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/loop-acceleration/array_2-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:11:23,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:11:23,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:11:23,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:11:23,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:11:23,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:11:23,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:11:23,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:11:23,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:11:23,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:11:23,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:11:23,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:11:23,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:11:23,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:11:23,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:11:23,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:11:23,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:11:23,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:11:23,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:11:23,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:11:23,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:11:23,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:11:23,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:11:23,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:11:23,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:11:23,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:11:23,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:11:23,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:11:23,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:11:23,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:11:23,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:11:23,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:11:23,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:11:23,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:11:23,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:11:23,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:11:23,527 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 16:11:23,553 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:11:23,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:11:23,554 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:11:23,555 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:11:23,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:11:23,556 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:11:23,556 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:11:23,556 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:11:23,556 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:11:23,556 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:11:23,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:11:23,559 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:11:23,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:11:23,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:11:23,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:11:23,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:11:23,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:11:23,560 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:11:23,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:11:23,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:11:23,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:11:23,561 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:11:23,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:11:23,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:11:23,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:11:23,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:11:23,562 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:11:23,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:11:23,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:11:23,563 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:11:23,603 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:11:23,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:11:23,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:11:23,623 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:11:23,623 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:11:23,624 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/array_2-2.i [2019-09-11 16:11:23,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f4b0b23/1fe14c058c8e405885951a93f9b8d8ba/FLAGb550ed277 [2019-09-11 16:11:24,137 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:11:24,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/array_2-2.i [2019-09-11 16:11:24,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f4b0b23/1fe14c058c8e405885951a93f9b8d8ba/FLAGb550ed277 [2019-09-11 16:11:24,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f4b0b23/1fe14c058c8e405885951a93f9b8d8ba [2019-09-11 16:11:24,552 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:11:24,553 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:11:24,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:11:24,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:11:24,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:11:24,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:11:24" (1/1) ... [2019-09-11 16:11:24,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4514680f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:24, skipping insertion in model container [2019-09-11 16:11:24,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:11:24" (1/1) ... [2019-09-11 16:11:24,571 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:11:24,585 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:11:24,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:11:24,847 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:11:24,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:11:24,899 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:11:24,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:24 WrapperNode [2019-09-11 16:11:24,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:11:24,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:11:24,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:11:24,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:11:25,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:24" (1/1) ... [2019-09-11 16:11:25,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:24" (1/1) ... [2019-09-11 16:11:25,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:24" (1/1) ... [2019-09-11 16:11:25,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:24" (1/1) ... [2019-09-11 16:11:25,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:24" (1/1) ... [2019-09-11 16:11:25,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:24" (1/1) ... [2019-09-11 16:11:25,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:24" (1/1) ... [2019-09-11 16:11:25,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:11:25,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:11:25,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:11:25,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:11:25,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:24" (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 16:11:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:11:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:11:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-11 16:11:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:11:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:11:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-11 16:11:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:11:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-11 16:11:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-11 16:11:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-11 16:11:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-11 16:11:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:11:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:11:25,411 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:11:25,411 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 16:11:25,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:11:25 BoogieIcfgContainer [2019-09-11 16:11:25,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:11:25,421 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:11:25,421 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:11:25,421 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:11:25,422 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:11:25" (1/1) ... [2019-09-11 16:11:25,466 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:11:25,528 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-11 16:11:25,534 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 15 root evaluator evaluations with a maximum evaluation depth of 0. Performed 15 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 23 variables. [2019-09-11 16:11:25,534 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:11:25,537 INFO L168 Benchmark]: Toolchain (without parser) took 982.65 ms. Allocated memory was 142.6 MB in the beginning and 206.0 MB in the end (delta: 63.4 MB). Free memory was 90.6 MB in the beginning and 165.3 MB in the end (delta: -74.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:11:25,538 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 142.6 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:11:25,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.01 ms. Allocated memory is still 142.6 MB. Free memory was 90.4 MB in the beginning and 80.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-11 16:11:25,540 INFO L168 Benchmark]: Boogie Preprocessor took 215.29 ms. Allocated memory was 142.6 MB in the beginning and 206.0 MB in the end (delta: 63.4 MB). Free memory was 80.8 MB in the beginning and 183.2 MB in the end (delta: -102.5 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:11:25,542 INFO L168 Benchmark]: RCFGBuilder took 296.00 ms. Allocated memory is still 206.0 MB. Free memory was 183.2 MB in the beginning and 170.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-09-11 16:11:25,542 INFO L168 Benchmark]: Abstract Interpretation took 113.39 ms. Allocated memory is still 206.0 MB. Free memory was 170.4 MB in the beginning and 165.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:11:25,547 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 142.6 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 345.01 ms. Allocated memory is still 142.6 MB. Free memory was 90.4 MB in the beginning and 80.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 215.29 ms. Allocated memory was 142.6 MB in the beginning and 206.0 MB in the end (delta: 63.4 MB). Free memory was 80.8 MB in the beginning and 183.2 MB in the end (delta: -102.5 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 296.00 ms. Allocated memory is still 206.0 MB. Free memory was 183.2 MB in the beginning and 170.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 113.39 ms. Allocated memory is still 206.0 MB. Free memory was 170.4 MB in the beginning and 165.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 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: 4]: 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...