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_12.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:38:32,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:38:32,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:38:32,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-14 00:38:32,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:38:32,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:38:32,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:38:32,273 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 00:38:32,297 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:38:32,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:38:32,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:38:32,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:38:32,300 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:38:32,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:38:32,301 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:38:32,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:38:32,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:38:32,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:38:32,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:38:32,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:38:32,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:38:32,302 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:38:32,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:38:32,303 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:38:32,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:38:32,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:38:32,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:38:32,305 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:38:32,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:38:32,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:38:32,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:38:32,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:38:32,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:38:32,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:38:32,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:38:32,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:38:32,308 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 00:38:32,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:38:32,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:38:32,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:38:32,630 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:38:32,631 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:38:32,632 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_12.c [2019-10-14 00:38:32,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54824d091/c7aff2a2b26744838bafdc65810083c4/FLAG4382c54f5 [2019-10-14 00:38:33,173 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:38:33,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_12.c [2019-10-14 00:38:33,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54824d091/c7aff2a2b26744838bafdc65810083c4/FLAG4382c54f5 [2019-10-14 00:38:33,539 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54824d091/c7aff2a2b26744838bafdc65810083c4 [2019-10-14 00:38:33,550 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:38:33,551 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:38:33,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:38:33,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:38:33,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:38:33,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:33" (1/1) ... [2019-10-14 00:38:33,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7757f965 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 00:38:33,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:33" (1/1) ... [2019-10-14 00:38:33,565 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:38:33,595 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:38:33,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:38:33,827 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:38:33,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:38:33,879 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:38:33,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:33 WrapperNode [2019-10-14 00:38:33,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:38:33,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:38:33,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:38:33,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:38:33,980 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 00:38:33,980 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 00:38:33,986 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 00:38:33,986 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 00:38:33,994 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 00:38:34,002 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 00:38:34,004 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 00:38:34,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:38:34,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:38:34,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:38:34,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:38:34,013 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 00:38:34,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:38:34,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:38:34,066 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:38:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:38:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:38:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:38:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:38:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:38:34,435 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:38:34,435 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 00:38:34,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:38:34 BoogieIcfgContainer [2019-10-14 00:38:34,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:38:34,438 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:38:34,438 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:38:34,438 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:38:34,446 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 00:38:34,477 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:38:35,951 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-14 00:38:35,980 INFO L272 AbstractInterpreter]: Visited 88 different actions 1876 times. Merged at 60 different actions 898 times. Never widened. Performed 4846 root evaluator evaluations with a maximum evaluation depth of 4. Performed 4846 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 785 fixpoints after 50 different actions. Largest state had 39 variables. [2019-10-14 00:38:35,980 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:38:35,984 INFO L168 Benchmark]: Toolchain (without parser) took 2431.21 ms. Allocated memory was 146.3 MB in the beginning and 245.4 MB in the end (delta: 99.1 MB). Free memory was 104.1 MB in the beginning and 105.1 MB in the end (delta: -1.0 MB). Peak memory consumption was 98.1 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:35,986 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 00:38:35,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.77 ms. Allocated memory is still 146.3 MB. Free memory was 103.9 MB in the beginning and 92.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:35,988 INFO L168 Benchmark]: Boogie Preprocessor took 130.87 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 92.9 MB in the beginning and 181.2 MB in the end (delta: -88.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:35,991 INFO L168 Benchmark]: RCFGBuilder took 425.24 ms. Allocated memory is still 203.4 MB. Free memory was 181.2 MB in the beginning and 160.6 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:35,992 INFO L168 Benchmark]: Abstract Interpretation took 1542.96 ms. Allocated memory was 203.4 MB in the beginning and 245.4 MB in the end (delta: 41.9 MB). Free memory was 159.9 MB in the beginning and 105.1 MB in the end (delta: 54.9 MB). Peak memory consumption was 96.8 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:36,003 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 328.77 ms. Allocated memory is still 146.3 MB. Free memory was 103.9 MB in the beginning and 92.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.87 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 92.9 MB in the beginning and 181.2 MB in the end (delta: -88.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 425.24 ms. Allocated memory is still 203.4 MB. Free memory was 181.2 MB in the beginning and 160.6 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1542.96 ms. Allocated memory was 203.4 MB in the beginning and 245.4 MB in the end (delta: 41.9 MB). Free memory was 159.9 MB in the beginning and 105.1 MB in the end (delta: 54.9 MB). Peak memory consumption was 96.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 189]: 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; [L39] int p12 = __VERIFIER_nondet_int(); [L40] int lk12; [L43] int cond; [L45] COND TRUE 1 [L46] cond = __VERIFIER_nondet_int() [L47] COND FALSE !(cond == 0) [L50] lk1 = 0 [L52] lk2 = 0 [L54] lk3 = 0 [L56] lk4 = 0 [L58] lk5 = 0 [L60] lk6 = 0 [L62] lk7 = 0 [L64] lk8 = 0 [L66] lk9 = 0 [L68] lk10 = 0 [L70] lk11 = 0 [L72] lk12 = 0 [L76] COND FALSE !(p1 != 0) [L80] COND TRUE p2 != 0 [L81] lk2 = 1 [L84] COND TRUE p3 != 0 [L85] lk3 = 1 [L88] COND TRUE p4 != 0 [L89] lk4 = 1 [L92] COND TRUE p5 != 0 [L93] lk5 = 1 [L96] COND TRUE p6 != 0 [L97] lk6 = 1 [L100] COND TRUE p7 != 0 [L101] lk7 = 1 [L104] COND FALSE !(p8 != 0) [L108] COND TRUE p9 != 0 [L109] lk9 = 1 [L112] COND TRUE p10 != 0 [L113] lk10 = 1 [L116] COND TRUE p11 != 0 [L117] lk11 = 1 [L120] COND TRUE p12 != 0 [L121] lk12 = 1 [L126] COND TRUE p1 != 0 [L127] COND TRUE lk1 != 1 [L189] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...