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_7.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:48:19,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:48:19,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:48:19,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:48:19,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:48:19,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:48:19,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:48:19,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:48:19,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:48:19,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:48:19,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:48:19,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:48:19,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:48:19,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:48:19,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:48:19,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:48:19,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:48:19,841 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 13:48:19,857 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:48:19,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:48:19,857 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:48:19,857 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:48:19,858 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:48:19,858 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:48:19,859 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:48:19,859 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:48:19,859 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:48:19,859 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:48:19,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:48:19,860 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:48:19,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:48:19,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:48:19,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:48:19,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:48:19,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:48:19,861 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:48:19,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:48:19,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:48:19,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:48:19,862 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:48:19,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:48:19,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:48:19,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:48:19,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:48:19,863 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:48:19,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:48:19,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:48:19,864 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:48:19,891 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:48:19,905 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:48:19,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:48:19,910 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:48:19,910 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:48:19,911 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_7.c [2019-09-20 13:48:19,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0234cde/1923f37c5e4449edbb19be22cdc91a73/FLAG68cbe3a0f [2019-09-20 13:48:20,412 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:48:20,413 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_7.c [2019-09-20 13:48:20,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0234cde/1923f37c5e4449edbb19be22cdc91a73/FLAG68cbe3a0f [2019-09-20 13:48:20,799 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0234cde/1923f37c5e4449edbb19be22cdc91a73 [2019-09-20 13:48:20,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:48:20,815 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:48:20,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:20,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:48:20,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:48:20,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:20" (1/1) ... [2019-09-20 13:48:20,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1113ca8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:20, skipping insertion in model container [2019-09-20 13:48:20,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:20" (1/1) ... [2019-09-20 13:48:20,833 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:48:20,860 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:48:21,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:21,096 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:48:21,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:21,147 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:48:21,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:21 WrapperNode [2019-09-20 13:48:21,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:21,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:48:21,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:48:21,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:48:21,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:21" (1/1) ... [2019-09-20 13:48:21,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:21" (1/1) ... [2019-09-20 13:48:21,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:21" (1/1) ... [2019-09-20 13:48:21,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:21" (1/1) ... [2019-09-20 13:48:21,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:21" (1/1) ... [2019-09-20 13:48:21,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:21" (1/1) ... [2019-09-20 13:48:21,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:21" (1/1) ... [2019-09-20 13:48:21,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:48:21,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:48:21,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:48:21,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:48:21,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:21" (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 13:48:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:48:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:48:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:48:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:48:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:48:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:48:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:48:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:48:21,604 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:48:21,605 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:48:21,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:21 BoogieIcfgContainer [2019-09-20 13:48:21,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:48:21,607 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:48:21,607 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:48:21,608 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:48:21,608 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:21" (1/1) ... [2019-09-20 13:48:21,653 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:48:22,338 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:48:22,367 INFO L272 AbstractInterpreter]: Visited 58 different actions 704 times. Merged at 35 different actions 327 times. Never widened. Performed 1786 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1786 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 284 fixpoints after 25 different actions. Largest state had 24 variables. [2019-09-20 13:48:22,367 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:48:22,371 INFO L168 Benchmark]: Toolchain (without parser) took 1555.31 ms. Allocated memory was 130.5 MB in the beginning and 217.1 MB in the end (delta: 86.5 MB). Free memory was 86.3 MB in the beginning and 180.7 MB in the end (delta: -94.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:48:22,372 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:48:22,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.00 ms. Allocated memory is still 130.5 MB. Free memory was 86.1 MB in the beginning and 75.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:22,375 INFO L168 Benchmark]: Boogie Preprocessor took 114.63 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 75.8 MB in the beginning and 173.0 MB in the end (delta: -97.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:22,377 INFO L168 Benchmark]: RCFGBuilder took 343.76 ms. Allocated memory is still 197.7 MB. Free memory was 173.0 MB in the beginning and 156.7 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:22,378 INFO L168 Benchmark]: Abstract Interpretation took 760.57 ms. Allocated memory was 197.7 MB in the beginning and 217.1 MB in the end (delta: 19.4 MB). Free memory was 156.7 MB in the beginning and 180.7 MB in the end (delta: -24.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:48:22,388 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 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 329.00 ms. Allocated memory is still 130.5 MB. Free memory was 86.1 MB in the beginning and 75.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.63 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 75.8 MB in the beginning and 173.0 MB in the end (delta: -97.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 343.76 ms. Allocated memory is still 197.7 MB. Free memory was 173.0 MB in the beginning and 156.7 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 760.57 ms. Allocated memory was 197.7 MB in the beginning and 217.1 MB in the end (delta: 19.4 MB). Free memory was 156.7 MB in the beginning and 180.7 MB in the end (delta: -24.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 119]: 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; [L28] int cond; [L30] COND TRUE 1 [L31] cond = __VERIFIER_nondet_int() [L32] COND FALSE !(cond == 0) [L35] lk1 = 0 [L37] lk2 = 0 [L39] lk3 = 0 [L41] lk4 = 0 [L43] lk5 = 0 [L45] lk6 = 0 [L47] lk7 = 0 [L51] COND FALSE !(p1 != 0) [L55] COND TRUE p2 != 0 [L56] lk2 = 1 [L59] COND TRUE p3 != 0 [L60] lk3 = 1 [L63] COND TRUE p4 != 0 [L64] lk4 = 1 [L67] COND TRUE p5 != 0 [L68] lk5 = 1 [L71] COND TRUE p6 != 0 [L72] lk6 = 1 [L75] COND TRUE p7 != 0 [L76] lk7 = 1 [L81] COND TRUE p1 != 0 [L82] COND TRUE lk1 != 1 [L119] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...