/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --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 0.1.25-89f541c [2020-08-28 04:57:09,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-28 04:57:09,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-28 04:57:09,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-28 04:57:09,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-28 04:57:09,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-28 04:57:09,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-28 04:57:09,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-28 04:57:09,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-28 04:57:09,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-28 04:57:09,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-28 04:57:09,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-28 04:57:09,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-28 04:57:09,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-28 04:57:09,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-28 04:57:09,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-28 04:57:09,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-28 04:57:09,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-28 04:57:09,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-28 04:57:09,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-28 04:57:09,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-28 04:57:09,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-28 04:57:09,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-28 04:57:09,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-28 04:57:09,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-28 04:57:09,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-28 04:57:09,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-28 04:57:09,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-28 04:57:09,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-28 04:57:09,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-28 04:57:09,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-28 04:57:09,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-28 04:57:09,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-28 04:57:09,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-28 04:57:09,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-28 04:57:09,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-28 04:57:09,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-28 04:57:09,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-28 04:57:09,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-28 04:57:09,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-28 04:57:09,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-28 04:57:09,275 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 [2020-08-28 04:57:09,328 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 04:57:09,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 04:57:09,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 04:57:09,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 04:57:09,331 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 04:57:09,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 04:57:09,332 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-28 04:57:09,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 04:57:09,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-28 04:57:09,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 04:57:09,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 04:57:09,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 04:57:09,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 04:57:09,336 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-28 04:57:09,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 04:57:09,337 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 04:57:09,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 04:57:09,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 04:57:09,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 04:57:09,338 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 04:57:09,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 04:57:09,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 04:57:09,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 04:57:09,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 04:57:09,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 04:57:09,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 04:57:09,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 04:57:09,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 04:57:09,340 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 04:57:09,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-08-28 04:57:09,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 04:57:09,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 04:57:09,904 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 04:57:09,906 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 04:57:09,906 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 04:57:09,908 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/sanfoundry_43_ground.i [2020-08-28 04:57:10,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da39877b4/e3860a0f685c43b9b06fc64b23275249/FLAG5aaefa31f [2020-08-28 04:57:10,548 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 04:57:10,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-examples/sanfoundry_43_ground.i [2020-08-28 04:57:10,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da39877b4/e3860a0f685c43b9b06fc64b23275249/FLAG5aaefa31f [2020-08-28 04:57:10,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da39877b4/e3860a0f685c43b9b06fc64b23275249 [2020-08-28 04:57:10,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 04:57:10,912 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 04:57:10,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 04:57:10,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 04:57:10,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 04:57:10,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 04:57:10" (1/1) ... [2020-08-28 04:57:10,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df746a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:57:10, skipping insertion in model container [2020-08-28 04:57:10,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 04:57:10" (1/1) ... [2020-08-28 04:57:10,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 04:57:10,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 04:57:11,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 04:57:11,185 INFO L203 MainTranslator]: Completed pre-run [2020-08-28 04:57:11,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 04:57:11,227 INFO L208 MainTranslator]: Completed translation [2020-08-28 04:57:11,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:57:11 WrapperNode [2020-08-28 04:57:11,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 04:57:11,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-28 04:57:11,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-28 04:57:11,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-28 04:57:11,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:57:11" (1/1) ... [2020-08-28 04:57:11,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:57:11" (1/1) ... [2020-08-28 04:57:11,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:57:11" (1/1) ... [2020-08-28 04:57:11,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:57:11" (1/1) ... [2020-08-28 04:57:11,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:57:11" (1/1) ... [2020-08-28 04:57:11,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:57:11" (1/1) ... [2020-08-28 04:57:11,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:57:11" (1/1) ... [2020-08-28 04:57:11,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-28 04:57:11,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-28 04:57:11,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-28 04:57:11,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-28 04:57:11,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:57:11" (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 [2020-08-28 04:57:11,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-28 04:57:11,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-28 04:57:11,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-28 04:57:11,430 INFO L138 BoogieDeclarations]: Found implementation of procedure incrementArray [2020-08-28 04:57:11,431 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-28 04:57:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-28 04:57:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-28 04:57:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-28 04:57:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure incrementArray [2020-08-28 04:57:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-28 04:57:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-28 04:57:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-28 04:57:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-28 04:57:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-28 04:57:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-28 04:57:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-28 04:57:11,761 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-28 04:57:11,762 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-08-28 04:57:11,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 04:57:11 BoogieIcfgContainer [2020-08-28 04:57:11,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-28 04:57:11,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-28 04:57:11,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-28 04:57:11,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-28 04:57:11,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 04:57:10" (1/3) ... [2020-08-28 04:57:11,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184205fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 04:57:11, skipping insertion in model container [2020-08-28 04:57:11,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:57:11" (2/3) ... [2020-08-28 04:57:11,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184205fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 04:57:11, skipping insertion in model container [2020-08-28 04:57:11,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 04:57:11" (3/3) ... [2020-08-28 04:57:11,794 INFO L109 eAbstractionObserver]: Analyzing ICFG sanfoundry_43_ground.i [2020-08-28 04:57:11,805 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-28 04:57:11,816 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-28 04:57:11,837 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-28 04:57:11,863 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-28 04:57:11,863 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-28 04:57:11,863 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-28 04:57:11,863 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-28 04:57:11,864 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-28 04:57:11,864 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-28 04:57:11,864 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-28 04:57:11,864 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-28 04:57:11,883 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-08-28 04:57:11,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-28 04:57:11,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 22 states. [2020-08-28 04:57:11,994 INFO L271 CegarLoopResult]: At program point incrementArrayENTRY(lines 5 11) the Hoare annotation is: true [2020-08-28 04:57:11,994 INFO L268 CegarLoopResult]: For program point incrementArrayEXIT(lines 5 11) no Hoare annotation was computed. [2020-08-28 04:57:11,994 INFO L268 CegarLoopResult]: For program point L8-2(lines 8 10) no Hoare annotation was computed. [2020-08-28 04:57:11,994 INFO L271 CegarLoopResult]: At program point L8-3(lines 8 10) the Hoare annotation is: true [2020-08-28 04:57:11,995 INFO L268 CegarLoopResult]: For program point L8-4(lines 5 11) no Hoare annotation was computed. [2020-08-28 04:57:11,995 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-28 04:57:11,995 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-08-28 04:57:11,995 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-28 04:57:11,995 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-28 04:57:11,996 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-28 04:57:11,996 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-28 04:57:11,996 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-28 04:57:11,996 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 12 27) no Hoare annotation was computed. [2020-08-28 04:57:11,996 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-08-28 04:57:11,996 INFO L268 CegarLoopResult]: For program point L23-2(lines 23 25) no Hoare annotation was computed. [2020-08-28 04:57:11,997 INFO L271 CegarLoopResult]: At program point L23-3(lines 23 25) the Hoare annotation is: true [2020-08-28 04:57:11,997 INFO L268 CegarLoopResult]: For program point L23-4(lines 23 25) no Hoare annotation was computed. [2020-08-28 04:57:11,997 INFO L268 CegarLoopResult]: For program point L17-2(lines 17 19) no Hoare annotation was computed. [2020-08-28 04:57:11,997 INFO L271 CegarLoopResult]: At program point L17-3(lines 17 19) the Hoare annotation is: true [2020-08-28 04:57:11,998 INFO L271 CegarLoopResult]: At program point L17-4(lines 17 19) the Hoare annotation is: true [2020-08-28 04:57:11,998 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 12 27) no Hoare annotation was computed. [2020-08-28 04:57:11,998 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 12 27) the Hoare annotation is: true [2020-08-28 04:57:11,998 INFO L268 CegarLoopResult]: For program point L2-1(line 2) no Hoare annotation was computed. [2020-08-28 04:57:11,998 INFO L268 CegarLoopResult]: For program point L2-3(line 2) no Hoare annotation was computed. [2020-08-28 04:57:11,999 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertENTRY(line 2) no Hoare annotation was computed. [2020-08-28 04:57:11,999 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(line 2) no Hoare annotation was computed. [2020-08-28 04:57:11,999 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2) no Hoare annotation was computed. [2020-08-28 04:57:11,999 INFO L268 CegarLoopResult]: For program point L2(line 2) no Hoare annotation was computed. [2020-08-28 04:57:12,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.08 04:57:12 BoogieIcfgContainer [2020-08-28 04:57:12,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-28 04:57:12,017 INFO L168 Benchmark]: Toolchain (without parser) took 1104.43 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 100.7 MB in the beginning and 148.7 MB in the end (delta: -48.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2020-08-28 04:57:12,019 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-28 04:57:12,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.24 ms. Allocated memory is still 137.9 MB. Free memory was 100.5 MB in the beginning and 90.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-08-28 04:57:12,021 INFO L168 Benchmark]: Boogie Preprocessor took 121.71 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 90.3 MB in the beginning and 177.5 MB in the end (delta: -87.2 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-08-28 04:57:12,022 INFO L168 Benchmark]: RCFGBuilder took 422.44 ms. Allocated memory is still 199.2 MB. Free memory was 176.8 MB in the beginning and 160.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2020-08-28 04:57:12,023 INFO L168 Benchmark]: TraceAbstraction took 237.26 ms. Allocated memory is still 199.2 MB. Free memory was 160.1 MB in the beginning and 148.7 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2020-08-28 04:57:12,027 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 315.24 ms. Allocated memory is still 137.9 MB. Free memory was 100.5 MB in the beginning and 90.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.71 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 90.3 MB in the beginning and 177.5 MB in the end (delta: -87.2 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 422.44 ms. Allocated memory is still 199.2 MB. Free memory was 176.8 MB in the beginning and 160.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 237.26 ms. Allocated memory is still 199.2 MB. Free memory was 160.1 MB in the beginning and 148.7 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 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: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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...