/usr/bin/java -ea -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 0.1.25-267fbe0 [2020-07-17 22:06:24,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:06:24,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:06:24,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:06:24,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:06:24,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:06:24,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:06:24,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:06:24,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:06:24,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:06:24,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:06:24,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:06:24,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:06:24,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:06:24,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:06:24,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:06:24,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:06:24,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:06:24,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:06:24,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:06:24,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:06:24,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:06:24,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:06:24,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:06:24,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:06:24,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 22:06:24,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 22:06:24,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 22:06:24,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 22:06:24,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 22:06:24,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 22:06:24,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 22:06:24,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 22:06:24,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:06:24,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:06:24,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:06:24,414 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 [2020-07-17 22:06:24,451 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:06:24,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:06:24,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:06:24,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:06:24,453 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:06:24,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:06:24,454 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:06:24,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:06:24,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:06:24,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:06:24,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:06:24,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:06:24,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:06:24,455 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:06:24,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:06:24,459 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:06:24,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:06:24,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:06:24,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:06:24,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:06:24,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:06:24,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:06:24,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:06:24,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:06:24,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:06:24,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:06:24,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:06:24,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:06:24,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:06:24,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:06:24,725 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:06:24,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:06:24,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:06:24,742 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:06:24,742 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:06:24,743 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c [2020-07-17 22:06:24,812 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/729895e64/151f31e94c0f4fff98907799b0c9ac63/FLAG0707dde6b [2020-07-17 22:06:25,207 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:06:25,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c [2020-07-17 22:06:25,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/729895e64/151f31e94c0f4fff98907799b0c9ac63/FLAG0707dde6b [2020-07-17 22:06:25,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/729895e64/151f31e94c0f4fff98907799b0c9ac63 [2020-07-17 22:06:25,586 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:06:25,588 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:06:25,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:06:25,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:06:25,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:06:25,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:06:25" (1/1) ... [2020-07-17 22:06:25,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cbfc568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:25, skipping insertion in model container [2020-07-17 22:06:25,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:06:25" (1/1) ... [2020-07-17 22:06:25,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:06:25,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:06:25,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:06:25,803 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:06:25,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:06:25,836 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:06:25,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:25 WrapperNode [2020-07-17 22:06:25,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:06:25,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:06:25,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:06:25,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:06:25,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:25" (1/1) ... [2020-07-17 22:06:25,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:25" (1/1) ... [2020-07-17 22:06:25,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:25" (1/1) ... [2020-07-17 22:06:25,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:25" (1/1) ... [2020-07-17 22:06:25,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:25" (1/1) ... [2020-07-17 22:06:25,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:25" (1/1) ... [2020-07-17 22:06:25,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:25" (1/1) ... [2020-07-17 22:06:25,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:06:25,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:06:25,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:06:25,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:06:25,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:25" (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 [2020-07-17 22:06:26,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:06:26,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:06:26,000 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2020-07-17 22:06:26,000 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:06:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:06:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 22:06:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2020-07-17 22:06:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:06:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:06:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:06:26,271 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:06:26,272 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 22:06:26,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:06:26 BoogieIcfgContainer [2020-07-17 22:06:26,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:06:26,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:06:26,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:06:26,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:06:26,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:06:25" (1/3) ... [2020-07-17 22:06:26,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710416b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:06:26, skipping insertion in model container [2020-07-17 22:06:26,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:25" (2/3) ... [2020-07-17 22:06:26,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710416b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:06:26, skipping insertion in model container [2020-07-17 22:06:26,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:06:26" (3/3) ... [2020-07-17 22:06:26,284 INFO L109 eAbstractionObserver]: Analyzing ICFG recHanoi03-1.c [2020-07-17 22:06:26,298 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:06:26,306 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:06:26,339 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:06:26,366 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:06:26,366 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:06:26,366 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:06:26,366 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:06:26,367 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:06:26,367 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:06:26,367 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:06:26,367 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:06:26,385 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-07-17 22:06:26,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-17 22:06:26,391 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:06:26,392 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:06:26,392 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:06:26,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:06:26,398 INFO L82 PathProgramCache]: Analyzing trace with hash 913793727, now seen corresponding path program 1 times [2020-07-17 22:06:26,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:06:26,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7010964] [2020-07-17 22:06:26,407 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:06:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:06:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:06:26,557 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 22:06:26,557 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 22:06:26,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:06:26,583 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:06:26,583 WARN L170 areAnnotationChecker]: hanoiENTRY has no Hoare annotation [2020-07-17 22:06:26,584 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:06:26,584 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:06:26,584 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 22:06:26,584 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:06:26,584 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-17 22:06:26,584 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-17 22:06:26,585 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:06:26,585 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:06:26,585 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-17 22:06:26,585 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-17 22:06:26,585 WARN L170 areAnnotationChecker]: hanoiFINAL has no Hoare annotation [2020-07-17 22:06:26,585 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-17 22:06:26,586 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-17 22:06:26,586 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:06:26,586 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:06:26,586 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-17 22:06:26,586 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-17 22:06:26,586 WARN L170 areAnnotationChecker]: hanoiEXIT has no Hoare annotation [2020-07-17 22:06:26,586 WARN L170 areAnnotationChecker]: hanoiEXIT has no Hoare annotation [2020-07-17 22:06:26,587 WARN L170 areAnnotationChecker]: L20-1 has no Hoare annotation [2020-07-17 22:06:26,587 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:06:26,587 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-17 22:06:26,587 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-17 22:06:26,587 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-17 22:06:26,587 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-17 22:06:26,588 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-17 22:06:26,588 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-17 22:06:26,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:06:26 BoogieIcfgContainer [2020-07-17 22:06:26,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:06:26,595 INFO L168 Benchmark]: Toolchain (without parser) took 1006.68 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.9 MB in the beginning and 151.4 MB in the end (delta: -49.5 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2020-07-17 22:06:26,596 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-17 22:06:26,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.69 ms. Allocated memory is still 138.4 MB. Free memory was 101.7 MB in the beginning and 91.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-17 22:06:26,598 INFO L168 Benchmark]: Boogie Preprocessor took 26.92 ms. Allocated memory is still 138.4 MB. Free memory was 91.6 MB in the beginning and 90.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-17 22:06:26,599 INFO L168 Benchmark]: RCFGBuilder took 411.34 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 90.0 MB in the beginning and 166.7 MB in the end (delta: -76.7 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:06:26,600 INFO L168 Benchmark]: TraceAbstraction took 314.83 ms. Allocated memory is still 202.9 MB. Free memory was 166.7 MB in the beginning and 151.4 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2020-07-17 22:06:26,604 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 247.69 ms. Allocated memory is still 138.4 MB. Free memory was 101.7 MB in the beginning and 91.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.92 ms. Allocated memory is still 138.4 MB. Free memory was 91.6 MB in the beginning and 90.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 411.34 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 90.0 MB in the beginning and 166.7 MB in the end (delta: -76.7 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 314.83 ms. Allocated memory is still 202.9 MB. Free memory was 166.7 MB in the beginning and 151.4 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 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<