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_9.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:38:36,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:38:36,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:38:36,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-14 00:38:36,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:38:36,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:38:36,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:38:36,946 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 00:38:36,964 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:38:36,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:38:36,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:38:36,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:38:36,967 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:38:36,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:38:36,968 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:38:36,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:38:36,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:38:36,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:38:36,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:38:36,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:38:36,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:38:36,970 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:38:36,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:38:36,971 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:38:36,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:38:36,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:38:36,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:38:36,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:38:36,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:38:36,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:38:36,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:38:36,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:38:36,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:38:36,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:38:36,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:38:36,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:38:36,973 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 00:38:37,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:38:37,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:38:37,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:38:37,333 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:38:37,333 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:38:37,335 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_9.c [2019-10-14 00:38:37,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0279874c/4a27bc50b1fd4695b6fce66beb1a1c36/FLAGd5c2bdb21 [2019-10-14 00:38:37,873 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:38:37,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_9.c [2019-10-14 00:38:37,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0279874c/4a27bc50b1fd4695b6fce66beb1a1c36/FLAGd5c2bdb21 [2019-10-14 00:38:38,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0279874c/4a27bc50b1fd4695b6fce66beb1a1c36 [2019-10-14 00:38:38,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:38:38,258 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:38:38,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:38:38,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:38:38,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:38:38,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:38" (1/1) ... [2019-10-14 00:38:38,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a1e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:38, skipping insertion in model container [2019-10-14 00:38:38,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:38" (1/1) ... [2019-10-14 00:38:38,275 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:38:38,298 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:38:38,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:38:38,477 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:38:38,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:38:38,625 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:38:38,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:38 WrapperNode [2019-10-14 00:38:38,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:38:38,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:38:38,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:38:38,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:38:38,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:38" (1/1) ... [2019-10-14 00:38:38,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:38" (1/1) ... [2019-10-14 00:38:38,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:38" (1/1) ... [2019-10-14 00:38:38,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:38" (1/1) ... [2019-10-14 00:38:38,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:38" (1/1) ... [2019-10-14 00:38:38,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:38" (1/1) ... [2019-10-14 00:38:38,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:38" (1/1) ... [2019-10-14 00:38:38,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:38:38,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:38:38,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:38:38,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:38:38,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:38" (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 00:38:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:38:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:38:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:38:38,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:38:38,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:38:38,719 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:38:38,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:38:38,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:38:39,070 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:38:39,070 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 00:38:39,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:38:39 BoogieIcfgContainer [2019-10-14 00:38:39,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:38:39,073 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:38:39,073 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:38:39,074 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:38:39,074 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:38:39" (1/1) ... [2019-10-14 00:38:39,102 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:38:40,141 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-14 00:38:40,170 INFO L272 AbstractInterpreter]: Visited 70 different actions 1196 times. Merged at 46 different actions 569 times. Never widened. Performed 3063 root evaluator evaluations with a maximum evaluation depth of 4. Performed 3063 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 504 fixpoints after 35 different actions. Largest state had 30 variables. [2019-10-14 00:38:40,171 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:38:40,175 INFO L168 Benchmark]: Toolchain (without parser) took 1914.46 ms. Allocated memory was 143.7 MB in the beginning and 233.3 MB in the end (delta: 89.7 MB). Free memory was 103.0 MB in the beginning and 103.1 MB in the end (delta: -148.9 kB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:40,177 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 00:38:40,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.88 ms. Allocated memory was 143.7 MB in the beginning and 203.4 MB in the end (delta: 59.8 MB). Free memory was 102.5 MB in the beginning and 182.8 MB in the end (delta: -80.3 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:40,181 INFO L168 Benchmark]: Boogie Preprocessor took 35.62 ms. Allocated memory is still 203.4 MB. Free memory was 182.8 MB in the beginning and 180.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:40,183 INFO L168 Benchmark]: RCFGBuilder took 410.24 ms. Allocated memory is still 203.4 MB. Free memory was 180.6 MB in the beginning and 162.6 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:40,184 INFO L168 Benchmark]: Abstract Interpretation took 1097.82 ms. Allocated memory was 203.4 MB in the beginning and 233.3 MB in the end (delta: 29.9 MB). Free memory was 162.6 MB in the beginning and 103.1 MB in the end (delta: 59.5 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:40,196 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 143.7 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 366.88 ms. Allocated memory was 143.7 MB in the beginning and 203.4 MB in the end (delta: 59.8 MB). Free memory was 102.5 MB in the beginning and 182.8 MB in the end (delta: -80.3 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.62 ms. Allocated memory is still 203.4 MB. Free memory was 182.8 MB in the beginning and 180.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 410.24 ms. Allocated memory is still 203.4 MB. Free memory was 180.6 MB in the beginning and 162.6 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1097.82 ms. Allocated memory was 203.4 MB in the beginning and 233.3 MB in the end (delta: 29.9 MB). Free memory was 162.6 MB in the beginning and 103.1 MB in the end (delta: 59.5 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 147]: 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; [L34] int cond; [L36] COND TRUE 1 [L37] cond = __VERIFIER_nondet_int() [L38] COND FALSE !(cond == 0) [L41] lk1 = 0 [L43] lk2 = 0 [L45] lk3 = 0 [L47] lk4 = 0 [L49] lk5 = 0 [L51] lk6 = 0 [L53] lk7 = 0 [L55] lk8 = 0 [L57] lk9 = 0 [L61] COND FALSE !(p1 != 0) [L65] COND TRUE p2 != 0 [L66] lk2 = 1 [L69] COND TRUE p3 != 0 [L70] lk3 = 1 [L73] COND TRUE p4 != 0 [L74] lk4 = 1 [L77] COND TRUE p5 != 0 [L78] lk5 = 1 [L81] COND TRUE p6 != 0 [L82] lk6 = 1 [L85] COND TRUE p7 != 0 [L86] lk7 = 1 [L89] COND FALSE !(p8 != 0) [L93] COND TRUE p9 != 0 [L94] lk9 = 1 [L99] COND TRUE p1 != 0 [L100] COND TRUE lk1 != 1 [L147] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...