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 0.1.24-13a467a-m [2019-10-15 04:43:47,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:43:47,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:43:47,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:43:47,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:43:47,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:43:47,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:43:47,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:43:47,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:43:47,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:43:47,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:43:47,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:43:47,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:43:47,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:43:47,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:43:47,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:43:47,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:43:47,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:43:47,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:43:47,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:43:47,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:43:47,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:43:47,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:43:47,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:43:47,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:43:47,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:43:47,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:43:47,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:43:47,069 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 [2019-10-15 04:43:47,083 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:43:47,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:43:47,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:43:47,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:43:47,085 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:43:47,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:43:47,086 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:43:47,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:43:47,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:43:47,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:43:47,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:43:47,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:43:47,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:43:47,087 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:43:47,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:43:47,087 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:43:47,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:43:47,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:43:47,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:43:47,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:43:47,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:43:47,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:43:47,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:43:47,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:43:47,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:43:47,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:43:47,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:43:47,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:43:47,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:43:47,379 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:43:47,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:43:47,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:43:47,406 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:43:47,406 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:43:47,407 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_9.c [2019-10-15 04:43:47,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a9ccbd9e/fe85470f9f3e491d82fef9fe06fe94dc/FLAGa6dfd06d4 [2019-10-15 04:43:47,950 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:43:47,951 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_9.c [2019-10-15 04:43:47,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a9ccbd9e/fe85470f9f3e491d82fef9fe06fe94dc/FLAGa6dfd06d4 [2019-10-15 04:43:48,333 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a9ccbd9e/fe85470f9f3e491d82fef9fe06fe94dc [2019-10-15 04:43:48,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:43:48,344 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:43:48,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:43:48,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:43:48,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:43:48,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:43:48" (1/1) ... [2019-10-15 04:43:48,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ecb38d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48, skipping insertion in model container [2019-10-15 04:43:48,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:43:48" (1/1) ... [2019-10-15 04:43:48,361 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:43:48,388 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:43:48,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:43:48,562 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:43:48,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:43:48,701 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:43:48,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48 WrapperNode [2019-10-15 04:43:48,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:43:48,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:43:48,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:43:48,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:43:48,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48" (1/1) ... [2019-10-15 04:43:48,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48" (1/1) ... [2019-10-15 04:43:48,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48" (1/1) ... [2019-10-15 04:43:48,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48" (1/1) ... [2019-10-15 04:43:48,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48" (1/1) ... [2019-10-15 04:43:48,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48" (1/1) ... [2019-10-15 04:43:48,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48" (1/1) ... [2019-10-15 04:43:48,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:43:48,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:43:48,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:43:48,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:43:48,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48" (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 [2019-10-15 04:43:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:43:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:43:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:43:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:43:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:43:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:43:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:43:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:43:49,131 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:43:49,131 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:43:49,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:43:49 BoogieIcfgContainer [2019-10-15 04:43:49,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:43:49,134 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:43:49,134 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:43:49,134 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:43:49,135 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:43:49" (1/1) ... [2019-10-15 04:43:49,169 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:43:50,216 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:43:50,244 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. [2019-10-15 04:43:50,244 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:43:50,248 INFO L168 Benchmark]: Toolchain (without parser) took 1902.84 ms. Allocated memory was 137.4 MB in the beginning and 232.3 MB in the end (delta: 94.9 MB). Free memory was 102.1 MB in the beginning and 106.1 MB in the end (delta: -3.9 MB). Peak memory consumption was 91.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:50,249 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:43:50,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.56 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 101.7 MB in the beginning and 179.8 MB in the end (delta: -78.1 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:50,253 INFO L168 Benchmark]: Boogie Preprocessor took 41.87 ms. Allocated memory is still 200.8 MB. Free memory was 179.8 MB in the beginning and 177.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:50,255 INFO L168 Benchmark]: RCFGBuilder took 388.35 ms. Allocated memory is still 200.8 MB. Free memory was 177.4 MB in the beginning and 160.0 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:50,256 INFO L168 Benchmark]: Abstract Interpretation took 1111.01 ms. Allocated memory was 200.8 MB in the beginning and 232.3 MB in the end (delta: 31.5 MB). Free memory was 159.0 MB in the beginning and 106.1 MB in the end (delta: 53.0 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:50,266 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 137.4 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 357.56 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 101.7 MB in the beginning and 179.8 MB in the end (delta: -78.1 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.87 ms. Allocated memory is still 200.8 MB. Free memory was 179.8 MB in the beginning and 177.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 388.35 ms. Allocated memory is still 200.8 MB. Free memory was 177.4 MB in the beginning and 160.0 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1111.01 ms. Allocated memory was 200.8 MB in the beginning and 232.3 MB in the end (delta: 31.5 MB). Free memory was 159.0 MB in the beginning and 106.1 MB in the end (delta: 53.0 MB). Peak memory consumption was 84.4 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...