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_11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:48:12,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:48:12,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:48:12,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:48:12,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:48:12,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:48:12,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:48:12,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:48:12,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:48:12,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:48:12,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:48:12,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:48:12,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:48:12,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:48:12,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:48:12,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:48:12,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:48:12,403 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 13:48:12,421 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:48:12,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:48:12,424 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:48:12,424 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:48:12,425 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:48:12,425 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:48:12,425 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:48:12,426 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:48:12,426 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:48:12,426 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:48:12,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:48:12,429 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:48:12,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:48:12,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:48:12,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:48:12,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:48:12,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:48:12,430 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:48:12,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:48:12,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:48:12,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:48:12,432 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:48:12,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:48:12,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:48:12,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:48:12,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:48:12,433 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:48:12,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:48:12,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:48:12,433 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:48:12,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:48:12,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:48:12,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:48:12,485 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:48:12,486 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:48:12,486 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_11.c [2019-09-20 13:48:12,550 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7d0d6929/c9b9c7a7ec8046f4b93e228c20ad389d/FLAG257333e44 [2019-09-20 13:48:13,066 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:48:13,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_11.c [2019-09-20 13:48:13,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7d0d6929/c9b9c7a7ec8046f4b93e228c20ad389d/FLAG257333e44 [2019-09-20 13:48:13,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7d0d6929/c9b9c7a7ec8046f4b93e228c20ad389d [2019-09-20 13:48:13,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:48:13,394 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:48:13,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:13,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:48:13,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:48:13,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:13" (1/1) ... [2019-09-20 13:48:13,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3fac14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13, skipping insertion in model container [2019-09-20 13:48:13,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:13" (1/1) ... [2019-09-20 13:48:13,416 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:48:13,452 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:48:13,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:13,703 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:48:13,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:13,741 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:48:13,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13 WrapperNode [2019-09-20 13:48:13,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:13,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:48:13,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:48:13,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:48:13,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13" (1/1) ... [2019-09-20 13:48:13,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13" (1/1) ... [2019-09-20 13:48:13,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13" (1/1) ... [2019-09-20 13:48:13,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13" (1/1) ... [2019-09-20 13:48:13,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13" (1/1) ... [2019-09-20 13:48:13,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13" (1/1) ... [2019-09-20 13:48:13,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13" (1/1) ... [2019-09-20 13:48:13,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:48:13,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:48:13,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:48:13,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:48:13,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13" (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 [2019-09-20 13:48:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:48:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:48:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:48:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:48:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:48:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:48:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:48:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:48:14,249 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:48:14,250 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:48:14,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:14 BoogieIcfgContainer [2019-09-20 13:48:14,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:48:14,253 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:48:14,254 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:48:14,254 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:48:14,256 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:14" (1/1) ... [2019-09-20 13:48:14,298 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:48:15,621 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:48:15,656 INFO L272 AbstractInterpreter]: Visited 82 different actions 1658 times. Merged at 56 different actions 794 times. Never widened. Performed 4266 root evaluator evaluations with a maximum evaluation depth of 4. Performed 4266 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 690 fixpoints after 48 different actions. Largest state had 36 variables. [2019-09-20 13:48:15,656 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:48:15,660 INFO L168 Benchmark]: Toolchain (without parser) took 2266.76 ms. Allocated memory was 131.6 MB in the beginning and 266.3 MB in the end (delta: 134.7 MB). Free memory was 87.8 MB in the beginning and 186.5 MB in the end (delta: -98.8 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:15,661 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:48:15,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.58 ms. Allocated memory is still 131.6 MB. Free memory was 87.5 MB in the beginning and 76.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:15,665 INFO L168 Benchmark]: Boogie Preprocessor took 126.09 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 76.7 MB in the beginning and 174.0 MB in the end (delta: -97.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:15,668 INFO L168 Benchmark]: RCFGBuilder took 383.39 ms. Allocated memory is still 198.2 MB. Free memory was 174.0 MB in the beginning and 154.0 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:15,669 INFO L168 Benchmark]: Abstract Interpretation took 1403.21 ms. Allocated memory was 198.2 MB in the beginning and 266.3 MB in the end (delta: 68.2 MB). Free memory was 153.3 MB in the beginning and 186.5 MB in the end (delta: -33.2 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:15,682 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 345.58 ms. Allocated memory is still 131.6 MB. Free memory was 87.5 MB in the beginning and 76.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.09 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 76.7 MB in the beginning and 174.0 MB in the end (delta: -97.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 383.39 ms. Allocated memory is still 198.2 MB. Free memory was 174.0 MB in the beginning and 154.0 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1403.21 ms. Allocated memory was 198.2 MB in the beginning and 266.3 MB in the end (delta: 68.2 MB). Free memory was 153.3 MB in the beginning and 186.5 MB in the end (delta: -33.2 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 175]: 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; [L40] int cond; [L42] COND TRUE 1 [L43] cond = __VERIFIER_nondet_int() [L44] COND FALSE !(cond == 0) [L47] lk1 = 0 [L49] lk2 = 0 [L51] lk3 = 0 [L53] lk4 = 0 [L55] lk5 = 0 [L57] lk6 = 0 [L59] lk7 = 0 [L61] lk8 = 0 [L63] lk9 = 0 [L65] lk10 = 0 [L67] lk11 = 0 [L71] COND FALSE !(p1 != 0) [L75] COND TRUE p2 != 0 [L76] lk2 = 1 [L79] COND TRUE p3 != 0 [L80] lk3 = 1 [L83] COND TRUE p4 != 0 [L84] lk4 = 1 [L87] COND TRUE p5 != 0 [L88] lk5 = 1 [L91] COND TRUE p6 != 0 [L92] lk6 = 1 [L95] COND TRUE p7 != 0 [L96] lk7 = 1 [L99] COND FALSE !(p8 != 0) [L103] COND TRUE p9 != 0 [L104] lk9 = 1 [L107] COND TRUE p10 != 0 [L108] lk10 = 1 [L111] COND TRUE p11 != 0 [L112] lk11 = 1 [L117] COND TRUE p1 != 0 [L118] COND TRUE lk1 != 1 [L175] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...