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 -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 0.1.24-efa34d5 [2019-09-16 16:13:55,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:13:55,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:13:55,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:13:55,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:13:55,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:13:55,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:13:55,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:13:55,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:13:55,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:13:55,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:13:55,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:13:55,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:13:55,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:13:55,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:13:55,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:13:55,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:13:55,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:13:55,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:13:55,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:13:55,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:13:55,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:13:55,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:13:55,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:13:55,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 16:13:55,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 16:13:55,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 16:13:55,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 16:13:55,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 16:13:55,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 16:13:55,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 16:13:55,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 16:13:55,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 16:13:55,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 16:13:55,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 16:13:55,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 16:13:55,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 16:13:55,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 16:13:55,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:13:55,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:13:55,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:13:55,938 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-16 16:13:55,952 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:13:55,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:13:55,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:13:55,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:13:55,954 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:13:55,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:13:55,954 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:13:55,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:13:55,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:13:55,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:13:55,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:13:55,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:13:55,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:13:55,956 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:13:55,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:13:55,956 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:13:55,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:13:55,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:13:55,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:13:55,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:13:55,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:13:55,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:13:55,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:13:55,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:13:55,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:13:55,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:13:55,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:13:55,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:13:55,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:13:55,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:13:56,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:13:56,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:13:56,006 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:13:56,006 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:13:56,007 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/sanfoundry_43_ground.i [2019-09-16 16:13:56,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d3569e7e/d5e8a1b4bf6c4eab89e145e441e9a772/FLAG361dbee03 [2019-09-16 16:13:56,535 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:13:56,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/sanfoundry_43_ground.i [2019-09-16 16:13:56,544 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d3569e7e/d5e8a1b4bf6c4eab89e145e441e9a772/FLAG361dbee03 [2019-09-16 16:13:56,908 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d3569e7e/d5e8a1b4bf6c4eab89e145e441e9a772 [2019-09-16 16:13:56,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:13:56,921 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:13:56,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:13:56,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:13:56,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:13:56,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:13:56" (1/1) ... [2019-09-16 16:13:56,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d63c82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:13:56, skipping insertion in model container [2019-09-16 16:13:56,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:13:56" (1/1) ... [2019-09-16 16:13:56,938 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:13:56,954 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:13:57,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:13:57,128 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:13:57,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:13:57,160 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:13:57,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:13:57 WrapperNode [2019-09-16 16:13:57,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:13:57,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:13:57,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:13:57,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:13:57,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:13:57" (1/1) ... [2019-09-16 16:13:57,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:13:57" (1/1) ... [2019-09-16 16:13:57,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:13:57" (1/1) ... [2019-09-16 16:13:57,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:13:57" (1/1) ... [2019-09-16 16:13:57,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:13:57" (1/1) ... [2019-09-16 16:13:57,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:13:57" (1/1) ... [2019-09-16 16:13:57,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:13:57" (1/1) ... [2019-09-16 16:13:57,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:13:57,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:13:57,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:13:57,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:13:57,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:13:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-09-16 16:13:57,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:13:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:13:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 16:13:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure incrementArray [2019-09-16 16:13:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:13:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:13:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 16:13:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 16:13:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure incrementArray [2019-09-16 16:13:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 16:13:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 16:13:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:13:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 16:13:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 16:13:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:13:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:13:57,622 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:13:57,622 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-16 16:13:57,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:13:57 BoogieIcfgContainer [2019-09-16 16:13:57,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:13:57,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:13:57,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:13:57,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:13:57,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:13:56" (1/3) ... [2019-09-16 16:13:57,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5848f4ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:13:57, skipping insertion in model container [2019-09-16 16:13:57,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:13:57" (2/3) ... [2019-09-16 16:13:57,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5848f4ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:13:57, skipping insertion in model container [2019-09-16 16:13:57,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:13:57" (3/3) ... [2019-09-16 16:13:57,641 INFO L109 eAbstractionObserver]: Analyzing ICFG sanfoundry_43_ground.i [2019-09-16 16:13:57,654 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:13:57,661 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:13:57,677 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:13:57,710 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:13:57,711 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:13:57,711 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:13:57,711 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:13:57,711 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:13:57,711 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:13:57,712 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:13:57,712 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:13:57,712 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:13:57,727 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-09-16 16:13:57,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:13:57,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 22 states. [2019-09-16 16:13:57,813 INFO L446 ceAbstractionStarter]: At program point incrementArrayENTRY(lines 5 11) the Hoare annotation is: true [2019-09-16 16:13:57,813 INFO L443 ceAbstractionStarter]: For program point incrementArrayEXIT(lines 5 11) no Hoare annotation was computed. [2019-09-16 16:13:57,813 INFO L443 ceAbstractionStarter]: For program point L8-2(lines 8 10) no Hoare annotation was computed. [2019-09-16 16:13:57,813 INFO L446 ceAbstractionStarter]: At program point L8-3(lines 8 10) the Hoare annotation is: true [2019-09-16 16:13:57,814 INFO L443 ceAbstractionStarter]: For program point L8-4(lines 5 11) no Hoare annotation was computed. [2019-09-16 16:13:57,814 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:13:57,814 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:13:57,814 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:13:57,814 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:13:57,814 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-16 16:13:57,815 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:13:57,815 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:13:57,815 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 12 27) no Hoare annotation was computed. [2019-09-16 16:13:57,815 INFO L443 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2019-09-16 16:13:57,815 INFO L443 ceAbstractionStarter]: For program point L23-2(lines 23 25) no Hoare annotation was computed. [2019-09-16 16:13:57,815 INFO L446 ceAbstractionStarter]: At program point L23-3(lines 23 25) the Hoare annotation is: true [2019-09-16 16:13:57,816 INFO L443 ceAbstractionStarter]: For program point L23-4(lines 23 25) no Hoare annotation was computed. [2019-09-16 16:13:57,816 INFO L443 ceAbstractionStarter]: For program point L17-2(lines 17 19) no Hoare annotation was computed. [2019-09-16 16:13:57,816 INFO L446 ceAbstractionStarter]: At program point L17-3(lines 17 19) the Hoare annotation is: true [2019-09-16 16:13:57,816 INFO L446 ceAbstractionStarter]: At program point L17-4(lines 17 19) the Hoare annotation is: true [2019-09-16 16:13:57,816 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 12 27) no Hoare annotation was computed. [2019-09-16 16:13:57,817 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 12 27) the Hoare annotation is: true [2019-09-16 16:13:57,817 INFO L443 ceAbstractionStarter]: For program point L2-1(line 2) no Hoare annotation was computed. [2019-09-16 16:13:57,817 INFO L443 ceAbstractionStarter]: For program point L2-3(line 2) no Hoare annotation was computed. [2019-09-16 16:13:57,817 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertENTRY(line 2) no Hoare annotation was computed. [2019-09-16 16:13:57,819 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2) no Hoare annotation was computed. [2019-09-16 16:13:57,820 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 2) no Hoare annotation was computed. [2019-09-16 16:13:57,820 INFO L443 ceAbstractionStarter]: For program point L2(line 2) no Hoare annotation was computed. [2019-09-16 16:13:57,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:13:57 BoogieIcfgContainer [2019-09-16 16:13:57,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:13:57,836 INFO L168 Benchmark]: Toolchain (without parser) took 910.62 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 87.5 MB in the beginning and 148.5 MB in the end (delta: -61.0 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2019-09-16 16:13:57,839 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 16:13:57,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.16 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 77.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-16 16:13:57,841 INFO L168 Benchmark]: Boogie Preprocessor took 128.41 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 77.3 MB in the beginning and 175.9 MB in the end (delta: -98.7 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-16 16:13:57,843 INFO L168 Benchmark]: RCFGBuilder took 337.00 ms. Allocated memory is still 199.8 MB. Free memory was 175.9 MB in the beginning and 160.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-09-16 16:13:57,844 INFO L168 Benchmark]: TraceAbstraction took 202.02 ms. Allocated memory is still 199.8 MB. Free memory was 159.9 MB in the beginning and 148.5 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-16 16:13:57,852 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 237.16 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 77.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.41 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 77.3 MB in the beginning and 175.9 MB in the end (delta: -98.7 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 337.00 ms. Allocated memory is still 199.8 MB. Free memory was 175.9 MB in the beginning and 160.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 202.02 ms. Allocated memory is still 199.8 MB. Free memory was 159.9 MB in the beginning and 148.5 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. SAFE Result, 0.1s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 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...