/usr/bin/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/locks/test_locks_10.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:56:50,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:56:50,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:56:50,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-07 06:56:50,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 06:56:50,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 06:56:50,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 06:56:50,318 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 06:56:50,332 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:56:50,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:56:50,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:56:50,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:56:50,334 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:56:50,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:56:50,334 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:56:50,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:56:50,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:56:50,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:56:50,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:56:50,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:56:50,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:56:50,336 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:56:50,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:56:50,336 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:56:50,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:56:50,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:56:50,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:56:50,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:56:50,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:56:50,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:56:50,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:56:50,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:56:50,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:56:50,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:56:50,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:56:50,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:56:50,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 06:56:50,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:56:50,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:56:50,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:56:50,676 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:56:50,677 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:56:50,678 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_10.c [2019-11-07 06:56:50,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cbbb9d6a/54e24225e3a343f4b05674e0adbb19e7/FLAG3437cf7e4 [2019-11-07 06:56:51,192 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:56:51,193 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_10.c [2019-11-07 06:56:51,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cbbb9d6a/54e24225e3a343f4b05674e0adbb19e7/FLAG3437cf7e4 [2019-11-07 06:56:51,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cbbb9d6a/54e24225e3a343f4b05674e0adbb19e7 [2019-11-07 06:56:51,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:56:51,592 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:56:51,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:56:51,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:56:51,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:56:51,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:56:51" (1/1) ... [2019-11-07 06:56:51,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91f3dac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:51, skipping insertion in model container [2019-11-07 06:56:51,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:56:51" (1/1) ... [2019-11-07 06:56:51,608 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:56:51,631 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:56:51,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:56:51,886 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:56:51,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:56:52,019 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:56:52,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:52 WrapperNode [2019-11-07 06:56:52,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:56:52,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:56:52,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:56:52,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:56:52,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:52" (1/1) ... [2019-11-07 06:56:52,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:52" (1/1) ... [2019-11-07 06:56:52,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:52" (1/1) ... [2019-11-07 06:56:52,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:52" (1/1) ... [2019-11-07 06:56:52,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:52" (1/1) ... [2019-11-07 06:56:52,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:52" (1/1) ... [2019-11-07 06:56:52,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:52" (1/1) ... [2019-11-07 06:56:52,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:56:52,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:56:52,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:56:52,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:56:52,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:52" (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 [2019-11-07 06:56:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:56:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:56:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:56:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:56:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 06:56:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:56:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:56:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:56:52,466 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:56:52,466 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 06:56:52,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:56:52 BoogieIcfgContainer [2019-11-07 06:56:52,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:56:52,468 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:56:52,469 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:56:52,469 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:56:52,470 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:56:52" (1/1) ... [2019-11-07 06:56:52,503 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:56:53,548 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 06:56:53,572 INFO L272 AbstractInterpreter]: Visited 76 different actions 1334 times. Merged at 51 different actions 635 times. Never widened. Performed 3434 root evaluator evaluations with a maximum evaluation depth of 4. Performed 3434 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 560 fixpoints after 41 different actions. Largest state had 33 variables. [2019-11-07 06:56:53,572 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:56:53,575 INFO L168 Benchmark]: Toolchain (without parser) took 1982.53 ms. Allocated memory was 144.7 MB in the beginning and 248.5 MB in the end (delta: 103.8 MB). Free memory was 101.6 MB in the beginning and 219.1 MB in the end (delta: -117.5 MB). Peak memory consumption was 108.3 MB. Max. memory is 7.1 GB. [2019-11-07 06:56:53,576 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 06:56:53,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.54 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.4 MB in the beginning and 181.1 MB in the end (delta: -79.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2019-11-07 06:56:53,578 INFO L168 Benchmark]: Boogie Preprocessor took 34.69 ms. Allocated memory is still 201.9 MB. Free memory was 181.1 MB in the beginning and 178.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-11-07 06:56:53,579 INFO L168 Benchmark]: RCFGBuilder took 412.50 ms. Allocated memory is still 201.9 MB. Free memory was 178.8 MB in the beginning and 160.1 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-11-07 06:56:53,580 INFO L168 Benchmark]: Abstract Interpretation took 1103.70 ms. Allocated memory was 201.9 MB in the beginning and 248.5 MB in the end (delta: 46.7 MB). Free memory was 159.5 MB in the beginning and 219.1 MB in the end (delta: -59.6 MB). Peak memory consumption was 109.0 MB. Max. memory is 7.1 GB. [2019-11-07 06:56:53,584 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 427.54 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.4 MB in the beginning and 181.1 MB in the end (delta: -79.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.69 ms. Allocated memory is still 201.9 MB. Free memory was 181.1 MB in the beginning and 178.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 412.50 ms. Allocated memory is still 201.9 MB. Free memory was 178.8 MB in the beginning and 160.1 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1103.70 ms. Allocated memory was 201.9 MB in the beginning and 248.5 MB in the end (delta: 46.7 MB). Free memory was 159.5 MB in the beginning and 219.1 MB in the end (delta: -59.6 MB). Peak memory consumption was 109.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 161]: 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; [L37] int cond; [L39] COND TRUE 1 [L40] cond = __VERIFIER_nondet_int() [L41] COND FALSE !(cond == 0) [L44] lk1 = 0 [L46] lk2 = 0 [L48] lk3 = 0 [L50] lk4 = 0 [L52] lk5 = 0 [L54] lk6 = 0 [L56] lk7 = 0 [L58] lk8 = 0 [L60] lk9 = 0 [L62] lk10 = 0 [L66] COND FALSE !(p1 != 0) [L70] COND TRUE p2 != 0 [L71] lk2 = 1 [L74] COND TRUE p3 != 0 [L75] lk3 = 1 [L78] COND TRUE p4 != 0 [L79] lk4 = 1 [L82] COND TRUE p5 != 0 [L83] lk5 = 1 [L86] COND TRUE p6 != 0 [L87] lk6 = 1 [L90] COND TRUE p7 != 0 [L91] lk7 = 1 [L94] COND FALSE !(p8 != 0) [L98] COND TRUE p9 != 0 [L99] lk9 = 1 [L102] COND TRUE p10 != 0 [L103] lk10 = 1 [L108] COND TRUE p1 != 0 [L109] COND TRUE lk1 != 1 [L161] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...