/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 0.1.25-86f66a4 [2020-07-07 13:02:49,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 13:02:49,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 13:02:49,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 13:02:49,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 13:02:49,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 13:02:49,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 13:02:49,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 13:02:49,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 13:02:49,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 13:02:49,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 13:02:49,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 13:02:49,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 13:02:49,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 13:02:49,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 13:02:49,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 13:02:49,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 13:02:49,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 13:02:49,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 13:02:49,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 13:02:49,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 13:02:49,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 13:02:49,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 13:02:49,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 13:02:49,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 13:02:49,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 13:02:49,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 13:02:49,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 13:02:49,705 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 13:02:49,719 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 13:02:49,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 13:02:49,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 13:02:49,722 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 13:02:49,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 13:02:49,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 13:02:49,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 13:02:49,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 13:02:49,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 13:02:49,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 13:02:49,724 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 13:02:49,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 13:02:49,725 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 13:02:49,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 13:02:49,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 13:02:49,727 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 13:02:49,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 13:02:49,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 13:02:49,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 13:02:49,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 13:02:49,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 13:02:49,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 13:02:49,728 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 13:02:50,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 13:02:50,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 13:02:50,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 13:02:50,018 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 13:02:50,019 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 13:02:50,020 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c [2020-07-07 13:02:50,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/632f76a90/d9c3bef313394a5082a60021376fdd75/FLAG7cf255cc6 [2020-07-07 13:02:50,540 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 13:02:50,540 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c [2020-07-07 13:02:50,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/632f76a90/d9c3bef313394a5082a60021376fdd75/FLAG7cf255cc6 [2020-07-07 13:02:50,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/632f76a90/d9c3bef313394a5082a60021376fdd75 [2020-07-07 13:02:50,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 13:02:50,950 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 13:02:50,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 13:02:50,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 13:02:50,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 13:02:50,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 01:02:50" (1/1) ... [2020-07-07 13:02:50,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb8949b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:50, skipping insertion in model container [2020-07-07 13:02:50,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 01:02:50" (1/1) ... [2020-07-07 13:02:50,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 13:02:50,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 13:02:51,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 13:02:51,151 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 13:02:51,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 13:02:51,176 INFO L208 MainTranslator]: Completed translation [2020-07-07 13:02:51,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:51 WrapperNode [2020-07-07 13:02:51,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 13:02:51,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 13:02:51,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 13:02:51,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 13:02:51,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:51" (1/1) ... [2020-07-07 13:02:51,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:51" (1/1) ... [2020-07-07 13:02:51,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:51" (1/1) ... [2020-07-07 13:02:51,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:51" (1/1) ... [2020-07-07 13:02:51,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:51" (1/1) ... [2020-07-07 13:02:51,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:51" (1/1) ... [2020-07-07 13:02:51,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:51" (1/1) ... [2020-07-07 13:02:51,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 13:02:51,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 13:02:51,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 13:02:51,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 13:02:51,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:51" (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 [2020-07-07 13:02:51,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 13:02:51,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 13:02:51,352 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2020-07-07 13:02:51,352 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 13:02:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 13:02:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 13:02:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2020-07-07 13:02:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 13:02:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 13:02:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 13:02:51,539 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 13:02:51,539 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-07 13:02:51,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 01:02:51 BoogieIcfgContainer [2020-07-07 13:02:51,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 13:02:51,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 13:02:51,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 13:02:51,545 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 13:02:51,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 01:02:50" (1/3) ... [2020-07-07 13:02:51,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef9b6a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 01:02:51, skipping insertion in model container [2020-07-07 13:02:51,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:02:51" (2/3) ... [2020-07-07 13:02:51,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef9b6a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 01:02:51, skipping insertion in model container [2020-07-07 13:02:51,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 01:02:51" (3/3) ... [2020-07-07 13:02:51,549 INFO L109 eAbstractionObserver]: Analyzing ICFG recHanoi03-1.c [2020-07-07 13:02:51,559 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 13:02:51,566 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 13:02:51,580 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 13:02:51,602 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 13:02:51,602 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 13:02:51,602 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 13:02:51,602 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 13:02:51,602 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 13:02:51,603 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 13:02:51,603 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 13:02:51,603 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 13:02:51,617 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-07-07 13:02:51,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-07 13:02:51,627 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:02:51,628 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:02:51,628 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:02:51,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:02:51,633 INFO L82 PathProgramCache]: Analyzing trace with hash -476090176, now seen corresponding path program 1 times [2020-07-07 13:02:51,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:02:51,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1924299444] [2020-07-07 13:02:51,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:02:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 13:02:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 13:02:51,772 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:02:51,774 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-07 13:02:51,774 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 13:02:51,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 13:02:51,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 01:02:51 BoogieIcfgContainer [2020-07-07 13:02:51,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 13:02:51,795 INFO L168 Benchmark]: Toolchain (without parser) took 844.86 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 103.3 MB in the beginning and 153.8 MB in the end (delta: -50.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2020-07-07 13:02:51,797 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 13:02:51,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.62 ms. Allocated memory is still 137.9 MB. Free memory was 103.1 MB in the beginning and 93.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-07-07 13:02:51,799 INFO L168 Benchmark]: Boogie Preprocessor took 104.72 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 93.7 MB in the beginning and 180.6 MB in the end (delta: -86.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2020-07-07 13:02:51,800 INFO L168 Benchmark]: RCFGBuilder took 259.77 ms. Allocated memory is still 201.3 MB. Free memory was 179.9 MB in the beginning and 168.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-07-07 13:02:51,801 INFO L168 Benchmark]: TraceAbstraction took 249.31 ms. Allocated memory is still 201.3 MB. Free memory was 167.4 MB in the beginning and 153.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-07-07 13:02:51,805 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 225.62 ms. Allocated memory is still 137.9 MB. Free memory was 103.1 MB in the beginning and 93.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.72 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 93.7 MB in the beginning and 180.6 MB in the end (delta: -86.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 259.77 ms. Allocated memory is still 201.3 MB. Free memory was 179.9 MB in the beginning and 168.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 249.31 ms. Allocated memory is still 201.3 MB. Free memory was 167.4 MB in the beginning and 153.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 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<