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/ldv-regression/oomInt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:48:45,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:48:45,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:48:45,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:48:45,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:48:45,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:48:45,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:48:45,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:48:45,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:48:45,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:48:45,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:48:45,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:48:45,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:48:45,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:48:45,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:48:45,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:48:45,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:48:45,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:48:45,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:48:45,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:48:45,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:48:45,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:48:45,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:48:45,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:48:45,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:48:45,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:48:45,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:48:45,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:48:45,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:48:45,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:48:45,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:48:45,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:48:45,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:48:45,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:48:45,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:48:45,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:48:45,518 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 [2019-09-20 13:48:45,536 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:48:45,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:48:45,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:48:45,537 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:48:45,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:48:45,538 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:48:45,538 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:48:45,538 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:48:45,538 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:48:45,538 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:48:45,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:48:45,539 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:48:45,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:48:45,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:48:45,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:48:45,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:48:45,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:48:45,540 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:48:45,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:48:45,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:48:45,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:48:45,541 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:48:45,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:48:45,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:48:45,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:48:45,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:48:45,542 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:48:45,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:48:45,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:48:45,543 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:48:45,587 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:48:45,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:48:45,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:48:45,603 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:48:45,604 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:48:45,604 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.i [2019-09-20 13:48:45,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8bbc2197/af6d8c3a2d3b41abbb0358f6f65ee9de/FLAG3b693de91 [2019-09-20 13:48:46,129 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:48:46,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/oomInt.i [2019-09-20 13:48:46,138 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8bbc2197/af6d8c3a2d3b41abbb0358f6f65ee9de/FLAG3b693de91 [2019-09-20 13:48:46,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8bbc2197/af6d8c3a2d3b41abbb0358f6f65ee9de [2019-09-20 13:48:46,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:48:46,536 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:48:46,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:46,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:48:46,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:48:46,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:46" (1/1) ... [2019-09-20 13:48:46,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7884b47b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:46, skipping insertion in model container [2019-09-20 13:48:46,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:46" (1/1) ... [2019-09-20 13:48:46,555 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:48:46,574 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:48:46,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:46,837 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:48:46,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:46,881 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:48:46,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:46 WrapperNode [2019-09-20 13:48:46,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:46,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:48:46,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:48:46,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:48:46,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:46" (1/1) ... [2019-09-20 13:48:46,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:46" (1/1) ... [2019-09-20 13:48:46,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:46" (1/1) ... [2019-09-20 13:48:46,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:46" (1/1) ... [2019-09-20 13:48:47,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:46" (1/1) ... [2019-09-20 13:48:47,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:46" (1/1) ... [2019-09-20 13:48:47,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:46" (1/1) ... [2019-09-20 13:48:47,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:48:47,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:48:47,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:48:47,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:48:47,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:46" (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 [2019-09-20 13:48:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:48:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:48:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:48:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2019-09-20 13:48:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2019-09-20 13:48:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:48:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:48:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:48:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2019-09-20 13:48:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2019-09-20 13:48:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:48:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:48:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:48:47,315 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:48:47,316 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:48:47,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:47 BoogieIcfgContainer [2019-09-20 13:48:47,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:48:47,318 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:48:47,318 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:48:47,318 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:48:47,319 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:47" (1/1) ... [2019-09-20 13:48:47,373 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:48:47,522 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:48:47,541 INFO L272 AbstractInterpreter]: Visited 26 different actions 26 times. Never merged. Never widened. Performed 20 root evaluator evaluations with a maximum evaluation depth of 5. Performed 20 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Never found a fixpoint. Largest state had 5 variables. [2019-09-20 13:48:47,541 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:48:47,544 INFO L168 Benchmark]: Toolchain (without parser) took 1006.81 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 88.2 MB in the beginning and 157.2 MB in the end (delta: -69.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:48:47,546 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:48:47,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.56 ms. Allocated memory is still 133.2 MB. Free memory was 88.0 MB in the beginning and 78.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:47,548 INFO L168 Benchmark]: Boogie Preprocessor took 123.88 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 78.9 MB in the beginning and 176.2 MB in the end (delta: -97.3 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:47,549 INFO L168 Benchmark]: RCFGBuilder took 309.73 ms. Allocated memory is still 199.2 MB. Free memory was 176.2 MB in the beginning and 164.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:47,550 INFO L168 Benchmark]: Abstract Interpretation took 223.17 ms. Allocated memory is still 199.2 MB. Free memory was 163.9 MB in the beginning and 157.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:47,555 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 133.2 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 343.56 ms. Allocated memory is still 133.2 MB. Free memory was 88.0 MB in the beginning and 78.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.88 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 78.9 MB in the beginning and 176.2 MB in the end (delta: -97.3 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 309.73 ms. Allocated memory is still 199.2 MB. Free memory was 176.2 MB in the beginning and 164.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 223.17 ms. Allocated memory is still 199.2 MB. Free memory was 163.9 MB in the beginning and 157.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L26] int p = 0; [L35] CALL firstFunction() [L29] CALL, EXPR abs_int(-3) [L18] COND TRUE i < 0 [L22] return -i; [L29] RET, EXPR abs_int(-3) [L29] p = abs_int(-3) [L30] CALL __VERIFIER_assert(p >= 0) [L8] COND TRUE i == 0 [L10] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...