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-efa34d5 [2019-09-16 17:28:24,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:28:24,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:28:24,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-16 17:28:24,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:28:24,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:28:24,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:28:24,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:28:24,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:28:24,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:28:24,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:28:24,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:28:24,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:28:24,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:28:24,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:28:24,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:28:24,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:28:24,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:28:24,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:28:24,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:28:24,905 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 17:28:24,921 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:28:24,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:28:24,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:28:24,922 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:28:24,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:28:24,923 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:28:24,923 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:28:24,923 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:28:24,924 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:28:24,924 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:28:24,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:28:24,925 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:28:24,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:28:24,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:28:24,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:28:24,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:28:24,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:28:24,926 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:28:24,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:28:24,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:28:24,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:28:24,927 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:28:24,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:28:24,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:28:24,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:28:24,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:28:24,928 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:28:24,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:28:24,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:28:24,928 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:28:24,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:28:24,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:28:24,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:28:24,976 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:28:24,977 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:28:24,978 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_13.c [2019-09-16 17:28:25,042 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77b888f38/f2e98782cf4d4d1f93d7d88d5b74e4d9/FLAG1e7c772ab [2019-09-16 17:28:25,511 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:28:25,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_13.c [2019-09-16 17:28:25,523 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77b888f38/f2e98782cf4d4d1f93d7d88d5b74e4d9/FLAG1e7c772ab [2019-09-16 17:28:25,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77b888f38/f2e98782cf4d4d1f93d7d88d5b74e4d9 [2019-09-16 17:28:25,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:28:25,885 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:28:25,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:28:25,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:28:25,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:28:25,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:28:25" (1/1) ... [2019-09-16 17:28:25,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec8f0e 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 17:28:25,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:28:25" (1/1) ... [2019-09-16 17:28:25,905 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:28:25,943 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:28:26,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:28:26,144 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:28:26,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:28:26,285 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:28:26,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:26 WrapperNode [2019-09-16 17:28:26,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:28:26,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:28:26,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:28:26,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:28:26,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:26" (1/1) ... [2019-09-16 17:28:26,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:26" (1/1) ... [2019-09-16 17:28:26,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:26" (1/1) ... [2019-09-16 17:28:26,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:26" (1/1) ... [2019-09-16 17:28:26,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:26" (1/1) ... [2019-09-16 17:28:26,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:26" (1/1) ... [2019-09-16 17:28:26,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:26" (1/1) ... [2019-09-16 17:28:26,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:28:26,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:28:26,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:28:26,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:28:26,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:26" (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 17:28:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:28:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:28:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:28:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:28:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:28:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:28:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:28:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:28:26,772 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:28:26,772 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-16 17:28:26,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:28:26 BoogieIcfgContainer [2019-09-16 17:28:26,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:28:26,774 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:28:26,774 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:28:26,775 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:28:26,775 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 17:28:26,811 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:28:28,617 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-16 17:28:28,650 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. [2019-09-16 17:28:28,650 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:28:28,654 INFO L168 Benchmark]: Toolchain (without parser) took 2767.10 ms. Allocated memory was 138.9 MB in the beginning and 263.7 MB in the end (delta: 124.8 MB). Free memory was 86.9 MB in the beginning and 215.3 MB in the end (delta: -128.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:28:28,656 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:28:28,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.88 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 86.7 MB in the beginning and 176.0 MB in the end (delta: -89.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:28,659 INFO L168 Benchmark]: Boogie Preprocessor took 36.15 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 174.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:28,662 INFO L168 Benchmark]: RCFGBuilder took 450.66 ms. Allocated memory is still 199.2 MB. Free memory was 174.0 MB in the beginning and 152.6 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:28,663 INFO L168 Benchmark]: Abstract Interpretation took 1876.43 ms. Allocated memory was 199.2 MB in the beginning and 263.7 MB in the end (delta: 64.5 MB). Free memory was 152.0 MB in the beginning and 215.3 MB in the end (delta: -63.3 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:28,676 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 138.9 MB. Free memory was 104.9 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 399.88 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 86.7 MB in the beginning and 176.0 MB in the end (delta: -89.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.15 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 174.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 450.66 ms. Allocated memory is still 199.2 MB. Free memory was 174.0 MB in the beginning and 152.6 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1876.43 ms. Allocated memory was 199.2 MB in the beginning and 263.7 MB in the end (delta: 64.5 MB). Free memory was 152.0 MB in the beginning and 215.3 MB in the end (delta: -63.3 MB). Peak memory consumption was 1.2 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...