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-tiling/rewnifrev2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 19:09:12,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 19:09:12,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 19:09:12,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 19:09:12,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 19:09:12,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 19:09:12,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 19:09:12,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 19:09:12,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 19:09:12,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 19:09:12,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 19:09:12,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 19:09:12,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 19:09:12,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 19:09:12,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 19:09:12,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 19:09:12,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 19:09:12,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 19:09:12,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 19:09:12,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 19:09:12,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 19:09:12,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 19:09:12,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 19:09:12,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 19:09:12,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-10 19:09:12,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 19:09:12,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 19:09:12,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 19:09:12,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 19:09:12,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 19:09:12,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 19:09:12,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 19:09:12,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 19:09:12,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 19:09:12,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 19:09:12,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 19:09:12,523 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 [2019-09-10 19:09:12,549 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 19:09:12,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 19:09:12,555 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 19:09:12,555 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 19:09:12,556 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 19:09:12,556 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 19:09:12,557 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 19:09:12,557 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 19:09:12,557 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 19:09:12,557 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 19:09:12,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 19:09:12,559 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 19:09:12,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 19:09:12,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 19:09:12,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 19:09:12,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 19:09:12,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 19:09:12,561 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 19:09:12,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 19:09:12,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 19:09:12,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 19:09:12,562 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 19:09:12,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 19:09:12,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 19:09:12,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 19:09:12,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 19:09:12,563 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 19:09:12,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 19:09:12,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 19:09:12,564 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 19:09:12,620 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 19:09:12,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 19:09:12,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 19:09:12,646 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 19:09:12,647 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 19:09:12,649 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/rewnifrev2.c [2019-09-10 19:09:12,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/860d3e384/3cba23990a8b422b8d6ad6e723fa40ff/FLAG411610a12 [2019-09-10 19:09:13,191 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 19:09:13,192 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/rewnifrev2.c [2019-09-10 19:09:13,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/860d3e384/3cba23990a8b422b8d6ad6e723fa40ff/FLAG411610a12 [2019-09-10 19:09:13,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/860d3e384/3cba23990a8b422b8d6ad6e723fa40ff [2019-09-10 19:09:13,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 19:09:13,592 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 19:09:13,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 19:09:13,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 19:09:13,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 19:09:13,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:09:13" (1/1) ... [2019-09-10 19:09:13,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131e4a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:09:13, skipping insertion in model container [2019-09-10 19:09:13,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:09:13" (1/1) ... [2019-09-10 19:09:13,610 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 19:09:13,628 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 19:09:13,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:09:13,853 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 19:09:13,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:09:13,893 INFO L192 MainTranslator]: Completed translation [2019-09-10 19:09:13,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:09:13 WrapperNode [2019-09-10 19:09:13,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 19:09:13,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 19:09:13,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 19:09:13,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 19:09:13,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:09:13" (1/1) ... [2019-09-10 19:09:14,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:09:13" (1/1) ... [2019-09-10 19:09:14,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:09:13" (1/1) ... [2019-09-10 19:09:14,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:09:13" (1/1) ... [2019-09-10 19:09:14,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:09:13" (1/1) ... [2019-09-10 19:09:14,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:09:13" (1/1) ... [2019-09-10 19:09:14,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:09:13" (1/1) ... [2019-09-10 19:09:14,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 19:09:14,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 19:09:14,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 19:09:14,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 19:09:14,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:09:13" (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 [2019-09-10 19:09:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 19:09:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 19:09:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-10 19:09:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 19:09:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 19:09:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 19:09:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-10 19:09:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 19:09:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 19:09:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 19:09:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 19:09:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 19:09:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 19:09:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 19:09:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 19:09:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 19:09:14,417 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 19:09:14,418 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-10 19:09:14,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:09:14 BoogieIcfgContainer [2019-09-10 19:09:14,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 19:09:14,420 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-10 19:09:14,420 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-10 19:09:14,421 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-10 19:09:14,421 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:09:14" (1/1) ... [2019-09-10 19:09:14,454 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 19:09:14,549 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 19:09:14,555 INFO L272 AbstractInterpreter]: Visited 12 different actions 12 times. Never merged. Never widened. Performed 27 root evaluator evaluations with a maximum evaluation depth of 4. Performed 27 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Never found a fixpoint. Largest state had 26 variables. [2019-09-10 19:09:14,555 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-10 19:09:14,558 INFO L168 Benchmark]: Toolchain (without parser) took 965.03 ms. Allocated memory was 134.7 MB in the beginning and 201.9 MB in the end (delta: 67.1 MB). Free memory was 89.5 MB in the beginning and 158.2 MB in the end (delta: -68.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 19:09:14,560 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 134.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 19:09:14,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.86 ms. Allocated memory is still 134.7 MB. Free memory was 89.3 MB in the beginning and 79.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-10 19:09:14,562 INFO L168 Benchmark]: Boogie Preprocessor took 129.06 ms. Allocated memory was 134.7 MB in the beginning and 201.9 MB in the end (delta: 67.1 MB). Free memory was 79.5 MB in the beginning and 177.7 MB in the end (delta: -98.3 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-10 19:09:14,564 INFO L168 Benchmark]: RCFGBuilder took 395.78 ms. Allocated memory is still 201.9 MB. Free memory was 177.7 MB in the beginning and 164.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-09-10 19:09:14,565 INFO L168 Benchmark]: Abstract Interpretation took 135.42 ms. Allocated memory is still 201.9 MB. Free memory was 164.2 MB in the beginning and 158.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-09-10 19:09:14,570 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 134.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 300.86 ms. Allocated memory is still 134.7 MB. Free memory was 89.3 MB in the beginning and 79.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.06 ms. Allocated memory was 134.7 MB in the beginning and 201.9 MB in the end (delta: 67.1 MB). Free memory was 79.5 MB in the beginning and 177.7 MB in the end (delta: -98.3 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 395.78 ms. Allocated memory is still 201.9 MB. Free memory was 177.7 MB in the beginning and 164.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 135.42 ms. Allocated memory is still 201.9 MB. Free memory was 164.2 MB in the beginning and 158.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 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: 3]: 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...