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_14-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:37:41,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:37:41,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:37:41,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-03 12:37:41,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:37:41,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:37:41,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:37:41,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:37:41,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:37:41,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:37:41,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:37:41,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:37:41,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:37:41,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:37:41,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:37:41,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:37:41,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:37:41,868 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 [2019-10-03 12:37:41,882 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:37:41,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:37:41,883 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:37:41,883 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:37:41,884 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:37:41,884 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:37:41,884 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:37:41,885 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:37:41,885 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:37:41,885 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:37:41,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:37:41,886 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:37:41,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:37:41,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:37:41,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:37:41,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:37:41,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:37:41,887 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:37:41,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:37:41,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:37:41,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:37:41,888 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:37:41,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:37:41,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:37:41,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:37:41,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:37:41,889 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:37:41,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:37:41,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:37:41,890 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:37:41,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:37:41,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:37:41,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:37:41,945 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:37:41,945 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:37:41,946 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_14-2.c [2019-10-03 12:37:42,007 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50dd6ee4a/bdfab3c70fd343edb2c978a090dca919/FLAGa0f2bdeee [2019-10-03 12:37:42,517 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:37:42,517 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c [2019-10-03 12:37:42,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50dd6ee4a/bdfab3c70fd343edb2c978a090dca919/FLAGa0f2bdeee [2019-10-03 12:37:42,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50dd6ee4a/bdfab3c70fd343edb2c978a090dca919 [2019-10-03 12:37:42,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:37:42,909 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:37:42,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:37:42,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:37:42,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:37:42,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:37:42" (1/1) ... [2019-10-03 12:37:42,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66996c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:42, skipping insertion in model container [2019-10-03 12:37:42,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:37:42" (1/1) ... [2019-10-03 12:37:42,926 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:37:42,966 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:37:43,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:37:43,166 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:37:43,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:37:43,330 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:37:43,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:43 WrapperNode [2019-10-03 12:37:43,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:37:43,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:37:43,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:37:43,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:37:43,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:43" (1/1) ... [2019-10-03 12:37:43,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:43" (1/1) ... [2019-10-03 12:37:43,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:43" (1/1) ... [2019-10-03 12:37:43,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:43" (1/1) ... [2019-10-03 12:37:43,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:43" (1/1) ... [2019-10-03 12:37:43,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:43" (1/1) ... [2019-10-03 12:37:43,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:43" (1/1) ... [2019-10-03 12:37:43,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:37:43,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:37:43,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:37:43,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:37:43,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:37:43" (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 [2019-10-03 12:37:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:37:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:37:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:37:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:37:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:37:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:37:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:37:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:37:43,876 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:37:43,876 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 12:37:43,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:37:43 BoogieIcfgContainer [2019-10-03 12:37:43,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:37:43,879 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:37:43,879 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:37:43,879 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:37:43,880 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:37:43" (1/1) ... [2019-10-03 12:37:43,915 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:37:45,931 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:37:45,966 INFO L272 AbstractInterpreter]: Visited 100 different actions 2568 times. Merged at 69 different actions 1264 times. Never widened. Performed 6574 root evaluator evaluations with a maximum evaluation depth of 4. Performed 6574 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 1009 fixpoints after 62 different actions. Largest state had 45 variables. [2019-10-03 12:37:45,966 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:37:45,970 INFO L168 Benchmark]: Toolchain (without parser) took 3058.87 ms. Allocated memory was 141.0 MB in the beginning and 257.9 MB in the end (delta: 116.9 MB). Free memory was 88.1 MB in the beginning and 141.5 MB in the end (delta: -53.4 MB). Peak memory consumption was 63.6 MB. Max. memory is 7.1 GB. [2019-10-03 12:37:45,971 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 12:37:45,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.78 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 87.7 MB in the beginning and 177.4 MB in the end (delta: -89.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-10-03 12:37:45,974 INFO L168 Benchmark]: Boogie Preprocessor took 38.23 ms. Allocated memory is still 200.3 MB. Free memory was 177.4 MB in the beginning and 174.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-10-03 12:37:45,976 INFO L168 Benchmark]: RCFGBuilder took 508.15 ms. Allocated memory is still 200.3 MB. Free memory was 174.9 MB in the beginning and 152.1 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-10-03 12:37:45,978 INFO L168 Benchmark]: Abstract Interpretation took 2087.50 ms. Allocated memory was 200.3 MB in the beginning and 257.9 MB in the end (delta: 57.7 MB). Free memory was 152.1 MB in the beginning and 141.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 68.3 MB. Max. memory is 7.1 GB. [2019-10-03 12:37:45,989 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 420.78 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 87.7 MB in the beginning and 177.4 MB in the end (delta: -89.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.23 ms. Allocated memory is still 200.3 MB. Free memory was 177.4 MB in the beginning and 174.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 508.15 ms. Allocated memory is still 200.3 MB. Free memory was 174.9 MB in the beginning and 152.1 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2087.50 ms. Allocated memory was 200.3 MB in the beginning and 257.9 MB in the end (delta: 57.7 MB). Free memory was 152.1 MB in the beginning and 141.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 68.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 217]: 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; [L49] int cond; [L51] COND TRUE 1 [L52] cond = __VERIFIER_nondet_int() [L53] COND FALSE !(cond == 0) [L56] lk1 = 0 [L58] lk2 = 0 [L60] lk3 = 0 [L62] lk4 = 0 [L64] lk5 = 0 [L66] lk6 = 0 [L68] lk7 = 0 [L70] lk8 = 0 [L72] lk9 = 0 [L74] lk10 = 0 [L76] lk11 = 0 [L78] lk12 = 0 [L80] lk13 = 0 [L82] lk14 = 0 [L86] COND TRUE p1 != 0 [L87] lk1 = 1 [L90] COND TRUE p2 != 0 [L91] lk2 = 1 [L94] COND TRUE p3 != 0 [L95] lk3 = 1 [L98] COND TRUE p4 != 0 [L99] lk4 = 1 [L102] COND TRUE p5 != 0 [L103] lk5 = 1 [L106] COND TRUE p6 != 0 [L107] lk6 = 1 [L110] COND TRUE p7 != 0 [L111] lk7 = 1 [L114] COND FALSE !(p8 != 0) [L118] COND TRUE p9 != 0 [L119] lk9 = 1 [L122] COND TRUE p10 != 0 [L123] lk10 = 1 [L126] COND TRUE p11 != 0 [L127] lk11 = 1 [L130] COND TRUE p12 != 0 [L131] lk12 = 1 [L134] COND TRUE p13 != 0 [L135] lk13 = 1 [L138] COND TRUE p14 != 0 [L139] lk14 = 1 [L144] COND FALSE !(p1 != 0) [L149] COND FALSE !(p2 != 0) [L217] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...