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/bitvector-regression/recHanoi03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-07 12:54:32,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-07 12:54:32,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-07 12:54:32,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-07 12:54:32,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-07 12:54:32,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-07 12:54:32,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-07 12:54:32,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-07 12:54:32,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-07 12:54:32,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-07 12:54:32,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-07 12:54:32,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-07 12:54:32,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-07 12:54:32,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-07 12:54:32,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-07 12:54:32,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-07 12:54:32,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-07 12:54:32,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-07 12:54:32,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-07 12:54:32,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-07 12:54:32,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-07 12:54:32,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-07 12:54:32,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-07 12:54:32,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-07 12:54:32,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-07 12:54:32,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-07 12:54:32,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-07 12:54:32,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-07 12:54:32,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-07 12:54:32,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-07 12:54:32,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-07 12:54:32,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-07 12:54:32,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-07 12:54:32,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-07 12:54:32,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-07 12:54:32,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-07 12:54:32,958 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 [2019-09-07 12:54:32,972 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-07 12:54:32,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-07 12:54:32,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-07 12:54:32,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-07 12:54:32,973 INFO L138 SettingsManager]: * Use SBE=true [2019-09-07 12:54:32,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-07 12:54:32,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-07 12:54:32,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-07 12:54:32,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-07 12:54:32,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-07 12:54:32,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-07 12:54:32,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-07 12:54:32,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-07 12:54:32,975 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-07 12:54:32,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-07 12:54:32,975 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-07 12:54:32,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-07 12:54:32,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-07 12:54:32,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-07 12:54:32,976 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-07 12:54:32,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-07 12:54:32,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 12:54:32,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-07 12:54:32,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-07 12:54:32,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-07 12:54:32,977 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-07 12:54:32,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-07 12:54:32,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-07 12:54:32,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-07 12:54:33,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-07 12:54:33,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-07 12:54:33,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-07 12:54:33,022 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-07 12:54:33,022 INFO L275 PluginConnector]: CDTParser initialized [2019-09-07 12:54:33,023 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c [2019-09-07 12:54:33,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7cf63e5/e5a08e1c621f4423ae02519ebd3ce67e/FLAG97e1b945c [2019-09-07 12:54:33,474 INFO L306 CDTParser]: Found 1 translation units. [2019-09-07 12:54:33,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c [2019-09-07 12:54:33,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7cf63e5/e5a08e1c621f4423ae02519ebd3ce67e/FLAG97e1b945c [2019-09-07 12:54:33,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7cf63e5/e5a08e1c621f4423ae02519ebd3ce67e [2019-09-07 12:54:33,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-07 12:54:33,910 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-07 12:54:33,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-07 12:54:33,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-07 12:54:33,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-07 12:54:33,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 12:54:33" (1/1) ... [2019-09-07 12:54:33,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57728f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:33, skipping insertion in model container [2019-09-07 12:54:33,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 12:54:33" (1/1) ... [2019-09-07 12:54:33,925 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-07 12:54:33,941 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-07 12:54:34,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 12:54:34,122 INFO L188 MainTranslator]: Completed pre-run [2019-09-07 12:54:34,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 12:54:34,147 INFO L192 MainTranslator]: Completed translation [2019-09-07 12:54:34,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:34 WrapperNode [2019-09-07 12:54:34,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-07 12:54:34,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-07 12:54:34,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-07 12:54:34,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-07 12:54:34,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:34" (1/1) ... [2019-09-07 12:54:34,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:34" (1/1) ... [2019-09-07 12:54:34,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:34" (1/1) ... [2019-09-07 12:54:34,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:34" (1/1) ... [2019-09-07 12:54:34,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:34" (1/1) ... [2019-09-07 12:54:34,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:34" (1/1) ... [2019-09-07 12:54:34,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:34" (1/1) ... [2019-09-07 12:54:34,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-07 12:54:34,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-07 12:54:34,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-07 12:54:34,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-07 12:54:34,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:34" (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 [2019-09-07 12:54:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-07 12:54:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-07 12:54:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2019-09-07 12:54:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-07 12:54:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-07 12:54:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-07 12:54:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2019-09-07 12:54:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-07 12:54:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-07 12:54:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-07 12:54:34,465 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-07 12:54:34,466 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-07 12:54:34,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 12:54:34 BoogieIcfgContainer [2019-09-07 12:54:34,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-07 12:54:34,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-07 12:54:34,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-07 12:54:34,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-07 12:54:34,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 12:54:33" (1/3) ... [2019-09-07 12:54:34,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a10efc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 12:54:34, skipping insertion in model container [2019-09-07 12:54:34,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:34" (2/3) ... [2019-09-07 12:54:34,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a10efc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 12:54:34, skipping insertion in model container [2019-09-07 12:54:34,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 12:54:34" (3/3) ... [2019-09-07 12:54:34,475 INFO L109 eAbstractionObserver]: Analyzing ICFG recHanoi03-1.c [2019-09-07 12:54:34,484 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-07 12:54:34,491 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-07 12:54:34,510 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-07 12:54:34,555 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-07 12:54:34,556 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-07 12:54:34,556 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-07 12:54:34,556 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-07 12:54:34,556 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-07 12:54:34,556 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-07 12:54:34,556 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-07 12:54:34,557 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-07 12:54:34,557 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-07 12:54:34,579 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-09-07 12:54:34,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-09-07 12:54:34,586 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 12:54:34,587 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 12:54:34,589 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 12:54:34,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 12:54:34,596 INFO L82 PathProgramCache]: Analyzing trace with hash 913793727, now seen corresponding path program 1 times [2019-09-07 12:54:34,598 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 12:54:34,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 12:54:34,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:54:34,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 12:54:34,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:54:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-07 12:54:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-07 12:54:34,731 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-07 12:54:34,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 12:54:34 BoogieIcfgContainer [2019-09-07 12:54:34,753 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-07 12:54:34,757 INFO L168 Benchmark]: Toolchain (without parser) took 845.29 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 88.5 MB in the beginning and 151.9 MB in the end (delta: -63.4 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-07 12:54:34,759 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-07 12:54:34,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.91 ms. Allocated memory is still 133.7 MB. Free memory was 88.1 MB in the beginning and 79.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-07 12:54:34,763 INFO L168 Benchmark]: Boogie Preprocessor took 113.77 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 79.0 MB in the beginning and 176.3 MB in the end (delta: -97.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-07 12:54:34,764 INFO L168 Benchmark]: RCFGBuilder took 205.38 ms. Allocated memory is still 199.8 MB. Free memory was 176.3 MB in the beginning and 165.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-09-07 12:54:34,766 INFO L168 Benchmark]: TraceAbstraction took 285.16 ms. Allocated memory is still 199.8 MB. Free memory was 164.8 MB in the beginning and 151.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-09-07 12:54:34,772 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 236.91 ms. Allocated memory is still 133.7 MB. Free memory was 88.1 MB in the beginning and 79.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.77 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 79.0 MB in the beginning and 176.3 MB in the end (delta: -97.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 205.38 ms. Allocated memory is still 199.8 MB. Free memory was 176.3 MB in the beginning and 165.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 285.16 ms. Allocated memory is still 199.8 MB. Free memory was 164.8 MB in the beginning and 151.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 34]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftLeft at line 31. Possible FailurePath: [L25] int n = __VERIFIER_nondet_int(); [L26] COND FALSE !(n < 1) VAL [n=1] [L29] CALL, EXPR hanoi(n) VAL [\old(n)=1] [L17] COND TRUE n == 1 [L18] return 1; VAL [\old(n)=1, \result=1, n=1] [L29] RET, EXPR hanoi(n) VAL [hanoi(n)=1, n=1] [L29] unsigned result = hanoi(n); [L31] COND FALSE !(result+1>0 && result+1 == 1<