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/array-multidimensional/diff-2-n-u.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 04:24:46,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 04:24:46,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 04:24:46,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 04:24:46,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 04:24:46,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 04:24:46,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 04:24:46,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 04:24:46,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 04:24:46,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 04:24:46,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 04:24:46,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 04:24:46,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 04:24:46,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 04:24:46,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 04:24:46,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 04:24:46,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 04:24:46,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 04:24:46,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 04:24:46,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 04:24:46,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 04:24:46,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 04:24:46,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 04:24:46,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 04:24:46,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 04:24:46,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 04:24:46,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 04:24:46,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 04:24:46,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 04:24:46,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 04:24:46,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 04:24:46,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 04:24:46,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 04:24:46,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 04:24:46,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 04:24:46,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 04:24:46,486 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 [2019-10-03 04:24:46,501 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 04:24:46,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 04:24:46,501 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 04:24:46,501 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 04:24:46,502 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 04:24:46,502 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 04:24:46,502 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 04:24:46,503 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 04:24:46,503 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 04:24:46,503 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 04:24:46,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 04:24:46,504 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 04:24:46,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 04:24:46,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 04:24:46,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 04:24:46,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 04:24:46,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 04:24:46,505 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 04:24:46,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 04:24:46,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 04:24:46,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 04:24:46,506 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 04:24:46,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 04:24:46,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 04:24:46,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 04:24:46,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 04:24:46,507 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 04:24:46,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 04:24:46,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 04:24:46,508 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 04:24:46,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 04:24:46,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 04:24:46,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 04:24:46,550 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 04:24:46,551 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 04:24:46,551 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-multidimensional/diff-2-n-u.c [2019-10-03 04:24:46,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f305f95a4/e86ce73ec39c4acc84d9565b8070a367/FLAG7182f1b42 [2019-10-03 04:24:47,084 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 04:24:47,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-multidimensional/diff-2-n-u.c [2019-10-03 04:24:47,092 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f305f95a4/e86ce73ec39c4acc84d9565b8070a367/FLAG7182f1b42 [2019-10-03 04:24:47,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f305f95a4/e86ce73ec39c4acc84d9565b8070a367 [2019-10-03 04:24:47,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 04:24:47,461 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 04:24:47,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 04:24:47,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 04:24:47,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 04:24:47,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 04:24:47" (1/1) ... [2019-10-03 04:24:47,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d07b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:47, skipping insertion in model container [2019-10-03 04:24:47,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 04:24:47" (1/1) ... [2019-10-03 04:24:47,479 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 04:24:47,498 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 04:24:47,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 04:24:47,775 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 04:24:47,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 04:24:47,972 INFO L192 MainTranslator]: Completed translation [2019-10-03 04:24:47,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:47 WrapperNode [2019-10-03 04:24:47,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 04:24:47,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 04:24:47,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 04:24:47,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 04:24:47,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:47" (1/1) ... [2019-10-03 04:24:47,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:47" (1/1) ... [2019-10-03 04:24:47,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:47" (1/1) ... [2019-10-03 04:24:47,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:47" (1/1) ... [2019-10-03 04:24:48,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:47" (1/1) ... [2019-10-03 04:24:48,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:47" (1/1) ... [2019-10-03 04:24:48,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:47" (1/1) ... [2019-10-03 04:24:48,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 04:24:48,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 04:24:48,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 04:24:48,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 04:24:48,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:47" (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 [2019-10-03 04:24:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 04:24:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 04:24:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-03 04:24:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 04:24:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 04:24:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-03 04:24:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-03 04:24:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 04:24:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 04:24:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 04:24:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 04:24:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 04:24:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 04:24:48,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 04:24:48,465 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 04:24:48,466 INFO L283 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-03 04:24:48,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 04:24:48 BoogieIcfgContainer [2019-10-03 04:24:48,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 04:24:48,468 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 04:24:48,468 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 04:24:48,469 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 04:24:48,469 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 04:24:48" (1/1) ... [2019-10-03 04:24:48,498 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 04:24:48,565 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 04:24:48,570 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 17 root evaluator evaluations with a maximum evaluation depth of 0. Performed 17 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 32 variables. [2019-10-03 04:24:48,571 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 04:24:48,574 INFO L168 Benchmark]: Toolchain (without parser) took 1111.52 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 85.7 MB in the beginning and 151.3 MB in the end (delta: -65.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 04:24:48,575 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 04:24:48,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.98 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 85.3 MB in the beginning and 177.2 MB in the end (delta: -91.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-10-03 04:24:48,577 INFO L168 Benchmark]: Boogie Preprocessor took 59.41 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 174.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-10-03 04:24:48,578 INFO L168 Benchmark]: RCFGBuilder took 432.17 ms. Allocated memory is still 200.3 MB. Free memory was 174.8 MB in the beginning and 156.7 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2019-10-03 04:24:48,579 INFO L168 Benchmark]: Abstract Interpretation took 102.59 ms. Allocated memory is still 200.3 MB. Free memory was 156.1 MB in the beginning and 151.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-03 04:24:48,584 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 512.98 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 85.3 MB in the beginning and 177.2 MB in the end (delta: -91.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.41 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 174.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 432.17 ms. Allocated memory is still 200.3 MB. Free memory was 174.8 MB in the beginning and 156.7 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 102.59 ms. Allocated memory is still 200.3 MB. Free memory was 156.1 MB in the beginning and 151.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 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: 5]: 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...