/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:35:04,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:35:04,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:35:04,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:35:04,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:35:04,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:35:04,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:35:04,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:35:04,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:35:04,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:35:04,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:35:04,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:35:04,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:35:04,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:35:04,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:35:04,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:35:04,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:35:04,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:35:04,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:35:04,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:35:04,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:35:04,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:35:04,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:35:04,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:35:04,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:35:04,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:35:04,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:35:04,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:35:04,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:35:04,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:35:04,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:35:04,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:35:04,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:35:04,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:35:04,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:35:04,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:35:04,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:35:04,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:35:04,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:35:04,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:35:04,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:35:04,697 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 [2020-09-25 04:35:04,725 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:35:04,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:35:04,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:35:04,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:35:04,727 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:35:04,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:35:04,727 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:35:04,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:35:04,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:35:04,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:35:04,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:35:04,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:35:04,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:35:04,729 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:35:04,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:35:04,729 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:35:04,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:35:04,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:35:04,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:35:04,730 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:35:04,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:35:04,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:35:04,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:35:04,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:35:04,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:35:04,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:35:04,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:35:04,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:35:04,732 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:35:04,732 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 04:35:05,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:35:05,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:35:05,199 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:35:05,201 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:35:05,201 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:35:05,202 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2020-09-25 04:35:05,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c73816c2/ab8d284219574e568d100a54f4b447b6/FLAGdb561a70b [2020-09-25 04:35:05,887 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:35:05,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2020-09-25 04:35:05,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c73816c2/ab8d284219574e568d100a54f4b447b6/FLAGdb561a70b [2020-09-25 04:35:06,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c73816c2/ab8d284219574e568d100a54f4b447b6 [2020-09-25 04:35:06,235 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:35:06,239 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:35:06,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:35:06,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:35:06,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:35:06,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:35:06" (1/1) ... [2020-09-25 04:35:06,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157ca41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:35:06, skipping insertion in model container [2020-09-25 04:35:06,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:35:06" (1/1) ... [2020-09-25 04:35:06,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:35:06,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:35:06,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:35:06,556 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:35:06,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:35:06,713 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:35:06,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:35:06 WrapperNode [2020-09-25 04:35:06,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:35:06,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:35:06,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:35:06,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:35:06,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:35:06" (1/1) ... [2020-09-25 04:35:06,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:35:06" (1/1) ... [2020-09-25 04:35:06,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:35:06" (1/1) ... [2020-09-25 04:35:06,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:35:06" (1/1) ... [2020-09-25 04:35:06,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:35:06" (1/1) ... [2020-09-25 04:35:06,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:35:06" (1/1) ... [2020-09-25 04:35:06,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:35:06" (1/1) ... [2020-09-25 04:35:06,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:35:06,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:35:06,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:35:06,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:35:06,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:35:06" (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 [2020-09-25 04:35:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:35:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:35:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 04:35:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure r_strncpy [2020-09-25 04:35:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_expression_list [2020-09-25 04:35:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:35:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:35:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-25 04:35:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 04:35:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2020-09-25 04:35:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-09-25 04:35:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-09-25 04:35:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-09-25 04:35:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy_ptr [2020-09-25 04:35:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-09-25 04:35:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-09-25 04:35:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-09-25 04:35:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-09-25 04:35:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2020-09-25 04:35:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 04:35:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2020-09-25 04:35:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2020-09-25 04:35:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-09-25 04:35:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure strrand [2020-09-25 04:35:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure istrrand [2020-09-25 04:35:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure istrchr [2020-09-25 04:35:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure istrrchr [2020-09-25 04:35:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure istrncmp [2020-09-25 04:35:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure istrstr [2020-09-25 04:35:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncpy [2020-09-25 04:35:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcpy [2020-09-25 04:35:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcat [2020-09-25 04:35:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncat [2020-09-25 04:35:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure r_memcpy [2020-09-25 04:35:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure parse_expression_list [2020-09-25 04:35:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:35:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:35:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:35:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:35:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:35:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:35:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:35:07,414 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:35:07,415 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 04:35:07,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:35:07 BoogieIcfgContainer [2020-09-25 04:35:07,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:35:07,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:35:07,424 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:35:07,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:35:07,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:35:06" (1/3) ... [2020-09-25 04:35:07,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a67526f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:35:07, skipping insertion in model container [2020-09-25 04:35:07,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:35:06" (2/3) ... [2020-09-25 04:35:07,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a67526f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:35:07, skipping insertion in model container [2020-09-25 04:35:07,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:35:07" (3/3) ... [2020-09-25 04:35:07,433 INFO L109 eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER_cases1_stripFullBoth_arr.i [2020-09-25 04:35:07,444 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:35:07,455 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:35:07,479 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:35:07,511 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:35:07,511 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:35:07,511 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:35:07,512 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:35:07,512 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:35:07,512 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:35:07,512 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:35:07,512 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:35:07,541 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2020-09-25 04:35:07,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-25 04:35:07,554 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:35:07,555 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] [2020-09-25 04:35:07,556 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:35:07,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:35:07,565 INFO L82 PathProgramCache]: Analyzing trace with hash 593727157, now seen corresponding path program 1 times [2020-09-25 04:35:07,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:35:07,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1578036631] [2020-09-25 04:35:07,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:35:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:35:07,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:07,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:07,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:08,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:08,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:08,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:08,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:09,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:10,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:35:10,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-09-25 04:35:10,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 04:35:10,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2852 [2020-09-25 04:35:10,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:35:10,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:35:10,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:35:10,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:35:10,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:35:10,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 04:35:10,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:35:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:35:10,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:10,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:35:10,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:35:10,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:35:10,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 04:35:10,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:35:10,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:35:10,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:35:10,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:35:10,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:35:10,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:35:10,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 04:35:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:35:10,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:10,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:35:10,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:35:10,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:35:10,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 04:35:10,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:35:10,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:35:10,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:35:10,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 04:35:10,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:35:10,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:35:10,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:35:10,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1578036631] [2020-09-25 04:35:10,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:35:10,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 04:35:10,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413377194] [2020-09-25 04:35:10,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 04:35:10,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:35:10,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 04:35:10,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 04:35:10,810 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 3 states. [2020-09-25 04:35:11,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:35:11,142 INFO L93 Difference]: Finished difference Result 254 states and 290 transitions. [2020-09-25 04:35:11,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 04:35:11,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-09-25 04:35:11,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:35:11,159 INFO L225 Difference]: With dead ends: 254 [2020-09-25 04:35:11,159 INFO L226 Difference]: Without dead ends: 111 [2020-09-25 04:35:11,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 04:35:11,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-09-25 04:35:11,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-09-25 04:35:11,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-09-25 04:35:11,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 121 transitions. [2020-09-25 04:35:11,225 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 121 transitions. Word has length 51 [2020-09-25 04:35:11,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:35:11,225 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 121 transitions. [2020-09-25 04:35:11,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 04:35:11,226 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 121 transitions. [2020-09-25 04:35:11,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-25 04:35:11,229 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:35:11,229 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] [2020-09-25 04:35:11,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:35:11,230 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:35:11,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:35:11,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1128985001, now seen corresponding path program 1 times [2020-09-25 04:35:11,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:35:11,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2101479103] [2020-09-25 04:35:11,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:35:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:35:11,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:11,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:11,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:11,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:12,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:12,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:12,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:12,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:12,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:14,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:16,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:35:16,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-25 04:35:16,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-25 04:35:16,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 04:35:16,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:35:16,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:35:16,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:35:16,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-25 04:35:16,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 04:35:16,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:35:16,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:35:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:35:16,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:16,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:35:16,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:35:16,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:35:16,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:35:16,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:35:16,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:35:16,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:35:16,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:35:16,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:35:16,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:35:16,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 04:35:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:35:16,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:16,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:35:16,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:35:16,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:35:16,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:35:16,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:35:16,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:35:16,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:35:16,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 04:35:16,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:35:16,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:35:16,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:35:16,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2101479103] [2020-09-25 04:35:16,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:35:16,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:35:16,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121879542] [2020-09-25 04:35:16,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:35:16,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:35:16,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:35:16,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:35:16,315 INFO L87 Difference]: Start difference. First operand 111 states and 121 transitions. Second operand 4 states. [2020-09-25 04:35:16,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:35:16,522 INFO L93 Difference]: Finished difference Result 199 states and 219 transitions. [2020-09-25 04:35:16,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 04:35:16,523 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2020-09-25 04:35:16,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:35:16,525 INFO L225 Difference]: With dead ends: 199 [2020-09-25 04:35:16,525 INFO L226 Difference]: Without dead ends: 112 [2020-09-25 04:35:16,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:35:16,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-09-25 04:35:16,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-09-25 04:35:16,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-09-25 04:35:16,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 122 transitions. [2020-09-25 04:35:16,538 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 122 transitions. Word has length 63 [2020-09-25 04:35:16,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:35:16,539 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 122 transitions. [2020-09-25 04:35:16,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:35:16,539 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 122 transitions. [2020-09-25 04:35:16,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-25 04:35:16,541 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:35:16,541 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] [2020-09-25 04:35:16,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:35:16,542 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:35:16,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:35:16,542 INFO L82 PathProgramCache]: Analyzing trace with hash -698886644, now seen corresponding path program 1 times [2020-09-25 04:35:16,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:35:16,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501516885] [2020-09-25 04:35:16,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:35:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:35:16,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:16,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:16,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:16,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:16,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:16,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:17,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:19,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:21,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:35:21,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-25 04:35:21,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 04:35:21,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 04:35:21,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:35:21,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:35:21,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:35:21,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-25 04:35:21,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 04:35:21,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:35:21,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:35:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:35:21,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:21,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:35:21,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:35:21,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:35:21,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:35:21,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:35:21,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:35:21,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:35:21,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:35:21,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:35:21,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:35:21,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-25 04:35:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:35:21,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:21,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:35:21,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:35:21,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:35:21,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:35:21,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:35:21,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:35:21,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:35:21,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 04:35:21,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:35:21,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:35:21,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:35:21,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501516885] [2020-09-25 04:35:21,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:35:21,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:35:21,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145578056] [2020-09-25 04:35:21,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:35:21,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:35:21,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:35:21,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:35:21,641 INFO L87 Difference]: Start difference. First operand 112 states and 122 transitions. Second operand 4 states. [2020-09-25 04:35:21,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:35:21,930 INFO L93 Difference]: Finished difference Result 214 states and 234 transitions. [2020-09-25 04:35:21,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 04:35:21,930 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2020-09-25 04:35:21,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:35:21,932 INFO L225 Difference]: With dead ends: 214 [2020-09-25 04:35:21,932 INFO L226 Difference]: Without dead ends: 118 [2020-09-25 04:35:21,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:35:21,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-09-25 04:35:21,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 113. [2020-09-25 04:35:21,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-09-25 04:35:21,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 123 transitions. [2020-09-25 04:35:21,943 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 123 transitions. Word has length 65 [2020-09-25 04:35:21,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:35:21,943 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 123 transitions. [2020-09-25 04:35:21,944 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:35:21,944 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 123 transitions. [2020-09-25 04:35:21,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-09-25 04:35:21,946 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:35:21,946 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] [2020-09-25 04:35:21,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:35:21,952 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:35:21,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:35:21,952 INFO L82 PathProgramCache]: Analyzing trace with hash 653997614, now seen corresponding path program 1 times [2020-09-25 04:35:21,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:35:21,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1418248330] [2020-09-25 04:35:21,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:35:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:35:21,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:22,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:22,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:22,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:22,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:22,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:22,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:24,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:26,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:35:26,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:35:26,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 04:35:26,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 04:35:26,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:35:26,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:35:26,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:35:26,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-09-25 04:35:26,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 04:35:26,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:35:27,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:35:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:35:27,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:27,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:35:27,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:35:27,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:35:27,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 04:35:27,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:35:27,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:35:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:35:27,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:35:27,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:35:27,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:35:27,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-25 04:35:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:35:27,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:35:27,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:35:27,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:35:27,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:35:27,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 04:35:27,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:35:27,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:35:27,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:35:27,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:35:27,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 04:35:27,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:35:27,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-25 04:35:27,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1418248330] [2020-09-25 04:35:27,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:35:27,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 04:35:27,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916481896] [2020-09-25 04:35:27,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:35:27,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:35:27,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:35:27,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:35:27,136 INFO L87 Difference]: Start difference. First operand 113 states and 123 transitions. Second operand 6 states. [2020-09-25 04:35:27,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:35:27,415 INFO L93 Difference]: Finished difference Result 113 states and 123 transitions. [2020-09-25 04:35:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 04:35:27,416 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2020-09-25 04:35:27,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:35:27,417 INFO L225 Difference]: With dead ends: 113 [2020-09-25 04:35:27,417 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 04:35:27,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 04:35:27,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 04:35:27,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 04:35:27,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 04:35:27,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 04:35:27,419 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2020-09-25 04:35:27,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:35:27,420 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 04:35:27,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:35:27,420 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 04:35:27,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 04:35:27,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:35:27,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 04:35:27,508 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-09-25 04:35:27,508 INFO L268 CegarLoopResult]: For program point L60-1(line 60) no Hoare annotation was computed. [2020-09-25 04:35:27,508 INFO L268 CegarLoopResult]: For program point L60-2(line 60) no Hoare annotation was computed. [2020-09-25 04:35:27,508 INFO L268 CegarLoopResult]: For program point L60-4(line 60) no Hoare annotation was computed. [2020-09-25 04:35:27,508 INFO L268 CegarLoopResult]: For program point L60-5(line 60) no Hoare annotation was computed. [2020-09-25 04:35:27,509 INFO L268 CegarLoopResult]: For program point L60-6(line 60) no Hoare annotation was computed. [2020-09-25 04:35:27,509 INFO L268 CegarLoopResult]: For program point L60-7(line 60) no Hoare annotation was computed. [2020-09-25 04:35:27,509 INFO L268 CegarLoopResult]: For program point L60-8(line 60) no Hoare annotation was computed. [2020-09-25 04:35:27,509 INFO L268 CegarLoopResult]: For program point L60-9(line 60) no Hoare annotation was computed. [2020-09-25 04:35:27,509 INFO L268 CegarLoopResult]: For program point L52-1(lines 52 73) no Hoare annotation was computed. [2020-09-25 04:35:27,509 INFO L268 CegarLoopResult]: For program point L60-11(line 60) no Hoare annotation was computed. [2020-09-25 04:35:27,510 INFO L271 CegarLoopResult]: At program point L52-3(lines 52 73) the Hoare annotation is: true [2020-09-25 04:35:27,510 INFO L268 CegarLoopResult]: For program point L60-12(line 60) no Hoare annotation was computed. [2020-09-25 04:35:27,510 INFO L268 CegarLoopResult]: For program point L52-4(lines 52 73) no Hoare annotation was computed. [2020-09-25 04:35:27,510 INFO L268 CegarLoopResult]: For program point L60-13(lines 54 72) no Hoare annotation was computed. [2020-09-25 04:35:27,510 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-09-25 04:35:27,510 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-25 04:35:27,511 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-09-25 04:35:27,511 INFO L268 CegarLoopResult]: For program point L62(lines 62 64) no Hoare annotation was computed. [2020-09-25 04:35:27,511 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-09-25 04:35:27,511 INFO L268 CegarLoopResult]: For program point L54-1(line 54) no Hoare annotation was computed. [2020-09-25 04:35:27,511 INFO L268 CegarLoopResult]: For program point L54-2(lines 54 72) no Hoare annotation was computed. [2020-09-25 04:35:27,511 INFO L268 CegarLoopResult]: For program point L54-3(line 54) no Hoare annotation was computed. [2020-09-25 04:35:27,512 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-25 04:35:27,512 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-25 04:35:27,512 INFO L268 CegarLoopResult]: For program point L56-1(line 56) no Hoare annotation was computed. [2020-09-25 04:35:27,512 INFO L268 CegarLoopResult]: For program point L56-2(line 56) no Hoare annotation was computed. [2020-09-25 04:35:27,512 INFO L268 CegarLoopResult]: For program point L56-4(line 56) no Hoare annotation was computed. [2020-09-25 04:35:27,512 INFO L268 CegarLoopResult]: For program point L56-5(line 56) no Hoare annotation was computed. [2020-09-25 04:35:27,512 INFO L268 CegarLoopResult]: For program point L56-6(line 56) no Hoare annotation was computed. [2020-09-25 04:35:27,513 INFO L268 CegarLoopResult]: For program point L56-7(line 56) no Hoare annotation was computed. [2020-09-25 04:35:27,513 INFO L268 CegarLoopResult]: For program point L56-8(line 56) no Hoare annotation was computed. [2020-09-25 04:35:27,513 INFO L268 CegarLoopResult]: For program point L56-9(line 56) no Hoare annotation was computed. [2020-09-25 04:35:27,513 INFO L268 CegarLoopResult]: For program point L56-11(line 56) no Hoare annotation was computed. [2020-09-25 04:35:27,513 INFO L268 CegarLoopResult]: For program point L56-12(line 56) no Hoare annotation was computed. [2020-09-25 04:35:27,513 INFO L268 CegarLoopResult]: For program point L56-13(line 56) no Hoare annotation was computed. [2020-09-25 04:35:27,513 INFO L268 CegarLoopResult]: For program point L56-14(line 56) no Hoare annotation was computed. [2020-09-25 04:35:27,514 INFO L268 CegarLoopResult]: For program point L56-15(line 56) no Hoare annotation was computed. [2020-09-25 04:35:27,514 INFO L268 CegarLoopResult]: For program point L73(lines 52 73) no Hoare annotation was computed. [2020-09-25 04:35:27,514 INFO L268 CegarLoopResult]: For program point L56-16(line 56) no Hoare annotation was computed. [2020-09-25 04:35:27,514 INFO L268 CegarLoopResult]: For program point L73-1(line 73) no Hoare annotation was computed. [2020-09-25 04:35:27,514 INFO L271 CegarLoopResult]: At program point L56-17(line 56) the Hoare annotation is: true [2020-09-25 04:35:27,514 INFO L268 CegarLoopResult]: For program point L73-2(line 73) no Hoare annotation was computed. [2020-09-25 04:35:27,515 INFO L268 CegarLoopResult]: For program point L56-18(line 56) no Hoare annotation was computed. [2020-09-25 04:35:27,515 INFO L264 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (< parse_expression_list_~j~0 (+ parse_expression_list_~start~0 1)) [2020-09-25 04:35:27,515 INFO L268 CegarLoopResult]: For program point L65-1(line 65) no Hoare annotation was computed. [2020-09-25 04:35:27,515 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-09-25 04:35:27,515 INFO L268 CegarLoopResult]: For program point L57-1(line 57) no Hoare annotation was computed. [2020-09-25 04:35:27,515 INFO L268 CegarLoopResult]: For program point L57-2(line 57) no Hoare annotation was computed. [2020-09-25 04:35:27,516 INFO L268 CegarLoopResult]: For program point L57-3(line 57) no Hoare annotation was computed. [2020-09-25 04:35:27,516 INFO L268 CegarLoopResult]: For program point L57-4(line 57) no Hoare annotation was computed. [2020-09-25 04:35:27,516 INFO L268 CegarLoopResult]: For program point L57-6(line 57) no Hoare annotation was computed. [2020-09-25 04:35:27,516 INFO L268 CegarLoopResult]: For program point L57-7(line 57) no Hoare annotation was computed. [2020-09-25 04:35:27,516 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-25 04:35:27,516 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-09-25 04:35:27,516 INFO L268 CegarLoopResult]: For program point L49-2(line 49) no Hoare annotation was computed. [2020-09-25 04:35:27,517 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (< parse_expression_list_~j~0 (+ parse_expression_list_~start~0 1)) [2020-09-25 04:35:27,517 INFO L268 CegarLoopResult]: For program point L66-1(line 66) no Hoare annotation was computed. [2020-09-25 04:35:27,517 INFO L268 CegarLoopResult]: For program point parse_expression_listFINAL(lines 47 75) no Hoare annotation was computed. [2020-09-25 04:35:27,517 INFO L264 CegarLoopResult]: At program point parse_expression_listENTRY(lines 47 75) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-25 04:35:27,517 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-25 04:35:27,518 INFO L268 CegarLoopResult]: For program point L50-1(lines 48 75) no Hoare annotation was computed. [2020-09-25 04:35:27,518 INFO L268 CegarLoopResult]: For program point L50-2(line 50) no Hoare annotation was computed. [2020-09-25 04:35:27,518 INFO L268 CegarLoopResult]: For program point L50-3(line 50) no Hoare annotation was computed. [2020-09-25 04:35:27,518 INFO L268 CegarLoopResult]: For program point L50-4(line 50) no Hoare annotation was computed. [2020-09-25 04:35:27,518 INFO L268 CegarLoopResult]: For program point L50-5(line 50) no Hoare annotation was computed. [2020-09-25 04:35:27,518 INFO L268 CegarLoopResult]: For program point L50-6(line 50) no Hoare annotation was computed. [2020-09-25 04:35:27,519 INFO L268 CegarLoopResult]: For program point L50-7(line 50) no Hoare annotation was computed. [2020-09-25 04:35:27,519 INFO L268 CegarLoopResult]: For program point L50-8(line 50) no Hoare annotation was computed. [2020-09-25 04:35:27,519 INFO L268 CegarLoopResult]: For program point L50-9(line 50) no Hoare annotation was computed. [2020-09-25 04:35:27,519 INFO L268 CegarLoopResult]: For program point L67(lines 61 70) no Hoare annotation was computed. [2020-09-25 04:35:27,519 INFO L268 CegarLoopResult]: For program point parse_expression_listEXIT(lines 47 75) no Hoare annotation was computed. [2020-09-25 04:35:27,519 INFO L268 CegarLoopResult]: For program point L59-1(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,520 INFO L268 CegarLoopResult]: For program point L59-2(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,520 INFO L268 CegarLoopResult]: For program point L59-3(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,520 INFO L268 CegarLoopResult]: For program point L59-4(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,520 INFO L268 CegarLoopResult]: For program point L59-6(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,520 INFO L268 CegarLoopResult]: For program point L59-7(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,521 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-25 04:35:27,521 INFO L268 CegarLoopResult]: For program point L59-8(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,521 INFO L268 CegarLoopResult]: For program point L59-10(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,521 INFO L268 CegarLoopResult]: For program point L59-11(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,521 INFO L268 CegarLoopResult]: For program point L59-12(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,521 INFO L268 CegarLoopResult]: For program point L59-13(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,521 INFO L268 CegarLoopResult]: For program point L59-14(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,522 INFO L268 CegarLoopResult]: For program point L59-16(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,522 INFO L268 CegarLoopResult]: For program point L59-17(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,522 INFO L268 CegarLoopResult]: For program point L59-18(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,522 INFO L268 CegarLoopResult]: For program point L59-19(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,522 INFO L268 CegarLoopResult]: For program point L59-20(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,522 INFO L268 CegarLoopResult]: For program point L59-21(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,523 INFO L268 CegarLoopResult]: For program point L59-22(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,523 INFO L271 CegarLoopResult]: At program point L59-23(line 59) the Hoare annotation is: true [2020-09-25 04:35:27,523 INFO L268 CegarLoopResult]: For program point L59-24(line 59) no Hoare annotation was computed. [2020-09-25 04:35:27,523 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 04:35:27,523 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 04:35:27,524 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 04:35:27,524 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-25 04:35:27,524 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 04:35:27,524 INFO L268 CegarLoopResult]: For program point r_strncpyFINAL(line 31) no Hoare annotation was computed. [2020-09-25 04:35:27,525 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-25 04:35:27,525 INFO L268 CegarLoopResult]: For program point L31-1(line 31) no Hoare annotation was computed. [2020-09-25 04:35:27,525 INFO L268 CegarLoopResult]: For program point L31-2(line 31) no Hoare annotation was computed. [2020-09-25 04:35:27,525 INFO L268 CegarLoopResult]: For program point r_strncpyEXIT(line 31) no Hoare annotation was computed. [2020-09-25 04:35:27,525 INFO L268 CegarLoopResult]: For program point L31-3(line 31) no Hoare annotation was computed. [2020-09-25 04:35:27,525 INFO L268 CegarLoopResult]: For program point L31-4(line 31) no Hoare annotation was computed. [2020-09-25 04:35:27,526 INFO L271 CegarLoopResult]: At program point r_strncpyENTRY(line 31) the Hoare annotation is: true [2020-09-25 04:35:27,526 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 04:35:27,526 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 04:35:27,526 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 04:35:27,526 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 04:35:27,526 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 76 85) no Hoare annotation was computed. [2020-09-25 04:35:27,527 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-25 04:35:27,527 INFO L268 CegarLoopResult]: For program point L83-1(line 83) no Hoare annotation was computed. [2020-09-25 04:35:27,527 INFO L268 CegarLoopResult]: For program point L79-2(lines 79 81) no Hoare annotation was computed. [2020-09-25 04:35:27,527 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 76 85) no Hoare annotation was computed. [2020-09-25 04:35:27,527 INFO L268 CegarLoopResult]: For program point L79-3(line 79) no Hoare annotation was computed. [2020-09-25 04:35:27,527 INFO L268 CegarLoopResult]: For program point L79-4(line 79) no Hoare annotation was computed. [2020-09-25 04:35:27,528 INFO L271 CegarLoopResult]: At program point L79-5(lines 79 81) the Hoare annotation is: true [2020-09-25 04:35:27,528 INFO L268 CegarLoopResult]: For program point L79-6(lines 79 81) no Hoare annotation was computed. [2020-09-25 04:35:27,528 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 76 85) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-25 04:35:27,528 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-25 04:35:27,528 INFO L271 CegarLoopResult]: At program point L82(line 82) the Hoare annotation is: true [2020-09-25 04:35:27,529 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-25 04:35:27,529 INFO L268 CegarLoopResult]: For program point L80-1(line 80) no Hoare annotation was computed. [2020-09-25 04:35:27,529 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-25 04:35:27,529 INFO L268 CegarLoopResult]: For program point L80-2(line 80) no Hoare annotation was computed. [2020-09-25 04:35:27,529 INFO L268 CegarLoopResult]: For program point L78-1(line 78) no Hoare annotation was computed. [2020-09-25 04:35:27,529 INFO L268 CegarLoopResult]: For program point L78-2(line 78) no Hoare annotation was computed. [2020-09-25 04:35:27,530 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2020-09-25 04:35:27,530 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2020-09-25 04:35:27,530 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-25 04:35:27,530 INFO L268 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2020-09-25 04:35:27,530 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-09-25 04:35:27,531 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2020-09-25 04:35:27,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 04:35:27 BoogieIcfgContainer [2020-09-25 04:35:27,545 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 04:35:27,548 INFO L168 Benchmark]: Toolchain (without parser) took 21310.59 ms. Allocated memory was 137.9 MB in the beginning and 373.8 MB in the end (delta: 235.9 MB). Free memory was 100.7 MB in the beginning and 102.0 MB in the end (delta: -1.3 MB). Peak memory consumption was 234.6 MB. Max. memory is 7.1 GB. [2020-09-25 04:35:27,549 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 04:35:27,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.40 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 100.1 MB in the beginning and 177.8 MB in the end (delta: -77.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-09-25 04:35:27,551 INFO L168 Benchmark]: Boogie Preprocessor took 66.12 ms. Allocated memory is still 200.8 MB. Free memory was 177.8 MB in the beginning and 175.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2020-09-25 04:35:27,552 INFO L168 Benchmark]: RCFGBuilder took 641.66 ms. Allocated memory is still 200.8 MB. Free memory was 175.6 MB in the beginning and 140.5 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2020-09-25 04:35:27,553 INFO L168 Benchmark]: TraceAbstraction took 20120.94 ms. Allocated memory was 200.8 MB in the beginning and 373.8 MB in the end (delta: 173.0 MB). Free memory was 139.9 MB in the beginning and 102.0 MB in the end (delta: 37.8 MB). Peak memory consumption was 210.9 MB. Max. memory is 7.1 GB. [2020-09-25 04:35:27,557 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 471.40 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 100.1 MB in the beginning and 177.8 MB in the end (delta: -77.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.12 ms. Allocated memory is still 200.8 MB. Free memory was 177.8 MB in the beginning and 175.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 641.66 ms. Allocated memory is still 200.8 MB. Free memory was 175.6 MB in the beginning and 140.5 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20120.94 ms. Allocated memory was 200.8 MB in the beginning and 373.8 MB in the end (delta: 173.0 MB). Free memory was 139.9 MB in the beginning and 102.0 MB in the end (delta: 37.8 MB). Peak memory consumption was 210.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 135 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 493 SDtfs, 76 SDslu, 485 SDs, 0 SdLazy, 540 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 32 PreInvPairs, 39 NumberOfFragments, 35 HoareAnnotationTreeSize, 32 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 40 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 18.3s InterpolantComputationTime, 251 NumberOfCodeBlocks, 251 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 247 ConstructedInterpolants, 0 QuantifiedInterpolants, 19110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 1/1 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...