/usr/bin/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_14-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:56:52,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:56:52,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:56:52,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-07 06:56:52,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 06:56:52,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 06:56:52,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 06:56:52,142 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 [2019-11-07 06:56:52,156 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:56:52,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:56:52,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:56:52,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:56:52,158 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:56:52,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:56:52,158 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:56:52,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:56:52,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:56:52,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:56:52,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:56:52,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:56:52,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:56:52,159 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:56:52,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:56:52,160 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:56:52,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:56:52,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:56:52,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:56:52,161 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:56:52,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:56:52,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:56:52,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:56:52,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:56:52,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:56:52,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:56:52,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:56:52,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:56:52,162 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 06:56:52,444 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:56:52,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:56:52,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:56:52,472 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:56:52,473 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:56:52,474 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_14-2.c [2019-11-07 06:56:52,566 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c709fc53/c8b3528257874feab64c36fd902eacbb/FLAGddc1d1cb2 [2019-11-07 06:56:53,043 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:56:53,043 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c [2019-11-07 06:56:53,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c709fc53/c8b3528257874feab64c36fd902eacbb/FLAGddc1d1cb2 [2019-11-07 06:56:53,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c709fc53/c8b3528257874feab64c36fd902eacbb [2019-11-07 06:56:53,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:56:53,418 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:56:53,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:56:53,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:56:53,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:56:53,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:56:53" (1/1) ... [2019-11-07 06:56:53,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@389c572b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:53, skipping insertion in model container [2019-11-07 06:56:53,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:56:53" (1/1) ... [2019-11-07 06:56:53,435 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:56:53,464 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:56:53,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:56:53,661 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:56:53,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:56:53,790 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:56:53,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:53 WrapperNode [2019-11-07 06:56:53,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:56:53,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:56:53,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:56:53,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:56:53,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:53" (1/1) ... [2019-11-07 06:56:53,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:53" (1/1) ... [2019-11-07 06:56:53,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:53" (1/1) ... [2019-11-07 06:56:53,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:53" (1/1) ... [2019-11-07 06:56:53,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:53" (1/1) ... [2019-11-07 06:56:53,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:53" (1/1) ... [2019-11-07 06:56:53,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:53" (1/1) ... [2019-11-07 06:56:53,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:56:53,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:56:53,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:56:53,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:56:53,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:53" (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 [2019-11-07 06:56:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:56:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:56:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:56:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:56:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 06:56:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:56:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:56:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:56:54,280 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:56:54,280 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 06:56:54,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:56:54 BoogieIcfgContainer [2019-11-07 06:56:54,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:56:54,283 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:56:54,283 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:56:54,283 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:56:54,284 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:56:54" (1/1) ... [2019-11-07 06:56:54,313 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:56:56,196 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 06:56:56,225 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. [2019-11-07 06:56:56,226 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:56:56,229 INFO L168 Benchmark]: Toolchain (without parser) took 2809.42 ms. Allocated memory was 136.8 MB in the beginning and 251.7 MB in the end (delta: 114.8 MB). Free memory was 101.3 MB in the beginning and 125.7 MB in the end (delta: -24.4 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB. [2019-11-07 06:56:56,231 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-07 06:56:56,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.57 ms. Allocated memory was 136.8 MB in the beginning and 199.2 MB in the end (delta: 62.4 MB). Free memory was 101.1 MB in the beginning and 177.3 MB in the end (delta: -76.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-11-07 06:56:56,233 INFO L168 Benchmark]: Boogie Preprocessor took 37.71 ms. Allocated memory is still 199.2 MB. Free memory was 177.3 MB in the beginning and 175.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-11-07 06:56:56,235 INFO L168 Benchmark]: RCFGBuilder took 452.68 ms. Allocated memory is still 199.2 MB. Free memory was 175.3 MB in the beginning and 153.1 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-11-07 06:56:56,237 INFO L168 Benchmark]: Abstract Interpretation took 1943.30 ms. Allocated memory was 199.2 MB in the beginning and 251.7 MB in the end (delta: 52.4 MB). Free memory was 153.1 MB in the beginning and 125.7 MB in the end (delta: 27.4 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2019-11-07 06:56:56,247 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 371.57 ms. Allocated memory was 136.8 MB in the beginning and 199.2 MB in the end (delta: 62.4 MB). Free memory was 101.1 MB in the beginning and 177.3 MB in the end (delta: -76.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.71 ms. Allocated memory is still 199.2 MB. Free memory was 177.3 MB in the beginning and 175.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 452.68 ms. Allocated memory is still 199.2 MB. Free memory was 175.3 MB in the beginning and 153.1 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1943.30 ms. Allocated memory was 199.2 MB in the beginning and 251.7 MB in the end (delta: 52.4 MB). Free memory was 153.1 MB in the beginning and 125.7 MB in the end (delta: 27.4 MB). Peak memory consumption was 79.9 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...