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_5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:38:35,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:38:35,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:38:35,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-14 00:38:35,367 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 00:38:35,399 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:38:35,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:38:35,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:38:35,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:38:35,404 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:38:35,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:38:35,404 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:38:35,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:38:35,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:38:35,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:38:35,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:38:35,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:38:35,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:38:35,409 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:38:35,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:38:35,410 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:38:35,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:38:35,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:38:35,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:38:35,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:38:35,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:38:35,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:38:35,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:38:35,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:38:35,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:38:35,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:38:35,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:38:35,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:38:35,414 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 00:38:35,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:38:35,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:38:35,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:38:35,712 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:38:35,712 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:38:35,713 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_5.c [2019-10-14 00:38:35,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8895867c9/2817fbfe9fe34f61b534b32e398a4df8/FLAG95cdaee9e [2019-10-14 00:38:36,243 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:38:36,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_5.c [2019-10-14 00:38:36,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8895867c9/2817fbfe9fe34f61b534b32e398a4df8/FLAG95cdaee9e [2019-10-14 00:38:36,613 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8895867c9/2817fbfe9fe34f61b534b32e398a4df8 [2019-10-14 00:38:36,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:38:36,626 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:38:36,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:38:36,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:38:36,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:38:36,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:36" (1/1) ... [2019-10-14 00:38:36,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6332a30e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:36, skipping insertion in model container [2019-10-14 00:38:36,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:36" (1/1) ... [2019-10-14 00:38:36,644 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:38:36,665 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:38:36,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:38:36,863 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:38:36,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:38:36,903 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:38:36,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:36 WrapperNode [2019-10-14 00:38:36,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:38:36,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:38:36,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:38:36,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:38:37,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:36" (1/1) ... [2019-10-14 00:38:37,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:36" (1/1) ... [2019-10-14 00:38:37,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:36" (1/1) ... [2019-10-14 00:38:37,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:36" (1/1) ... [2019-10-14 00:38:37,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:36" (1/1) ... [2019-10-14 00:38:37,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:36" (1/1) ... [2019-10-14 00:38:37,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:36" (1/1) ... [2019-10-14 00:38:37,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:38:37,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:38:37,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:38:37,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:38:37,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:36" (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 00:38:37,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:38:37,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:38:37,089 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:38:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:38:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:38:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:38:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:38:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:38:37,355 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:38:37,355 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 00:38:37,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:38:37 BoogieIcfgContainer [2019-10-14 00:38:37,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:38:37,359 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:38:37,359 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:38:37,359 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:38:37,360 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:38:37" (1/1) ... [2019-10-14 00:38:37,407 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:38:37,938 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-14 00:38:37,965 INFO L272 AbstractInterpreter]: Visited 46 different actions 366 times. Merged at 26 different actions 166 times. Never widened. Performed 914 root evaluator evaluations with a maximum evaluation depth of 4. Performed 914 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 140 fixpoints after 16 different actions. Largest state had 18 variables. [2019-10-14 00:38:37,966 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:38:37,971 INFO L168 Benchmark]: Toolchain (without parser) took 1342.50 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 102.4 MB in the beginning and 120.4 MB in the end (delta: -18.0 MB). Peak memory consumption was 46.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:37,973 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-14 00:38:37,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.82 ms. Allocated memory is still 137.9 MB. Free memory was 102.2 MB in the beginning and 92.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:37,977 INFO L168 Benchmark]: Boogie Preprocessor took 122.33 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 92.3 MB in the beginning and 180.7 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:37,979 INFO L168 Benchmark]: RCFGBuilder took 330.56 ms. Allocated memory is still 202.4 MB. Free memory was 180.7 MB in the beginning and 166.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:37,980 INFO L168 Benchmark]: Abstract Interpretation took 607.21 ms. Allocated memory is still 202.4 MB. Free memory was 166.1 MB in the beginning and 120.4 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:37,990 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 277.82 ms. Allocated memory is still 137.9 MB. Free memory was 102.2 MB in the beginning and 92.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.33 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 92.3 MB in the beginning and 180.7 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 330.56 ms. Allocated memory is still 202.4 MB. Free memory was 180.7 MB in the beginning and 166.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 607.21 ms. Allocated memory is still 202.4 MB. Free memory was 166.1 MB in the beginning and 120.4 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 91]: 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; [L22] int cond; [L24] COND TRUE 1 [L25] cond = __VERIFIER_nondet_int() [L26] COND FALSE !(cond == 0) [L29] lk1 = 0 [L31] lk2 = 0 [L33] lk3 = 0 [L35] lk4 = 0 [L37] lk5 = 0 [L41] COND FALSE !(p1 != 0) [L45] COND TRUE p2 != 0 [L46] lk2 = 1 [L49] COND TRUE p3 != 0 [L50] lk3 = 1 [L53] COND TRUE p4 != 0 [L54] lk4 = 1 [L57] COND TRUE p5 != 0 [L58] lk5 = 1 [L63] COND TRUE p1 != 0 [L64] COND TRUE lk1 != 1 [L91] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...