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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-09 05:45:39,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-09 05:45:39,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-09 05:45:39,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-09 05:45:39,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-09 05:45:39,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-09 05:45:39,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-09 05:45:39,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-09 05:45:39,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-09 05:45:39,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-09 05:45:39,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-09 05:45:39,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-09 05:45:39,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-09 05:45:39,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-09 05:45:39,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-09 05:45:39,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-09 05:45:39,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-09 05:45:39,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-09 05:45:39,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-09 05:45:39,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-09 05:45:39,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-09 05:45:39,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-09 05:45:39,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-09 05:45:39,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-09 05:45:39,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-09 05:45:39,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-09 05:45:39,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-09 05:45:39,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-09 05:45:39,477 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-09 05:45:39,495 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-09 05:45:39,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-09 05:45:39,495 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-09 05:45:39,496 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-09 05:45:39,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-09 05:45:39,497 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-09 05:45:39,497 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-09 05:45:39,497 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-09 05:45:39,498 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-09 05:45:39,498 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-09 05:45:39,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-09 05:45:39,499 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-09 05:45:39,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-09 05:45:39,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-09 05:45:39,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-09 05:45:39,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-09 05:45:39,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-09 05:45:39,500 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-09 05:45:39,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-09 05:45:39,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-09 05:45:39,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-09 05:45:39,501 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-09 05:45:39,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-09 05:45:39,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-09 05:45:39,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-09 05:45:39,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-09 05:45:39,504 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-09 05:45:39,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-09 05:45:39,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-09 05:45:39,504 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-09 05:45:39,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-09 05:45:39,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-09 05:45:39,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-09 05:45:39,580 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-09 05:45:39,580 INFO L275 PluginConnector]: CDTParser initialized [2019-09-09 05:45:39,582 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c [2019-09-09 05:45:39,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bed6dcb52/87624d6ff5bf444ca34e95eaa53d4496/FLAG39c4d4935 [2019-09-09 05:45:40,128 INFO L306 CDTParser]: Found 1 translation units. [2019-09-09 05:45:40,129 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c [2019-09-09 05:45:40,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bed6dcb52/87624d6ff5bf444ca34e95eaa53d4496/FLAG39c4d4935 [2019-09-09 05:45:40,512 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bed6dcb52/87624d6ff5bf444ca34e95eaa53d4496 [2019-09-09 05:45:40,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-09 05:45:40,523 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-09 05:45:40,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-09 05:45:40,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-09 05:45:40,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-09 05:45:40,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:45:40" (1/1) ... [2019-09-09 05:45:40,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c6b5dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:40, skipping insertion in model container [2019-09-09 05:45:40,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:45:40" (1/1) ... [2019-09-09 05:45:40,539 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-09 05:45:40,553 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-09 05:45:40,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:45:40,734 INFO L188 MainTranslator]: Completed pre-run [2019-09-09 05:45:40,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:45:40,767 INFO L192 MainTranslator]: Completed translation [2019-09-09 05:45:40,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:40 WrapperNode [2019-09-09 05:45:40,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-09 05:45:40,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-09 05:45:40,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-09 05:45:40,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-09 05:45:40,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:40" (1/1) ... [2019-09-09 05:45:40,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:40" (1/1) ... [2019-09-09 05:45:40,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:40" (1/1) ... [2019-09-09 05:45:40,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:40" (1/1) ... [2019-09-09 05:45:40,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:40" (1/1) ... [2019-09-09 05:45:40,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:40" (1/1) ... [2019-09-09 05:45:40,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:40" (1/1) ... [2019-09-09 05:45:40,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-09 05:45:40,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-09 05:45:40,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-09 05:45:40,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-09 05:45:40,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:40" (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 [2019-09-09 05:45:40,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-09 05:45:40,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-09 05:45:40,954 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2019-09-09 05:45:40,954 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-09 05:45:40,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-09 05:45:40,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-09 05:45:40,954 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2019-09-09 05:45:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-09 05:45:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-09 05:45:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-09 05:45:41,134 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-09 05:45:41,135 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-09 05:45:41,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:45:41 BoogieIcfgContainer [2019-09-09 05:45:41,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-09 05:45:41,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-09 05:45:41,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-09 05:45:41,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-09 05:45:41,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.09 05:45:40" (1/3) ... [2019-09-09 05:45:41,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6489b674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:45:41, skipping insertion in model container [2019-09-09 05:45:41,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:40" (2/3) ... [2019-09-09 05:45:41,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6489b674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:45:41, skipping insertion in model container [2019-09-09 05:45:41,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:45:41" (3/3) ... [2019-09-09 05:45:41,147 INFO L109 eAbstractionObserver]: Analyzing ICFG recHanoi03-1.c [2019-09-09 05:45:41,160 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-09 05:45:41,182 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-09 05:45:41,232 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-09 05:45:41,267 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-09 05:45:41,267 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-09 05:45:41,267 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-09 05:45:41,268 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-09 05:45:41,268 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-09 05:45:41,268 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-09 05:45:41,268 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-09 05:45:41,268 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-09 05:45:41,284 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-09-09 05:45:41,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-09-09 05:45:41,294 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:45:41,295 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 05:45:41,301 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:45:41,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:45:41,307 INFO L82 PathProgramCache]: Analyzing trace with hash 913793727, now seen corresponding path program 1 times [2019-09-09 05:45:41,308 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:45:41,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:45:41,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:45:41,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:45:41,360 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:45:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-09 05:45:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-09 05:45:41,443 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-09 05:45:41,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.09 05:45:41 BoogieIcfgContainer [2019-09-09 05:45:41,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-09 05:45:41,468 INFO L168 Benchmark]: Toolchain (without parser) took 943.99 ms. Allocated memory was 142.6 MB in the beginning and 199.2 MB in the end (delta: 56.6 MB). Free memory was 90.2 MB in the beginning and 152.7 MB in the end (delta: -62.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-09 05:45:41,469 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 142.6 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-09 05:45:41,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.60 ms. Allocated memory is still 142.6 MB. Free memory was 90.0 MB in the beginning and 80.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-09 05:45:41,472 INFO L168 Benchmark]: Boogie Preprocessor took 131.44 ms. Allocated memory was 142.6 MB in the beginning and 199.2 MB in the end (delta: 56.6 MB). Free memory was 80.7 MB in the beginning and 176.9 MB in the end (delta: -96.3 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-09-09 05:45:41,473 INFO L168 Benchmark]: RCFGBuilder took 236.75 ms. Allocated memory is still 199.2 MB. Free memory was 176.9 MB in the beginning and 165.7 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-09 05:45:41,474 INFO L168 Benchmark]: TraceAbstraction took 327.00 ms. Allocated memory is still 199.2 MB. Free memory was 165.2 MB in the beginning and 152.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2019-09-09 05:45:41,478 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 142.6 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 244.60 ms. Allocated memory is still 142.6 MB. Free memory was 90.0 MB in the beginning and 80.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.44 ms. Allocated memory was 142.6 MB in the beginning and 199.2 MB in the end (delta: 56.6 MB). Free memory was 80.7 MB in the beginning and 176.9 MB in the end (delta: -96.3 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 236.75 ms. Allocated memory is still 199.2 MB. Free memory was 176.9 MB in the beginning and 165.7 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 327.00 ms. Allocated memory is still 199.2 MB. Free memory was 165.2 MB in the beginning and 152.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 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<