/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=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-examples/sanfoundry_43_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:51:09,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:51:09,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:51:09,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:51:09,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:51:09,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:51:09,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:51:09,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:51:09,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:51:09,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:51:09,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:51:09,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:51:09,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:51:09,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:51:09,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:51:09,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:51:09,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:51:09,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:51:09,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:51:09,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:51:09,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:51:09,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:51:09,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:51:09,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:51:09,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:51:09,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:51:09,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:51:09,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:51:09,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:51:09,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:51:09,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:51:09,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:51:09,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:51:09,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:51:09,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:51:09,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:51:09,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:51:09,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:51:09,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:51:09,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:51:09,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:51:09,965 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 06:51:10,004 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:51:10,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:51:10,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:51:10,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:51:10,006 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:51:10,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:51:10,007 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:51:10,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:51:10,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:51:10,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:51:10,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:51:10,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:51:10,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:51:10,008 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:51:10,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:51:10,008 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:51:10,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:51:10,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:51:10,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:51:10,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:51:10,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:51:10,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:51:10,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:51:10,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:51:10,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:51:10,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:51:10,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:51:10,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:51:10,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:51:10,011 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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;log-additional-information=true; [2020-09-25 06:51:10,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:51:10,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:51:10,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:51:10,559 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:51:10,560 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:51:10,561 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/sanfoundry_43_ground.i [2020-09-25 06:51:10,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a674e7684/def01d5627524057a0012c6827fb1327/FLAG7bd1ac9a6 [2020-09-25 06:51:11,174 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:51:11,175 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-examples/sanfoundry_43_ground.i [2020-09-25 06:51:11,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a674e7684/def01d5627524057a0012c6827fb1327/FLAG7bd1ac9a6 [2020-09-25 06:51:11,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a674e7684/def01d5627524057a0012c6827fb1327 [2020-09-25 06:51:11,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:51:11,535 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:51:11,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:51:11,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:51:11,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:51:11,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:51:11" (1/1) ... [2020-09-25 06:51:11,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e001708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:51:11, skipping insertion in model container [2020-09-25 06:51:11,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:51:11" (1/1) ... [2020-09-25 06:51:11,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:51:11,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:51:11,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:51:11,828 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:51:11,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:51:11,868 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:51:11,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:51:11 WrapperNode [2020-09-25 06:51:11,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:51:11,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:51:11,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:51:11,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:51:11,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:51:11" (1/1) ... [2020-09-25 06:51:11,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:51:11" (1/1) ... [2020-09-25 06:51:11,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:51:11" (1/1) ... [2020-09-25 06:51:11,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:51:11" (1/1) ... [2020-09-25 06:51:11,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:51:11" (1/1) ... [2020-09-25 06:51:11,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:51:11" (1/1) ... [2020-09-25 06:51:11,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:51:11" (1/1) ... [2020-09-25 06:51:11,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:51:11,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:51:11,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:51:11,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:51:11,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:51:11" (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 06:51:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:51:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:51:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 06:51:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure incrementArray [2020-09-25 06:51:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:51:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:51:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 06:51:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:51:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure incrementArray [2020-09-25 06:51:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:51:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:51:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:51:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:51:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:51:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:51:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:51:12,433 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:51:12,433 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-09-25 06:51:12,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:51:12 BoogieIcfgContainer [2020-09-25 06:51:12,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:51:12,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:51:12,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:51:12,448 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:51:12,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:51:11" (1/3) ... [2020-09-25 06:51:12,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5954902d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:51:12, skipping insertion in model container [2020-09-25 06:51:12,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:51:11" (2/3) ... [2020-09-25 06:51:12,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5954902d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:51:12, skipping insertion in model container [2020-09-25 06:51:12,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:51:12" (3/3) ... [2020-09-25 06:51:12,452 INFO L109 eAbstractionObserver]: Analyzing ICFG sanfoundry_43_ground.i [2020-09-25 06:51:12,464 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:51:12,477 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:51:12,500 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:51:12,534 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:51:12,534 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:51:12,534 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:51:12,535 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:51:12,535 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:51:12,535 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:51:12,535 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:51:12,535 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:51:12,558 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-09-25 06:51:12,566 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 06:51:12,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 49 states. [2020-09-25 06:51:12,657 INFO L268 CegarLoopResult]: For program point L8-7(lines 5 11) no Hoare annotation was computed. [2020-09-25 06:51:12,658 INFO L271 CegarLoopResult]: At program point incrementArrayENTRY(lines 5 11) the Hoare annotation is: true [2020-09-25 06:51:12,658 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-09-25 06:51:12,658 INFO L268 CegarLoopResult]: For program point incrementArrayEXIT(lines 5 11) no Hoare annotation was computed. [2020-09-25 06:51:12,658 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-09-25 06:51:12,659 INFO L268 CegarLoopResult]: For program point L9-1(line 9) no Hoare annotation was computed. [2020-09-25 06:51:12,659 INFO L268 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-09-25 06:51:12,659 INFO L268 CegarLoopResult]: For program point L9-2(line 9) no Hoare annotation was computed. [2020-09-25 06:51:12,659 INFO L268 CegarLoopResult]: For program point L5(lines 5 11) no Hoare annotation was computed. [2020-09-25 06:51:12,659 INFO L268 CegarLoopResult]: For program point L8-3(lines 8 10) no Hoare annotation was computed. [2020-09-25 06:51:12,660 INFO L268 CegarLoopResult]: For program point L8-4(line 8) no Hoare annotation was computed. [2020-09-25 06:51:12,660 INFO L268 CegarLoopResult]: For program point L8-5(line 8) no Hoare annotation was computed. [2020-09-25 06:51:12,660 INFO L271 CegarLoopResult]: At program point L8-6(lines 8 10) the Hoare annotation is: true [2020-09-25 06:51:12,660 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 06:51:12,660 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 06:51:12,660 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 06:51:12,661 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-09-25 06:51:12,661 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 06:51:12,661 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 06:51:12,661 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 06:51:12,661 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 06:51:12,661 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 06:51:12,662 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 12 27) no Hoare annotation was computed. [2020-09-25 06:51:12,662 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-09-25 06:51:12,662 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-25 06:51:12,662 INFO L268 CegarLoopResult]: For program point L23-3(lines 23 25) no Hoare annotation was computed. [2020-09-25 06:51:12,662 INFO L268 CegarLoopResult]: For program point L23-4(line 23) no Hoare annotation was computed. [2020-09-25 06:51:12,662 INFO L268 CegarLoopResult]: For program point L23-5(line 23) no Hoare annotation was computed. [2020-09-25 06:51:12,663 INFO L271 CegarLoopResult]: At program point L23-6(lines 23 25) the Hoare annotation is: true [2020-09-25 06:51:12,663 INFO L268 CegarLoopResult]: For program point L23-7(lines 23 25) no Hoare annotation was computed. [2020-09-25 06:51:12,663 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-09-25 06:51:12,663 INFO L268 CegarLoopResult]: For program point L17-2(lines 17 19) no Hoare annotation was computed. [2020-09-25 06:51:12,663 INFO L268 CegarLoopResult]: For program point L17-3(line 17) no Hoare annotation was computed. [2020-09-25 06:51:12,664 INFO L268 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-09-25 06:51:12,664 INFO L268 CegarLoopResult]: For program point L17-4(line 17) no Hoare annotation was computed. [2020-09-25 06:51:12,664 INFO L268 CegarLoopResult]: For program point L15-2(line 15) no Hoare annotation was computed. [2020-09-25 06:51:12,664 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 12 27) no Hoare annotation was computed. [2020-09-25 06:51:12,664 INFO L271 CegarLoopResult]: At program point L17-5(lines 17 19) the Hoare annotation is: true [2020-09-25 06:51:12,664 INFO L271 CegarLoopResult]: At program point L17-6(lines 17 19) the Hoare annotation is: true [2020-09-25 06:51:12,664 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 12 27) the Hoare annotation is: true [2020-09-25 06:51:12,665 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-09-25 06:51:12,665 INFO L268 CegarLoopResult]: For program point L24-1(line 24) no Hoare annotation was computed. [2020-09-25 06:51:12,665 INFO L268 CegarLoopResult]: For program point L24-2(line 24) no Hoare annotation was computed. [2020-09-25 06:51:12,665 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-09-25 06:51:12,665 INFO L268 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-09-25 06:51:12,666 INFO L268 CegarLoopResult]: For program point L18-2(line 18) no Hoare annotation was computed. [2020-09-25 06:51:12,666 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed. [2020-09-25 06:51:12,666 INFO L268 CegarLoopResult]: For program point L14-1(line 14) no Hoare annotation was computed. [2020-09-25 06:51:12,666 INFO L268 CegarLoopResult]: For program point L14-2(line 14) no Hoare annotation was computed. [2020-09-25 06:51:12,666 INFO L268 CegarLoopResult]: For program point L2-1(line 2) no Hoare annotation was computed. [2020-09-25 06:51:12,666 INFO L268 CegarLoopResult]: For program point L2-3(line 2) no Hoare annotation was computed. [2020-09-25 06:51:12,667 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertENTRY(line 2) no Hoare annotation was computed. [2020-09-25 06:51:12,667 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(line 2) no Hoare annotation was computed. [2020-09-25 06:51:12,667 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2) no Hoare annotation was computed. [2020-09-25 06:51:12,667 INFO L268 CegarLoopResult]: For program point L2(line 2) no Hoare annotation was computed. [2020-09-25 06:51:12,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 06:51:12 BoogieIcfgContainer [2020-09-25 06:51:12,682 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 06:51:12,686 INFO L168 Benchmark]: Toolchain (without parser) took 1154.21 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 103.7 MB in the beginning and 149.3 MB in the end (delta: -45.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2020-09-25 06:51:12,687 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 06:51:12,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.57 ms. Allocated memory is still 140.5 MB. Free memory was 103.0 MB in the beginning and 92.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-09-25 06:51:12,690 INFO L168 Benchmark]: Boogie Preprocessor took 124.09 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 92.8 MB in the beginning and 180.6 MB in the end (delta: -87.8 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-09-25 06:51:12,691 INFO L168 Benchmark]: RCFGBuilder took 444.54 ms. Allocated memory is still 202.9 MB. Free memory was 180.6 MB in the beginning and 162.9 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2020-09-25 06:51:12,692 INFO L168 Benchmark]: TraceAbstraction took 241.93 ms. Allocated memory is still 202.9 MB. Free memory was 162.3 MB in the beginning and 149.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2020-09-25 06:51:12,696 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 333.57 ms. Allocated memory is still 140.5 MB. Free memory was 103.0 MB in the beginning and 92.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.09 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 92.8 MB in the beginning and 180.6 MB in the end (delta: -87.8 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 444.54 ms. Allocated memory is still 202.9 MB. Free memory was 180.6 MB in the beginning and 162.9 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 241.93 ms. Allocated memory is still 202.9 MB. Free memory was 162.3 MB in the beginning and 149.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2]: 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: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 9 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...