 08:04:04,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:04,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 08:04:04,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:04,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:04,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:04,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-13 08:04:04,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:04,568 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:04,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [600959613] [2020-10-13 08:04:04,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:04,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:04,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808955516] [2020-10-13 08:04:04,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:04,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:04,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:04,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:04,571 INFO L87 Difference]: Start difference. First operand 296 states and 424 transitions. Second operand 5 states. [2020-10-13 08:04:05,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:05,350 INFO L93 Difference]: Finished difference Result 600 states and 865 transitions. [2020-10-13 08:04:05,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:05,352 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-13 08:04:05,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:05,354 INFO L225 Difference]: With dead ends: 600 [2020-10-13 08:04:05,354 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:04:05,355 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 08:04:05,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:04:05,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:04:05,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:04:05,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 422 transitions. [2020-10-13 08:04:05,368 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 422 transitions. Word has length 167 [2020-10-13 08:04:05,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:05,368 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 422 transitions. [2020-10-13 08:04:05,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:05,368 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 422 transitions. [2020-10-13 08:04:05,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 08:04:05,371 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:05,371 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:05,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 08:04:05,372 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:05,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:05,372 INFO L82 PathProgramCache]: Analyzing trace with hash 521171406, now seen corresponding path program 1 times [2020-10-13 08:04:05,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:05,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1135493659] [2020-10-13 08:04:05,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:05,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:05,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:05,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:06,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:06,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-13 08:04:06,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:04:06,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 753 [2020-10-13 08:04:06,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:06,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:06,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-10-13 08:04:06,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 08:04:06,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:06,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:06,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:06,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:06,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:06,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:06,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:04:06,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:06,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:06,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:06,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:06,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:06,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:06,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:06,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:06,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 08:04:06,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:06,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 08:04:06,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:06,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:06,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:06,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-13 08:04:06,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:06,377 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:06,378 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1135493659] [2020-10-13 08:04:06,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:06,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:06,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59638763] [2020-10-13 08:04:06,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:06,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:06,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:06,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:06,379 INFO L87 Difference]: Start difference. First operand 296 states and 422 transitions. Second operand 5 states. [2020-10-13 08:04:07,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:07,172 INFO L93 Difference]: Finished difference Result 613 states and 874 transitions. [2020-10-13 08:04:07,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:07,174 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 176 [2020-10-13 08:04:07,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:07,176 INFO L225 Difference]: With dead ends: 613 [2020-10-13 08:04:07,176 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:04:07,178 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 08:04:07,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:04:07,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:04:07,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:04:07,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 420 transitions. [2020-10-13 08:04:07,192 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 420 transitions. Word has length 176 [2020-10-13 08:04:07,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:07,192 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 420 transitions. [2020-10-13 08:04:07,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:07,192 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 420 transitions. [2020-10-13 08:04:07,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-13 08:04:07,193 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:07,194 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:07,194 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 08:04:07,194 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:07,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:07,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1772085551, now seen corresponding path program 1 times [2020-10-13 08:04:07,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:07,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1048180740] [2020-10-13 08:04:07,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:07,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:07,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:07,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:08,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:08,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:08,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-13 08:04:08,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:04:08,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1418 [2020-10-13 08:04:08,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:08,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:04:08,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-13 08:04:08,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 08:04:08,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:08,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:08,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:08,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:08,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:08,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:08,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:04:08,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:08,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:08,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:08,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:08,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:08,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 08:04:08,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:08,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-13 08:04:08,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:08,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:08,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:08,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-13 08:04:08,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:08,934 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:08,934 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1048180740] [2020-10-13 08:04:08,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:08,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:04:08,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746182521] [2020-10-13 08:04:08,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:04:08,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:08,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:04:08,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:04:08,936 INFO L87 Difference]: Start difference. First operand 296 states and 420 transitions. Second operand 8 states. [2020-10-13 08:04:09,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:09,872 INFO L93 Difference]: Finished difference Result 617 states and 874 transitions. [2020-10-13 08:04:09,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:04:09,873 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 181 [2020-10-13 08:04:09,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:09,875 INFO L225 Difference]: With dead ends: 617 [2020-10-13 08:04:09,875 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:04:09,877 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 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 08:04:09,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:04:09,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:04:09,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:04:09,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 418 transitions. [2020-10-13 08:04:09,887 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 418 transitions. Word has length 181 [2020-10-13 08:04:09,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:09,888 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 418 transitions. [2020-10-13 08:04:09,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:04:09,888 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 418 transitions. [2020-10-13 08:04:09,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-13 08:04:09,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:09,890 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:09,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 08:04:09,890 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:09,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:09,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1062174050, now seen corresponding path program 1 times [2020-10-13 08:04:09,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:09,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827674442] [2020-10-13 08:04:09,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:09,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:09,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:10,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:10,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:12,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:12,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-13 08:04:12,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:04:12,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2177 [2020-10-13 08:04:12,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:12,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:12,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-10-13 08:04:12,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 08:04:12,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:12,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:12,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:12,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:12,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:12,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:12,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:04:12,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:12,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:12,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:12,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:12,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:12,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:12,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:12,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:12,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 08:04:12,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:12,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-13 08:04:12,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:12,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:12,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:12,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-13 08:04:12,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:12,342 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:12,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827674442] [2020-10-13 08:04:12,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:12,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:12,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700198610] [2020-10-13 08:04:12,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:12,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:12,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:12,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:12,345 INFO L87 Difference]: Start difference. First operand 296 states and 418 transitions. Second operand 5 states. [2020-10-13 08:04:13,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:13,107 INFO L93 Difference]: Finished difference Result 456 states and 644 transitions. [2020-10-13 08:04:13,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:13,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2020-10-13 08:04:13,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:13,112 INFO L225 Difference]: With dead ends: 456 [2020-10-13 08:04:13,113 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:04:13,114 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 08:04:13,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:04:13,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:04:13,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:04:13,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:04:13,115 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 182 [2020-10-13 08:04:13,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:13,115 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:04:13,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:13,116 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:04:13,116 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:04:13,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 08:04:13,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:04:13,440 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 97 [2020-10-13 08:04:13,627 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 97 [2020-10-13 08:04:14,860 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 225 DAG size of output: 138 [2020-10-13 08:04:15,340 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2020-10-13 08:04:15,775 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2020-10-13 08:04:15,780 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:04:15,781 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 08:04:15,781 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:04:15,781 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-13 08:04:15,782 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,782 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,782 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,782 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,782 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,783 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,783 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-13 08:04:15,783 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-13 08:04:15,783 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:04:15,783 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:04:15,783 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:04:15,783 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:04:15,784 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:04:15,784 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:04:15,784 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-13 08:04:15,784 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-13 08:04:15,784 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-13 08:04:15,784 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,784 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,784 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,784 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,784 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,785 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-13 08:04:15,785 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-13 08:04:15,785 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-13 08:04:15,785 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-13 08:04:15,785 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:04:15,785 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:04:15,785 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:04:15,785 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:04:15,785 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:04:15,786 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-13 08:04:15,786 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-13 08:04:15,786 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-13 08:04:15,786 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-13 08:04:15,786 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2020-10-13 08:04:15,786 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-13 08:04:15,786 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,786 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,786 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,787 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,787 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,787 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-13 08:04:15,787 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:04:15,787 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:04:15,787 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:04:15,787 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:04:15,787 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:04:15,787 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-13 08:04:15,787 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-13 08:04:15,788 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-13 08:04:15,788 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-13 08:04:15,788 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,788 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,788 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,788 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,788 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,788 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-13 08:04:15,788 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-13 08:04:15,789 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-13 08:04:15,789 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:04:15,789 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:04:15,789 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:04:15,789 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:04:15,789 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:04:15,789 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-13 08:04:15,789 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-13 08:04:15,789 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-13 08:04:15,790 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-13 08:04:15,790 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-13 08:04:15,790 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,790 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,790 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,790 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,790 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,790 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:04:15,790 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:04:15,791 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:04:15,791 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:04:15,791 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:04:15,791 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-13 08:04:15,791 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-13 08:04:15,791 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-13 08:04:15,791 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-13 08:04:15,791 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,791 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,791 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,792 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,792 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,792 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,792 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,792 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-13 08:04:15,792 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-13 08:04:15,792 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-13 08:04:15,792 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-13 08:04:15,792 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:04:15,792 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:04:15,793 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:04:15,793 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:04:15,793 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:04:15,793 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-13 08:04:15,793 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-13 08:04:15,793 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-13 08:04:15,793 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-13 08:04:15,793 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,793 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,794 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,794 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,794 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:04:15,794 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,794 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,794 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-13 08:04:15,794 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-13 08:04:15,794 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-13 08:04:15,795 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:04:15,795 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:04:15,795 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:04:15,795 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:04:15,795 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:04:15,795 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:04:15,795 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-13 08:04:15,795 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-13 08:04:15,795 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-13 08:04:15,796 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-13 08:04:15,796 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,796 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,796 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,796 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,796 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,796 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,796 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-13 08:04:15,796 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-13 08:04:15,797 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-13 08:04:15,797 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:04:15,797 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:04:15,797 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:04:15,797 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:04:15,797 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:04:15,797 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:04:15,797 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-13 08:04:15,797 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-13 08:04:15,798 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse15 (= ~a1~0 |old(~a1~0)|)) (.cse16 (= ~a10~0 |old(~a10~0)|))) (let ((.cse8 (not (= |old(~a10~0)| 1))) (.cse10 (not (= 7 |old(~a19~0)|))) (.cse5 (not (= 2 |old(~a10~0)|))) (.cse7 (not (<= 7 |old(~a19~0)|))) (.cse9 (not (<= |old(~a1~0)| 33))) (.cse11 (not (<= 0 (+ |old(~a1~0)| 12)))) (.cse0 (and .cse15 (= ~a19~0 |old(~a19~0)|) .cse16)) (.cse2 (not (= 0 |old(~a10~0)|))) (.cse3 (not (= 8 |old(~a19~0)|))) (.cse6 (not (= 4 |old(~a10~0)|))) (.cse12 (not (<= 6 |old(~a19~0)|))) (.cse1 (not (= 14 ~a4~0))) (.cse13 (not (<= |old(~a19~0)| 6))) (.cse14 (and (<= 6 ~a19~0) .cse15 (<= ~a19~0 6) .cse16)) (.cse4 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= |old(~a1~0)| 78)) (not (<= 41 |old(~a1~0)|)) .cse4) (or (not (<= 592098 |old(~a1~0)|)) .cse0 .cse1 .cse5 .cse3 .cse4) (or .cse0 .cse1 .cse6 .cse3 .cse4) (or (not (<= |old(~a19~0)| 7)) .cse7 (not (<= 221 |old(~a1~0)|)) .cse0 .cse1 (not (<= 1 |old(~a10~0)|)) (not (<= |old(~a10~0)| 1)) .cse4) (or (not (<= 331498 |old(~a1~0)|)) .cse0 .cse8 .cse1 .cse3 .cse4) (or .cse8 .cse0 .cse1 .cse9 .cse10 .cse11 .cse4) (or .cse0 (not (<= |old(~a1~0)| 36)) .cse1 .cse5 .cse3 .cse11 .cse4) (or (not (<= 117 |old(~a1~0)|)) (not (<= |old(~a1~0)| 206)) .cse0 .cse1 .cse5 .cse10 .cse4) (or (not (<= (+ |old(~a1~0)| 437977) 0)) .cse0 .cse1 .cse5 .cse3 .cse4) (or .cse7 .cse0 (not (<= 2 |old(~a10~0)|)) (not (<= |old(~a1~0)| 5)) (not (<= |old(~a10~0)| 2)) .cse1 (not (<= 0 |old(~a1~0)|)) .cse4) (or (not (<= 9 |old(~a19~0)|)) .cse0) (or .cse12 (not (<= 3 |old(~a10~0)|)) .cse1 .cse9 .cse13 .cse14 .cse11 .cse4 (not (<= |old(~a10~0)| 3))) (or .cse0 (not (<= 219 |old(~a1~0)|)) .cse1 .cse2 .cse3 .cse4) (or (not (= 6 |old(~a19~0)|)) (not (<= (+ |old(~a1~0)| 333899) 0)) .cse1 (and .cse15 (= ~a19~0 6) .cse16) .cse6 .cse4) (or (not (<= (+ |old(~a1~0)| 551894) 0)) (not (<= |old(~a10~0)| 0)) .cse12 .cse1 .cse13 .cse14 (not (<= 0 |old(~a10~0)|)) .cse4)))) [2020-10-13 08:04:15,799 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-13 08:04:15,799 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-13 08:04:15,799 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-13 08:04:15,799 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,799 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,799 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,799 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,799 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,799 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,800 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-13 08:04:15,800 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:04:15,800 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:04:15,800 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:04:15,800 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:04:15,800 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:04:15,800 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:04:15,800 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-13 08:04:15,800 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-13 08:04:15,801 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-13 08:04:15,801 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-13 08:04:15,801 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-13 08:04:15,801 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-13 08:04:15,801 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,801 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,801 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,801 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,801 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,801 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,802 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-13 08:04:15,802 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-13 08:04:15,802 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-13 08:04:15,802 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:04:15,802 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:04:15,802 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:04:15,802 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:04:15,802 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:04:15,802 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:04:15,802 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-13 08:04:15,803 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-13 08:04:15,803 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-13 08:04:15,803 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,803 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,803 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,803 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,803 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,803 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:15,803 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-13 08:04:15,803 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-13 08:04:15,804 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-13 08:04:15,804 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:04:15,804 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:04:15,804 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:04:15,804 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:04:15,804 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:04:15,804 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:04:15,804 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-13 08:04:15,804 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-13 08:04:15,804 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-13 08:04:15,805 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:04:15,805 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= 9 ~a19~0) [2020-10-13 08:04:15,805 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:04:15,805 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:04:15,805 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)|))) [2020-10-13 08:04:15,805 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:04:15,806 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse6 (= 7 ~a19~0)) (.cse5 (= ~a10~0 1)) (.cse11 (= ~a10~0 4)) (.cse12 (= ~a10~0 0)) (.cse10 (<= 7 ~a19~0)) (.cse8 (= ~a19~0 8)) (.cse9 (= ~a10~0 2)) (.cse4 (<= 0 (+ ~a1~0 12))) (.cse0 (<= 6 ~a19~0)) (.cse1 (= 14 ~a4~0)) (.cse7 (<= ~a1~0 33)) (.cse2 (= ~a12~0 0)) (.cse3 (<= ~a19~0 6))) (or (and (<= ~a10~0 0) (<= 0 ~a10~0) .cse0 .cse1 (<= (+ ~a1~0 551894) 0) .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse1 .cse7 .cse2) (and .cse8 .cse1 .cse9 .cse2 (<= (+ ~a1~0 437977) 0)) (and .cse6 .cse1 .cse9 .cse2 (<= 117 ~a1~0) (<= ~a1~0 206)) (and .cse1 (<= 0 ~a1~0) .cse10 (<= ~a10~0 2) .cse2 (<= ~a1~0 5) (<= 2 ~a10~0)) (and .cse8 (<= 331498 ~a1~0) .cse5 .cse1 .cse2) (and (<= (+ ~a1~0 333899) 0) .cse1 .cse2 (= ~a19~0 6) .cse11) (and .cse8 .cse1 .cse12 .cse2 (<= 219 ~a1~0)) (and .cse8 .cse1 .cse9 .cse2 (<= 592098 ~a1~0)) (and .cse8 .cse1 .cse2 .cse11) (and .cse8 (<= 41 ~a1~0) .cse1 .cse12 .cse2 (<= ~a1~0 78)) (and (<= ~a19~0 7) .cse1 .cse10 (<= 1 ~a10~0) .cse2 (<= ~a10~0 1) (<= 221 ~a1~0)) (not (<= 9 |old(~a19~0)|)) (<= 9 ~a19~0) (and .cse8 .cse4 (<= ~a1~0 36) .cse1 .cse9 .cse2) (and .cse4 (<= 3 ~a10~0) .cse0 .cse1 .cse7 .cse2 .cse3 (<= ~a10~0 3)))) [2020-10-13 08:04:15,806 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-13 08:04:15,806 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-13 08:04:15,806 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse6 (= 7 ~a19~0)) (.cse5 (= ~a10~0 1)) (.cse11 (= ~a10~0 4)) (.cse12 (= ~a10~0 0)) (.cse10 (<= 7 ~a19~0)) (.cse8 (= ~a19~0 8)) (.cse9 (= ~a10~0 2)) (.cse4 (<= 0 (+ ~a1~0 12))) (.cse0 (<= 6 ~a19~0)) (.cse1 (= 14 ~a4~0)) (.cse7 (<= ~a1~0 33)) (.cse2 (= ~a12~0 0)) (.cse3 (<= ~a19~0 6))) (or (and (<= ~a10~0 0) (<= 0 ~a10~0) .cse0 .cse1 (<= (+ ~a1~0 551894) 0) .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse1 .cse7 .cse2) (and .cse8 .cse1 .cse9 .cse2 (<= (+ ~a1~0 437977) 0)) (and .cse6 .cse1 .cse9 .cse2 (<= 117 ~a1~0) (<= ~a1~0 206)) (and .cse1 (<= 0 ~a1~0) .cse10 (<= ~a10~0 2) .cse2 (<= ~a1~0 5) (<= 2 ~a10~0)) (and .cse8 (<= 331498 ~a1~0) .cse5 .cse1 .cse2) (and (<= (+ ~a1~0 333899) 0) .cse1 .cse2 (= ~a19~0 6) .cse11) (and .cse8 .cse1 .cse12 .cse2 (<= 219 ~a1~0)) (and .cse8 .cse1 .cse9 .cse2 (<= 592098 ~a1~0)) (and .cse8 .cse1 .cse2 .cse11) (and .cse8 (<= 41 ~a1~0) .cse1 .cse12 .cse2 (<= ~a1~0 78)) (and (<= ~a19~0 7) .cse1 .cse10 (<= 1 ~a10~0) .cse2 (<= ~a10~0 1) (<= 221 ~a1~0)) (not (<= 9 |old(~a19~0)|)) (<= 9 ~a19~0) (and .cse8 .cse4 (<= ~a1~0 36) .cse1 .cse9 .cse2) (and .cse4 (<= 3 ~a10~0) .cse0 .cse1 .cse7 .cse2 .cse3 (<= ~a10~0 3)))) [2020-10-13 08:04:15,806 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:04:15,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:04:15 BoogieIcfgContainer [2020-10-13 08:04:15,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:04:15,845 INFO L168 Benchmark]: Toolchain (without parser) took 44660.85 ms. Allocated memory was 148.4 MB in the beginning and 800.1 MB in the end (delta: 651.7 MB). Free memory was 101.3 MB in the beginning and 205.2 MB in the end (delta: -103.9 MB). Peak memory consumption was 547.8 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:15,848 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 08:04:15,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.11 ms. Allocated memory was 148.4 MB in the beginning and 206.0 MB in the end (delta: 57.7 MB). Free memory was 101.1 MB in the beginning and 172.6 MB in the end (delta: -71.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:15,849 INFO L168 Benchmark]: Boogie Preprocessor took 104.69 ms. Allocated memory is still 206.0 MB. Free memory was 172.6 MB in the beginning and 167.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:15,850 INFO L168 Benchmark]: RCFGBuilder took 1334.42 ms. Allocated memory was 206.0 MB in the beginning and 235.9 MB in the end (delta: 29.9 MB). Free memory was 167.9 MB in the beginning and 177.2 MB in the end (delta: -9.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:15,851 INFO L168 Benchmark]: TraceAbstraction took 42470.28 ms. Allocated memory was 235.9 MB in the beginning and 800.1 MB in the end (delta: 564.1 MB). Free memory was 175.8 MB in the beginning and 205.2 MB in the end (delta: -29.4 MB). Peak memory consumption was 534.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:15,856 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 746.11 ms. Allocated memory was 148.4 MB in the beginning and 206.0 MB in the end (delta: 57.7 MB). Free memory was 101.1 MB in the beginning and 172.6 MB in the end (delta: -71.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.69 ms. Allocated memory is still 206.0 MB. Free memory was 172.6 MB in the beginning and 167.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1334.42 ms. Allocated memory was 206.0 MB in the beginning and 235.9 MB in the end (delta: 29.9 MB). Free memory was 167.9 MB in the beginning and 177.2 MB in the end (delta: -9.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 42470.28 ms. Allocated memory was 235.9 MB in the beginning and 800.1 MB in the end (delta: 564.1 MB). Free memory was 175.8 MB in the beginning and 205.2 MB in the end (delta: -29.4 MB). Peak memory consumption was 534.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: ((((((((((((((((((((a10 <= 0 && 0 <= a10) && 6 <= a19) && 14 == a4) && a1 + 551894 <= 0) && a12 == 0) && a19 <= 6) || (((((0 <= a1 + 12 && a10 == 1) && 7 == a19) && 14 == a4) && a1 <= 33) && a12 == 0)) || ((((a19 == 8 && 14 == a4) && a10 == 2) && a12 == 0) && a1 + 437977 <= 0)) || (((((7 == a19 && 14 == a4) && a10 == 2) && a12 == 0) && 117 <= a1) && a1 <= 206)) || ((((((14 == a4 && 0 <= a1) && 7 <= a19) && a10 <= 2) && a12 == 0) && a1 <= 5) && 2 <= a10)) || ((((a19 == 8 && 331498 <= a1) && a10 == 1) && 14 == a4) && a12 == 0)) || ((((a1 + 333899 <= 0 && 14 == a4) && a12 == 0) && a19 == 6) && a10 == 4)) || ((((a19 == 8 && 14 == a4) && a10 == 0) && a12 == 0) && 219 <= a1)) || ((((a19 == 8 && 14 == a4) && a10 == 2) && a12 == 0) && 592098 <= a1)) || (((a19 == 8 && 14 == a4) && a12 == 0) && a10 == 4)) || (((((a19 == 8 && 41 <= a1) && 14 == a4) && a10 == 0) && a12 == 0) && a1 <= 78)) || ((((((a19 <= 7 && 14 == a4) && 7 <= a19) && 1 <= a10) && a12 == 0) && a10 <= 1) && 221 <= a1)) || !(9 <= \old(a19))) || 9 <= a19) || (((((a19 == 8 && 0 <= a1 + 12) && a1 <= 36) && 14 == a4) && a10 == 2) && a12 == 0)) || (((((((0 <= a1 + 12 && 3 <= a10) && 6 <= a19) && 14 == a4) && a1 <= 33) && a12 == 0) && a19 <= 6) && a10 <= 3) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.6s, OverallIterations: 17, TraceHistogramMax: 2, AutomataDifference: 15.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 407 SDtfs, 2875 SDslu, 309 SDs, 0 SdLazy, 9788 SolverSat, 260 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 189 GetRequests, 106 SyntacticMatches, 10 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=296occurred in iteration=1, 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, 17 MinimizatonAttempts, 96 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 57 PreInvPairs, 93 NumberOfFragments, 1126 HoareAnnotationTreeSize, 57 FomulaSimplifications, 9043930 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 812 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 22.1s InterpolantComputationTime, 2489 NumberOfCodeBlocks, 2489 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2472 ConstructedInterpolants, 0 QuantifiedInterpolants, 1189413 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 1 PerfectInterpolantSequences, 512/528 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...