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_15-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:37:46,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:37:46,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:37:46,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-03 12:37:46,256 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 12:37:46,271 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:37:46,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:37:46,272 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:37:46,272 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:37:46,273 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:37:46,273 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:37:46,273 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:37:46,275 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:37:46,275 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:37:46,276 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:37:46,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:37:46,277 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:37:46,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:37:46,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:37:46,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:37:46,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:37:46,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:37:46,279 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:37:46,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:37:46,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:37:46,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:37:46,280 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:37:46,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:37:46,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:37:46,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:37:46,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:37:46,281 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:37:46,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:37:46,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:37:46,281 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:37:46,310 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:37:46,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:37:46,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:37:46,333 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:37:46,334 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:37:46,335 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_15-2.c [2019-10-03 12:37:46,408 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2a562d6f/db3f120351e64ccaae9dc832ac6f825e/FLAG3042dac31 [2019-10-03 12:37:46,925 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:37:46,926 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_15-2.c [2019-10-03 12:37:46,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2a562d6f/db3f120351e64ccaae9dc832ac6f825e/FLAG3042dac31 [2019-10-03 12:37:47,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2a562d6f/db3f120351e64ccaae9dc832ac6f825e [2019-10-03 12:37:47,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:37:47,247 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:37:47,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:37:47,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:37:47,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:37:47,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:37:47" (1/1) ... [2019-10-03 12:37:47,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c3d37c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:47, skipping insertion in model container [2019-10-03 12:37:47,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:37:47" (1/1) ... [2019-10-03 12:37:47,270 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:37:47,306 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:37:47,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:37:47,525 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:37:47,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:37:47,587 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:37:47,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:47 WrapperNode [2019-10-03 12:37:47,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:37:47,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:37:47,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:37:47,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:37:47,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:47" (1/1) ... [2019-10-03 12:37:47,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:47" (1/1) ... [2019-10-03 12:37:47,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:47" (1/1) ... [2019-10-03 12:37:47,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:47" (1/1) ... [2019-10-03 12:37:47,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:47" (1/1) ... [2019-10-03 12:37:47,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:47" (1/1) ... [2019-10-03 12:37:47,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:47" (1/1) ... [2019-10-03 12:37:47,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:37:47,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:37:47,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:37:47,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:37:47,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:47" (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 12:37:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:37:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:37:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:37:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:37:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:37:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:37:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:37:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:37:48,203 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:37:48,203 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 12:37:48,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:37:48 BoogieIcfgContainer [2019-10-03 12:37:48,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:37:48,206 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:37:48,206 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:37:48,206 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:37:48,207 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:37:48" (1/1) ... [2019-10-03 12:37:48,238 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:37:50,506 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:37:50,540 INFO L272 AbstractInterpreter]: Visited 106 different actions 3000 times. Merged at 75 different actions 1452 times. Never widened. Performed 7747 root evaluator evaluations with a maximum evaluation depth of 4. Performed 7747 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 1249 fixpoints after 64 different actions. Largest state had 48 variables. [2019-10-03 12:37:50,540 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:37:50,543 INFO L168 Benchmark]: Toolchain (without parser) took 3294.98 ms. Allocated memory was 136.3 MB in the beginning and 402.1 MB in the end (delta: 265.8 MB). Free memory was 84.3 MB in the beginning and 303.3 MB in the end (delta: -219.0 MB). Peak memory consumption was 46.8 MB. Max. memory is 7.1 GB. [2019-10-03 12:37:50,544 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 136.3 MB. Free memory was 102.2 MB in the beginning and 102.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:37:50,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.87 ms. Allocated memory was 136.3 MB in the beginning and 181.9 MB in the end (delta: 45.6 MB). Free memory was 84.1 MB in the beginning and 152.7 MB in the end (delta: -68.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-10-03 12:37:50,548 INFO L168 Benchmark]: Boogie Preprocessor took 123.95 ms. Allocated memory was 181.9 MB in the beginning and 205.5 MB in the end (delta: 23.6 MB). Free memory was 152.7 MB in the beginning and 189.5 MB in the end (delta: -36.7 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-10-03 12:37:50,550 INFO L168 Benchmark]: RCFGBuilder took 491.43 ms. Allocated memory is still 205.5 MB. Free memory was 189.5 MB in the beginning and 164.3 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-10-03 12:37:50,552 INFO L168 Benchmark]: Abstract Interpretation took 2334.35 ms. Allocated memory was 205.5 MB in the beginning and 402.1 MB in the end (delta: 196.6 MB). Free memory was 164.3 MB in the beginning and 303.3 MB in the end (delta: -139.0 MB). Peak memory consumption was 57.6 MB. Max. memory is 7.1 GB. [2019-10-03 12:37:50,564 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 136.3 MB. Free memory was 102.2 MB in the beginning and 102.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 334.87 ms. Allocated memory was 136.3 MB in the beginning and 181.9 MB in the end (delta: 45.6 MB). Free memory was 84.1 MB in the beginning and 152.7 MB in the end (delta: -68.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.95 ms. Allocated memory was 181.9 MB in the beginning and 205.5 MB in the end (delta: 23.6 MB). Free memory was 152.7 MB in the beginning and 189.5 MB in the end (delta: -36.7 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 491.43 ms. Allocated memory is still 205.5 MB. Free memory was 189.5 MB in the beginning and 164.3 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2334.35 ms. Allocated memory was 205.5 MB in the beginning and 402.1 MB in the end (delta: 196.6 MB). Free memory was 164.3 MB in the beginning and 303.3 MB in the end (delta: -139.0 MB). Peak memory consumption was 57.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 231]: 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; [L21] int p6 = __VERIFIER_nondet_int(); [L22] int lk6; [L24] int p7 = __VERIFIER_nondet_int(); [L25] int lk7; [L27] int p8 = __VERIFIER_nondet_int(); [L28] int lk8; [L30] int p9 = __VERIFIER_nondet_int(); [L31] int lk9; [L33] int p10 = __VERIFIER_nondet_int(); [L34] int lk10; [L36] int p11 = __VERIFIER_nondet_int(); [L37] int lk11; [L39] int p12 = __VERIFIER_nondet_int(); [L40] int lk12; [L42] int p13 = __VERIFIER_nondet_int(); [L43] int lk13; [L45] int p14 = __VERIFIER_nondet_int(); [L46] int lk14; [L48] int p15 = __VERIFIER_nondet_int(); [L49] int lk15; [L52] int cond; [L54] COND TRUE 1 [L55] cond = __VERIFIER_nondet_int() [L56] COND FALSE !(cond == 0) [L59] lk1 = 0 [L61] lk2 = 0 [L63] lk3 = 0 [L65] lk4 = 0 [L67] lk5 = 0 [L69] lk6 = 0 [L71] lk7 = 0 [L73] lk8 = 0 [L75] lk9 = 0 [L77] lk10 = 0 [L79] lk11 = 0 [L81] lk12 = 0 [L83] lk13 = 0 [L85] lk14 = 0 [L87] lk15 = 0 [L91] COND FALSE !(p1 != 0) [L95] COND TRUE p2 != 0 [L96] lk2 = 1 [L99] COND TRUE p3 != 0 [L100] lk3 = 1 [L103] COND TRUE p4 != 0 [L104] lk4 = 1 [L107] COND TRUE p5 != 0 [L108] lk5 = 1 [L111] COND TRUE p6 != 0 [L112] lk6 = 1 [L115] COND TRUE p7 != 0 [L116] lk7 = 1 [L119] COND FALSE !(p8 != 0) [L123] COND TRUE p9 != 0 [L124] lk9 = 1 [L127] COND TRUE p10 != 0 [L128] lk10 = 1 [L131] COND TRUE p11 != 0 [L132] lk11 = 1 [L135] COND TRUE p12 != 0 [L136] lk12 = 1 [L139] COND TRUE p13 != 0 [L140] lk13 = 1 [L143] COND TRUE p14 != 0 [L144] lk14 = 1 [L147] COND TRUE p15 != 0 [L148] lk15 = 1 [L153] COND TRUE p1 != 0 [L154] COND TRUE lk1 != 1 [L231] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...