/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 01:32:33,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 01:32:33,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 01:32:33,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 01:32:33,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 01:32:33,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 01:32:33,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 01:32:33,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 01:32:33,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 01:32:33,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 01:32:33,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 01:32:33,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 01:32:33,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 01:32:33,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 01:32:33,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 01:32:33,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 01:32:33,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 01:32:33,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 01:32:33,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 01:32:33,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 01:32:33,148 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 01:32:33,163 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 01:32:33,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 01:32:33,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 01:32:33,168 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 01:32:33,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 01:32:33,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 01:32:33,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 01:32:33,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 01:32:33,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 01:32:33,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 01:32:33,171 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 01:32:33,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 01:32:33,172 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 01:32:33,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 01:32:33,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 01:32:33,172 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 01:32:33,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 01:32:33,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 01:32:33,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:32:33,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 01:32:33,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 01:32:33,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 01:32:33,176 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 01:32:33,176 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 01:32:33,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 01:32:33,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 01:32:33,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 01:32:33,635 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 01:32:33,636 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 01:32:33,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c [2021-02-22 01:32:33,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d3f942d8/0c373b3f1ea84b25b2c66576a198e809/FLAGc25bd5fe2 [2021-02-22 01:32:34,398 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 01:32:34,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c [2021-02-22 01:32:34,407 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d3f942d8/0c373b3f1ea84b25b2c66576a198e809/FLAGc25bd5fe2 [2021-02-22 01:32:34,435 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d3f942d8/0c373b3f1ea84b25b2c66576a198e809 [2021-02-22 01:32:34,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 01:32:34,466 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 01:32:34,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 01:32:34,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 01:32:34,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 01:32:34,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:32:34" (1/1) ... [2021-02-22 01:32:34,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f07e57b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:34, skipping insertion in model container [2021-02-22 01:32:34,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:32:34" (1/1) ... [2021-02-22 01:32:34,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 01:32:34,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 01:32:34,736 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c[838,851] [2021-02-22 01:32:34,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:32:34,749 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 01:32:34,766 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c[838,851] [2021-02-22 01:32:34,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:32:34,784 INFO L208 MainTranslator]: Completed translation [2021-02-22 01:32:34,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:34 WrapperNode [2021-02-22 01:32:34,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 01:32:34,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 01:32:34,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 01:32:34,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 01:32:34,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:34" (1/1) ... [2021-02-22 01:32:34,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:34" (1/1) ... [2021-02-22 01:32:34,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:34" (1/1) ... [2021-02-22 01:32:34,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:34" (1/1) ... [2021-02-22 01:32:34,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:34" (1/1) ... [2021-02-22 01:32:34,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:34" (1/1) ... [2021-02-22 01:32:34,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:34" (1/1) ... [2021-02-22 01:32:34,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 01:32:34,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 01:32:34,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 01:32:34,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 01:32:34,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:32:34,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 01:32:34,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 01:32:34,936 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 01:32:34,937 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2021-02-22 01:32:34,937 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 01:32:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 01:32:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 01:32:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 01:32:34,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 01:32:34,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 01:32:34,939 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2021-02-22 01:32:34,939 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 01:32:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 01:32:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 01:32:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 01:32:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 01:32:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 01:32:34,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 01:32:35,238 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 01:32:35,238 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-22 01:32:35,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:32:35 BoogieIcfgContainer [2021-02-22 01:32:35,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 01:32:35,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 01:32:35,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 01:32:35,272 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 01:32:35,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 01:32:34" (1/3) ... [2021-02-22 01:32:35,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c757e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:32:35, skipping insertion in model container [2021-02-22 01:32:35,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:34" (2/3) ... [2021-02-22 01:32:35,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c757e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:32:35, skipping insertion in model container [2021-02-22 01:32:35,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:32:35" (3/3) ... [2021-02-22 01:32:35,276 INFO L111 eAbstractionObserver]: Analyzing ICFG recHanoi03-1.c [2021-02-22 01:32:35,292 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 01:32:35,297 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 01:32:35,320 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 01:32:35,347 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 01:32:35,348 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 01:32:35,348 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 01:32:35,348 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 01:32:35,348 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 01:32:35,348 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 01:32:35,349 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 01:32:35,349 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 01:32:35,366 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2021-02-22 01:32:35,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-02-22 01:32:35,376 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:32:35,377 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:32:35,377 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:32:35,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:32:35,385 INFO L82 PathProgramCache]: Analyzing trace with hash -835109064, now seen corresponding path program 1 times [2021-02-22 01:32:35,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:32:35,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [497663503] [2021-02-22 01:32:35,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:32:35,544 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:32:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 01:32:35,636 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 01:32:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 01:32:35,678 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 01:32:35,733 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-22 01:32:35,734 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-22 01:32:35,736 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 01:32:35,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 01:32:35 BoogieIcfgContainer [2021-02-22 01:32:35,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 01:32:35,771 INFO L168 Benchmark]: Toolchain (without parser) took 1317.05 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 118.9 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.2 MB. Max. memory is 8.0 GB. [2021-02-22 01:32:35,774 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 01:32:35,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.08 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 115.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-22 01:32:35,780 INFO L168 Benchmark]: Boogie Preprocessor took 36.07 ms. Allocated memory is still 151.0 MB. Free memory was 115.7 MB in the beginning and 114.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-22 01:32:35,781 INFO L168 Benchmark]: RCFGBuilder took 417.21 ms. Allocated memory is still 151.0 MB. Free memory was 114.4 MB in the beginning and 100.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-02-22 01:32:35,782 INFO L168 Benchmark]: TraceAbstraction took 507.44 ms. Allocated memory is still 151.0 MB. Free memory was 133.5 MB in the beginning and 118.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-02-22 01:32:35,794 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 314.08 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 115.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.07 ms. Allocated memory is still 151.0 MB. Free memory was 115.7 MB in the beginning and 114.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 417.21 ms. Allocated memory is still 151.0 MB. Free memory was 114.4 MB in the beginning and 100.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 507.44 ms. Allocated memory is still 151.0 MB. Free memory was 133.5 MB in the beginning and 118.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 36]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 33. Possible FailurePath: [L27] int n = __VERIFIER_nondet_int(); [L28] COND FALSE !(n < 1) [L31] CALL, EXPR hanoi(n) [L19] COND TRUE n == 1 [L20] return 1; [L31] RET, EXPR hanoi(n) [L31] unsigned result = hanoi(n); [L33] COND FALSE !(result+1>0 && result+1 == 1<