/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label47.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:30:14,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:30:14,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:30:14,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:30:14,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:30:14,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:30:14,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:30:14,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:30:14,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:30:14,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:30:14,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:30:14,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:30:14,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:30:14,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:30:14,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:30:14,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:30:14,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:30:14,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:30:14,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:30:14,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:30:14,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:30:14,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:30:14,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:30:14,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:30:14,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:30:14,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:30:14,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:30:14,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:30:14,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:30:14,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:30:14,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:30:14,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:30:14,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:30:14,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:30:14,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:30:14,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:30:14,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:30:14,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:30:14,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:30:14,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:30:14,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:30:14,904 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 [2020-09-21 12:30:14,932 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:30:14,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:30:14,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:30:14,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:30:14,936 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:30:14,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:30:14,937 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:30:14,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:30:14,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:30:14,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:30:14,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:30:14,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:30:14,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:30:14,941 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:30:14,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:30:14,942 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:30:14,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:30:14,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:30:14,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:30:14,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:30:14,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:30:14,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:30:14,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:30:14,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:30:14,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:30:14,947 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:30:14,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:30:14,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:30:14,947 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:30:14,947 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.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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:30:15,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:30:15,491 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:30:15,496 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:30:15,498 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:30:15,498 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:30:15,500 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label47.c [2020-09-21 12:30:15,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/531d30752/2aee582fb3054c0288676ac1574f9a63/FLAGaf6a09068 [2020-09-21 12:30:16,215 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:30:16,216 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label47.c [2020-09-21 12:30:16,229 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/531d30752/2aee582fb3054c0288676ac1574f9a63/FLAGaf6a09068 [2020-09-21 12:30:16,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/531d30752/2aee582fb3054c0288676ac1574f9a63 [2020-09-21 12:30:16,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:30:16,454 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:30:16,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:30:16,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:30:16,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:30:16,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:30:16" (1/1) ... [2020-09-21 12:30:16,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1058f97b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:16, skipping insertion in model container [2020-09-21 12:30:16,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:30:16" (1/1) ... [2020-09-21 12:30:16,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:30:16,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:30:16,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:30:16,998 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:30:17,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:30:17,295 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:30:17,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:17 WrapperNode [2020-09-21 12:30:17,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:30:17,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:30:17,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:30:17,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:30:17,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:17" (1/1) ... [2020-09-21 12:30:17,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:17" (1/1) ... [2020-09-21 12:30:17,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:17" (1/1) ... [2020-09-21 12:30:17,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:17" (1/1) ... [2020-09-21 12:30:17,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:17" (1/1) ... [2020-09-21 12:30:17,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:17" (1/1) ... [2020-09-21 12:30:17,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:17" (1/1) ... [2020-09-21 12:30:17,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:30:17,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:30:17,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:30:17,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:30:17,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:17" (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 [2020-09-21 12:30:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:30:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:30:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 12:30:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:30:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 12:30:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:30:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:30:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:30:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:30:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:30:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:30:18,798 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:30:18,799 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 12:30:18,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:30:18 BoogieIcfgContainer [2020-09-21 12:30:18,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:30:18,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:30:18,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:30:18,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:30:18,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:30:16" (1/3) ... [2020-09-21 12:30:18,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60617e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:30:18, skipping insertion in model container [2020-09-21 12:30:18,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:17" (2/3) ... [2020-09-21 12:30:18,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60617e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:30:18, skipping insertion in model container [2020-09-21 12:30:18,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:30:18" (3/3) ... [2020-09-21 12:30:18,825 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label47.c [2020-09-21 12:30:18,837 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:30:18,853 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:30:18,875 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:30:18,909 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:30:18,909 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:30:18,909 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:30:18,909 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:30:18,910 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:30:18,910 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:30:18,910 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:30:18,910 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:30:18,936 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-21 12:30:18,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-09-21 12:30:18,952 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:18,953 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:18,954 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:18,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:18,960 INFO L82 PathProgramCache]: Analyzing trace with hash -681714095, now seen corresponding path program 1 times [2020-09-21 12:30:18,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:18,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1990559666] [2020-09-21 12:30:18,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:19,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:19,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:20,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:20,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 12:30:20,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:30:20,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1021 [2020-09-21 12:30:20,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:20,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:30:20,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:30:20,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-21 12:30:20,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 12:30:20,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:20,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:20,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:20,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:20,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:20,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:30:20,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:20,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:20,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:20,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:30:20,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:20,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:30:20,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1990559666] [2020-09-21 12:30:20,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:30:20,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:30:20,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259816331] [2020-09-21 12:30:20,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:30:20,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:20,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:30:20,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:30:20,671 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-09-21 12:30:22,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:22,675 INFO L93 Difference]: Finished difference Result 662 states and 1113 transitions. [2020-09-21 12:30:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:30:22,679 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2020-09-21 12:30:22,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:22,705 INFO L225 Difference]: With dead ends: 662 [2020-09-21 12:30:22,705 INFO L226 Difference]: Without dead ends: 341 [2020-09-21 12:30:22,715 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:30:22,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2020-09-21 12:30:22,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 337. [2020-09-21 12:30:22,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-09-21 12:30:22,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 488 transitions. [2020-09-21 12:30:22,835 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 488 transitions. Word has length 113 [2020-09-21 12:30:22,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:22,836 INFO L479 AbstractCegarLoop]: Abstraction has 337 states and 488 transitions. [2020-09-21 12:30:22,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:30:22,837 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 488 transitions. [2020-09-21 12:30:22,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-09-21 12:30:22,843 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:22,844 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:22,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:30:22,844 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:22,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:22,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1310105962, now seen corresponding path program 1 times [2020-09-21 12:30:22,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:22,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200573827] [2020-09-21 12:30:22,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:23,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:23,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:23,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:23,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:23,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-21 12:30:23,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:23,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1019 [2020-09-21 12:30:23,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:23,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:23,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:30:23,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-09-21 12:30:23,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:24,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:24,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:24,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:24,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:24,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:24,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:30:24,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:24,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:24,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:24,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:24,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 12:30:24,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:24,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:24,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:24,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:30:24,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:24,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:30:24,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:24,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:24,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:30:24,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:30:24,224 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:30:24,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200573827] [2020-09-21 12:30:24,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:24,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:30:24,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943566562] [2020-09-21 12:30:24,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:30:24,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:24,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:30:24,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:30:24,233 INFO L87 Difference]: Start difference. First operand 337 states and 488 transitions. Second operand 5 states. [2020-09-21 12:30:25,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:25,727 INFO L93 Difference]: Finished difference Result 967 states and 1432 transitions. [2020-09-21 12:30:25,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:30:25,728 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2020-09-21 12:30:25,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:25,741 INFO L225 Difference]: With dead ends: 967 [2020-09-21 12:30:25,741 INFO L226 Difference]: Without dead ends: 636 [2020-09-21 12:30:25,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:30:25,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-09-21 12:30:25,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 632. [2020-09-21 12:30:25,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-09-21 12:30:25,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 878 transitions. [2020-09-21 12:30:25,791 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 878 transitions. Word has length 121 [2020-09-21 12:30:25,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:25,792 INFO L479 AbstractCegarLoop]: Abstraction has 632 states and 878 transitions. [2020-09-21 12:30:25,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:30:25,792 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 878 transitions. [2020-09-21 12:30:25,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-09-21 12:30:25,798 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:25,798 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:25,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:30:25,799 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:25,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:25,799 INFO L82 PathProgramCache]: Analyzing trace with hash -925959461, now seen corresponding path program 1 times [2020-09-21 12:30:25,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:25,800 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2094594556] [2020-09-21 12:30:25,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:25,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:25,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:26,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:26,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:26,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-21 12:30:26,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:26,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-21 12:30:26,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:26,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:26,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:30:26,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:30:26,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:26,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:26,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:26,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:26,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:26,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:26,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:30:26,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:26,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:26,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:26,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:26,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:26,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:26,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:26,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:26,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:30:26,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:26,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:30:26,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:26,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:26,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:26,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:30:26,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:26,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 12:30:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:26,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:27,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:27,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:30:27,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:27,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 12:30:27,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:27,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:27,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:30:27,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 12:30:27,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:27,064 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:30:27,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2094594556] [2020-09-21 12:30:27,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:27,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 12:30:27,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410399020] [2020-09-21 12:30:27,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:30:27,068 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:27,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:30:27,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:30:27,069 INFO L87 Difference]: Start difference. First operand 632 states and 878 transitions. Second operand 8 states. [2020-09-21 12:30:29,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:29,627 INFO L93 Difference]: Finished difference Result 1918 states and 2819 transitions. [2020-09-21 12:30:29,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 12:30:29,630 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 130 [2020-09-21 12:30:29,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:29,644 INFO L225 Difference]: With dead ends: 1918 [2020-09-21 12:30:29,644 INFO L226 Difference]: Without dead ends: 1292 [2020-09-21 12:30:29,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 12:30:29,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2020-09-21 12:30:29,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1232. [2020-09-21 12:30:29,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1232 states. [2020-09-21 12:30:29,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1605 transitions. [2020-09-21 12:30:29,743 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1605 transitions. Word has length 130 [2020-09-21 12:30:29,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:29,744 INFO L479 AbstractCegarLoop]: Abstraction has 1232 states and 1605 transitions. [2020-09-21 12:30:29,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:30:29,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1605 transitions. [2020-09-21 12:30:29,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-21 12:30:29,753 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:29,753 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:29,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:30:29,754 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:29,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:29,755 INFO L82 PathProgramCache]: Analyzing trace with hash -380428913, now seen corresponding path program 1 times [2020-09-21 12:30:29,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:29,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [532044230] [2020-09-21 12:30:29,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:29,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:29,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:30,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:30,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:30,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-09-21 12:30:30,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:30,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:30:30,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:30,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:30,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 12:30:30,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:30:30,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:30,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:30,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:30,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:30,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:30,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:30,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:30:30,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:30,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:30,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:30,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:30,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:30,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:30,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:30,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:30,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:30:30,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:30,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 12:30:30,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:30,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:30,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:30,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 12:30:30,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:30,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:30:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:30,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:31,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:31,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:30:31,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:31,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 12:30:31,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:31,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:31,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:30:31,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 12:30:31,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:30:31,090 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:30:31,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [532044230] [2020-09-21 12:30:31,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:31,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:30:31,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654623816] [2020-09-21 12:30:31,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:30:31,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:31,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:30:31,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:30:31,097 INFO L87 Difference]: Start difference. First operand 1232 states and 1605 transitions. Second operand 7 states. [2020-09-21 12:30:33,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:33,730 INFO L93 Difference]: Finished difference Result 3046 states and 4010 transitions. [2020-09-21 12:30:33,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:30:33,731 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2020-09-21 12:30:33,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:33,751 INFO L225 Difference]: With dead ends: 3046 [2020-09-21 12:30:33,751 INFO L226 Difference]: Without dead ends: 1820 [2020-09-21 12:30:33,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:30:33,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2020-09-21 12:30:33,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1658. [2020-09-21 12:30:33,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1658 states. [2020-09-21 12:30:33,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 2029 transitions. [2020-09-21 12:30:33,859 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 2029 transitions. Word has length 136 [2020-09-21 12:30:33,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:33,860 INFO L479 AbstractCegarLoop]: Abstraction has 1658 states and 2029 transitions. [2020-09-21 12:30:33,861 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:30:33,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 2029 transitions. [2020-09-21 12:30:33,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-09-21 12:30:33,867 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:33,868 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:33,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:30:33,868 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:33,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:33,869 INFO L82 PathProgramCache]: Analyzing trace with hash 313178237, now seen corresponding path program 1 times [2020-09-21 12:30:33,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:33,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1326819060] [2020-09-21 12:30:33,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:33,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:34,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:34,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:34,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-09-21 12:30:34,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:30:34,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:30:34,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:34,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:34,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-21 12:30:34,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 12:30:34,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:35,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:35,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:35,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:35,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:35,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:35,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:30:35,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:35,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:35,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:35,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:35,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:35,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:35,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:35,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:35,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 12:30:35,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:35,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 12:30:35,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:35,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:35,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:35,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 12:30:35,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:35,238 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:30:35,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1326819060] [2020-09-21 12:30:35,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:35,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:30:35,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128944351] [2020-09-21 12:30:35,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:30:35,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:35,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:30:35,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:30:35,241 INFO L87 Difference]: Start difference. First operand 1658 states and 2029 transitions. Second operand 5 states. [2020-09-21 12:30:36,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:36,642 INFO L93 Difference]: Finished difference Result 2834 states and 3433 transitions. [2020-09-21 12:30:36,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:30:36,643 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2020-09-21 12:30:36,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:36,655 INFO L225 Difference]: With dead ends: 2834 [2020-09-21 12:30:36,656 INFO L226 Difference]: Without dead ends: 1672 [2020-09-21 12:30:36,660 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:30:36,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-09-21 12:30:36,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1658. [2020-09-21 12:30:36,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1658 states. [2020-09-21 12:30:36,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 2008 transitions. [2020-09-21 12:30:36,743 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 2008 transitions. Word has length 137 [2020-09-21 12:30:36,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:36,743 INFO L479 AbstractCegarLoop]: Abstraction has 1658 states and 2008 transitions. [2020-09-21 12:30:36,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:30:36,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 2008 transitions. [2020-09-21 12:30:36,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-09-21 12:30:36,752 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:36,752 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:36,753 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:30:36,753 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:36,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:36,754 INFO L82 PathProgramCache]: Analyzing trace with hash -861534168, now seen corresponding path program 1 times [2020-09-21 12:30:36,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:36,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [991798280] [2020-09-21 12:30:36,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:36,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:36,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:37,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:37,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:37,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-09-21 12:30:37,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:37,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:30:37,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:37,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:37,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-09-21 12:30:37,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-21 12:30:37,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:37,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:37,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:37,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:37,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:37,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:37,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:30:37,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:37,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:37,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:37,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:37,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:38,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:38,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:38,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:38,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:30:38,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:38,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:30:38,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:38,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:38,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:38,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:38,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:38,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 12:30:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:38,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:38,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:38,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:30:38,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:38,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 12:30:38,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:38,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:38,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:38,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 12:30:38,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:38,179 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-21 12:30:38,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [991798280] [2020-09-21 12:30:38,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:38,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:30:38,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267048435] [2020-09-21 12:30:38,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:30:38,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:38,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:30:38,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:30:38,183 INFO L87 Difference]: Start difference. First operand 1658 states and 2008 transitions. Second operand 5 states. [2020-09-21 12:30:38,609 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-09-21 12:30:39,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:39,351 INFO L93 Difference]: Finished difference Result 2839 states and 3405 transitions. [2020-09-21 12:30:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:30:39,351 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2020-09-21 12:30:39,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:39,360 INFO L225 Difference]: With dead ends: 2839 [2020-09-21 12:30:39,360 INFO L226 Difference]: Without dead ends: 1672 [2020-09-21 12:30:39,363 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 [2020-09-21 12:30:39,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-09-21 12:30:39,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1658. [2020-09-21 12:30:39,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1658 states. [2020-09-21 12:30:39,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 2006 transitions. [2020-09-21 12:30:39,413 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 2006 transitions. Word has length 144 [2020-09-21 12:30:39,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:39,414 INFO L479 AbstractCegarLoop]: Abstraction has 1658 states and 2006 transitions. [2020-09-21 12:30:39,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:30:39,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 2006 transitions. [2020-09-21 12:30:39,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-21 12:30:39,420 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:39,420 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:30:39,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:30:39,421 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:39,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:39,421 INFO L82 PathProgramCache]: Analyzing trace with hash -806002149, now seen corresponding path program 1 times [2020-09-21 12:30:39,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:39,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [190048533] [2020-09-21 12:30:39,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:39,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:39,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:40,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:40,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:40,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-21 12:30:40,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:40,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1028 [2020-09-21 12:30:40,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:40,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:40,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 12:30:40,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 12:30:40,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:40,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:40,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:40,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:40,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:40,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:40,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:30:40,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:40,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:40,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:40,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:40,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:40,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:40,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:40,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:40,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:30:40,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:40,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:30:40,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:40,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:40,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:40,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:30:40,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:40,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 12:30:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:40,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:40,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:40,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 12:30:40,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:40,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-09-21 12:30:40,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:40,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:40,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:30:40,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 12:30:40,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:40,989 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:30:40,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [190048533] [2020-09-21 12:30:40,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:40,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:30:40,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346591091] [2020-09-21 12:30:40,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:30:40,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:40,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:30:40,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:30:40,992 INFO L87 Difference]: Start difference. First operand 1658 states and 2006 transitions. Second operand 7 states. [2020-09-21 12:30:42,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:42,483 INFO L93 Difference]: Finished difference Result 4842 states and 6182 transitions. [2020-09-21 12:30:42,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:30:42,484 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 192 [2020-09-21 12:30:42,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:42,503 INFO L225 Difference]: With dead ends: 4842 [2020-09-21 12:30:42,503 INFO L226 Difference]: Without dead ends: 3194 [2020-09-21 12:30:42,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:30:42,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3194 states. [2020-09-21 12:30:42,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3194 to 2840. [2020-09-21 12:30:42,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2840 states. [2020-09-21 12:30:42,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2840 states and 3417 transitions. [2020-09-21 12:30:42,645 INFO L78 Accepts]: Start accepts. Automaton has 2840 states and 3417 transitions. Word has length 192 [2020-09-21 12:30:42,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:42,645 INFO L479 AbstractCegarLoop]: Abstraction has 2840 states and 3417 transitions. [2020-09-21 12:30:42,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:30:42,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 3417 transitions. [2020-09-21 12:30:42,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-21 12:30:42,657 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:42,657 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:30:42,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:30:42,658 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:42,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:42,658 INFO L82 PathProgramCache]: Analyzing trace with hash 836695284, now seen corresponding path program 1 times [2020-09-21 12:30:42,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:42,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871469083] [2020-09-21 12:30:42,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:42,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:42,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:42,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:43,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:43,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:43,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:43,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-09-21 12:30:43,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-21 12:30:43,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1023 [2020-09-21 12:30:43,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:43,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:43,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-21 12:30:43,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 12:30:43,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:43,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:43,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:43,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:43,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:43,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:43,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:30:43,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:43,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:43,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:43,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:43,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:43,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:43,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:43,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:43,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:30:43,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:43,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:30:43,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:43,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:43,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:43,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:43,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:43,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 12:30:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:43,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:43,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:43,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:30:43,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:43,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:30:43,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:43,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:43,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:43,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:30:43,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:43,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 12:30:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:43,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:44,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:44,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-21 12:30:44,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:44,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-09-21 12:30:44,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:44,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:44,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:30:44,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 12:30:44,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:44,193 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-21 12:30:44,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871469083] [2020-09-21 12:30:44,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:44,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:30:44,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665234148] [2020-09-21 12:30:44,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:30:44,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:44,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:30:44,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:30:44,196 INFO L87 Difference]: Start difference. First operand 2840 states and 3417 transitions. Second operand 7 states. [2020-09-21 12:30:45,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:45,696 INFO L93 Difference]: Finished difference Result 5843 states and 7041 transitions. [2020-09-21 12:30:45,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:30:45,700 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 208 [2020-09-21 12:30:45,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:45,716 INFO L225 Difference]: With dead ends: 5843 [2020-09-21 12:30:45,716 INFO L226 Difference]: Without dead ends: 3013 [2020-09-21 12:30:45,726 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:30:45,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3013 states. [2020-09-21 12:30:45,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3013 to 1842. [2020-09-21 12:30:45,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1842 states. [2020-09-21 12:30:45,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 2082 transitions. [2020-09-21 12:30:45,789 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 2082 transitions. Word has length 208 [2020-09-21 12:30:45,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:45,790 INFO L479 AbstractCegarLoop]: Abstraction has 1842 states and 2082 transitions. [2020-09-21 12:30:45,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:30:45,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2082 transitions. [2020-09-21 12:30:45,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-09-21 12:30:45,799 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:45,800 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:45,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 12:30:45,801 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:45,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:45,801 INFO L82 PathProgramCache]: Analyzing trace with hash -820019839, now seen corresponding path program 1 times [2020-09-21 12:30:45,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:45,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [122460055] [2020-09-21 12:30:45,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:45,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:45,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:46,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:46,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:46,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:46,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-21 12:30:46,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:30:46,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1038 [2020-09-21 12:30:46,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:46,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:46,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 12:30:46,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:30:46,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:46,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:46,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:46,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:46,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:46,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:46,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:30:46,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:46,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:46,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:46,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:46,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:46,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:46,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:46,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:46,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:30:46,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:46,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:30:46,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:46,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:46,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:30:46,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:46,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 12:30:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:47,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:47,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:47,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:30:47,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:47,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 12:30:47,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:47,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:47,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:30:47,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 12:30:47,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:47,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-21 12:30:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:47,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:47,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:47,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:30:47,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:47,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:30:47,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:47,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:47,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-21 12:30:47,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:47,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:47,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 12:30:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:47,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:47,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:47,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 12:30:47,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:47,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 12:30:47,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:47,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:47,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 12:30:47,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:47,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:47,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 12:30:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:47,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:47,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:47,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 12:30:47,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:47,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 12:30:47,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:47,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:47,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-21 12:30:47,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:47,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:47,254 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-09-21 12:30:47,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [122460055] [2020-09-21 12:30:47,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:47,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:30:47,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005449233] [2020-09-21 12:30:47,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:30:47,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:47,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:30:47,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:30:47,262 INFO L87 Difference]: Start difference. First operand 1842 states and 2082 transitions. Second operand 7 states. [2020-09-21 12:30:48,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:48,894 INFO L93 Difference]: Finished difference Result 4137 states and 4741 transitions. [2020-09-21 12:30:48,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:30:48,898 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 233 [2020-09-21 12:30:48,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:48,907 INFO L225 Difference]: With dead ends: 4137 [2020-09-21 12:30:48,907 INFO L226 Difference]: Without dead ends: 1995 [2020-09-21 12:30:48,913 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:30:48,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1995 states. [2020-09-21 12:30:48,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1995 to 1985. [2020-09-21 12:30:48,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1985 states. [2020-09-21 12:30:48,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2198 transitions. [2020-09-21 12:30:48,969 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2198 transitions. Word has length 233 [2020-09-21 12:30:48,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:48,970 INFO L479 AbstractCegarLoop]: Abstraction has 1985 states and 2198 transitions. [2020-09-21 12:30:48,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:30:48,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2198 transitions. [2020-09-21 12:30:48,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-09-21 12:30:48,978 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:48,978 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:48,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 12:30:48,979 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:48,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:48,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1442026916, now seen corresponding path program 1 times [2020-09-21 12:30:48,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:48,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [572188652] [2020-09-21 12:30:48,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:49,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:49,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:49,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:49,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:49,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:50,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:50,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-09-21 12:30:50,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-21 12:30:50,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-09-21 12:30:50,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:50,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:50,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-21 12:30:50,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 12:30:50,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:50,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:50,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:50,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:50,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:50,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:50,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:30:50,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:50,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:50,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:50,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:50,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:50,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:50,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:50,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:50,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:30:50,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:50,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:30:50,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:50,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:50,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:50,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 12:30:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:50,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:50,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:50,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:30:50,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:50,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:30:50,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:50,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:50,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:50,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:30:50,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:50,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 12:30:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:50,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:50,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:50,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-21 12:30:50,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:50,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-21 12:30:50,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:50,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:50,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:30:50,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 12:30:50,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:50,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 12:30:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:50,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:50,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:50,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-21 12:30:50,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:50,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 12:30:50,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:50,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:50,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-21 12:30:50,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:50,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:50,480 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 159 proven. 46 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-21 12:30:50,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [572188652] [2020-09-21 12:30:50,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:50,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:30:50,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33060653] [2020-09-21 12:30:50,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:30:50,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:50,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:30:50,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:30:50,483 INFO L87 Difference]: Start difference. First operand 1985 states and 2198 transitions. Second operand 7 states. [2020-09-21 12:30:51,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:51,915 INFO L93 Difference]: Finished difference Result 4448 states and 5061 transitions. [2020-09-21 12:30:51,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:30:51,916 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 258 [2020-09-21 12:30:51,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:51,917 INFO L225 Difference]: With dead ends: 4448 [2020-09-21 12:30:51,917 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:30:51,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:30:51,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:30:51,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:30:51,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:30:51,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:30:51,930 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 258 [2020-09-21 12:30:51,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:51,930 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:30:51,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:30:51,931 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:30:51,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:30:51,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 12:30:51,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:30:54,593 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 159 [2020-09-21 12:30:55,443 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 159 [2020-09-21 12:30:56,688 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 163 DAG size of output: 74 [2020-09-21 12:30:57,463 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 48 [2020-09-21 12:30:58,213 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 48 [2020-09-21 12:30:58,219 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:30:58,220 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-09-21 12:30:58,220 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:30:58,220 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,220 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,220 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,221 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,221 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,221 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-21 12:30:58,221 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-21 12:30:58,221 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-21 12:30:58,221 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-21 12:30:58,221 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-21 12:30:58,221 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 12:30:58,222 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-21 12:30:58,222 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-21 12:30:58,222 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-21 12:30:58,222 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-21 12:30:58,222 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-21 12:30:58,222 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-21 12:30:58,222 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-21 12:30:58,222 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,222 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,222 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,222 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,223 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-21 12:30:58,223 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,223 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-21 12:30:58,223 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 12:30:58,223 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 12:30:58,223 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 12:30:58,223 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-21 12:30:58,223 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-21 12:30:58,223 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-21 12:30:58,223 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:30:58,224 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:30:58,224 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-21 12:30:58,224 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-21 12:30:58,224 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-21 12:30:58,224 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-21 12:30:58,224 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-21 12:30:58,224 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-21 12:30:58,224 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,224 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,225 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,225 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,225 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,225 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 493) no Hoare annotation was computed. [2020-09-21 12:30:58,225 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-21 12:30:58,225 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-21 12:30:58,225 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-21 12:30:58,226 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 12:30:58,226 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-21 12:30:58,226 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-21 12:30:58,226 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-21 12:30:58,226 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-21 12:30:58,226 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-21 12:30:58,226 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-21 12:30:58,226 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-21 12:30:58,227 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,227 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,227 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,227 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,227 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,227 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-21 12:30:58,227 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-21 12:30:58,227 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-21 12:30:58,227 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-21 12:30:58,228 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 12:30:58,228 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-21 12:30:58,228 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-21 12:30:58,228 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-21 12:30:58,228 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-21 12:30:58,228 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-21 12:30:58,228 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-21 12:30:58,229 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-21 12:30:58,229 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-21 12:30:58,229 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,229 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,229 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,229 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,229 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,229 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-21 12:30:58,230 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 12:30:58,230 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-21 12:30:58,230 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-21 12:30:58,230 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 12:30:58,230 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-21 12:30:58,230 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-21 12:30:58,230 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-21 12:30:58,230 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-21 12:30:58,231 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-21 12:30:58,231 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-21 12:30:58,231 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-21 12:30:58,231 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-21 12:30:58,231 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-21 12:30:58,231 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-21 12:30:58,231 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-21 12:30:58,231 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,232 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,232 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,232 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,232 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-21 12:30:58,232 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,232 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-21 12:30:58,232 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,232 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-21 12:30:58,232 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-21 12:30:58,233 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-21 12:30:58,233 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,233 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,233 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-21 12:30:58,233 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-21 12:30:58,233 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-21 12:30:58,233 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-21 12:30:58,233 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 12:30:58,233 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 12:30:58,234 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-21 12:30:58,234 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-21 12:30:58,234 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-21 12:30:58,234 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-21 12:30:58,234 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-21 12:30:58,234 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,234 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,234 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,234 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,235 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,235 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,235 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-21 12:30:58,235 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-21 12:30:58,235 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-21 12:30:58,235 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-21 12:30:58,235 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 12:30:58,235 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 12:30:58,235 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 12:30:58,236 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-21 12:30:58,236 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-21 12:30:58,236 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-21 12:30:58,236 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-21 12:30:58,236 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,236 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,236 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,236 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,236 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,237 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,237 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-21 12:30:58,237 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-21 12:30:58,237 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-21 12:30:58,237 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 12:30:58,237 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 12:30:58,237 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-21 12:30:58,237 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 12:30:58,237 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 12:30:58,237 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 12:30:58,238 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-21 12:30:58,238 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-21 12:30:58,238 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-21 12:30:58,238 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-21 12:30:58,238 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-21 12:30:58,238 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,238 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,238 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,239 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse6 (= ~a28~0 |old(~a28~0)|)) (.cse7 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (let ((.cse9 (not (<= 9 |old(~a28~0)|))) (.cse12 (and .cse6 .cse7 .cse2 (= ~a17~0 8) .cse3)) (.cse13 (not (= 8 |old(~a17~0)|))) (.cse8 (not (<= |old(~a11~0)| 0))) (.cse11 (not (<= |old(~a28~0)| 9))) (.cse14 (not (<= 1 |old(~a11~0)|))) (.cse0 (not (= 10 |old(~a28~0)|))) (.cse10 (not (<= |old(~a11~0)| 1))) (.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a28~0 10)) (.cse5 (not (= |old(~a19~0)| 1)))) (and (or .cse0 (not (= 7 |old(~a17~0)|)) (not (= |old(~a19~0)| |old(~a25~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse1 (<= 1 ~a11~0) .cse2 (<= ~a11~0 1) .cse3 .cse4) (not (= ~a21~0 1)) (not (= |old(~a11~0)| 1))) (or .cse5 (and .cse6 .cse1 .cse7 .cse2 .cse3) .cse8 .cse9) (or .cse10 .cse11 (and .cse1 (<= 9 ~a28~0) .cse7 .cse2 (<= ~a28~0 9) .cse3) .cse9) (or .cse10 .cse12 .cse13 .cse11 .cse14) (or .cse12 .cse13 .cse8) (or .cse10 .cse11 .cse14 (and .cse1 .cse7 .cse2 (= 7 ~a28~0) .cse3) (not (= 7 |old(~a28~0)|))) (or .cse0 .cse10 (and .cse1 .cse7 .cse2 .cse3 .cse4) .cse5)))) [2020-09-21 12:30:58,239 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,239 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,239 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,239 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-21 12:30:58,239 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-21 12:30:58,240 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-21 12:30:58,240 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-21 12:30:58,240 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-21 12:30:58,240 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-21 12:30:58,240 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 12:30:58,240 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 12:30:58,240 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 12:30:58,240 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-21 12:30:58,241 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-21 12:30:58,241 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-21 12:30:58,241 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-21 12:30:58,241 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,241 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,241 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,241 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,241 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,241 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,242 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-21 12:30:58,242 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-21 12:30:58,242 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-21 12:30:58,242 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-21 12:30:58,242 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-21 12:30:58,242 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 12:30:58,242 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 12:30:58,242 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-21 12:30:58,242 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-21 12:30:58,242 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-21 12:30:58,243 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-21 12:30:58,243 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-21 12:30:58,243 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-21 12:30:58,243 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-21 12:30:58,243 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-21 12:30:58,243 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-21 12:30:58,243 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,243 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,243 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,243 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,244 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:58,244 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-21 12:30:58,244 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-21 12:30:58,244 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-21 12:30:58,244 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-21 12:30:58,244 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-21 12:30:58,244 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-21 12:30:58,244 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-21 12:30:58,244 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 12:30:58,245 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 12:30:58,245 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-21 12:30:58,245 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-21 12:30:58,245 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-21 12:30:58,245 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-21 12:30:58,245 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-21 12:30:58,245 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-21 12:30:58,245 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-21 12:30:58,245 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-21 12:30:58,246 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-21 12:30:58,246 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-21 12:30:58,246 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:30:58,246 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a19~0 1) (= ~a17~0 8) (= 7 ~a28~0)) [2020-09-21 12:30:58,246 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:30:58,246 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:30:58,246 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (and (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a11~0)| 0))) [2020-09-21 12:30:58,247 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse6 (<= 1 ~a11~0)) (.cse4 (<= ~a11~0 1)) (.cse7 (<= ~a17~0 |old(~a17~0)|)) (.cse2 (<= ~a28~0 9)) (.cse5 (= ~a28~0 10)) (.cse0 (<= ~a11~0 0)) (.cse3 (= ~a19~0 1)) (.cse1 (= ~a17~0 8))) (or (and .cse0 .cse1 .cse2) (not (= |old(~a19~0)| 1)) (and .cse3 .cse4 .cse5) (and .cse6 .cse4 .cse7 (= 7 ~a28~0)) (not (= 8 |old(~a17~0)|)) (and .cse6 (<= 9 ~a28~0) .cse4 .cse7 .cse2) (and .cse0 .cse1 .cse5) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a11~0)| 0)) (and (= 7 ~a17~0) (= ~a25~0 0) (= ~a21~0 1) (= ~a11~0 1) (= ~a25~0 ~a19~0) .cse5) (and .cse0 .cse3 .cse1))) [2020-09-21 12:30:58,247 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-21 12:30:58,247 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-21 12:30:58,247 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse6 (<= 1 ~a11~0)) (.cse4 (<= ~a11~0 1)) (.cse7 (<= ~a17~0 |old(~a17~0)|)) (.cse2 (<= ~a28~0 9)) (.cse5 (= ~a28~0 10)) (.cse0 (<= ~a11~0 0)) (.cse3 (= ~a19~0 1)) (.cse1 (= ~a17~0 8))) (or (and .cse0 .cse1 .cse2) (not (= |old(~a19~0)| 1)) (and .cse3 .cse4 .cse5) (and .cse6 .cse4 .cse7 (= 7 ~a28~0)) (not (= 8 |old(~a17~0)|)) (and .cse6 (<= 9 ~a28~0) .cse4 .cse7 .cse2) (and .cse0 .cse1 .cse5) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a11~0)| 0)) (and (= 7 ~a17~0) (= ~a25~0 0) (= ~a21~0 1) (= ~a11~0 1) (= ~a25~0 ~a19~0) .cse5) (and .cse0 .cse3 .cse1))) [2020-09-21 12:30:58,247 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-21 12:30:58,247 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-21 12:30:58,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:30:58 BoogieIcfgContainer [2020-09-21 12:30:58,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:30:58,278 INFO L168 Benchmark]: Toolchain (without parser) took 41826.80 ms. Allocated memory was 137.4 MB in the beginning and 700.4 MB in the end (delta: 563.1 MB). Free memory was 99.4 MB in the beginning and 87.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 588.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:58,278 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-21 12:30:58,279 INFO L168 Benchmark]: CACSL2BoogieTranslator took 841.06 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 98.7 MB in the beginning and 169.4 MB in the end (delta: -70.7 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:58,280 INFO L168 Benchmark]: Boogie Preprocessor took 117.19 ms. Allocated memory is still 202.4 MB. Free memory was 169.4 MB in the beginning and 164.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:58,281 INFO L168 Benchmark]: RCFGBuilder took 1397.68 ms. Allocated memory was 202.4 MB in the beginning and 231.2 MB in the end (delta: 28.8 MB). Free memory was 164.3 MB in the beginning and 179.7 MB in the end (delta: -15.4 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:58,282 INFO L168 Benchmark]: TraceAbstraction took 39461.44 ms. Allocated memory was 231.2 MB in the beginning and 700.4 MB in the end (delta: 469.2 MB). Free memory was 179.7 MB in the beginning and 87.9 MB in the end (delta: 91.7 MB). Peak memory consumption was 575.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:58,285 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 841.06 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 98.7 MB in the beginning and 169.4 MB in the end (delta: -70.7 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.19 ms. Allocated memory is still 202.4 MB. Free memory was 169.4 MB in the beginning and 164.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1397.68 ms. Allocated memory was 202.4 MB in the beginning and 231.2 MB in the end (delta: 28.8 MB). Free memory was 164.3 MB in the beginning and 179.7 MB in the end (delta: -15.4 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 39461.44 ms. Allocated memory was 231.2 MB in the beginning and 700.4 MB in the end (delta: 469.2 MB). Free memory was 179.7 MB in the beginning and 87.9 MB in the end (delta: 91.7 MB). Peak memory consumption was 575.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 493]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((a11 <= 0 && a17 == 8) && a28 <= 9) || !(\old(a19) == 1)) || ((a19 == 1 && a11 <= 1) && a28 == 10)) || (((1 <= a11 && a11 <= 1) && a17 <= \old(a17)) && 7 == a28)) || !(8 == \old(a17))) || ((((1 <= a11 && 9 <= a28) && a11 <= 1) && a17 <= \old(a17)) && a28 <= 9)) || ((a11 <= 0 && a17 == 8) && a28 == 10)) || !(7 == \old(a28))) || !(\old(a11) <= 0)) || (((((7 == a17 && a25 == 0) && a21 == 1) && a11 == 1) && a25 == a19) && a28 == 10)) || ((a11 <= 0 && a19 == 1) && a17 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 33.0s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 17.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 410 SDtfs, 4541 SDslu, 539 SDs, 0 SdLazy, 9058 SolverSat, 1355 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 97 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2840occurred 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: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 1793 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 123 PreInvPairs, 189 NumberOfFragments, 535 HoareAnnotationTreeSize, 123 FomulaSimplifications, 225931 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 26595 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 13.3s InterpolantComputationTime, 1672 NumberOfCodeBlocks, 1672 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1662 ConstructedInterpolants, 0 QuantifiedInterpolants, 1034341 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 653/728 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...