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_6.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:38:35,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:38:35,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:38:35,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-14 00:38:35,519 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 [2019-10-14 00:38:35,551 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:38:35,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:38:35,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:38:35,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:38:35,557 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:38:35,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:38:35,557 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:38:35,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:38:35,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:38:35,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:38:35,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:38:35,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:38:35,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:38:35,558 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:38:35,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:38:35,559 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:38:35,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:38:35,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:38:35,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:38:35,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:38:35,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:38:35,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:38:35,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:38:35,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:38:35,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:38:35,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:38:35,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:38:35,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:38:35,563 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-14 00:38:35,857 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:38:35,872 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:38:35,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:38:35,877 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:38:35,878 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:38:35,879 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_6.c [2019-10-14 00:38:35,962 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e634e371/b7449fd8d17349009a8f642bc6ca7732/FLAGf72927db7 [2019-10-14 00:38:36,434 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:38:36,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_6.c [2019-10-14 00:38:36,443 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e634e371/b7449fd8d17349009a8f642bc6ca7732/FLAGf72927db7 [2019-10-14 00:38:36,796 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e634e371/b7449fd8d17349009a8f642bc6ca7732 [2019-10-14 00:38:36,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:38:36,806 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:38:36,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:38:36,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:38:36,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:38:36,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:36" (1/1) ... [2019-10-14 00:38:36,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39fb0a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:36, skipping insertion in model container [2019-10-14 00:38:36,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:36" (1/1) ... [2019-10-14 00:38:36,821 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:38:36,841 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:38:37,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:38:37,047 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:38:37,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:38:37,165 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:38:37,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:37 WrapperNode [2019-10-14 00:38:37,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:38:37,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:38:37,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:38:37,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:38:37,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:37" (1/1) ... [2019-10-14 00:38:37,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:37" (1/1) ... [2019-10-14 00:38:37,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:37" (1/1) ... [2019-10-14 00:38:37,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:37" (1/1) ... [2019-10-14 00:38:37,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:37" (1/1) ... [2019-10-14 00:38:37,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:37" (1/1) ... [2019-10-14 00:38:37,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:37" (1/1) ... [2019-10-14 00:38:37,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:38:37,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:38:37,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:38:37,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:38:37,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:37" (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 [2019-10-14 00:38:37,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:38:37,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:38:37,266 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:38:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:38:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:38:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:38:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:38:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:38:37,544 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:38:37,544 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 00:38:37,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:38:37 BoogieIcfgContainer [2019-10-14 00:38:37,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:38:37,547 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:38:37,547 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:38:37,548 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:38:37,549 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:38:37" (1/1) ... [2019-10-14 00:38:37,585 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:38:38,188 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-14 00:38:38,214 INFO L272 AbstractInterpreter]: Visited 52 different actions 454 times. Merged at 31 different actions 207 times. Never widened. Performed 1142 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1142 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 176 fixpoints after 22 different actions. Largest state had 21 variables. [2019-10-14 00:38:38,215 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:38:38,219 INFO L168 Benchmark]: Toolchain (without parser) took 1410.97 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 103.0 MB in the beginning and 107.0 MB in the end (delta: -4.0 MB). Peak memory consumption was 60.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:38,221 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 00:38:38,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.30 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 102.8 MB in the beginning and 182.3 MB in the end (delta: -79.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:38,224 INFO L168 Benchmark]: Boogie Preprocessor took 34.29 ms. Allocated memory is still 202.9 MB. Free memory was 182.3 MB in the beginning and 180.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:38,226 INFO L168 Benchmark]: RCFGBuilder took 345.60 ms. Allocated memory is still 202.9 MB. Free memory was 180.0 MB in the beginning and 164.6 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:38,227 INFO L168 Benchmark]: Abstract Interpretation took 667.77 ms. Allocated memory is still 202.9 MB. Free memory was 164.6 MB in the beginning and 107.0 MB in the end (delta: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:38,238 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 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 359.30 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 102.8 MB in the beginning and 182.3 MB in the end (delta: -79.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.29 ms. Allocated memory is still 202.9 MB. Free memory was 182.3 MB in the beginning and 180.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 345.60 ms. Allocated memory is still 202.9 MB. Free memory was 180.0 MB in the beginning and 164.6 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 667.77 ms. Allocated memory is still 202.9 MB. Free memory was 164.6 MB in the beginning and 107.0 MB in the end (delta: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 105]: 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; [L25] int cond; [L27] COND TRUE 1 [L28] cond = __VERIFIER_nondet_int() [L29] COND FALSE !(cond == 0) [L32] lk1 = 0 [L34] lk2 = 0 [L36] lk3 = 0 [L38] lk4 = 0 [L40] lk5 = 0 [L42] lk6 = 0 [L46] COND FALSE !(p1 != 0) [L50] COND TRUE p2 != 0 [L51] lk2 = 1 [L54] COND TRUE p3 != 0 [L55] lk3 = 1 [L58] COND TRUE p4 != 0 [L59] lk4 = 1 [L62] COND TRUE p5 != 0 [L63] lk5 = 1 [L66] COND TRUE p6 != 0 [L67] lk6 = 1 [L72] COND TRUE p1 != 0 [L73] COND TRUE lk1 != 1 [L105] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...