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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/locks/test_locks_13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:48:16,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:48:16,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:48:16,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:48:16,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:48:16,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:48:16,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:48:16,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:48:16,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:48:16,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:48:16,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:48:16,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:48:16,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:48:16,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:48:16,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:48:16,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:48:16,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:48:16,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:48:16,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:48:16,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:48:16,876 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:48:16,891 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:48:16,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:48:16,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:48:16,892 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:48:16,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:48:16,892 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:48:16,893 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:48:16,893 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:48:16,893 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:48:16,893 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:48:16,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:48:16,894 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:48:16,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:48:16,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:48:16,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:48:16,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:48:16,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:48:16,895 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:48:16,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:48:16,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:48:16,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:48:16,896 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:48:16,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:48:16,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:48:16,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:48:16,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:48:16,897 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:48:16,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:48:16,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:48:16,898 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:48:16,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:48:16,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:48:16,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:48:16,960 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:48:16,961 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:48:16,961 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_13.c [2019-09-20 13:48:17,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f703b3ef5/c850c2e87f2e43949ace2ed801bf6786/FLAGe24a36470 [2019-09-20 13:48:17,484 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:48:17,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_13.c [2019-09-20 13:48:17,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f703b3ef5/c850c2e87f2e43949ace2ed801bf6786/FLAGe24a36470 [2019-09-20 13:48:17,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f703b3ef5/c850c2e87f2e43949ace2ed801bf6786 [2019-09-20 13:48:17,858 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:48:17,861 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:48:17,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:17,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:48:17,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:48:17,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:17" (1/1) ... [2019-09-20 13:48:17,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bdf3111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:17, skipping insertion in model container [2019-09-20 13:48:17,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:17" (1/1) ... [2019-09-20 13:48:17,880 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:48:17,918 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:48:18,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:18,142 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:48:18,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:18,283 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:48:18,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:18 WrapperNode [2019-09-20 13:48:18,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:18,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:48:18,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:48:18,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:48:18,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:18" (1/1) ... [2019-09-20 13:48:18,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:18" (1/1) ... [2019-09-20 13:48:18,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:18" (1/1) ... [2019-09-20 13:48:18,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:18" (1/1) ... [2019-09-20 13:48:18,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:18" (1/1) ... [2019-09-20 13:48:18,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:18" (1/1) ... [2019-09-20 13:48:18,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:18" (1/1) ... [2019-09-20 13:48:18,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:48:18,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:48:18,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:48:18,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:48:18,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:18" (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 [2019-09-20 13:48:18,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:48:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:48:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:48:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:48:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:48:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:48:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:48:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:48:18,785 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:48:18,785 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:48:18,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:18 BoogieIcfgContainer [2019-09-20 13:48:18,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:48:18,787 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:48:18,788 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:48:18,788 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:48:18,792 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:18" (1/1) ... [2019-09-20 13:48:18,825 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:48:20,494 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:48:20,523 INFO L272 AbstractInterpreter]: Visited 94 different actions 2304 times. Merged at 66 different actions 1111 times. Never widened. Performed 5934 root evaluator evaluations with a maximum evaluation depth of 4. Performed 5934 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 959 fixpoints after 54 different actions. Largest state had 42 variables. [2019-09-20 13:48:20,523 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:48:20,527 INFO L168 Benchmark]: Toolchain (without parser) took 2665.64 ms. Allocated memory was 130.0 MB in the beginning and 275.3 MB in the end (delta: 145.2 MB). Free memory was 86.3 MB in the beginning and 74.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 156.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:20,528 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:48:20,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.13 ms. Allocated memory was 130.0 MB in the beginning and 197.7 MB in the end (delta: 67.6 MB). Free memory was 86.1 MB in the beginning and 174.4 MB in the end (delta: -88.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:20,531 INFO L168 Benchmark]: Boogie Preprocessor took 44.37 ms. Allocated memory is still 197.7 MB. Free memory was 174.4 MB in the beginning and 172.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:20,533 INFO L168 Benchmark]: RCFGBuilder took 457.34 ms. Allocated memory is still 197.7 MB. Free memory was 172.4 MB in the beginning and 150.2 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:20,534 INFO L168 Benchmark]: Abstract Interpretation took 1736.06 ms. Allocated memory was 197.7 MB in the beginning and 275.3 MB in the end (delta: 77.6 MB). Free memory was 150.2 MB in the beginning and 74.8 MB in the end (delta: 75.3 MB). Peak memory consumption was 152.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:20,544 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 420.13 ms. Allocated memory was 130.0 MB in the beginning and 197.7 MB in the end (delta: 67.6 MB). Free memory was 86.1 MB in the beginning and 174.4 MB in the end (delta: -88.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.37 ms. Allocated memory is still 197.7 MB. Free memory was 174.4 MB in the beginning and 172.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 457.34 ms. Allocated memory is still 197.7 MB. Free memory was 172.4 MB in the beginning and 150.2 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1736.06 ms. Allocated memory was 197.7 MB in the beginning and 275.3 MB in the end (delta: 77.6 MB). Free memory was 150.2 MB in the beginning and 74.8 MB in the end (delta: 75.3 MB). Peak memory consumption was 152.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 203]: 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; [L46] int cond; [L48] COND TRUE 1 [L49] cond = __VERIFIER_nondet_int() [L50] COND FALSE !(cond == 0) [L53] lk1 = 0 [L55] lk2 = 0 [L57] lk3 = 0 [L59] lk4 = 0 [L61] lk5 = 0 [L63] lk6 = 0 [L65] lk7 = 0 [L67] lk8 = 0 [L69] lk9 = 0 [L71] lk10 = 0 [L73] lk11 = 0 [L75] lk12 = 0 [L77] lk13 = 0 [L81] COND FALSE !(p1 != 0) [L85] COND TRUE p2 != 0 [L86] lk2 = 1 [L89] COND TRUE p3 != 0 [L90] lk3 = 1 [L93] COND TRUE p4 != 0 [L94] lk4 = 1 [L97] COND TRUE p5 != 0 [L98] lk5 = 1 [L101] COND TRUE p6 != 0 [L102] lk6 = 1 [L105] COND TRUE p7 != 0 [L106] lk7 = 1 [L109] COND FALSE !(p8 != 0) [L113] COND TRUE p9 != 0 [L114] lk9 = 1 [L117] COND TRUE p10 != 0 [L118] lk10 = 1 [L121] COND TRUE p11 != 0 [L122] lk11 = 1 [L125] COND TRUE p12 != 0 [L126] lk12 = 1 [L129] COND TRUE p13 != 0 [L130] lk13 = 1 [L135] COND TRUE p1 != 0 [L136] COND TRUE lk1 != 1 [L203] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...