/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=BIGGEST --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 0.1.25-177f698 [2020-08-21 17:26:59,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 17:26:59,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 17:26:59,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 17:26:59,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 17:26:59,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 17:26:59,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 17:26:59,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 17:26:59,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 17:26:59,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 17:26:59,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 17:26:59,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 17:26:59,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 17:26:59,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 17:26:59,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 17:26:59,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 17:26:59,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 17:26:59,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 17:26:59,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 17:26:59,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 17:26:59,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 17:26:59,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 17:26:59,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 17:26:59,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 17:26:59,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 17:26:59,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 17:26:59,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 17:26:59,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 17:26:59,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 17:26:59,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 17:26:59,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 17:26:59,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 17:26:59,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 17:26:59,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 17:26:59,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 17:26:59,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 17:26:59,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 17:26:59,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 17:26:59,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 17:26:59,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 17:26:59,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 17:26:59,742 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 [2020-08-21 17:26:59,773 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 17:26:59,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 17:26:59,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 17:26:59,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 17:26:59,776 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 17:26:59,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 17:26:59,776 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 17:26:59,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 17:26:59,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 17:26:59,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 17:26:59,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 17:26:59,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 17:26:59,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 17:26:59,779 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 17:26:59,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 17:26:59,781 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 17:26:59,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 17:26:59,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 17:26:59,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 17:26:59,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 17:26:59,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 17:26:59,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 17:26:59,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 17:26:59,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 17:26:59,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 17:26:59,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 17:26:59,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 17:26:59,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 17:26:59,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 17:26:59,784 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=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-08-21 17:27:00,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 17:27:00,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 17:27:00,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 17:27:00,128 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 17:27:00,129 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 17:27:00,129 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/sanfoundry_43_ground.i [2020-08-21 17:27:00,204 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b996ac94/f65e69cb8c2d4f27b87d9a158e037d0f/FLAGd58b0a507 [2020-08-21 17:27:00,635 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 17:27:00,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-examples/sanfoundry_43_ground.i [2020-08-21 17:27:00,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b996ac94/f65e69cb8c2d4f27b87d9a158e037d0f/FLAGd58b0a507 [2020-08-21 17:27:01,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b996ac94/f65e69cb8c2d4f27b87d9a158e037d0f [2020-08-21 17:27:01,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 17:27:01,062 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 17:27:01,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 17:27:01,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 17:27:01,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 17:27:01,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:27:01" (1/1) ... [2020-08-21 17:27:01,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ab8c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:27:01, skipping insertion in model container [2020-08-21 17:27:01,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:27:01" (1/1) ... [2020-08-21 17:27:01,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 17:27:01,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 17:27:01,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:27:01,304 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 17:27:01,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:27:01,336 INFO L208 MainTranslator]: Completed translation [2020-08-21 17:27:01,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:27:01 WrapperNode [2020-08-21 17:27:01,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 17:27:01,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 17:27:01,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 17:27:01,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 17:27:01,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:27:01" (1/1) ... [2020-08-21 17:27:01,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:27:01" (1/1) ... [2020-08-21 17:27:01,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:27:01" (1/1) ... [2020-08-21 17:27:01,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:27:01" (1/1) ... [2020-08-21 17:27:01,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:27:01" (1/1) ... [2020-08-21 17:27:01,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:27:01" (1/1) ... [2020-08-21 17:27:01,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:27:01" (1/1) ... [2020-08-21 17:27:01,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 17:27:01,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 17:27:01,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 17:27:01,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 17:27:01,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:27:01" (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 [2020-08-21 17:27:01,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 17:27:01,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 17:27:01,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-21 17:27:01,527 INFO L138 BoogieDeclarations]: Found implementation of procedure incrementArray [2020-08-21 17:27:01,527 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 17:27:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 17:27:01,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-21 17:27:01,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 17:27:01,528 INFO L130 BoogieDeclarations]: Found specification of procedure incrementArray [2020-08-21 17:27:01,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 17:27:01,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 17:27:01,528 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 17:27:01,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 17:27:01,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 17:27:01,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 17:27:01,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 17:27:01,813 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 17:27:01,813 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-08-21 17:27:01,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:27:01 BoogieIcfgContainer [2020-08-21 17:27:01,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 17:27:01,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 17:27:01,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 17:27:01,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 17:27:01,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 05:27:01" (1/3) ... [2020-08-21 17:27:01,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595598f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:27:01, skipping insertion in model container [2020-08-21 17:27:01,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:27:01" (2/3) ... [2020-08-21 17:27:01,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595598f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:27:01, skipping insertion in model container [2020-08-21 17:27:01,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:27:01" (3/3) ... [2020-08-21 17:27:01,827 INFO L109 eAbstractionObserver]: Analyzing ICFG sanfoundry_43_ground.i [2020-08-21 17:27:01,836 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 17:27:01,842 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 17:27:01,854 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 17:27:01,874 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 17:27:01,875 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 17:27:01,875 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 17:27:01,875 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 17:27:01,875 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 17:27:01,875 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 17:27:01,875 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 17:27:01,875 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 17:27:01,891 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-08-21 17:27:01,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 17:27:01,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 22 states. [2020-08-21 17:27:01,985 INFO L271 CegarLoopResult]: At program point incrementArrayENTRY(lines 5 11) the Hoare annotation is: true [2020-08-21 17:27:01,985 INFO L268 CegarLoopResult]: For program point incrementArrayEXIT(lines 5 11) no Hoare annotation was computed. [2020-08-21 17:27:01,985 INFO L268 CegarLoopResult]: For program point L8-2(lines 8 10) no Hoare annotation was computed. [2020-08-21 17:27:01,986 INFO L271 CegarLoopResult]: At program point L8-3(lines 8 10) the Hoare annotation is: true [2020-08-21 17:27:01,986 INFO L268 CegarLoopResult]: For program point L8-4(lines 5 11) no Hoare annotation was computed. [2020-08-21 17:27:01,986 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:27:01,986 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-08-21 17:27:01,986 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:27:01,987 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:27:01,987 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-21 17:27:01,987 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 17:27:01,987 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:27:01,987 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 12 27) no Hoare annotation was computed. [2020-08-21 17:27:01,988 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-08-21 17:27:01,988 INFO L268 CegarLoopResult]: For program point L23-2(lines 23 25) no Hoare annotation was computed. [2020-08-21 17:27:01,988 INFO L271 CegarLoopResult]: At program point L23-3(lines 23 25) the Hoare annotation is: true [2020-08-21 17:27:01,988 INFO L268 CegarLoopResult]: For program point L23-4(lines 23 25) no Hoare annotation was computed. [2020-08-21 17:27:01,989 INFO L268 CegarLoopResult]: For program point L17-2(lines 17 19) no Hoare annotation was computed. [2020-08-21 17:27:01,989 INFO L271 CegarLoopResult]: At program point L17-3(lines 17 19) the Hoare annotation is: true [2020-08-21 17:27:01,989 INFO L271 CegarLoopResult]: At program point L17-4(lines 17 19) the Hoare annotation is: true [2020-08-21 17:27:01,993 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 12 27) no Hoare annotation was computed. [2020-08-21 17:27:01,993 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 12 27) the Hoare annotation is: true [2020-08-21 17:27:01,993 INFO L268 CegarLoopResult]: For program point L2-1(line 2) no Hoare annotation was computed. [2020-08-21 17:27:01,993 INFO L268 CegarLoopResult]: For program point L2-3(line 2) no Hoare annotation was computed. [2020-08-21 17:27:01,994 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertENTRY(line 2) no Hoare annotation was computed. [2020-08-21 17:27:01,994 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(line 2) no Hoare annotation was computed. [2020-08-21 17:27:01,994 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2) no Hoare annotation was computed. [2020-08-21 17:27:01,994 INFO L268 CegarLoopResult]: For program point L2(line 2) no Hoare annotation was computed. [2020-08-21 17:27:02,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 05:27:02 BoogieIcfgContainer [2020-08-21 17:27:02,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 17:27:02,008 INFO L168 Benchmark]: Toolchain (without parser) took 945.37 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 102.3 MB in the beginning and 150.8 MB in the end (delta: -48.5 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2020-08-21 17:27:02,009 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 17:27:02,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.78 ms. Allocated memory is still 138.9 MB. Free memory was 101.9 MB in the beginning and 91.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-08-21 17:27:02,012 INFO L168 Benchmark]: Boogie Preprocessor took 126.88 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 91.8 MB in the beginning and 179.2 MB in the end (delta: -87.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-08-21 17:27:02,013 INFO L168 Benchmark]: RCFGBuilder took 351.27 ms. Allocated memory is still 201.3 MB. Free memory was 178.5 MB in the beginning and 162.6 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2020-08-21 17:27:02,014 INFO L168 Benchmark]: TraceAbstraction took 187.68 ms. Allocated memory is still 201.3 MB. Free memory was 161.9 MB in the beginning and 150.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2020-08-21 17:27:02,019 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 270.78 ms. Allocated memory is still 138.9 MB. Free memory was 101.9 MB in the beginning and 91.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.88 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 91.8 MB in the beginning and 179.2 MB in the end (delta: -87.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 351.27 ms. Allocated memory is still 201.3 MB. Free memory was 178.5 MB in the beginning and 162.6 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 187.68 ms. Allocated memory is still 201.3 MB. Free memory was 161.9 MB in the beginning and 150.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 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: 0.0s, 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...