/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-examples/sanfoundry_43_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:34:36,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:34:36,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:34:36,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:34:36,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:34:36,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:34:36,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:34:36,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:34:36,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:34:36,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:34:36,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:34:36,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:34:36,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:34:36,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:34:36,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:34:36,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:34:36,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:34:36,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:34:36,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:34:36,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:34:36,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:34:36,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:34:36,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:34:36,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:34:36,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:34:36,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:34:36,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:34:36,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:34:36,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:34:36,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:34:36,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:34:36,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:34:36,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:34:36,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:34:36,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:34:36,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:34:36,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:34:36,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:34:36,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:34:36,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:34:36,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:34:36,260 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:34:36,286 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:34:36,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:34:36,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:34:36,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:34:36,288 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:34:36,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:34:36,289 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:34:36,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:34:36,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:34:36,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:34:36,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:34:36,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:34:36,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:34:36,290 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:34:36,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:34:36,291 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:34:36,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:34:36,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:34:36,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:34:36,292 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:34:36,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:34:36,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:34:36,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:34:36,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:34:36,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:34:36,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:34:36,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:34:36,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:34:36,294 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:34:36,294 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:34:36,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:34:36,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:34:36,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:34:36,877 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:34:36,879 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:34:36,880 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/sanfoundry_43_ground.i [2020-09-21 12:34:36,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7574eaef6/b2f11d87354d44cf9263b6355b9c5e12/FLAG9a4474c5c [2020-09-21 12:34:37,524 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:34:37,525 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-examples/sanfoundry_43_ground.i [2020-09-21 12:34:37,533 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7574eaef6/b2f11d87354d44cf9263b6355b9c5e12/FLAG9a4474c5c [2020-09-21 12:34:37,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7574eaef6/b2f11d87354d44cf9263b6355b9c5e12 [2020-09-21 12:34:37,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:34:37,888 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:34:37,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:34:37,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:34:37,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:34:37,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:34:37" (1/1) ... [2020-09-21 12:34:37,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b8f57a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:37, skipping insertion in model container [2020-09-21 12:34:37,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:34:37" (1/1) ... [2020-09-21 12:34:37,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:34:37,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:34:38,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:34:38,201 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:34:38,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:34:38,239 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:34:38,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:38 WrapperNode [2020-09-21 12:34:38,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:34:38,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:34:38,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:34:38,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:34:38,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:38" (1/1) ... [2020-09-21 12:34:38,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:38" (1/1) ... [2020-09-21 12:34:38,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:38" (1/1) ... [2020-09-21 12:34:38,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:38" (1/1) ... [2020-09-21 12:34:38,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:38" (1/1) ... [2020-09-21 12:34:38,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:38" (1/1) ... [2020-09-21 12:34:38,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:38" (1/1) ... [2020-09-21 12:34:38,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:34:38,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:34:38,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:34:38,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:34:38,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:34:38,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:34:38,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:34:38,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-21 12:34:38,453 INFO L138 BoogieDeclarations]: Found implementation of procedure incrementArray [2020-09-21 12:34:38,453 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:34:38,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:34:38,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-21 12:34:38,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:34:38,454 INFO L130 BoogieDeclarations]: Found specification of procedure incrementArray [2020-09-21 12:34:38,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:34:38,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:34:38,454 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:34:38,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:34:38,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:34:38,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:34:38,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:34:38,779 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:34:38,779 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-09-21 12:34:38,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:34:38 BoogieIcfgContainer [2020-09-21 12:34:38,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:34:38,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:34:38,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:34:38,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:34:38,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:34:37" (1/3) ... [2020-09-21 12:34:38,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df6b735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:34:38, skipping insertion in model container [2020-09-21 12:34:38,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:38" (2/3) ... [2020-09-21 12:34:38,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df6b735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:34:38, skipping insertion in model container [2020-09-21 12:34:38,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:34:38" (3/3) ... [2020-09-21 12:34:38,794 INFO L109 eAbstractionObserver]: Analyzing ICFG sanfoundry_43_ground.i [2020-09-21 12:34:38,810 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:34:38,821 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:34:38,844 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:34:38,870 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:34:38,870 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:34:38,871 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:34:38,871 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:34:38,871 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:34:38,871 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:34:38,871 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:34:38,871 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:34:38,891 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-09-21 12:34:38,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:34:38,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 22 states. [2020-09-21 12:34:39,011 INFO L271 CegarLoopResult]: At program point incrementArrayENTRY(lines 5 11) the Hoare annotation is: true [2020-09-21 12:34:39,011 INFO L268 CegarLoopResult]: For program point incrementArrayEXIT(lines 5 11) no Hoare annotation was computed. [2020-09-21 12:34:39,011 INFO L268 CegarLoopResult]: For program point L8-2(lines 8 10) no Hoare annotation was computed. [2020-09-21 12:34:39,011 INFO L271 CegarLoopResult]: At program point L8-3(lines 8 10) the Hoare annotation is: true [2020-09-21 12:34:39,012 INFO L268 CegarLoopResult]: For program point L8-4(lines 5 11) no Hoare annotation was computed. [2020-09-21 12:34:39,012 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:34:39,012 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:34:39,012 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:34:39,012 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:34:39,012 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-21 12:34:39,012 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:34:39,014 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:34:39,014 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 12 27) no Hoare annotation was computed. [2020-09-21 12:34:39,014 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-21 12:34:39,014 INFO L268 CegarLoopResult]: For program point L23-2(lines 23 25) no Hoare annotation was computed. [2020-09-21 12:34:39,014 INFO L271 CegarLoopResult]: At program point L23-3(lines 23 25) the Hoare annotation is: true [2020-09-21 12:34:39,015 INFO L268 CegarLoopResult]: For program point L23-4(lines 23 25) no Hoare annotation was computed. [2020-09-21 12:34:39,015 INFO L268 CegarLoopResult]: For program point L17-2(lines 17 19) no Hoare annotation was computed. [2020-09-21 12:34:39,015 INFO L271 CegarLoopResult]: At program point L17-3(lines 17 19) the Hoare annotation is: true [2020-09-21 12:34:39,015 INFO L271 CegarLoopResult]: At program point L17-4(lines 17 19) the Hoare annotation is: true [2020-09-21 12:34:39,015 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 12 27) no Hoare annotation was computed. [2020-09-21 12:34:39,016 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 12 27) the Hoare annotation is: true [2020-09-21 12:34:39,016 INFO L268 CegarLoopResult]: For program point L2-1(line 2) no Hoare annotation was computed. [2020-09-21 12:34:39,016 INFO L268 CegarLoopResult]: For program point L2-3(line 2) no Hoare annotation was computed. [2020-09-21 12:34:39,016 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertENTRY(line 2) no Hoare annotation was computed. [2020-09-21 12:34:39,016 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(line 2) no Hoare annotation was computed. [2020-09-21 12:34:39,018 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2) no Hoare annotation was computed. [2020-09-21 12:34:39,019 INFO L268 CegarLoopResult]: For program point L2(line 2) no Hoare annotation was computed. [2020-09-21 12:34:39,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:34:39 BoogieIcfgContainer [2020-09-21 12:34:39,035 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:34:39,041 INFO L168 Benchmark]: Toolchain (without parser) took 1154.61 ms. Allocated memory was 146.3 MB in the beginning and 201.9 MB in the end (delta: 55.6 MB). Free memory was 102.4 MB in the beginning and 151.8 MB in the end (delta: -49.4 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:34:39,042 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:34:39,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.01 ms. Allocated memory is still 146.3 MB. Free memory was 101.9 MB in the beginning and 91.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:34:39,047 INFO L168 Benchmark]: Boogie Preprocessor took 129.56 ms. Allocated memory was 146.3 MB in the beginning and 201.9 MB in the end (delta: 55.6 MB). Free memory was 91.9 MB in the beginning and 179.1 MB in the end (delta: -87.2 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:34:39,048 INFO L168 Benchmark]: RCFGBuilder took 414.22 ms. Allocated memory is still 201.9 MB. Free memory was 179.1 MB in the beginning and 163.4 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:34:39,049 INFO L168 Benchmark]: TraceAbstraction took 249.61 ms. Allocated memory is still 201.9 MB. Free memory was 162.5 MB in the beginning and 151.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:34:39,062 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 351.01 ms. Allocated memory is still 146.3 MB. Free memory was 101.9 MB in the beginning and 91.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.56 ms. Allocated memory was 146.3 MB in the beginning and 201.9 MB in the end (delta: 55.6 MB). Free memory was 91.9 MB in the beginning and 179.1 MB in the end (delta: -87.2 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 414.22 ms. Allocated memory is still 201.9 MB. Free memory was 179.1 MB in the beginning and 163.4 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 249.61 ms. Allocated memory is still 201.9 MB. Free memory was 162.5 MB in the beginning and 151.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 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...