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/locks/test_locks_5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 19:12:30,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 19:12:30,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 19:12:30,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-10 19:12:30,995 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 19:12:31,022 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 19:12:31,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 19:12:31,023 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 19:12:31,024 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 19:12:31,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 19:12:31,025 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 19:12:31,025 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 19:12:31,025 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 19:12:31,025 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 19:12:31,026 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 19:12:31,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 19:12:31,028 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 19:12:31,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 19:12:31,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 19:12:31,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 19:12:31,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 19:12:31,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 19:12:31,030 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 19:12:31,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 19:12:31,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 19:12:31,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 19:12:31,031 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 19:12:31,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 19:12:31,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 19:12:31,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 19:12:31,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 19:12:31,032 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 19:12:31,033 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 19:12:31,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 19:12:31,033 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 19:12:31,086 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 19:12:31,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 19:12:31,114 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 19:12:31,115 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 19:12:31,116 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 19:12:31,117 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_5.c [2019-09-10 19:12:31,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8015ed80/549a5bcdec184b4d9842f88fc5e94baf/FLAG2eee60117 [2019-09-10 19:12:31,638 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 19:12:31,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_5.c [2019-09-10 19:12:31,647 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8015ed80/549a5bcdec184b4d9842f88fc5e94baf/FLAG2eee60117 [2019-09-10 19:12:32,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8015ed80/549a5bcdec184b4d9842f88fc5e94baf [2019-09-10 19:12:32,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 19:12:32,062 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 19:12:32,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 19:12:32,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 19:12:32,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 19:12:32,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:12:32" (1/1) ... [2019-09-10 19:12:32,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f9c9f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:32, skipping insertion in model container [2019-09-10 19:12:32,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:12:32" (1/1) ... [2019-09-10 19:12:32,079 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 19:12:32,098 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 19:12:32,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:12:32,356 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 19:12:32,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:12:32,413 INFO L192 MainTranslator]: Completed translation [2019-09-10 19:12:32,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:32 WrapperNode [2019-09-10 19:12:32,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 19:12:32,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 19:12:32,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 19:12:32,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 19:12:32,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:32" (1/1) ... [2019-09-10 19:12:32,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:32" (1/1) ... [2019-09-10 19:12:32,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:32" (1/1) ... [2019-09-10 19:12:32,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:32" (1/1) ... [2019-09-10 19:12:32,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:32" (1/1) ... [2019-09-10 19:12:32,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:32" (1/1) ... [2019-09-10 19:12:32,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:32" (1/1) ... [2019-09-10 19:12:32,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 19:12:32,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 19:12:32,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 19:12:32,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 19:12:32,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:32" (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 19:12:32,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 19:12:32,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 19:12:32,602 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 19:12:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 19:12:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 19:12:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 19:12:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 19:12:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 19:12:32,881 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 19:12:32,882 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-10 19:12:32,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:12:32 BoogieIcfgContainer [2019-09-10 19:12:32,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 19:12:32,885 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-10 19:12:32,885 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-10 19:12:32,885 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-10 19:12:32,886 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:12:32" (1/1) ... [2019-09-10 19:12:32,920 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 19:12:33,382 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 19:12:33,405 INFO L272 AbstractInterpreter]: Visited 46 different actions 366 times. Merged at 26 different actions 166 times. Never widened. Performed 914 root evaluator evaluations with a maximum evaluation depth of 4. Performed 914 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 140 fixpoints after 16 different actions. Largest state had 18 variables. [2019-09-10 19:12:33,405 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-10 19:12:33,409 INFO L168 Benchmark]: Toolchain (without parser) took 1345.33 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 89.0 MB in the beginning and 115.0 MB in the end (delta: -25.9 MB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. [2019-09-10 19:12:33,410 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 19:12:33,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.72 ms. Allocated memory is still 133.2 MB. Free memory was 88.8 MB in the beginning and 79.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-10 19:12:33,412 INFO L168 Benchmark]: Boogie Preprocessor took 127.02 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 79.2 MB in the beginning and 175.7 MB in the end (delta: -96.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-10 19:12:33,413 INFO L168 Benchmark]: RCFGBuilder took 341.05 ms. Allocated memory is still 199.2 MB. Free memory was 175.1 MB in the beginning and 160.8 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-09-10 19:12:33,414 INFO L168 Benchmark]: Abstract Interpretation took 521.10 ms. Allocated memory is still 199.2 MB. Free memory was 160.8 MB in the beginning and 115.0 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. [2019-09-10 19:12:33,418 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 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 351.72 ms. Allocated memory is still 133.2 MB. Free memory was 88.8 MB in the beginning and 79.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.02 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 79.2 MB in the beginning and 175.7 MB in the end (delta: -96.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 341.05 ms. Allocated memory is still 199.2 MB. Free memory was 175.1 MB in the beginning and 160.8 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 521.10 ms. Allocated memory is still 199.2 MB. Free memory was 160.8 MB in the beginning and 115.0 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 91]: 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: [L6] int p1 = __VERIFIER_nondet_int(); [L7] int lk1; [L9] int p2 = __VERIFIER_nondet_int(); [L10] int lk2; [L12] int p3 = __VERIFIER_nondet_int(); [L13] int lk3; [L15] int p4 = __VERIFIER_nondet_int(); [L16] int lk4; [L18] int p5 = __VERIFIER_nondet_int(); [L19] int lk5; [L22] int cond; [L24] COND TRUE 1 [L25] cond = __VERIFIER_nondet_int() [L26] COND FALSE !(cond == 0) [L29] lk1 = 0 [L31] lk2 = 0 [L33] lk3 = 0 [L35] lk4 = 0 [L37] lk5 = 0 [L41] COND FALSE !(p1 != 0) [L45] COND TRUE p2 != 0 [L46] lk2 = 1 [L49] COND TRUE p3 != 0 [L50] lk3 = 1 [L53] COND TRUE p4 != 0 [L54] lk4 = 1 [L57] COND TRUE p5 != 0 [L58] lk5 = 1 [L63] COND TRUE p1 != 0 [L64] COND TRUE lk1 != 1 [L91] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...