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_8.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:28:28,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:28:28,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:28:28,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-16 17:28:28,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:28:28,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:28:28,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:28:28,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:28:28,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:28:28,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:28:28,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:28:28,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:28:28,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:28:28,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:28:28,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:28:28,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:28:28,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:28:28,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:28:28,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:28:28,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:28:28,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:28:28,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:28:28,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:28:28,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:28:28,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:28:28,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:28:28,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:28:28,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:28:28,129 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 17:28:28,145 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:28:28,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:28:28,145 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:28:28,146 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:28:28,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:28:28,146 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:28:28,147 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:28:28,147 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:28:28,147 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:28:28,147 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:28:28,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:28:28,148 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:28:28,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:28:28,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:28:28,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:28:28,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:28:28,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:28:28,149 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:28:28,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:28:28,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:28:28,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:28:28,150 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:28:28,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:28:28,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:28:28,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:28:28,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:28:28,151 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:28:28,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:28:28,152 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:28:28,152 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:28:28,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:28:28,209 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:28:28,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:28:28,214 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:28:28,215 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:28:28,216 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_8.c [2019-09-16 17:28:28,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d33486e5/9eff45ca570f45d187e394d523a0dbfc/FLAG5ae71df5e [2019-09-16 17:28:28,788 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:28:28,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_8.c [2019-09-16 17:28:28,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d33486e5/9eff45ca570f45d187e394d523a0dbfc/FLAG5ae71df5e [2019-09-16 17:28:29,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d33486e5/9eff45ca570f45d187e394d523a0dbfc [2019-09-16 17:28:29,137 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:28:29,139 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:28:29,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:28:29,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:28:29,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:28:29,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:28:29" (1/1) ... [2019-09-16 17:28:29,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21c9d0bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:29, skipping insertion in model container [2019-09-16 17:28:29,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:28:29" (1/1) ... [2019-09-16 17:28:29,156 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:28:29,179 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:28:29,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:28:29,396 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:28:29,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:28:29,523 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:28:29,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:29 WrapperNode [2019-09-16 17:28:29,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:28:29,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:28:29,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:28:29,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:28:29,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:29" (1/1) ... [2019-09-16 17:28:29,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:29" (1/1) ... [2019-09-16 17:28:29,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:29" (1/1) ... [2019-09-16 17:28:29,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:29" (1/1) ... [2019-09-16 17:28:29,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:29" (1/1) ... [2019-09-16 17:28:29,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:29" (1/1) ... [2019-09-16 17:28:29,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:29" (1/1) ... [2019-09-16 17:28:29,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:28:29,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:28:29,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:28:29,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:28:29,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:29" (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 17:28:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:28:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:28:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:28:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:28:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:28:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:28:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:28:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:28:29,948 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:28:29,948 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-16 17:28:29,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:28:29 BoogieIcfgContainer [2019-09-16 17:28:29,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:28:29,950 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:28:29,950 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:28:29,951 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:28:29,952 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:28:29" (1/1) ... [2019-09-16 17:28:29,998 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:28:30,890 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-16 17:28:30,919 INFO L272 AbstractInterpreter]: Visited 64 different actions 882 times. Merged at 41 different actions 416 times. Never widened. Performed 2231 root evaluator evaluations with a maximum evaluation depth of 4. Performed 2231 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 358 fixpoints after 31 different actions. Largest state had 27 variables. [2019-09-16 17:28:30,919 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:28:30,923 INFO L168 Benchmark]: Toolchain (without parser) took 1782.49 ms. Allocated memory was 141.0 MB in the beginning and 226.5 MB in the end (delta: 85.5 MB). Free memory was 88.1 MB in the beginning and 155.4 MB in the end (delta: -67.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:30,924 INFO L168 Benchmark]: CDTParser took 1.03 ms. Allocated memory is still 141.0 MB. Free memory is still 106.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:28:30,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.77 ms. Allocated memory was 141.0 MB in the beginning and 199.8 MB in the end (delta: 58.7 MB). Free memory was 88.1 MB in the beginning and 178.1 MB in the end (delta: -90.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:30,927 INFO L168 Benchmark]: Boogie Preprocessor took 48.89 ms. Allocated memory is still 199.8 MB. Free memory was 178.1 MB in the beginning and 176.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:30,930 INFO L168 Benchmark]: RCFGBuilder took 375.83 ms. Allocated memory is still 199.8 MB. Free memory was 176.0 MB in the beginning and 159.2 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:30,931 INFO L168 Benchmark]: Abstract Interpretation took 969.11 ms. Allocated memory was 199.8 MB in the beginning and 226.5 MB in the end (delta: 26.7 MB). Free memory was 158.4 MB in the beginning and 155.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:30,941 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03 ms. Allocated memory is still 141.0 MB. Free memory is still 106.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 384.77 ms. Allocated memory was 141.0 MB in the beginning and 199.8 MB in the end (delta: 58.7 MB). Free memory was 88.1 MB in the beginning and 178.1 MB in the end (delta: -90.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.89 ms. Allocated memory is still 199.8 MB. Free memory was 178.1 MB in the beginning and 176.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 375.83 ms. Allocated memory is still 199.8 MB. Free memory was 176.0 MB in the beginning and 159.2 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 969.11 ms. Allocated memory was 199.8 MB in the beginning and 226.5 MB in the end (delta: 26.7 MB). Free memory was 158.4 MB in the beginning and 155.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 133]: 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; [L31] int cond; [L33] COND TRUE 1 [L34] cond = __VERIFIER_nondet_int() [L35] COND FALSE !(cond == 0) [L38] lk1 = 0 [L40] lk2 = 0 [L42] lk3 = 0 [L44] lk4 = 0 [L46] lk5 = 0 [L48] lk6 = 0 [L50] lk7 = 0 [L52] lk8 = 0 [L56] COND FALSE !(p1 != 0) [L60] COND TRUE p2 != 0 [L61] lk2 = 1 [L64] COND TRUE p3 != 0 [L65] lk3 = 1 [L68] COND TRUE p4 != 0 [L69] lk4 = 1 [L72] COND TRUE p5 != 0 [L73] lk5 = 1 [L76] COND TRUE p6 != 0 [L77] lk6 = 1 [L80] COND TRUE p7 != 0 [L81] lk7 = 1 [L84] COND FALSE !(p8 != 0) [L90] COND TRUE p1 != 0 [L91] COND TRUE lk1 != 1 [L133] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...