/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:14:22,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:14:22,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:14:22,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:14:22,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:14:22,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:14:22,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:14:22,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:14:22,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:14:22,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:14:22,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:14:22,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:14:22,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:14:22,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:14:22,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:14:22,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:14:22,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:14:22,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:14:22,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:14:22,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:14:22,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:14:22,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:14:22,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:14:22,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:14:22,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 13:14:22,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 13:14:22,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 13:14:22,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 13:14:22,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 13:14:22,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 13:14:22,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 13:14:22,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 13:14:22,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 13:14:22,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 13:14:22,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 13:14:22,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 13:14:22,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 13:14:22,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 13:14:22,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:14:22,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:14:22,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:14:22,749 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 13:14:22,778 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:14:22,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:14:22,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:14:22,780 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:14:22,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:14:22,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:14:22,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:14:22,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:14:22,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:14:22,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:14:22,785 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:14:22,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:14:22,785 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:14:22,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:14:22,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:14:22,786 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:14:22,786 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:14:22,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:14:22,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:14:22,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:14:22,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:14:22,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:14:22,788 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:14:23,110 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:14:23,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:14:23,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:14:23,128 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:14:23,129 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:14:23,130 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c [2020-07-17 13:14:23,206 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25466472c/77f1829e2d4a4f67b36c72173b416d0a/FLAG8aa85c01f [2020-07-17 13:14:23,647 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:14:23,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c [2020-07-17 13:14:23,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25466472c/77f1829e2d4a4f67b36c72173b416d0a/FLAG8aa85c01f [2020-07-17 13:14:24,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25466472c/77f1829e2d4a4f67b36c72173b416d0a [2020-07-17 13:14:24,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:14:24,048 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:14:24,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:14:24,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:14:24,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:14:24,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:14:24" (1/1) ... [2020-07-17 13:14:24,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff6435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:24, skipping insertion in model container [2020-07-17 13:14:24,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:14:24" (1/1) ... [2020-07-17 13:14:24,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:14:24,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:14:24,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:14:24,267 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:14:24,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:14:24,299 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:14:24,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:24 WrapperNode [2020-07-17 13:14:24,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:14:24,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:14:24,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:14:24,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:14:24,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:24" (1/1) ... [2020-07-17 13:14:24,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:24" (1/1) ... [2020-07-17 13:14:24,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:24" (1/1) ... [2020-07-17 13:14:24,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:24" (1/1) ... [2020-07-17 13:14:24,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:24" (1/1) ... [2020-07-17 13:14:24,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:24" (1/1) ... [2020-07-17 13:14:24,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:24" (1/1) ... [2020-07-17 13:14:24,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:14:24,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:14:24,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:14:24,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:14:24,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:24" (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 13:14:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:14:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:14:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2020-07-17 13:14:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:14:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:14:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 13:14:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2020-07-17 13:14:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:14:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:14:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:14:24,725 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:14:24,726 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 13:14:24,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:14:24 BoogieIcfgContainer [2020-07-17 13:14:24,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:14:24,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:14:24,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:14:24,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:14:24,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:14:24" (1/3) ... [2020-07-17 13:14:24,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f5c83c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:14:24, skipping insertion in model container [2020-07-17 13:14:24,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:24" (2/3) ... [2020-07-17 13:14:24,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f5c83c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:14:24, skipping insertion in model container [2020-07-17 13:14:24,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:14:24" (3/3) ... [2020-07-17 13:14:24,758 INFO L109 eAbstractionObserver]: Analyzing ICFG recHanoi03-1.c [2020-07-17 13:14:24,784 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:14:24,800 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:14:24,816 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:14:24,839 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:14:24,839 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:14:24,840 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:14:24,840 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:14:24,840 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:14:24,840 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:14:24,840 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:14:24,840 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:14:24,856 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-07-17 13:14:24,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-17 13:14:24,868 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:14:24,869 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:14:24,870 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:14:24,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:14:24,876 INFO L82 PathProgramCache]: Analyzing trace with hash -476090176, now seen corresponding path program 1 times [2020-07-17 13:14:24,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:14:24,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1168611517] [2020-07-17 13:14:24,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:14:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 13:14:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 13:14:25,064 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:14:25,066 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 13:14:25,067 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 13:14:25,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:14:25,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 01:14:25 BoogieIcfgContainer [2020-07-17 13:14:25,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 13:14:25,086 INFO L168 Benchmark]: Toolchain (without parser) took 1038.38 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 103.9 MB in the beginning and 153.4 MB in the end (delta: -49.5 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:25,095 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 13:14:25,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.52 ms. Allocated memory is still 138.4 MB. Free memory was 103.5 MB in the beginning and 94.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:25,098 INFO L168 Benchmark]: Boogie Preprocessor took 31.64 ms. Allocated memory is still 138.4 MB. Free memory was 94.0 MB in the beginning and 92.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:25,099 INFO L168 Benchmark]: RCFGBuilder took 399.64 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 92.5 MB in the beginning and 167.1 MB in the end (delta: -74.6 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:25,100 INFO L168 Benchmark]: TraceAbstraction took 342.09 ms. Allocated memory is still 200.3 MB. Free memory was 166.5 MB in the beginning and 153.4 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:25,104 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 250.52 ms. Allocated memory is still 138.4 MB. Free memory was 103.5 MB in the beginning and 94.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.64 ms. Allocated memory is still 138.4 MB. Free memory was 94.0 MB in the beginning and 92.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 399.64 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 92.5 MB in the beginning and 167.1 MB in the end (delta: -74.6 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 342.09 ms. Allocated memory is still 200.3 MB. Free memory was 166.5 MB in the beginning and 153.4 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 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) [L29] CALL, EXPR hanoi(n) [L17] COND TRUE n == 1 [L18] return 1; [L29] RET, EXPR hanoi(n) [L29] unsigned result = hanoi(n); [L31] COND FALSE !(result+1>0 && result+1 == 1<