java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_4-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:32:36,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:32:36,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:32:36,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-11 16:32:36,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:32:36,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:32:36,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:32:36,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:32:36,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:32:36,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:32:36,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:32:36,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:32:36,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:32:36,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:32:36,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:32:36,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:32:36,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:32:36,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-11 16:32:36,440 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:32:36,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:32:36,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:32:36,442 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:32:36,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:32:36,443 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:32:36,443 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:32:36,444 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:32:36,444 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:32:36,444 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:32:36,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:32:36,445 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:32:36,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:32:36,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:32:36,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:32:36,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:32:36,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:32:36,447 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:32:36,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:32:36,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:32:36,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:32:36,448 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:32:36,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:32:36,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:32:36,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:32:36,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:32:36,449 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:32:36,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:32:36,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:32:36,450 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:32:36,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:32:36,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:32:36,505 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:32:36,507 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:32:36,507 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:32:36,508 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_4-1.c [2019-09-11 16:32:36,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c00464ac/37a4815786654bfd813b46e6e1cdde75/FLAGd818c3551 [2019-09-11 16:32:37,040 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:32:37,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_2calls_4-1.c [2019-09-11 16:32:37,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c00464ac/37a4815786654bfd813b46e6e1cdde75/FLAGd818c3551 [2019-09-11 16:32:37,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c00464ac/37a4815786654bfd813b46e6e1cdde75 [2019-09-11 16:32:37,433 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:32:37,435 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:32:37,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:32:37,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:32:37,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:32:37,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:32:37" (1/1) ... [2019-09-11 16:32:37,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f002b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:32:37, skipping insertion in model container [2019-09-11 16:32:37,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:32:37" (1/1) ... [2019-09-11 16:32:37,450 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:32:37,464 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:32:37,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:32:37,654 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:32:37,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:32:37,682 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:32:37,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:32:37 WrapperNode [2019-09-11 16:32:37,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:32:37,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:32:37,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:32:37,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:32:37,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:32:37" (1/1) ... [2019-09-11 16:32:37,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:32:37" (1/1) ... [2019-09-11 16:32:37,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:32:37" (1/1) ... [2019-09-11 16:32:37,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:32:37" (1/1) ... [2019-09-11 16:32:37,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:32:37" (1/1) ... [2019-09-11 16:32:37,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:32:37" (1/1) ... [2019-09-11 16:32:37,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:32:37" (1/1) ... [2019-09-11 16:32:37,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:32:37,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:32:37,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:32:37,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:32:37,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:32:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:32:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:32:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:32:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2019-09-11 16:32:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2019-09-11 16:32:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:32:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 16:32:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:32:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2019-09-11 16:32:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2019-09-11 16:32:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:32:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:32:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:32:38,060 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:32:38,061 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:32:38,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:32:38 BoogieIcfgContainer [2019-09-11 16:32:38,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:32:38,074 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:32:38,074 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:32:38,075 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:32:38,076 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:32:38" (1/1) ... [2019-09-11 16:32:38,118 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:32:38,262 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-11 16:32:38,269 INFO L272 AbstractInterpreter]: Visited 38 different actions 88 times. Never merged. Never widened. Performed 82 root evaluator evaluations with a maximum evaluation depth of 4. Performed 82 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Never found a fixpoint. Largest state had 5 variables. [2019-09-11 16:32:38,269 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:32:38,272 INFO L168 Benchmark]: Toolchain (without parser) took 835.93 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 90.2 MB in the beginning and 156.3 MB in the end (delta: -66.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:32:38,273 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:32:38,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.92 ms. Allocated memory is still 133.7 MB. Free memory was 89.7 MB in the beginning and 80.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:32:38,275 INFO L168 Benchmark]: Boogie Preprocessor took 109.22 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 80.3 MB in the beginning and 175.8 MB in the end (delta: -95.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:32:38,277 INFO L168 Benchmark]: RCFGBuilder took 270.44 ms. Allocated memory is still 199.8 MB. Free memory was 175.8 MB in the beginning and 163.4 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:32:38,278 INFO L168 Benchmark]: Abstract Interpretation took 195.25 ms. Allocated memory is still 199.8 MB. Free memory was 163.4 MB in the beginning and 156.3 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:32:38,284 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 247.92 ms. Allocated memory is still 133.7 MB. Free memory was 89.7 MB in the beginning and 80.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.22 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 80.3 MB in the beginning and 175.8 MB in the end (delta: -95.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 270.44 ms. Allocated memory is still 199.8 MB. Free memory was 175.8 MB in the beginning and 163.4 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 195.25 ms. Allocated memory is still 199.8 MB. Free memory was 163.4 MB in the beginning and 156.3 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - PositiveResult [Line: 39]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate proved your program to be correct! Received shutdown request...