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_12.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:28:24,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:28:24,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:28:24,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-16 17:28:24,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:28:24,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:28:24,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:28:24,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:28:24,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:28:24,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:28:24,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:28:24,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:28:24,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:28:24,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:28:24,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:28:24,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:28:24,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:28:24,665 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 [2019-09-16 17:28:24,689 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:28:24,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:28:24,690 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:28:24,690 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:28:24,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:28:24,691 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:28:24,691 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:28:24,692 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:28:24,692 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:28:24,692 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:28:24,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:28:24,694 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:28:24,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:28:24,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:28:24,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:28:24,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:28:24,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:28:24,696 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:28:24,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:28:24,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:28:24,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:28:24,697 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:28:24,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:28:24,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:28:24,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:28:24,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:28:24,698 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:28:24,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:28:24,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:28:24,699 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:28:24,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:28:24,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:28:24,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:28:24,777 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:28:24,778 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:28:24,779 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_12.c [2019-09-16 17:28:24,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76189432d/6f4c5141652d486ebe3495b9a6a3413c/FLAGf64befd3c [2019-09-16 17:28:25,267 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:28:25,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_12.c [2019-09-16 17:28:25,277 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76189432d/6f4c5141652d486ebe3495b9a6a3413c/FLAGf64befd3c [2019-09-16 17:28:25,650 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76189432d/6f4c5141652d486ebe3495b9a6a3413c [2019-09-16 17:28:25,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:28:25,662 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:28:25,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:28:25,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:28:25,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:28:25,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:28:25" (1/1) ... [2019-09-16 17:28:25,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b8ced7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:25, skipping insertion in model container [2019-09-16 17:28:25,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:28:25" (1/1) ... [2019-09-16 17:28:25,678 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:28:25,706 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:28:25,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:28:25,880 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:28:25,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:28:25,924 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:28:25,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:25 WrapperNode [2019-09-16 17:28:25,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:28:25,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:28:25,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:28:25,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:28:26,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:25" (1/1) ... [2019-09-16 17:28:26,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:25" (1/1) ... [2019-09-16 17:28:26,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:25" (1/1) ... [2019-09-16 17:28:26,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:25" (1/1) ... [2019-09-16 17:28:26,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:25" (1/1) ... [2019-09-16 17:28:26,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:25" (1/1) ... [2019-09-16 17:28:26,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:25" (1/1) ... [2019-09-16 17:28:26,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:28:26,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:28:26,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:28:26,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:28:26,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:25" (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 [2019-09-16 17:28:26,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:28:26,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:28:26,125 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:28:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:28:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:28:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:28:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:28:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:28:26,452 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:28:26,452 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-16 17:28:26,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:28:26 BoogieIcfgContainer [2019-09-16 17:28:26,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:28:26,454 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:28:26,454 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:28:26,455 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:28:26,456 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:28:26" (1/1) ... [2019-09-16 17:28:26,486 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:28:27,865 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-16 17:28:27,894 INFO L272 AbstractInterpreter]: Visited 88 different actions 1876 times. Merged at 60 different actions 898 times. Never widened. Performed 4846 root evaluator evaluations with a maximum evaluation depth of 4. Performed 4846 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 785 fixpoints after 50 different actions. Largest state had 39 variables. [2019-09-16 17:28:27,894 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:28:27,898 INFO L168 Benchmark]: Toolchain (without parser) took 2234.19 ms. Allocated memory was 141.0 MB in the beginning and 259.5 MB in the end (delta: 118.5 MB). Free memory was 88.1 MB in the beginning and 133.6 MB in the end (delta: -45.5 MB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:27,899 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:28:27,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.46 ms. Allocated memory is still 141.0 MB. Free memory was 87.9 MB in the beginning and 76.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:27,902 INFO L168 Benchmark]: Boogie Preprocessor took 134.46 ms. Allocated memory was 141.0 MB in the beginning and 199.2 MB in the end (delta: 58.2 MB). Free memory was 76.9 MB in the beginning and 176.0 MB in the end (delta: -99.0 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:27,904 INFO L168 Benchmark]: RCFGBuilder took 391.39 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 155.4 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:27,905 INFO L168 Benchmark]: Abstract Interpretation took 1439.95 ms. Allocated memory was 199.2 MB in the beginning and 259.5 MB in the end (delta: 60.3 MB). Free memory was 155.4 MB in the beginning and 133.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:27,915 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 141.0 MB. Free memory was 107.0 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 262.46 ms. Allocated memory is still 141.0 MB. Free memory was 87.9 MB in the beginning and 76.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.46 ms. Allocated memory was 141.0 MB in the beginning and 199.2 MB in the end (delta: 58.2 MB). Free memory was 76.9 MB in the beginning and 176.0 MB in the end (delta: -99.0 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 391.39 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 155.4 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1439.95 ms. Allocated memory was 199.2 MB in the beginning and 259.5 MB in the end (delta: 60.3 MB). Free memory was 155.4 MB in the beginning and 133.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 189]: 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; [L43] int cond; [L45] COND TRUE 1 [L46] cond = __VERIFIER_nondet_int() [L47] COND FALSE !(cond == 0) [L50] lk1 = 0 [L52] lk2 = 0 [L54] lk3 = 0 [L56] lk4 = 0 [L58] lk5 = 0 [L60] lk6 = 0 [L62] lk7 = 0 [L64] lk8 = 0 [L66] lk9 = 0 [L68] lk10 = 0 [L70] lk11 = 0 [L72] lk12 = 0 [L76] COND FALSE !(p1 != 0) [L80] COND TRUE p2 != 0 [L81] lk2 = 1 [L84] COND TRUE p3 != 0 [L85] lk3 = 1 [L88] COND TRUE p4 != 0 [L89] lk4 = 1 [L92] COND TRUE p5 != 0 [L93] lk5 = 1 [L96] COND TRUE p6 != 0 [L97] lk6 = 1 [L100] COND TRUE p7 != 0 [L101] lk7 = 1 [L104] COND FALSE !(p8 != 0) [L108] COND TRUE p9 != 0 [L109] lk9 = 1 [L112] COND TRUE p10 != 0 [L113] lk10 = 1 [L116] COND TRUE p11 != 0 [L117] lk11 = 1 [L120] COND TRUE p12 != 0 [L121] lk12 = 1 [L126] COND TRUE p1 != 0 [L127] COND TRUE lk1 != 1 [L189] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...