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_9.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:48:21,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:48:21,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:48:21,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:48:21,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:48:21,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:48:21,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:48:21,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:48:21,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:48:21,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:48:21,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:48:21,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:48:21,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:48:21,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:48:21,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:48:21,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:48:21,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:48:21,366 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 13:48:21,387 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:48:21,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:48:21,390 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:48:21,390 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:48:21,391 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:48:21,391 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:48:21,391 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:48:21,392 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:48:21,392 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:48:21,393 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:48:21,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:48:21,394 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:48:21,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:48:21,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:48:21,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:48:21,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:48:21,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:48:21,395 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:48:21,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:48:21,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:48:21,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:48:21,397 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:48:21,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:48:21,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:48:21,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:48:21,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:48:21,398 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:48:21,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:48:21,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:48:21,399 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:48:21,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:48:21,463 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:48:21,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:48:21,470 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:48:21,470 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:48:21,471 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_9.c [2019-09-20 13:48:21,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6212684bc/af490a19db9c4216b5053bb3a1720e8b/FLAG5ad57cb3a [2019-09-20 13:48:22,003 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:48:22,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_9.c [2019-09-20 13:48:22,012 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6212684bc/af490a19db9c4216b5053bb3a1720e8b/FLAG5ad57cb3a [2019-09-20 13:48:22,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6212684bc/af490a19db9c4216b5053bb3a1720e8b [2019-09-20 13:48:22,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:48:22,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:48:22,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:22,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:48:22,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:48:22,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:22" (1/1) ... [2019-09-20 13:48:22,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f55d4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:22, skipping insertion in model container [2019-09-20 13:48:22,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:22" (1/1) ... [2019-09-20 13:48:22,377 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:48:22,400 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:48:22,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:22,594 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:48:22,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:22,724 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:48:22,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:22 WrapperNode [2019-09-20 13:48:22,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:22,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:48:22,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:48:22,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:48:22,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:22" (1/1) ... [2019-09-20 13:48:22,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:22" (1/1) ... [2019-09-20 13:48:22,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:22" (1/1) ... [2019-09-20 13:48:22,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:22" (1/1) ... [2019-09-20 13:48:22,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:22" (1/1) ... [2019-09-20 13:48:22,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:22" (1/1) ... [2019-09-20 13:48:22,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:22" (1/1) ... [2019-09-20 13:48:22,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:48:22,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:48:22,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:48:22,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:48:22,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:22" (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 13:48:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:48:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:48:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:48:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:48:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:48:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:48:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:48:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:48:23,180 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:48:23,180 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:48:23,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:23 BoogieIcfgContainer [2019-09-20 13:48:23,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:48:23,183 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:48:23,183 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:48:23,183 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:48:23,184 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:23" (1/1) ... [2019-09-20 13:48:23,215 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:48:24,271 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:48:24,297 INFO L272 AbstractInterpreter]: Visited 70 different actions 1196 times. Merged at 46 different actions 569 times. Never widened. Performed 3063 root evaluator evaluations with a maximum evaluation depth of 4. Performed 3063 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 504 fixpoints after 35 different actions. Largest state had 30 variables. [2019-09-20 13:48:24,297 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:48:24,301 INFO L168 Benchmark]: Toolchain (without parser) took 1939.46 ms. Allocated memory was 137.9 MB in the beginning and 219.2 MB in the end (delta: 81.3 MB). Free memory was 85.6 MB in the beginning and 100.2 MB in the end (delta: -14.7 MB). Peak memory consumption was 66.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:24,303 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:48:24,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.34 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 85.4 MB in the beginning and 176.6 MB in the end (delta: -91.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:24,306 INFO L168 Benchmark]: Boogie Preprocessor took 37.70 ms. Allocated memory is still 198.2 MB. Free memory was 176.6 MB in the beginning and 174.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:24,308 INFO L168 Benchmark]: RCFGBuilder took 418.21 ms. Allocated memory is still 198.2 MB. Free memory was 174.3 MB in the beginning and 155.8 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:24,310 INFO L168 Benchmark]: Abstract Interpretation took 1114.85 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 155.8 MB in the beginning and 100.2 MB in the end (delta: 55.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:24,320 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 364.34 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 85.4 MB in the beginning and 176.6 MB in the end (delta: -91.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.70 ms. Allocated memory is still 198.2 MB. Free memory was 176.6 MB in the beginning and 174.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 418.21 ms. Allocated memory is still 198.2 MB. Free memory was 174.3 MB in the beginning and 155.8 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1114.85 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 155.8 MB in the beginning and 100.2 MB in the end (delta: 55.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 147]: 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; [L34] int cond; [L36] COND TRUE 1 [L37] cond = __VERIFIER_nondet_int() [L38] COND FALSE !(cond == 0) [L41] lk1 = 0 [L43] lk2 = 0 [L45] lk3 = 0 [L47] lk4 = 0 [L49] lk5 = 0 [L51] lk6 = 0 [L53] lk7 = 0 [L55] lk8 = 0 [L57] lk9 = 0 [L61] COND FALSE !(p1 != 0) [L65] COND TRUE p2 != 0 [L66] lk2 = 1 [L69] COND TRUE p3 != 0 [L70] lk3 = 1 [L73] COND TRUE p4 != 0 [L74] lk4 = 1 [L77] COND TRUE p5 != 0 [L78] lk5 = 1 [L81] COND TRUE p6 != 0 [L82] lk6 = 1 [L85] COND TRUE p7 != 0 [L86] lk7 = 1 [L89] COND FALSE !(p8 != 0) [L93] COND TRUE p9 != 0 [L94] lk9 = 1 [L99] COND TRUE p1 != 0 [L100] COND TRUE lk1 != 1 [L147] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...