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_11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:38:31,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:38:31,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:38:31,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-14 00:38:31,966 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 [2019-10-14 00:38:31,990 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:38:31,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:38:31,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:38:31,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:38:31,993 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:38:31,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:38:31,993 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:38:31,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:38:31,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:38:31,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:38:31,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:38:31,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:38:31,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:38:31,995 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:38:31,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:38:31,995 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:38:31,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:38:31,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:38:31,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:38:31,996 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:38:31,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:38:31,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:38:31,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:38:31,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:38:31,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:38:31,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:38:31,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:38:31,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:38:31,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-14 00:38:32,310 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:38:32,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:38:32,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:38:32,335 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:38:32,336 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:38:32,337 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_11.c [2019-10-14 00:38:32,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13520d1aa/199624b74e574211bddda9e6b3048219/FLAGf9d69a978 [2019-10-14 00:38:32,903 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:38:32,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_11.c [2019-10-14 00:38:32,912 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13520d1aa/199624b74e574211bddda9e6b3048219/FLAGf9d69a978 [2019-10-14 00:38:33,251 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13520d1aa/199624b74e574211bddda9e6b3048219 [2019-10-14 00:38:33,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:38:33,263 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:38:33,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:38:33,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:38:33,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:38:33,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:33" (1/1) ... [2019-10-14 00:38:33,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc96ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:33, skipping insertion in model container [2019-10-14 00:38:33,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:33" (1/1) ... [2019-10-14 00:38:33,279 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:38:33,304 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:38:33,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:38:33,535 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:38:33,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:38:33,657 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:38:33,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:33 WrapperNode [2019-10-14 00:38:33,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:38:33,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:38:33,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:38:33,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:38:33,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:33" (1/1) ... [2019-10-14 00:38:33,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:33" (1/1) ... [2019-10-14 00:38:33,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:33" (1/1) ... [2019-10-14 00:38:33,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:33" (1/1) ... [2019-10-14 00:38:33,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:33" (1/1) ... [2019-10-14 00:38:33,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:33" (1/1) ... [2019-10-14 00:38:33,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:33" (1/1) ... [2019-10-14 00:38:33,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:38:33,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:38:33,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:38:33,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:38:33,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:33" (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 [2019-10-14 00:38:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:38:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:38:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:38:33,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:38:33,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:38:33,765 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:38:33,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:38:33,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:38:34,074 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:38:34,075 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 00:38:34,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:38:34 BoogieIcfgContainer [2019-10-14 00:38:34,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:38:34,078 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:38:34,078 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:38:34,078 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:38:34,079 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:38:34" (1/1) ... [2019-10-14 00:38:34,117 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:38:35,462 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-14 00:38:35,492 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. [2019-10-14 00:38:35,493 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:38:35,497 INFO L168 Benchmark]: Toolchain (without parser) took 2231.99 ms. Allocated memory was 138.4 MB in the beginning and 246.4 MB in the end (delta: 108.0 MB). Free memory was 102.9 MB in the beginning and 161.0 MB in the end (delta: -58.1 MB). Peak memory consumption was 49.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:35,498 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 00:38:35,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.32 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 102.7 MB in the beginning and 181.2 MB in the end (delta: -78.5 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:35,501 INFO L168 Benchmark]: Boogie Preprocessor took 51.99 ms. Allocated memory is still 201.9 MB. Free memory was 181.2 MB in the beginning and 178.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:35,504 INFO L168 Benchmark]: RCFGBuilder took 365.98 ms. Allocated memory is still 201.9 MB. Free memory was 178.9 MB in the beginning and 158.6 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:35,505 INFO L168 Benchmark]: Abstract Interpretation took 1414.73 ms. Allocated memory was 201.9 MB in the beginning and 246.4 MB in the end (delta: 44.6 MB). Free memory was 158.6 MB in the beginning and 161.0 MB in the end (delta: -2.5 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:35,516 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 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 395.32 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 102.7 MB in the beginning and 181.2 MB in the end (delta: -78.5 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.99 ms. Allocated memory is still 201.9 MB. Free memory was 181.2 MB in the beginning and 178.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 365.98 ms. Allocated memory is still 201.9 MB. Free memory was 178.9 MB in the beginning and 158.6 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1414.73 ms. Allocated memory was 201.9 MB in the beginning and 246.4 MB in the end (delta: 44.6 MB). Free memory was 158.6 MB in the beginning and 161.0 MB in the end (delta: -2.5 MB). Peak memory consumption was 42.1 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...