/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=0.4 --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 05:43:35,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:43:35,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:43:35,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:43:35,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:43:35,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:43:35,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:43:35,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:43:35,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:43:35,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:43:35,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:43:35,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:43:35,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:43:35,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:43:35,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:43:35,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:43:35,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:43:35,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:43:35,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:43:35,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:43:35,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:43:35,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:43:35,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:43:35,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:43:35,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:43:35,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:43:35,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:43:35,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:43:35,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:43:35,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:43:35,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:43:35,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:43:35,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:43:35,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:43:35,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:43:35,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:43:35,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:43:35,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:43:35,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:43:35,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:43:35,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:43:35,821 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 05:43:35,847 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:43:35,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:43:35,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:43:35,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:43:35,849 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:43:35,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:43:35,850 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:43:35,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:43:35,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:43:35,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:43:35,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:43:35,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:43:35,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:43:35,851 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:43:35,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:43:35,852 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:43:35,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:43:35,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:43:35,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:43:35,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:43:35,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:43:35,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:43:35,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:43:35,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:43:35,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:43:35,854 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:43:35,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:43:35,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:43:35,855 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:43:35,855 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 05:43:36,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:43:36,347 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:43:36,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:43:36,356 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:43:36,357 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:43:36,359 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2020-09-25 05:43:36,453 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a9a71c65/539a05d5f70246ef86b28de1ec48e4c0/FLAG4834e0b4c [2020-09-25 05:43:37,008 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:43:37,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2020-09-25 05:43:37,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a9a71c65/539a05d5f70246ef86b28de1ec48e4c0/FLAG4834e0b4c [2020-09-25 05:43:37,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a9a71c65/539a05d5f70246ef86b28de1ec48e4c0 [2020-09-25 05:43:37,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:43:37,344 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:43:37,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:43:37,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:43:37,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:43:37,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:43:37" (1/1) ... [2020-09-25 05:43:37,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b664dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:37, skipping insertion in model container [2020-09-25 05:43:37,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:43:37" (1/1) ... [2020-09-25 05:43:37,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:43:37,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:43:37,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:43:37,658 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:43:37,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:43:37,811 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:43:37,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:37 WrapperNode [2020-09-25 05:43:37,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:43:37,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:43:37,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:43:37,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:43:37,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:37" (1/1) ... [2020-09-25 05:43:37,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:37" (1/1) ... [2020-09-25 05:43:37,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:37" (1/1) ... [2020-09-25 05:43:37,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:37" (1/1) ... [2020-09-25 05:43:37,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:37" (1/1) ... [2020-09-25 05:43:37,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:37" (1/1) ... [2020-09-25 05:43:37,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:37" (1/1) ... [2020-09-25 05:43:37,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:43:37,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:43:37,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:43:37,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:43:37,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:37" (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 05:43:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:43:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:43:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 05:43:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure r_strncpy [2020-09-25 05:43:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_expression_list [2020-09-25 05:43:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:43:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:43:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-25 05:43:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 05:43:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2020-09-25 05:43:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-09-25 05:43:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-09-25 05:43:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-09-25 05:43:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy_ptr [2020-09-25 05:43:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-09-25 05:43:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-09-25 05:43:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-09-25 05:43:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-09-25 05:43:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2020-09-25 05:43:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 05:43:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2020-09-25 05:43:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2020-09-25 05:43:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-09-25 05:43:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure strrand [2020-09-25 05:43:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure istrrand [2020-09-25 05:43:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure istrchr [2020-09-25 05:43:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure istrrchr [2020-09-25 05:43:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure istrncmp [2020-09-25 05:43:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure istrstr [2020-09-25 05:43:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncpy [2020-09-25 05:43:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcpy [2020-09-25 05:43:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcat [2020-09-25 05:43:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncat [2020-09-25 05:43:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure r_memcpy [2020-09-25 05:43:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure parse_expression_list [2020-09-25 05:43:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:43:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:43:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:43:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:43:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:43:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:43:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:43:38,505 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:43:38,506 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 05:43:38,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:43:38 BoogieIcfgContainer [2020-09-25 05:43:38,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:43:38,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:43:38,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:43:38,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:43:38,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:43:37" (1/3) ... [2020-09-25 05:43:38,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70085944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:43:38, skipping insertion in model container [2020-09-25 05:43:38,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:37" (2/3) ... [2020-09-25 05:43:38,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70085944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:43:38, skipping insertion in model container [2020-09-25 05:43:38,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:43:38" (3/3) ... [2020-09-25 05:43:38,534 INFO L109 eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER_cases1_stripFullBoth_arr.i [2020-09-25 05:43:38,547 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:43:38,559 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:43:38,584 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:43:38,625 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:43:38,625 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:43:38,625 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:43:38,625 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:43:38,625 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:43:38,626 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:43:38,626 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:43:38,626 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:43:38,658 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2020-09-25 05:43:38,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-25 05:43:38,672 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:43:38,674 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 05:43:38,674 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:43:38,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:43:38,683 INFO L82 PathProgramCache]: Analyzing trace with hash 593727157, now seen corresponding path program 1 times [2020-09-25 05:43:38,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:43:38,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1088418725] [2020-09-25 05:43:38,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:43:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:43:38,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:38,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:39,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:39,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:39,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:39,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:39,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:40,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:41,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:43:41,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-09-25 05:43:41,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 05:43:41,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2828 [2020-09-25 05:43:41,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:43:41,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:43:41,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:43:41,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:43:41,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:43:41,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 05:43:41,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:43:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:43:41,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:41,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:43:41,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:43:41,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:43:41,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:43:41,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:43:41,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:43:41,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:43:41,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:43:41,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:43:41,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:43:41,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 05:43:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:43:41,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:41,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:43:41,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:43:41,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:43:41,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:43:41,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:43:41,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:43:41,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:43:41,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 05:43:41,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:43:41,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:43:41,806 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 05:43:41,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1088418725] [2020-09-25 05:43:41,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:43:41,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 05:43:41,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301104856] [2020-09-25 05:43:41,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 05:43:41,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:43:41,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 05:43:41,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 05:43:41,847 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 3 states. [2020-09-25 05:43:42,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:43:42,249 INFO L93 Difference]: Finished difference Result 254 states and 290 transitions. [2020-09-25 05:43:42,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 05:43:42,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-09-25 05:43:42,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:43:42,268 INFO L225 Difference]: With dead ends: 254 [2020-09-25 05:43:42,268 INFO L226 Difference]: Without dead ends: 111 [2020-09-25 05:43:42,275 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 05:43:42,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-09-25 05:43:42,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-09-25 05:43:42,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-09-25 05:43:42,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 121 transitions. [2020-09-25 05:43:42,360 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 121 transitions. Word has length 51 [2020-09-25 05:43:42,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:43:42,360 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 121 transitions. [2020-09-25 05:43:42,361 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 05:43:42,361 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 121 transitions. [2020-09-25 05:43:42,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-25 05:43:42,367 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:43:42,367 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 05:43:42,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:43:42,368 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:43:42,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:43:42,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1128985001, now seen corresponding path program 1 times [2020-09-25 05:43:42,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:43:42,370 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [930862743] [2020-09-25 05:43:42,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:43:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:43:42,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:42,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:42,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:42,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:43,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:44,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:44,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:44,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:44,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:45,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:47,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:43:47,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-25 05:43:47,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-25 05:43:47,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 05:43:47,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:43:47,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:43:47,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:43:47,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-25 05:43:47,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:43:47,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:43:47,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:43:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:43:47,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:47,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:43:47,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:43:47,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:43:47,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:43:47,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:43:47,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:43:47,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:43:47,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:43:47,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:43:47,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:43:47,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 05:43:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:43:47,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:47,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:43:47,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:43:47,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:43:47,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:43:47,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:43:47,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:43:47,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:43:47,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 05:43:47,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:43:47,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:43:47,477 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 05:43:47,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [930862743] [2020-09-25 05:43:47,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:43:47,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:43:47,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546022965] [2020-09-25 05:43:47,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:43:47,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:43:47,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:43:47,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:43:47,483 INFO L87 Difference]: Start difference. First operand 111 states and 121 transitions. Second operand 4 states. [2020-09-25 05:43:47,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:43:47,727 INFO L93 Difference]: Finished difference Result 212 states and 232 transitions. [2020-09-25 05:43:47,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 05:43:47,727 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2020-09-25 05:43:47,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:43:47,729 INFO L225 Difference]: With dead ends: 212 [2020-09-25 05:43:47,729 INFO L226 Difference]: Without dead ends: 117 [2020-09-25 05:43:47,731 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 05:43:47,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-09-25 05:43:47,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 112. [2020-09-25 05:43:47,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-09-25 05:43:47,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 122 transitions. [2020-09-25 05:43:47,743 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 122 transitions. Word has length 63 [2020-09-25 05:43:47,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:43:47,743 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 122 transitions. [2020-09-25 05:43:47,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:43:47,743 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 122 transitions. [2020-09-25 05:43:47,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-25 05:43:47,745 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:43:47,745 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] [2020-09-25 05:43:47,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:43:47,746 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:43:47,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:43:47,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1210839627, now seen corresponding path program 1 times [2020-09-25 05:43:47,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:43:47,747 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [823041439] [2020-09-25 05:43:47,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:43:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:43:47,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:47,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:47,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:47,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:49,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:49,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:49,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:50,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:50,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:51,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:52,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:43:52,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-25 05:43:52,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-25 05:43:52,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 05:43:52,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:43:52,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:43:52,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:43:52,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-25 05:43:52,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:43:52,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:43:52,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:43:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:43:52,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:52,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:43:52,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:43:52,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:43:52,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:43:52,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:43:52,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:43:52,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:43:52,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:43:52,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:43:52,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 05:43:52,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-25 05:43:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:43:52,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:52,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:43:52,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:43:52,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:43:52,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:43:52,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:43:52,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:43:52,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:43:52,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 05:43:52,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:43:52,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:43:52,852 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 05:43:52,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [823041439] [2020-09-25 05:43:52,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:43:52,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:43:52,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550675712] [2020-09-25 05:43:52,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:43:52,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:43:52,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:43:52,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:43:52,857 INFO L87 Difference]: Start difference. First operand 112 states and 122 transitions. Second operand 4 states. [2020-09-25 05:43:53,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:43:53,139 INFO L93 Difference]: Finished difference Result 200 states and 220 transitions. [2020-09-25 05:43:53,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 05:43:53,140 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2020-09-25 05:43:53,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:43:53,142 INFO L225 Difference]: With dead ends: 200 [2020-09-25 05:43:53,142 INFO L226 Difference]: Without dead ends: 113 [2020-09-25 05:43:53,143 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 05:43:53,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-09-25 05:43:53,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-09-25 05:43:53,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-09-25 05:43:53,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 123 transitions. [2020-09-25 05:43:53,160 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 123 transitions. Word has length 70 [2020-09-25 05:43:53,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:43:53,160 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 123 transitions. [2020-09-25 05:43:53,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:43:53,160 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 123 transitions. [2020-09-25 05:43:53,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-09-25 05:43:53,167 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:43:53,167 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 05:43:53,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:43:53,169 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:43:53,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:43:53,170 INFO L82 PathProgramCache]: Analyzing trace with hash 653997614, now seen corresponding path program 1 times [2020-09-25 05:43:53,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:43:53,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1340113832] [2020-09-25 05:43:53,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:43:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:43:53,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:53,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:53,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:53,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:53,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:53,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:54,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:55,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:58,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:43:58,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:43:58,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 05:43:58,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 05:43:58,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:43:58,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:43:58,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:43:58,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-09-25 05:43:58,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 05:43:58,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:43:58,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:43:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:43:58,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:58,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:43:58,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:43:58,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:43:58,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:43:58,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:43:58,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:43:58,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:43:58,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:43:58,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:43:58,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:43:58,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-25 05:43:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:43:58,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:43:58,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:43:58,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:43:58,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:43:58,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:43:58,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:43:58,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:43:58,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:43:58,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:43:58,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 05:43:58,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:43:58,309 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 05:43:58,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1340113832] [2020-09-25 05:43:58,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:43:58,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:43:58,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175868548] [2020-09-25 05:43:58,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:43:58,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:43:58,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:43:58,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:43:58,314 INFO L87 Difference]: Start difference. First operand 113 states and 123 transitions. Second operand 6 states. [2020-09-25 05:43:58,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:43:58,668 INFO L93 Difference]: Finished difference Result 113 states and 123 transitions. [2020-09-25 05:43:58,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 05:43:58,669 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2020-09-25 05:43:58,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:43:58,669 INFO L225 Difference]: With dead ends: 113 [2020-09-25 05:43:58,670 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 05:43:58,674 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 05:43:58,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 05:43:58,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 05:43:58,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 05:43:58,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 05:43:58,675 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2020-09-25 05:43:58,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:43:58,675 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 05:43:58,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:43:58,676 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 05:43:58,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 05:43:58,676 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:43:58,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 05:43:58,794 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-09-25 05:43:58,794 INFO L268 CegarLoopResult]: For program point L60-1(line 60) no Hoare annotation was computed. [2020-09-25 05:43:58,794 INFO L268 CegarLoopResult]: For program point L60-2(line 60) no Hoare annotation was computed. [2020-09-25 05:43:58,794 INFO L268 CegarLoopResult]: For program point L60-4(line 60) no Hoare annotation was computed. [2020-09-25 05:43:58,794 INFO L268 CegarLoopResult]: For program point L60-5(line 60) no Hoare annotation was computed. [2020-09-25 05:43:58,794 INFO L268 CegarLoopResult]: For program point L60-6(line 60) no Hoare annotation was computed. [2020-09-25 05:43:58,795 INFO L268 CegarLoopResult]: For program point L60-7(line 60) no Hoare annotation was computed. [2020-09-25 05:43:58,795 INFO L268 CegarLoopResult]: For program point L60-8(line 60) no Hoare annotation was computed. [2020-09-25 05:43:58,795 INFO L268 CegarLoopResult]: For program point L60-9(line 60) no Hoare annotation was computed. [2020-09-25 05:43:58,795 INFO L268 CegarLoopResult]: For program point L52-1(lines 52 73) no Hoare annotation was computed. [2020-09-25 05:43:58,795 INFO L268 CegarLoopResult]: For program point L60-11(line 60) no Hoare annotation was computed. [2020-09-25 05:43:58,795 INFO L271 CegarLoopResult]: At program point L52-3(lines 52 73) the Hoare annotation is: true [2020-09-25 05:43:58,796 INFO L268 CegarLoopResult]: For program point L60-12(line 60) no Hoare annotation was computed. [2020-09-25 05:43:58,797 INFO L268 CegarLoopResult]: For program point L52-4(lines 52 73) no Hoare annotation was computed. [2020-09-25 05:43:58,797 INFO L268 CegarLoopResult]: For program point L60-13(lines 54 72) no Hoare annotation was computed. [2020-09-25 05:43:58,797 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-09-25 05:43:58,797 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-25 05:43:58,797 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-09-25 05:43:58,797 INFO L268 CegarLoopResult]: For program point L62(lines 62 64) no Hoare annotation was computed. [2020-09-25 05:43:58,798 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-09-25 05:43:58,798 INFO L268 CegarLoopResult]: For program point L54-1(line 54) no Hoare annotation was computed. [2020-09-25 05:43:58,798 INFO L268 CegarLoopResult]: For program point L54-2(lines 54 72) no Hoare annotation was computed. [2020-09-25 05:43:58,798 INFO L268 CegarLoopResult]: For program point L54-3(lines 54 72) no Hoare annotation was computed. [2020-09-25 05:43:58,798 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-25 05:43:58,798 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-25 05:43:58,798 INFO L268 CegarLoopResult]: For program point L56-1(line 56) no Hoare annotation was computed. [2020-09-25 05:43:58,799 INFO L268 CegarLoopResult]: For program point L56-2(line 56) no Hoare annotation was computed. [2020-09-25 05:43:58,799 INFO L268 CegarLoopResult]: For program point L56-4(line 56) no Hoare annotation was computed. [2020-09-25 05:43:58,799 INFO L268 CegarLoopResult]: For program point L56-5(line 56) no Hoare annotation was computed. [2020-09-25 05:43:58,799 INFO L268 CegarLoopResult]: For program point L56-6(line 56) no Hoare annotation was computed. [2020-09-25 05:43:58,800 INFO L268 CegarLoopResult]: For program point L56-7(line 56) no Hoare annotation was computed. [2020-09-25 05:43:58,800 INFO L268 CegarLoopResult]: For program point L56-8(line 56) no Hoare annotation was computed. [2020-09-25 05:43:58,800 INFO L268 CegarLoopResult]: For program point L56-9(line 56) no Hoare annotation was computed. [2020-09-25 05:43:58,800 INFO L268 CegarLoopResult]: For program point L56-11(line 56) no Hoare annotation was computed. [2020-09-25 05:43:58,800 INFO L268 CegarLoopResult]: For program point L56-12(line 56) no Hoare annotation was computed. [2020-09-25 05:43:58,800 INFO L268 CegarLoopResult]: For program point L56-13(line 56) no Hoare annotation was computed. [2020-09-25 05:43:58,800 INFO L268 CegarLoopResult]: For program point L56-14(line 56) no Hoare annotation was computed. [2020-09-25 05:43:58,801 INFO L268 CegarLoopResult]: For program point L56-15(line 56) no Hoare annotation was computed. [2020-09-25 05:43:58,801 INFO L268 CegarLoopResult]: For program point L73(lines 52 73) no Hoare annotation was computed. [2020-09-25 05:43:58,801 INFO L268 CegarLoopResult]: For program point L56-16(line 56) no Hoare annotation was computed. [2020-09-25 05:43:58,801 INFO L268 CegarLoopResult]: For program point L73-1(line 73) no Hoare annotation was computed. [2020-09-25 05:43:58,801 INFO L271 CegarLoopResult]: At program point L56-17(line 56) the Hoare annotation is: true [2020-09-25 05:43:58,801 INFO L268 CegarLoopResult]: For program point L73-2(line 73) no Hoare annotation was computed. [2020-09-25 05:43:58,802 INFO L268 CegarLoopResult]: For program point L56-18(line 56) no Hoare annotation was computed. [2020-09-25 05:43:58,802 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 05:43:58,802 INFO L268 CegarLoopResult]: For program point L65-1(line 65) no Hoare annotation was computed. [2020-09-25 05:43:58,803 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-09-25 05:43:58,803 INFO L268 CegarLoopResult]: For program point L57-1(line 57) no Hoare annotation was computed. [2020-09-25 05:43:58,803 INFO L268 CegarLoopResult]: For program point L57-2(line 57) no Hoare annotation was computed. [2020-09-25 05:43:58,803 INFO L268 CegarLoopResult]: For program point L57-3(line 57) no Hoare annotation was computed. [2020-09-25 05:43:58,803 INFO L268 CegarLoopResult]: For program point L57-4(line 57) no Hoare annotation was computed. [2020-09-25 05:43:58,804 INFO L268 CegarLoopResult]: For program point L57-6(line 57) no Hoare annotation was computed. [2020-09-25 05:43:58,804 INFO L268 CegarLoopResult]: For program point L57-7(line 57) no Hoare annotation was computed. [2020-09-25 05:43:58,804 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-25 05:43:58,804 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-09-25 05:43:58,804 INFO L268 CegarLoopResult]: For program point L49-2(line 49) no Hoare annotation was computed. [2020-09-25 05:43:58,804 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 05:43:58,804 INFO L268 CegarLoopResult]: For program point L66-1(line 66) no Hoare annotation was computed. [2020-09-25 05:43:58,805 INFO L268 CegarLoopResult]: For program point parse_expression_listFINAL(lines 47 75) no Hoare annotation was computed. [2020-09-25 05:43:58,805 INFO L264 CegarLoopResult]: At program point parse_expression_listENTRY(lines 47 75) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-25 05:43:58,805 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-25 05:43:58,805 INFO L268 CegarLoopResult]: For program point L50-1(lines 48 75) no Hoare annotation was computed. [2020-09-25 05:43:58,805 INFO L268 CegarLoopResult]: For program point L50-2(line 50) no Hoare annotation was computed. [2020-09-25 05:43:58,805 INFO L268 CegarLoopResult]: For program point L50-3(line 50) no Hoare annotation was computed. [2020-09-25 05:43:58,806 INFO L268 CegarLoopResult]: For program point L50-4(line 50) no Hoare annotation was computed. [2020-09-25 05:43:58,807 INFO L268 CegarLoopResult]: For program point L50-5(line 50) no Hoare annotation was computed. [2020-09-25 05:43:58,807 INFO L268 CegarLoopResult]: For program point L50-6(line 50) no Hoare annotation was computed. [2020-09-25 05:43:58,807 INFO L268 CegarLoopResult]: For program point L50-7(line 50) no Hoare annotation was computed. [2020-09-25 05:43:58,807 INFO L268 CegarLoopResult]: For program point L50-8(line 50) no Hoare annotation was computed. [2020-09-25 05:43:58,807 INFO L268 CegarLoopResult]: For program point L50-9(line 50) no Hoare annotation was computed. [2020-09-25 05:43:58,807 INFO L268 CegarLoopResult]: For program point L67(lines 61 70) no Hoare annotation was computed. [2020-09-25 05:43:58,807 INFO L268 CegarLoopResult]: For program point parse_expression_listEXIT(lines 47 75) no Hoare annotation was computed. [2020-09-25 05:43:58,808 INFO L268 CegarLoopResult]: For program point L59-1(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,808 INFO L268 CegarLoopResult]: For program point L59-2(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,808 INFO L268 CegarLoopResult]: For program point L59-3(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,808 INFO L268 CegarLoopResult]: For program point L59-4(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,808 INFO L268 CegarLoopResult]: For program point L59-6(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,808 INFO L268 CegarLoopResult]: For program point L59-7(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,808 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-25 05:43:58,808 INFO L268 CegarLoopResult]: For program point L59-8(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,808 INFO L268 CegarLoopResult]: For program point L59-10(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,809 INFO L268 CegarLoopResult]: For program point L59-11(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,809 INFO L268 CegarLoopResult]: For program point L59-12(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,809 INFO L268 CegarLoopResult]: For program point L59-13(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,809 INFO L268 CegarLoopResult]: For program point L59-14(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,809 INFO L268 CegarLoopResult]: For program point L59-16(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,809 INFO L268 CegarLoopResult]: For program point L59-17(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,810 INFO L268 CegarLoopResult]: For program point L59-18(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,810 INFO L268 CegarLoopResult]: For program point L59-19(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,810 INFO L268 CegarLoopResult]: For program point L59-20(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,811 INFO L268 CegarLoopResult]: For program point L59-21(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,811 INFO L268 CegarLoopResult]: For program point L59-22(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,811 INFO L271 CegarLoopResult]: At program point L59-23(line 59) the Hoare annotation is: true [2020-09-25 05:43:58,811 INFO L268 CegarLoopResult]: For program point L59-24(line 59) no Hoare annotation was computed. [2020-09-25 05:43:58,811 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 05:43:58,811 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 05:43:58,812 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 05:43:58,812 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 05:43:58,812 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 05:43:58,813 INFO L268 CegarLoopResult]: For program point r_strncpyFINAL(line 31) no Hoare annotation was computed. [2020-09-25 05:43:58,813 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-25 05:43:58,813 INFO L268 CegarLoopResult]: For program point L31-1(line 31) no Hoare annotation was computed. [2020-09-25 05:43:58,813 INFO L268 CegarLoopResult]: For program point L31-2(line 31) no Hoare annotation was computed. [2020-09-25 05:43:58,813 INFO L268 CegarLoopResult]: For program point r_strncpyEXIT(line 31) no Hoare annotation was computed. [2020-09-25 05:43:58,813 INFO L268 CegarLoopResult]: For program point L31-3(line 31) no Hoare annotation was computed. [2020-09-25 05:43:58,813 INFO L268 CegarLoopResult]: For program point L31-4(line 31) no Hoare annotation was computed. [2020-09-25 05:43:58,814 INFO L271 CegarLoopResult]: At program point r_strncpyENTRY(line 31) the Hoare annotation is: true [2020-09-25 05:43:58,814 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 05:43:58,814 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 05:43:58,814 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 05:43:58,814 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 05:43:58,814 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 76 85) no Hoare annotation was computed. [2020-09-25 05:43:58,814 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-25 05:43:58,815 INFO L268 CegarLoopResult]: For program point L83-1(line 83) no Hoare annotation was computed. [2020-09-25 05:43:58,815 INFO L268 CegarLoopResult]: For program point L79-2(lines 79 81) no Hoare annotation was computed. [2020-09-25 05:43:58,815 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 76 85) no Hoare annotation was computed. [2020-09-25 05:43:58,815 INFO L268 CegarLoopResult]: For program point L79-3(line 79) no Hoare annotation was computed. [2020-09-25 05:43:58,815 INFO L268 CegarLoopResult]: For program point L79-4(line 79) no Hoare annotation was computed. [2020-09-25 05:43:58,815 INFO L271 CegarLoopResult]: At program point L79-5(lines 79 81) the Hoare annotation is: true [2020-09-25 05:43:58,815 INFO L268 CegarLoopResult]: For program point L79-6(lines 79 81) no Hoare annotation was computed. [2020-09-25 05:43:58,817 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 76 85) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-25 05:43:58,817 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-25 05:43:58,818 INFO L271 CegarLoopResult]: At program point L82(line 82) the Hoare annotation is: true [2020-09-25 05:43:58,818 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-25 05:43:58,818 INFO L268 CegarLoopResult]: For program point L80-1(line 80) no Hoare annotation was computed. [2020-09-25 05:43:58,818 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-25 05:43:58,818 INFO L268 CegarLoopResult]: For program point L80-2(line 80) no Hoare annotation was computed. [2020-09-25 05:43:58,818 INFO L268 CegarLoopResult]: For program point L78-1(line 78) no Hoare annotation was computed. [2020-09-25 05:43:58,818 INFO L268 CegarLoopResult]: For program point L78-2(line 78) no Hoare annotation was computed. [2020-09-25 05:43:58,819 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2020-09-25 05:43:58,819 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2020-09-25 05:43:58,819 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-25 05:43:58,819 INFO L268 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2020-09-25 05:43:58,819 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-09-25 05:43:58,819 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2020-09-25 05:43:58,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 05:43:58 BoogieIcfgContainer [2020-09-25 05:43:58,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 05:43:58,838 INFO L168 Benchmark]: Toolchain (without parser) took 21498.00 ms. Allocated memory was 141.6 MB in the beginning and 356.5 MB in the end (delta: 215.0 MB). Free memory was 104.7 MB in the beginning and 226.6 MB in the end (delta: -122.0 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. [2020-09-25 05:43:58,839 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.7 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB. [2020-09-25 05:43:58,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.49 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 104.2 MB in the beginning and 182.3 MB in the end (delta: -78.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-09-25 05:43:58,843 INFO L168 Benchmark]: Boogie Preprocessor took 73.45 ms. Allocated memory is still 205.0 MB. Free memory was 182.3 MB in the beginning and 179.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-09-25 05:43:58,849 INFO L168 Benchmark]: RCFGBuilder took 634.37 ms. Allocated memory is still 205.0 MB. Free memory was 179.4 MB in the beginning and 145.4 MB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. [2020-09-25 05:43:58,851 INFO L168 Benchmark]: TraceAbstraction took 20311.66 ms. Allocated memory was 205.0 MB in the beginning and 356.5 MB in the end (delta: 151.5 MB). Free memory was 144.5 MB in the beginning and 226.6 MB in the end (delta: -82.1 MB). Peak memory consumption was 69.4 MB. Max. memory is 7.1 GB. [2020-09-25 05:43:58,863 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.7 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 464.49 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 104.2 MB in the beginning and 182.3 MB in the end (delta: -78.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.45 ms. Allocated memory is still 205.0 MB. Free memory was 182.3 MB in the beginning and 179.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 634.37 ms. Allocated memory is still 205.0 MB. Free memory was 179.4 MB in the beginning and 145.4 MB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20311.66 ms. Allocated memory was 205.0 MB in the beginning and 356.5 MB in the end (delta: 151.5 MB). Free memory was 144.5 MB in the beginning and 226.6 MB in the end (delta: -82.1 MB). Peak memory consumption was 69.4 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: 20.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 493 SDtfs, 75 SDslu, 486 SDs, 0 SdLazy, 540 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s 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, 18.2s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 19816 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 2/2 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...