/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 13:05:32,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 13:05:32,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 13:05:32,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 13:05:32,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 13:05:32,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 13:05:32,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 13:05:32,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 13:05:32,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 13:05:32,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 13:05:32,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 13:05:32,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 13:05:32,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 13:05:32,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 13:05:32,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 13:05:32,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 13:05:32,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 13:05:32,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 13:05:32,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 13:05:32,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 13:05:32,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 13:05:32,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 13:05:32,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 13:05:32,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 13:05:32,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 13:05:32,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 13:05:32,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 13:05:32,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 13:05:32,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 13:05:32,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 13:05:32,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 13:05:32,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 13:05:32,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 13:05:32,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 13:05:32,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 13:05:32,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 13:05:32,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 13:05:32,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 13:05:32,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 13:05:32,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 13:05:32,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 13:05:32,909 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 13:05:32,931 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 13:05:32,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 13:05:32,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 13:05:32,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 13:05:32,933 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 13:05:32,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 13:05:32,934 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 13:05:32,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 13:05:32,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 13:05:32,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 13:05:32,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 13:05:32,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 13:05:32,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 13:05:32,935 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 13:05:32,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 13:05:32,936 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 13:05:32,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 13:05:32,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 13:05:32,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 13:05:32,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 13:05:32,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 13:05:32,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:05:32,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 13:05:32,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 13:05:32,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 13:05:32,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 13:05:32,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 13:05:32,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 13:05:32,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 13:05:32,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 13:05:33,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 13:05:33,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 13:05:33,277 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 13:05:33,279 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 13:05:33,279 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 13:05:33,280 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label31.c [2020-10-12 13:05:33,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3e79b140/fc85554f51934ff9b8f1ddca89233a8a/FLAG98b3d9598 [2020-10-12 13:05:33,948 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 13:05:33,950 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label31.c [2020-10-12 13:05:33,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3e79b140/fc85554f51934ff9b8f1ddca89233a8a/FLAG98b3d9598 [2020-10-12 13:05:34,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3e79b140/fc85554f51934ff9b8f1ddca89233a8a [2020-10-12 13:05:34,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 13:05:34,244 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 13:05:34,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 13:05:34,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 13:05:34,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 13:05:34,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:05:34" (1/1) ... [2020-10-12 13:05:34,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:34, skipping insertion in model container [2020-10-12 13:05:34,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:05:34" (1/1) ... [2020-10-12 13:05:34,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 13:05:34,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 13:05:34,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:05:34,901 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 13:05:35,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:05:35,070 INFO L208 MainTranslator]: Completed translation [2020-10-12 13:05:35,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:35 WrapperNode [2020-10-12 13:05:35,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 13:05:35,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 13:05:35,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 13:05:35,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 13:05:35,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:35" (1/1) ... [2020-10-12 13:05:35,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:35" (1/1) ... [2020-10-12 13:05:35,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:35" (1/1) ... [2020-10-12 13:05:35,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:35" (1/1) ... [2020-10-12 13:05:35,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:35" (1/1) ... [2020-10-12 13:05:35,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:35" (1/1) ... [2020-10-12 13:05:35,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:35" (1/1) ... [2020-10-12 13:05:35,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 13:05:35,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 13:05:35,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 13:05:35,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 13:05:35,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:05:35,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 13:05:35,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 13:05:35,281 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 13:05:35,281 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 13:05:35,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 13:05:35,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 13:05:35,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 13:05:35,283 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 13:05:35,283 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 13:05:35,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 13:05:35,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 13:05:36,520 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 13:05:36,521 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 13:05:36,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:05:36 BoogieIcfgContainer [2020-10-12 13:05:36,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 13:05:36,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 13:05:36,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 13:05:36,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 13:05:36,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 01:05:34" (1/3) ... [2020-10-12 13:05:36,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf245b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:05:36, skipping insertion in model container [2020-10-12 13:05:36,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:35" (2/3) ... [2020-10-12 13:05:36,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf245b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:05:36, skipping insertion in model container [2020-10-12 13:05:36,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:05:36" (3/3) ... [2020-10-12 13:05:36,544 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label31.c [2020-10-12 13:05:36,555 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 13:05:36,565 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 13:05:36,581 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 13:05:36,619 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 13:05:36,619 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 13:05:36,620 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 13:05:36,620 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 13:05:36,620 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 13:05:36,620 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 13:05:36,620 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 13:05:36,621 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 13:05:36,652 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-12 13:05:36,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-12 13:05:36,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:05:36,669 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:05:36,670 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:05:36,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:05:36,677 INFO L82 PathProgramCache]: Analyzing trace with hash -721063394, now seen corresponding path program 1 times [2020-10-12 13:05:36,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:05:36,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [677051633] [2020-10-12 13:05:36,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:05:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:36,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:37,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:37,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 13:05:37,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:37,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 348 [2020-10-12 13:05:37,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:37,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:05:37,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:05:37,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 13:05:37,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 13:05:37,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:05:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:37,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:37,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:37,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:05:37,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:37,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 13:05:37,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:37,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:05:37,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:37,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:05:37,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:37,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:05:37,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [677051633] [2020-10-12 13:05:37,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:05:37,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 13:05:37,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745432658] [2020-10-12 13:05:37,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 13:05:37,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:05:37,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 13:05:37,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 13:05:37,425 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-12 13:05:38,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:05:38,928 INFO L93 Difference]: Finished difference Result 581 states and 1006 transitions. [2020-10-12 13:05:38,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:05:38,930 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-10-12 13:05:38,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:05:38,947 INFO L225 Difference]: With dead ends: 581 [2020-10-12 13:05:38,947 INFO L226 Difference]: Without dead ends: 302 [2020-10-12 13:05:38,955 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 [2020-10-12 13:05:38,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-12 13:05:39,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-10-12 13:05:39,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-12 13:05:39,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 395 transitions. [2020-10-12 13:05:39,050 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 395 transitions. Word has length 49 [2020-10-12 13:05:39,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:05:39,051 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 395 transitions. [2020-10-12 13:05:39,051 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 13:05:39,051 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 395 transitions. [2020-10-12 13:05:39,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-12 13:05:39,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:05:39,061 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:05:39,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 13:05:39,062 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:05:39,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:05:39,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1937216922, now seen corresponding path program 1 times [2020-10-12 13:05:39,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:05:39,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1660965968] [2020-10-12 13:05:39,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:05:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:39,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:39,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:39,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:39,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 13:05:39,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:05:39,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 745 [2020-10-12 13:05:39,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:39,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 13:05:39,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:05:39,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-12 13:05:39,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:39,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:05:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:39,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:39,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:39,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:05:39,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:39,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 13:05:39,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:39,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:05:39,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:39,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:05:39,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:39,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:05:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:40,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:40,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:40,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:40,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:05:40,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:05:40,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-12 13:05:40,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:40,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:05:40,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:05:40,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-12 13:05:40,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:40,272 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 13:05:40,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1660965968] [2020-10-12 13:05:40,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:05:40,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:05:40,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743965760] [2020-10-12 13:05:40,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:05:40,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:05:40,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:05:40,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:05:40,287 INFO L87 Difference]: Start difference. First operand 298 states and 395 transitions. Second operand 7 states. [2020-10-12 13:05:42,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:05:42,235 INFO L93 Difference]: Finished difference Result 751 states and 1067 transitions. [2020-10-12 13:05:42,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 13:05:42,236 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 119 [2020-10-12 13:05:42,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:05:42,243 INFO L225 Difference]: With dead ends: 751 [2020-10-12 13:05:42,243 INFO L226 Difference]: Without dead ends: 749 [2020-10-12 13:05:42,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-12 13:05:42,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2020-10-12 13:05:42,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 590. [2020-10-12 13:05:42,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-12 13:05:42,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 851 transitions. [2020-10-12 13:05:42,297 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 851 transitions. Word has length 119 [2020-10-12 13:05:42,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:05:42,298 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 851 transitions. [2020-10-12 13:05:42,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:05:42,298 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 851 transitions. [2020-10-12 13:05:42,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-12 13:05:42,308 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:05:42,309 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:05:42,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 13:05:42,309 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:05:42,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:05:42,310 INFO L82 PathProgramCache]: Analyzing trace with hash 179342018, now seen corresponding path program 1 times [2020-10-12 13:05:42,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:05:42,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [193106018] [2020-10-12 13:05:42,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:05:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:42,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:42,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:43,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:43,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:43,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-12 13:05:43,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:05:43,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1635 [2020-10-12 13:05:43,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:44,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:05:44,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:05:44,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-12 13:05:44,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:44,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:05:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:44,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:44,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:44,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:05:44,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:44,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 13:05:44,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:44,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:05:44,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:44,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:05:44,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:44,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:05:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:44,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:44,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:44,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-12 13:05:44,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:44,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-10-12 13:05:44,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:44,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:05:44,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:05:44,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-12 13:05:44,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:44,572 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:05:44,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [193106018] [2020-10-12 13:05:44,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:05:44,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 13:05:44,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031895346] [2020-10-12 13:05:44,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 13:05:44,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:05:44,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 13:05:44,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:05:44,575 INFO L87 Difference]: Start difference. First operand 590 states and 851 transitions. Second operand 8 states. [2020-10-12 13:05:45,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:05:45,937 INFO L93 Difference]: Finished difference Result 1480 states and 2139 transitions. [2020-10-12 13:05:45,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 13:05:45,938 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 171 [2020-10-12 13:05:45,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:05:45,948 INFO L225 Difference]: With dead ends: 1480 [2020-10-12 13:05:45,949 INFO L226 Difference]: Without dead ends: 896 [2020-10-12 13:05:45,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-12 13:05:45,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2020-10-12 13:05:45,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 888. [2020-10-12 13:05:45,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2020-10-12 13:05:46,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1174 transitions. [2020-10-12 13:05:46,010 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1174 transitions. Word has length 171 [2020-10-12 13:05:46,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:05:46,012 INFO L479 AbstractCegarLoop]: Abstraction has 888 states and 1174 transitions. [2020-10-12 13:05:46,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 13:05:46,013 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1174 transitions. [2020-10-12 13:05:46,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-12 13:05:46,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:05:46,026 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2020-10-12 13:05:46,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 13:05:46,027 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:05:46,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:05:46,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1903843694, now seen corresponding path program 1 times [2020-10-12 13:05:46,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:05:46,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1888079147] [2020-10-12 13:05:46,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:05:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:46,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:46,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:46,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:47,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:47,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-12 13:05:47,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:05:47,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 956 [2020-10-12 13:05:47,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:47,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:05:47,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-10-12 13:05:47,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-12 13:05:47,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:47,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:05:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:47,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:47,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:47,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:05:47,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:47,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:05:47,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:47,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:47,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:47,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:47,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:47,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:05:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:47,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:47,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:47,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:05:47,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:47,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 13:05:47,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:47,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:47,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:47,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:47,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:47,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:05:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:47,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:47,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:47,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 13:05:47,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:47,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-12 13:05:47,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:47,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:05:47,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:47,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 13:05:47,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:47,322 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-12 13:05:47,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1888079147] [2020-10-12 13:05:47,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:05:47,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:05:47,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760872491] [2020-10-12 13:05:47,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:05:47,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:05:47,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:05:47,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:05:47,325 INFO L87 Difference]: Start difference. First operand 888 states and 1174 transitions. Second operand 5 states. [2020-10-12 13:05:50,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:05:50,847 INFO L93 Difference]: Finished difference Result 2215 states and 2992 transitions. [2020-10-12 13:05:50,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:05:50,851 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 201 [2020-10-12 13:05:50,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:05:50,867 INFO L225 Difference]: With dead ends: 2215 [2020-10-12 13:05:50,867 INFO L226 Difference]: Without dead ends: 1333 [2020-10-12 13:05:50,871 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:05:50,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2020-10-12 13:05:50,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 1184. [2020-10-12 13:05:50,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1184 states. [2020-10-12 13:05:50,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1480 transitions. [2020-10-12 13:05:50,941 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1480 transitions. Word has length 201 [2020-10-12 13:05:50,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:05:50,942 INFO L479 AbstractCegarLoop]: Abstraction has 1184 states and 1480 transitions. [2020-10-12 13:05:50,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:05:50,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1480 transitions. [2020-10-12 13:05:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-12 13:05:50,949 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:05:50,950 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2020-10-12 13:05:50,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 13:05:50,951 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:05:50,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:05:50,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1861681010, now seen corresponding path program 1 times [2020-10-12 13:05:50,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:05:50,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1780371182] [2020-10-12 13:05:50,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:05:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:51,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:51,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:51,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:52,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:52,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-12 13:05:52,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:05:52,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1381 [2020-10-12 13:05:52,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:52,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:05:52,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-12 13:05:52,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 13:05:52,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:52,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:05:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:52,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:52,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:52,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:05:52,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:52,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 13:05:52,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:52,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:52,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:52,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:52,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:52,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:05:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:52,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:52,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:52,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:05:52,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:52,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 13:05:52,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:52,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:52,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:52,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:52,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:52,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:05:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:52,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:52,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:52,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 13:05:52,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:52,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-12 13:05:52,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:52,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:05:52,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:52,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 13:05:52,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:52,810 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-12 13:05:52,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1780371182] [2020-10-12 13:05:52,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:05:52,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:05:52,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701496727] [2020-10-12 13:05:52,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:05:52,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:05:52,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:05:52,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:05:52,817 INFO L87 Difference]: Start difference. First operand 1184 states and 1480 transitions. Second operand 5 states. [2020-10-12 13:05:53,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:05:53,917 INFO L93 Difference]: Finished difference Result 2383 states and 2992 transitions. [2020-10-12 13:05:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:05:53,923 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 217 [2020-10-12 13:05:53,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:05:53,931 INFO L225 Difference]: With dead ends: 2383 [2020-10-12 13:05:53,931 INFO L226 Difference]: Without dead ends: 1188 [2020-10-12 13:05:53,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:05:53,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2020-10-12 13:05:53,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 1182. [2020-10-12 13:05:53,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1182 states. [2020-10-12 13:05:53,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1473 transitions. [2020-10-12 13:05:53,980 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1473 transitions. Word has length 217 [2020-10-12 13:05:53,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:05:53,981 INFO L479 AbstractCegarLoop]: Abstraction has 1182 states and 1473 transitions. [2020-10-12 13:05:53,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:05:53,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1473 transitions. [2020-10-12 13:05:53,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-10-12 13:05:53,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:05:53,989 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:05:53,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 13:05:53,989 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:05:53,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:05:53,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1892186554, now seen corresponding path program 1 times [2020-10-12 13:05:53,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:05:53,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2009405364] [2020-10-12 13:05:53,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:05:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:54,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:54,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:54,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:54,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:57,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:59,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:59,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-10-12 13:05:59,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 13:05:59,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 13:05:59,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:59,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:05:59,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 13:05:59,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-12 13:05:59,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:59,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:05:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:59,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:59,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:59,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:05:59,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:59,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:05:59,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:59,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:59,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:59,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:59,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:59,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:05:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:59,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:59,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:59,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:05:59,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:59,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 13:05:59,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:59,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:05:59,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:59,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 13:05:59,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:59,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:05:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:59,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:59,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:59,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:59,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 13:05:59,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:05:59,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-12 13:05:59,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:59,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:05:59,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:05:59,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 13:05:59,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:59,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 13:05:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:59,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:59,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:59,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 13:05:59,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:59,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-12 13:05:59,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:59,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:05:59,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:05:59,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-12 13:05:59,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:59,852 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 325 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-12 13:05:59,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2009405364] [2020-10-12 13:05:59,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:05:59,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 13:05:59,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746565521] [2020-10-12 13:05:59,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 13:05:59,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:05:59,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 13:05:59,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:05:59,856 INFO L87 Difference]: Start difference. First operand 1182 states and 1473 transitions. Second operand 8 states. [2020-10-12 13:06:02,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:02,127 INFO L93 Difference]: Finished difference Result 2541 states and 3187 transitions. [2020-10-12 13:06:02,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 13:06:02,129 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 311 [2020-10-12 13:06:02,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:02,138 INFO L225 Difference]: With dead ends: 2541 [2020-10-12 13:06:02,138 INFO L226 Difference]: Without dead ends: 1365 [2020-10-12 13:06:02,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-12 13:06:02,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2020-10-12 13:06:02,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1045. [2020-10-12 13:06:02,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2020-10-12 13:06:02,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1234 transitions. [2020-10-12 13:06:02,180 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1234 transitions. Word has length 311 [2020-10-12 13:06:02,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:02,180 INFO L479 AbstractCegarLoop]: Abstraction has 1045 states and 1234 transitions. [2020-10-12 13:06:02,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 13:06:02,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1234 transitions. [2020-10-12 13:06:02,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-10-12 13:06:02,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:02,187 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 13:06:02,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 13:06:02,187 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:02,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:02,188 INFO L82 PathProgramCache]: Analyzing trace with hash 342043265, now seen corresponding path program 1 times [2020-10-12 13:06:02,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:02,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1779596707] [2020-10-12 13:06:02,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:02,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:02,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:02,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:02,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:03,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:05,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:07,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:07,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 334 [2020-10-12 13:06:07,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 13:06:07,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-12 13:06:07,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-12 13:06:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-12 13:06:07,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:07,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:07,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:07,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:07,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:07,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:07,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:06:07,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:07,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:07,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:07,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:07,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:07,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:07,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:07,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:07,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:06:07,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:07,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 13:06:07,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:07,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:07,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:07,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:06:07,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 13:06:07,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 13:06:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:07,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:07,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:07,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 13:06:07,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:07,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-12 13:06:07,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:07,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:07,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:07,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 13:06:07,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:07,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 13:06:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:07,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:07,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:07,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 13:06:07,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:07,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-10-12 13:06:07,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:07,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:07,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:07,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-12 13:06:07,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:08,098 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 271 proven. 71 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-12 13:06:08,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1779596707] [2020-10-12 13:06:08,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:08,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 13:06:08,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742343844] [2020-10-12 13:06:08,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 13:06:08,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:08,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 13:06:08,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:06:08,104 INFO L87 Difference]: Start difference. First operand 1045 states and 1234 transitions. Second operand 8 states. [2020-10-12 13:06:09,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:09,932 INFO L93 Difference]: Finished difference Result 2909 states and 3649 transitions. [2020-10-12 13:06:09,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:06:09,933 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 320 [2020-10-12 13:06:09,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:09,948 INFO L225 Difference]: With dead ends: 2909 [2020-10-12 13:06:09,948 INFO L226 Difference]: Without dead ends: 1870 [2020-10-12 13:06:09,955 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-10-12 13:06:09,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1870 states. [2020-10-12 13:06:10,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1870 to 1659. [2020-10-12 13:06:10,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1659 states. [2020-10-12 13:06:10,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 1936 transitions. [2020-10-12 13:06:10,041 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 1936 transitions. Word has length 320 [2020-10-12 13:06:10,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:10,042 INFO L479 AbstractCegarLoop]: Abstraction has 1659 states and 1936 transitions. [2020-10-12 13:06:10,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 13:06:10,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 1936 transitions. [2020-10-12 13:06:10,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-10-12 13:06:10,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:10,059 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:10,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 13:06:10,060 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:10,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:10,060 INFO L82 PathProgramCache]: Analyzing trace with hash 450073258, now seen corresponding path program 1 times [2020-10-12 13:06:10,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:10,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [824685723] [2020-10-12 13:06:10,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:10,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:10,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:10,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:11,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:12,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:12,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 347 [2020-10-12 13:06:12,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:06:12,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2434 [2020-10-12 13:06:12,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:12,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:12,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-12 13:06:12,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 13:06:12,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:12,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:12,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:12,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:12,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:12,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:12,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:06:12,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:12,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:12,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:12,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:12,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:12,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:12,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:12,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:12,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:06:12,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:12,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-12 13:06:12,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:12,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:12,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:12,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:06:12,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:12,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 13:06:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:12,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:12,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:12,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-12 13:06:12,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:12,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-12 13:06:12,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:12,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:12,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:12,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-12 13:06:12,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 13:06:13,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-12 13:06:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:13,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:13,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:13,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 13:06:13,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:13,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-12 13:06:13,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:13,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:13,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-12 13:06:13,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:13,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:13,399 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 206 proven. 84 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-10-12 13:06:13,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [824685723] [2020-10-12 13:06:13,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:13,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:06:13,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404245856] [2020-10-12 13:06:13,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:06:13,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:13,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:06:13,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:06:13,405 INFO L87 Difference]: Start difference. First operand 1659 states and 1936 transitions. Second operand 7 states. [2020-10-12 13:06:15,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:15,038 INFO L93 Difference]: Finished difference Result 3932 states and 4650 transitions. [2020-10-12 13:06:15,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 13:06:15,039 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 333 [2020-10-12 13:06:15,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:15,047 INFO L225 Difference]: With dead ends: 3932 [2020-10-12 13:06:15,047 INFO L226 Difference]: Without dead ends: 1689 [2020-10-12 13:06:15,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-12 13:06:15,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2020-10-12 13:06:15,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1504. [2020-10-12 13:06:15,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1504 states. [2020-10-12 13:06:15,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1504 states and 1700 transitions. [2020-10-12 13:06:15,097 INFO L78 Accepts]: Start accepts. Automaton has 1504 states and 1700 transitions. Word has length 333 [2020-10-12 13:06:15,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:15,097 INFO L479 AbstractCegarLoop]: Abstraction has 1504 states and 1700 transitions. [2020-10-12 13:06:15,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:06:15,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 1700 transitions. [2020-10-12 13:06:15,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-10-12 13:06:15,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:15,107 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:15,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 13:06:15,107 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:15,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:15,108 INFO L82 PathProgramCache]: Analyzing trace with hash 606674978, now seen corresponding path program 1 times [2020-10-12 13:06:15,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:15,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257419594] [2020-10-12 13:06:15,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:15,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:16,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:16,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:16,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 383 [2020-10-12 13:06:16,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:06:16,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1055 [2020-10-12 13:06:16,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:16,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:16,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 334 [2020-10-12 13:06:16,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-12 13:06:16,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:16,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:16,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:16,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:16,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:16,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:16,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:06:16,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:16,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:16,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:16,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:16,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:16,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:16,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:16,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:16,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 13:06:16,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:16,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 13:06:16,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:16,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:16,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:16,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:16,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:16,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 13:06:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:16,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:16,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:16,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-12 13:06:16,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:16,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 13:06:16,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:16,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:16,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:16,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:16,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:16,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-12 13:06:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:16,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:16,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:16,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 13:06:16,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:16,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-12 13:06:16,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:16,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:16,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:16,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 13:06:16,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 129 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-12 13:06:16,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257419594] [2020-10-12 13:06:16,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:16,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:06:16,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055599778] [2020-10-12 13:06:16,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 13:06:16,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:16,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 13:06:16,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:06:16,832 INFO L87 Difference]: Start difference. First operand 1504 states and 1700 transitions. Second operand 6 states. [2020-10-12 13:06:18,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:18,349 INFO L93 Difference]: Finished difference Result 3449 states and 3958 transitions. [2020-10-12 13:06:18,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 13:06:18,352 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 369 [2020-10-12 13:06:18,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:18,353 INFO L225 Difference]: With dead ends: 3449 [2020-10-12 13:06:18,353 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 13:06:18,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:06:18,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 13:06:18,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 13:06:18,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 13:06:18,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 13:06:18,362 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 369 [2020-10-12 13:06:18,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:18,362 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 13:06:18,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 13:06:18,362 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 13:06:18,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 13:06:18,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 13:06:18,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 13:06:18,940 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 130 [2020-10-12 13:06:19,207 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 130 [2020-10-12 13:06:19,661 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 33 [2020-10-12 13:06:20,105 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 26 [2020-10-12 13:06:20,521 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 26 [2020-10-12 13:06:20,525 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:06:20,526 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)|)) [2020-10-12 13:06:20,526 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:06:20,526 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-12 13:06:20,526 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,527 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,527 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,527 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,527 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,527 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,528 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-12 13:06:20,528 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-12 13:06:20,528 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-12 13:06:20,528 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-12 13:06:20,528 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-12 13:06:20,528 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-12 13:06:20,528 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-12 13:06:20,529 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-12 13:06:20,529 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-12 13:06:20,529 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-12 13:06:20,529 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-12 13:06:20,529 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,529 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,529 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,530 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,530 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,530 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-12 13:06:20,530 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-12 13:06:20,530 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-12 13:06:20,530 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-12 13:06:20,530 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-12 13:06:20,530 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-12 13:06:20,531 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-12 13:06:20,531 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-12 13:06:20,531 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-12 13:06:20,531 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-12 13:06:20,531 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-12 13:06:20,531 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-12 13:06:20,531 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-12 13:06:20,532 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2020-10-12 13:06:20,532 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-12 13:06:20,532 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,532 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,532 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,532 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,532 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,532 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-12 13:06:20,533 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-12 13:06:20,533 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-12 13:06:20,533 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-12 13:06:20,533 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-12 13:06:20,533 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-12 13:06:20,533 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-12 13:06:20,533 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-12 13:06:20,533 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-12 13:06:20,533 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-12 13:06:20,534 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,534 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,534 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,534 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,534 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,534 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-12 13:06:20,534 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-12 13:06:20,534 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-12 13:06:20,534 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-12 13:06:20,535 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-12 13:06:20,535 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-12 13:06:20,535 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-12 13:06:20,535 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-12 13:06:20,535 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-12 13:06:20,535 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-12 13:06:20,535 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-12 13:06:20,535 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-12 13:06:20,536 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-12 13:06:20,536 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,536 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,536 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,536 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,536 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,536 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-12 13:06:20,536 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-12 13:06:20,537 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-12 13:06:20,537 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-12 13:06:20,537 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-12 13:06:20,537 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-12 13:06:20,537 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-12 13:06:20,537 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-12 13:06:20,537 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-12 13:06:20,537 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,537 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,538 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,538 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,538 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,538 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,538 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,538 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-12 13:06:20,538 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-12 13:06:20,538 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-12 13:06:20,538 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-12 13:06:20,539 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-12 13:06:20,539 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-12 13:06:20,539 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-12 13:06:20,539 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-12 13:06:20,539 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-12 13:06:20,539 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-12 13:06:20,539 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-12 13:06:20,539 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-12 13:06:20,540 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-12 13:06:20,540 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,540 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,540 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,540 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,540 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-12 13:06:20,540 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,540 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,541 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-12 13:06:20,541 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-12 13:06:20,541 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-12 13:06:20,541 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-12 13:06:20,541 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-12 13:06:20,541 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-12 13:06:20,541 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-12 13:06:20,542 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-12 13:06:20,542 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-12 13:06:20,542 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-12 13:06:20,542 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-12 13:06:20,542 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-12 13:06:20,542 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-12 13:06:20,542 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,542 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,542 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,543 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,543 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,543 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,543 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-12 13:06:20,543 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-12 13:06:20,543 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-12 13:06:20,543 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-12 13:06:20,543 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-12 13:06:20,543 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-12 13:06:20,544 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-12 13:06:20,544 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-12 13:06:20,544 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-12 13:06:20,544 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-12 13:06:20,544 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-12 13:06:20,544 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (not (<= 2 |old(~a10~0)|))) (.cse2 (not (<= |old(~a19~0)| 9))) (.cse3 (= 7 |old(~a19~0)|)) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~a10~0)| 2))) (or .cse0 (not (= |old(~a10~0)| 1))) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 (not (= 0 |old(~a10~0)|))))) [2020-10-12 13:06:20,544 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-12 13:06:20,544 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-12 13:06:20,545 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-12 13:06:20,545 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,545 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,545 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,545 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,545 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,545 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,545 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-12 13:06:20,546 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-12 13:06:20,546 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-12 13:06:20,546 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-12 13:06:20,546 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-12 13:06:20,546 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-12 13:06:20,546 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-12 13:06:20,546 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-12 13:06:20,546 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-12 13:06:20,547 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-12 13:06:20,547 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-12 13:06:20,547 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-12 13:06:20,547 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-12 13:06:20,547 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,547 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,547 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,547 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,547 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,548 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,548 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-12 13:06:20,548 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-12 13:06:20,548 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-12 13:06:20,548 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-12 13:06:20,548 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-12 13:06:20,548 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-12 13:06:20,548 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-12 13:06:20,548 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-12 13:06:20,548 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-12 13:06:20,549 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-12 13:06:20,549 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-12 13:06:20,549 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-12 13:06:20,549 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,549 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,549 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,549 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,549 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,549 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:20,549 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-12 13:06:20,550 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-12 13:06:20,550 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-12 13:06:20,550 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-12 13:06:20,550 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-12 13:06:20,550 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-12 13:06:20,550 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-12 13:06:20,550 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-12 13:06:20,550 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-12 13:06:20,551 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-12 13:06:20,551 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-12 13:06:20,551 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-12 13:06:20,551 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:06:20,551 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 9 ~a19~0) (= ~a10~0 0) (<= ~a19~0 9)) [2020-10-12 13:06:20,551 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 13:06:20,551 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:06:20,552 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|))) [2020-10-12 13:06:20,552 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-12 13:06:20,552 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 9)) (.cse2 (<= 2 ~a10~0)) (.cse0 (not (= 7 ~a19~0)))) (or (= ~a10~0 1) (not (<= 9 |old(~a19~0)|)) (and .cse0 .cse1 .cse2) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and (<= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 0) .cse0))) [2020-10-12 13:06:20,552 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-12 13:06:20,552 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-12 13:06:20,552 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 9)) (.cse2 (<= 2 ~a10~0)) (.cse0 (not (= 7 ~a19~0)))) (or (= ~a10~0 1) (not (<= 9 |old(~a19~0)|)) (and .cse0 .cse1 .cse2) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and (<= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 0) .cse0))) [2020-10-12 13:06:20,552 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-12 13:06:20,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 01:06:20 BoogieIcfgContainer [2020-10-12 13:06:20,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 13:06:20,575 INFO L168 Benchmark]: Toolchain (without parser) took 46331.76 ms. Allocated memory was 138.4 MB in the beginning and 896.5 MB in the end (delta: 758.1 MB). Free memory was 99.6 MB in the beginning and 231.2 MB in the end (delta: -131.5 MB). Peak memory consumption was 626.6 MB. Max. memory is 7.1 GB. [2020-10-12 13:06:20,576 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 13:06:20,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 824.18 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 99.4 MB in the beginning and 169.8 MB in the end (delta: -70.4 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2020-10-12 13:06:20,577 INFO L168 Benchmark]: Boogie Preprocessor took 138.22 ms. Allocated memory is still 203.9 MB. Free memory was 169.8 MB in the beginning and 164.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-12 13:06:20,578 INFO L168 Benchmark]: RCFGBuilder took 1322.19 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 164.9 MB in the beginning and 181.0 MB in the end (delta: -16.2 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2020-10-12 13:06:20,579 INFO L168 Benchmark]: TraceAbstraction took 44037.68 ms. Allocated memory was 234.4 MB in the beginning and 896.5 MB in the end (delta: 662.2 MB). Free memory was 179.6 MB in the beginning and 231.2 MB in the end (delta: -51.6 MB). Peak memory consumption was 610.6 MB. Max. memory is 7.1 GB. [2020-10-12 13:06:20,583 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 824.18 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 99.4 MB in the beginning and 169.8 MB in the end (delta: -70.4 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 138.22 ms. Allocated memory is still 203.9 MB. Free memory was 169.8 MB in the beginning and 164.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1322.19 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 164.9 MB in the beginning and 181.0 MB in the end (delta: -16.2 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 44037.68 ms. Allocated memory was 234.4 MB in the beginning and 896.5 MB in the end (delta: 662.2 MB). Free memory was 179.6 MB in the beginning and 231.2 MB in the end (delta: -51.6 MB). Peak memory consumption was 610.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: 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 == 1 || !(9 <= \old(a19))) || ((!(7 == a19) && a19 <= 9) && 2 <= a10)) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || ((a10 <= 2 && a19 <= 9) && 2 <= a10)) || (a10 == 0 && !(7 == a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 41.7s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 16.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 240 SDtfs, 4053 SDslu, 271 SDs, 0 SdLazy, 7954 SolverSat, 1501 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 12.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1659occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 1042 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 80 PreInvPairs, 118 NumberOfFragments, 237 HoareAnnotationTreeSize, 80 FomulaSimplifications, 234085 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 62237 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 22.6s InterpolantComputationTime, 2090 NumberOfCodeBlocks, 2090 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2081 ConstructedInterpolants, 0 QuantifiedInterpolants, 1450306 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 1654/1859 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...