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_15-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:43:45,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:43:45,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:43:45,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-15 04:43:45,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:43:45,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:43:45,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:43:45,805 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 04:43:45,819 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:43:45,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:43:45,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:43:45,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:43:45,821 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:43:45,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:43:45,821 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:43:45,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:43:45,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:43:45,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:43:45,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:43:45,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:43:45,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:43:45,822 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:43:45,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:43:45,823 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:43:45,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:43:45,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:43:45,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:43:45,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:43:45,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:43:45,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:43:45,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:43:45,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:43:45,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:43:45,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:43:45,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:43:45,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:43:45,826 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 04:43:46,132 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:43:46,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:43:46,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:43:46,149 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:43:46,150 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:43:46,150 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_15-2.c [2019-10-15 04:43:46,210 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7db64baf3/7a1badd860344c68aadff0ba81a4bbd7/FLAG79ec2eeef [2019-10-15 04:43:46,645 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:43:46,646 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_15-2.c [2019-10-15 04:43:46,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7db64baf3/7a1badd860344c68aadff0ba81a4bbd7/FLAG79ec2eeef [2019-10-15 04:43:47,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7db64baf3/7a1badd860344c68aadff0ba81a4bbd7 [2019-10-15 04:43:47,029 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:43:47,031 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:43:47,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:43:47,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:43:47,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:43:47,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:43:47" (1/1) ... [2019-10-15 04:43:47,039 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 15.10 04:43:47, skipping insertion in model container [2019-10-15 04:43:47,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:43:47" (1/1) ... [2019-10-15 04:43:47,050 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:43:47,073 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:43:47,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:43:47,297 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:43:47,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:43:47,436 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:43:47,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:47 WrapperNode [2019-10-15 04:43:47,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:43:47,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:43:47,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:43:47,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:43:47,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:47" (1/1) ... [2019-10-15 04:43:47,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:47" (1/1) ... [2019-10-15 04:43:47,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:47" (1/1) ... [2019-10-15 04:43:47,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:47" (1/1) ... [2019-10-15 04:43:47,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:47" (1/1) ... [2019-10-15 04:43:47,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:47" (1/1) ... [2019-10-15 04:43:47,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:47" (1/1) ... [2019-10-15 04:43:47,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:43:47,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:43:47,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:43:47,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:43:47,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:47" (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 04:43:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:43:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:43:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:43:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:43:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:43:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:43:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:43:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:43:47,913 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:43:47,913 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:43:47,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:43:47 BoogieIcfgContainer [2019-10-15 04:43:47,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:43:47,916 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:43:47,916 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:43:47,916 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:43:47,917 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:43:47" (1/1) ... [2019-10-15 04:43:47,949 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:43:50,025 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:43:50,057 INFO L272 AbstractInterpreter]: Visited 106 different actions 3000 times. Merged at 75 different actions 1452 times. Never widened. Performed 7747 root evaluator evaluations with a maximum evaluation depth of 4. Performed 7747 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 1249 fixpoints after 64 different actions. Largest state had 48 variables. [2019-10-15 04:43:50,057 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:43:50,060 INFO L168 Benchmark]: Toolchain (without parser) took 3028.74 ms. Allocated memory was 138.9 MB in the beginning and 303.6 MB in the end (delta: 164.6 MB). Free memory was 103.8 MB in the beginning and 166.3 MB in the end (delta: -62.5 MB). Peak memory consumption was 102.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:50,062 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 04:43:50,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.26 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 103.6 MB in the beginning and 181.1 MB in the end (delta: -77.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:50,064 INFO L168 Benchmark]: Boogie Preprocessor took 49.01 ms. Allocated memory is still 201.9 MB. Free memory was 180.7 MB in the beginning and 178.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:50,066 INFO L168 Benchmark]: RCFGBuilder took 428.50 ms. Allocated memory is still 201.9 MB. Free memory was 178.7 MB in the beginning and 154.7 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:50,067 INFO L168 Benchmark]: Abstract Interpretation took 2141.98 ms. Allocated memory was 201.9 MB in the beginning and 303.6 MB in the end (delta: 101.7 MB). Free memory was 154.7 MB in the beginning and 166.3 MB in the end (delta: -11.6 MB). Peak memory consumption was 90.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:50,078 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 405.26 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 103.6 MB in the beginning and 181.1 MB in the end (delta: -77.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.01 ms. Allocated memory is still 201.9 MB. Free memory was 180.7 MB in the beginning and 178.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 428.50 ms. Allocated memory is still 201.9 MB. Free memory was 178.7 MB in the beginning and 154.7 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2141.98 ms. Allocated memory was 201.9 MB in the beginning and 303.6 MB in the end (delta: 101.7 MB). Free memory was 154.7 MB in the beginning and 166.3 MB in the end (delta: -11.6 MB). Peak memory consumption was 90.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 231]: 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; [L42] int p13 = __VERIFIER_nondet_int(); [L43] int lk13; [L45] int p14 = __VERIFIER_nondet_int(); [L46] int lk14; [L48] int p15 = __VERIFIER_nondet_int(); [L49] int lk15; [L52] int cond; [L54] COND TRUE 1 [L55] cond = __VERIFIER_nondet_int() [L56] COND FALSE !(cond == 0) [L59] lk1 = 0 [L61] lk2 = 0 [L63] lk3 = 0 [L65] lk4 = 0 [L67] lk5 = 0 [L69] lk6 = 0 [L71] lk7 = 0 [L73] lk8 = 0 [L75] lk9 = 0 [L77] lk10 = 0 [L79] lk11 = 0 [L81] lk12 = 0 [L83] lk13 = 0 [L85] lk14 = 0 [L87] lk15 = 0 [L91] COND FALSE !(p1 != 0) [L95] COND TRUE p2 != 0 [L96] lk2 = 1 [L99] COND TRUE p3 != 0 [L100] lk3 = 1 [L103] COND TRUE p4 != 0 [L104] lk4 = 1 [L107] COND TRUE p5 != 0 [L108] lk5 = 1 [L111] COND TRUE p6 != 0 [L112] lk6 = 1 [L115] COND TRUE p7 != 0 [L116] lk7 = 1 [L119] COND FALSE !(p8 != 0) [L123] COND TRUE p9 != 0 [L124] lk9 = 1 [L127] COND TRUE p10 != 0 [L128] lk10 = 1 [L131] COND TRUE p11 != 0 [L132] lk11 = 1 [L135] COND TRUE p12 != 0 [L136] lk12 = 1 [L139] COND TRUE p13 != 0 [L140] lk13 = 1 [L143] COND TRUE p14 != 0 [L144] lk14 = 1 [L147] COND TRUE p15 != 0 [L148] lk15 = 1 [L153] COND TRUE p1 != 0 [L154] COND TRUE lk1 != 1 [L231] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...