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_8.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:37:47,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:37:47,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:37:47,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-03 12:37:47,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:37:47,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:37:47,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:37:47,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:37:47,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:37:47,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:37:47,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:37:47,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:37:47,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:37:47,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:37:47,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:37:47,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:37:47,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:37:47,311 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 12:37:47,326 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:37:47,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:37:47,326 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:37:47,326 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:37:47,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:37:47,327 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:37:47,327 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:37:47,328 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:37:47,328 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:37:47,328 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:37:47,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:37:47,329 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:37:47,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:37:47,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:37:47,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:37:47,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:37:47,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:37:47,330 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:37:47,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:37:47,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:37:47,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:37:47,331 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:37:47,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:37:47,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:37:47,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:37:47,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:37:47,332 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:37:47,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:37:47,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:37:47,332 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:37:47,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:37:47,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:37:47,375 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:37:47,376 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:37:47,376 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:37:47,377 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_8.c [2019-10-03 12:37:47,435 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d26c968a9/241945ba8872423a9c27f43f8f43a433/FLAGa1d9897b0 [2019-10-03 12:37:47,840 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:37:47,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_8.c [2019-10-03 12:37:47,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d26c968a9/241945ba8872423a9c27f43f8f43a433/FLAGa1d9897b0 [2019-10-03 12:37:48,263 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d26c968a9/241945ba8872423a9c27f43f8f43a433 [2019-10-03 12:37:48,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:37:48,274 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:37:48,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:37:48,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:37:48,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:37:48,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:37:48" (1/1) ... [2019-10-03 12:37:48,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35da1448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:48, skipping insertion in model container [2019-10-03 12:37:48,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:37:48" (1/1) ... [2019-10-03 12:37:48,290 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:37:48,310 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:37:48,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:37:48,501 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:37:48,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:37:48,542 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:37:48,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:48 WrapperNode [2019-10-03 12:37:48,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:37:48,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:37:48,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:37:48,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:37:48,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:48" (1/1) ... [2019-10-03 12:37:48,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:48" (1/1) ... [2019-10-03 12:37:48,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:48" (1/1) ... [2019-10-03 12:37:48,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:48" (1/1) ... [2019-10-03 12:37:48,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:48" (1/1) ... [2019-10-03 12:37:48,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:48" (1/1) ... [2019-10-03 12:37:48,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:48" (1/1) ... [2019-10-03 12:37:48,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:37:48,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:37:48,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:37:48,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:37:48,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:48" (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 12:37:48,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:37:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:37:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:37:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:37:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:37:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:37:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:37:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:37:49,077 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:37:49,077 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 12:37:49,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:37:49 BoogieIcfgContainer [2019-10-03 12:37:49,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:37:49,079 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:37:49,079 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:37:49,080 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:37:49,084 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:37:49" (1/1) ... [2019-10-03 12:37:49,110 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:37:49,883 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:37:49,908 INFO L272 AbstractInterpreter]: Visited 64 different actions 882 times. Merged at 41 different actions 416 times. Never widened. Performed 2231 root evaluator evaluations with a maximum evaluation depth of 4. Performed 2231 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 358 fixpoints after 31 different actions. Largest state had 27 variables. [2019-10-03 12:37:49,908 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:37:49,911 INFO L168 Benchmark]: Toolchain (without parser) took 1635.20 ms. Allocated memory was 130.0 MB in the beginning and 216.0 MB in the end (delta: 86.0 MB). Free memory was 85.4 MB in the beginning and 151.2 MB in the end (delta: -65.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-10-03 12:37:49,914 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 130.0 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:37:49,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.01 ms. Allocated memory is still 130.0 MB. Free memory was 85.2 MB in the beginning and 74.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-10-03 12:37:49,917 INFO L168 Benchmark]: Boogie Preprocessor took 139.04 ms. Allocated memory was 130.0 MB in the beginning and 198.2 MB in the end (delta: 68.2 MB). Free memory was 74.8 MB in the beginning and 173.8 MB in the end (delta: -99.0 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-10-03 12:37:49,919 INFO L168 Benchmark]: RCFGBuilder took 395.64 ms. Allocated memory is still 198.2 MB. Free memory was 173.8 MB in the beginning and 156.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-10-03 12:37:49,920 INFO L168 Benchmark]: Abstract Interpretation took 828.84 ms. Allocated memory was 198.2 MB in the beginning and 216.0 MB in the end (delta: 17.8 MB). Free memory was 156.3 MB in the beginning and 151.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-10-03 12:37:49,930 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 130.0 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 268.01 ms. Allocated memory is still 130.0 MB. Free memory was 85.2 MB in the beginning and 74.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.04 ms. Allocated memory was 130.0 MB in the beginning and 198.2 MB in the end (delta: 68.2 MB). Free memory was 74.8 MB in the beginning and 173.8 MB in the end (delta: -99.0 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 395.64 ms. Allocated memory is still 198.2 MB. Free memory was 173.8 MB in the beginning and 156.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 828.84 ms. Allocated memory was 198.2 MB in the beginning and 216.0 MB in the end (delta: 17.8 MB). Free memory was 156.3 MB in the beginning and 151.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 133]: 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; [L31] int cond; [L33] COND TRUE 1 [L34] cond = __VERIFIER_nondet_int() [L35] COND FALSE !(cond == 0) [L38] lk1 = 0 [L40] lk2 = 0 [L42] lk3 = 0 [L44] lk4 = 0 [L46] lk5 = 0 [L48] lk6 = 0 [L50] lk7 = 0 [L52] lk8 = 0 [L56] COND FALSE !(p1 != 0) [L60] COND TRUE p2 != 0 [L61] lk2 = 1 [L64] COND TRUE p3 != 0 [L65] lk3 = 1 [L68] COND TRUE p4 != 0 [L69] lk4 = 1 [L72] COND TRUE p5 != 0 [L73] lk5 = 1 [L76] COND TRUE p6 != 0 [L77] lk6 = 1 [L80] COND TRUE p7 != 0 [L81] lk7 = 1 [L84] COND FALSE !(p8 != 0) [L90] COND TRUE p1 != 0 [L91] COND TRUE lk1 != 1 [L133] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...