/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_5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:56:55,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:56:55,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:56:55,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-07 06:56:55,789 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 06:56:55,807 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:56:55,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:56:55,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:56:55,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:56:55,809 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:56:55,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:56:55,810 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:56:55,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:56:55,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:56:55,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:56:55,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:56:55,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:56:55,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:56:55,812 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:56:55,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:56:55,813 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:56:55,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:56:55,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:56:55,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:56:55,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:56:55,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:56:55,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:56:55,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:56:55,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:56:55,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:56:55,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:56:55,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:56:55,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:56:55,816 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 06:56:56,076 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:56:56,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:56:56,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:56:56,098 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:56:56,099 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:56:56,100 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_5.c [2019-11-07 06:56:56,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c90840ee/29238cde471f4407bcf1c1423683232a/FLAG8248675a9 [2019-11-07 06:56:56,665 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:56:56,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_5.c [2019-11-07 06:56:56,674 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c90840ee/29238cde471f4407bcf1c1423683232a/FLAG8248675a9 [2019-11-07 06:56:57,008 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c90840ee/29238cde471f4407bcf1c1423683232a [2019-11-07 06:56:57,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:56:57,020 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:56:57,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:56:57,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:56:57,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:56:57,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:56:57" (1/1) ... [2019-11-07 06:56:57,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@498fa5e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:57, skipping insertion in model container [2019-11-07 06:56:57,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:56:57" (1/1) ... [2019-11-07 06:56:57,037 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:56:57,059 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:56:57,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:56:57,245 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:56:57,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:56:57,275 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:56:57,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:57 WrapperNode [2019-11-07 06:56:57,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:56:57,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:56:57,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:56:57,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:56:57,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:57" (1/1) ... [2019-11-07 06:56:57,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:57" (1/1) ... [2019-11-07 06:56:57,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:57" (1/1) ... [2019-11-07 06:56:57,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:57" (1/1) ... [2019-11-07 06:56:57,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:57" (1/1) ... [2019-11-07 06:56:57,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:57" (1/1) ... [2019-11-07 06:56:57,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:57" (1/1) ... [2019-11-07 06:56:57,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:56:57,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:56:57,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:56:57,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:56:57,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:56:57" (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 06:56:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:56:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:56:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:56:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:56:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 06:56:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:56:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:56:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:56:57,724 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:56:57,725 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 06:56:57,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:56:57 BoogieIcfgContainer [2019-11-07 06:56:57,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:56:57,731 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:56:57,732 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:56:57,732 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:56:57,736 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:56:57" (1/1) ... [2019-11-07 06:56:57,766 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:56:58,232 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 06:56:58,258 INFO L272 AbstractInterpreter]: Visited 46 different actions 366 times. Merged at 26 different actions 166 times. Never widened. Performed 914 root evaluator evaluations with a maximum evaluation depth of 4. Performed 914 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 140 fixpoints after 16 different actions. Largest state had 18 variables. [2019-11-07 06:56:58,258 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:56:58,263 INFO L168 Benchmark]: Toolchain (without parser) took 1241.99 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 103.0 MB in the beginning and 119.6 MB in the end (delta: -16.6 MB). Peak memory consumption was 46.8 MB. Max. memory is 7.1 GB. [2019-11-07 06:56:58,265 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 06:56:58,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.47 ms. Allocated memory is still 138.4 MB. Free memory was 102.8 MB in the beginning and 92.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-11-07 06:56:58,269 INFO L168 Benchmark]: Boogie Preprocessor took 107.97 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 92.9 MB in the beginning and 180.1 MB in the end (delta: -87.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-11-07 06:56:58,272 INFO L168 Benchmark]: RCFGBuilder took 345.93 ms. Allocated memory is still 201.9 MB. Free memory was 180.1 MB in the beginning and 165.7 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2019-11-07 06:56:58,273 INFO L168 Benchmark]: Abstract Interpretation took 527.30 ms. Allocated memory is still 201.9 MB. Free memory was 165.7 MB in the beginning and 119.6 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. [2019-11-07 06:56:58,282 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 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 255.47 ms. Allocated memory is still 138.4 MB. Free memory was 102.8 MB in the beginning and 92.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.97 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 92.9 MB in the beginning and 180.1 MB in the end (delta: -87.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 345.93 ms. Allocated memory is still 201.9 MB. Free memory was 180.1 MB in the beginning and 165.7 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 527.30 ms. Allocated memory is still 201.9 MB. Free memory was 165.7 MB in the beginning and 119.6 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 91]: 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; [L22] int cond; [L24] COND TRUE 1 [L25] cond = __VERIFIER_nondet_int() [L26] COND FALSE !(cond == 0) [L29] lk1 = 0 [L31] lk2 = 0 [L33] lk3 = 0 [L35] lk4 = 0 [L37] lk5 = 0 [L41] COND FALSE !(p1 != 0) [L45] COND TRUE p2 != 0 [L46] lk2 = 1 [L49] COND TRUE p3 != 0 [L50] lk3 = 1 [L53] COND TRUE p4 != 0 [L54] lk4 = 1 [L57] COND TRUE p5 != 0 [L58] lk5 = 1 [L63] COND TRUE p1 != 0 [L64] COND TRUE lk1 != 1 [L91] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...