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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/locks/test_locks_7.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:43:46,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:43:46,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:43:46,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-15 04:43:46,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:43:46,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:43:46,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:43:46,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:43:46,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:43:46,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:43:46,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:43:46,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:43:46,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:43:46,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:43:46,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:43:46,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:43:46,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:43:46,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:43:46,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:43:46,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:43:46,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 04:43:46,937 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:43:46,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:43:46,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:43:46,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:43:46,940 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:43:46,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:43:46,941 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:43:46,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:43:46,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:43:46,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:43:46,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:43:46,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:43:46,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:43:46,943 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:43:46,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:43:46,944 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:43:46,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:43:46,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:43:46,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:43:46,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:43:46,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:43:46,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:43:46,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:43:46,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:43:46,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:43:46,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:43:46,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:43:46,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:43:46,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:43:47,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:43:47,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:43:47,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:43:47,258 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:43:47,259 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:43:47,260 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_7.c [2019-10-15 04:43:47,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821b5cec9/9b711dbf97c54ca480cf439d8e1e1234/FLAG6f25fe929 [2019-10-15 04:43:47,850 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:43:47,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_7.c [2019-10-15 04:43:47,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821b5cec9/9b711dbf97c54ca480cf439d8e1e1234/FLAG6f25fe929 [2019-10-15 04:43:48,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821b5cec9/9b711dbf97c54ca480cf439d8e1e1234 [2019-10-15 04:43:48,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:43:48,279 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:43:48,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:43:48,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:43:48,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:43:48,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:43:48" (1/1) ... [2019-10-15 04:43:48,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b5e6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48, skipping insertion in model container [2019-10-15 04:43:48,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:43:48" (1/1) ... [2019-10-15 04:43:48,296 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:43:48,316 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:43:48,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:43:48,505 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:43:48,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:43:48,628 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:43:48,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48 WrapperNode [2019-10-15 04:43:48,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:43:48,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:43:48,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:43:48,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:43:48,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48" (1/1) ... [2019-10-15 04:43:48,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48" (1/1) ... [2019-10-15 04:43:48,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48" (1/1) ... [2019-10-15 04:43:48,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48" (1/1) ... [2019-10-15 04:43:48,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48" (1/1) ... [2019-10-15 04:43:48,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48" (1/1) ... [2019-10-15 04:43:48,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48" (1/1) ... [2019-10-15 04:43:48,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:43:48,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:43:48,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:43:48,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:43:48,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:48" (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 [2019-10-15 04:43:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:43:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:43:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:43:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:43:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:43:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:43:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:43:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:43:49,048 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:43:49,048 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:43:49,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:43:49 BoogieIcfgContainer [2019-10-15 04:43:49,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:43:49,057 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:43:49,057 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:43:49,057 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:43:49,058 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:43:49" (1/1) ... [2019-10-15 04:43:49,088 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:43:49,849 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:43:49,875 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. [2019-10-15 04:43:49,875 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:43:49,879 INFO L168 Benchmark]: Toolchain (without parser) took 1600.23 ms. Allocated memory was 138.9 MB in the beginning and 234.9 MB in the end (delta: 95.9 MB). Free memory was 104.1 MB in the beginning and 185.9 MB in the end (delta: -81.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:49,881 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-15 04:43:49,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.60 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 103.9 MB in the beginning and 181.8 MB in the end (delta: -77.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:49,884 INFO L168 Benchmark]: Boogie Preprocessor took 32.02 ms. Allocated memory is still 202.4 MB. Free memory was 181.8 MB in the beginning and 179.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:49,886 INFO L168 Benchmark]: RCFGBuilder took 388.33 ms. Allocated memory is still 202.4 MB. Free memory was 179.4 MB in the beginning and 163.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:49,887 INFO L168 Benchmark]: Abstract Interpretation took 818.75 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 163.3 MB in the beginning and 185.9 MB in the end (delta: -22.6 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:49,899 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 138.9 MB. Free memory was 122.2 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 348.60 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 103.9 MB in the beginning and 181.8 MB in the end (delta: -77.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.02 ms. Allocated memory is still 202.4 MB. Free memory was 181.8 MB in the beginning and 179.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 388.33 ms. Allocated memory is still 202.4 MB. Free memory was 179.4 MB in the beginning and 163.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 818.75 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 163.3 MB in the beginning and 185.9 MB in the end (delta: -22.6 MB). Peak memory consumption was 9.9 MB. 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...