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_10.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:43:42,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:43:42,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:43:42,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-15 04:43:42,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:43:42,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:43:42,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:43:42,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:43:42,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:43:42,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:43:42,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:43:42,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:43:42,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:43:42,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:43:42,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:43:42,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:43:42,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:43:42,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:43:42,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:43:42,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:43:42,298 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 04:43:42,312 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:43:42,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:43:42,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:43:42,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:43:42,314 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:43:42,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:43:42,314 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:43:42,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:43:42,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:43:42,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:43:42,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:43:42,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:43:42,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:43:42,316 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:43:42,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:43:42,316 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:43:42,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:43:42,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:43:42,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:43:42,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:43:42,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:43:42,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:43:42,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:43:42,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:43:42,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:43:42,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:43:42,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:43:42,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:43:42,319 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 04:43:42,629 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:43:42,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:43:42,647 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:43:42,649 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:43:42,649 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:43:42,650 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_10.c [2019-10-15 04:43:42,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/255756810/230a59cc8bc546bfb15c2e4752446876/FLAG3103ca5c5 [2019-10-15 04:43:43,221 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:43:43,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_10.c [2019-10-15 04:43:43,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/255756810/230a59cc8bc546bfb15c2e4752446876/FLAG3103ca5c5 [2019-10-15 04:43:43,590 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/255756810/230a59cc8bc546bfb15c2e4752446876 [2019-10-15 04:43:43,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:43:43,604 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:43:43,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:43:43,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:43:43,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:43:43,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:43:43" (1/1) ... [2019-10-15 04:43:43,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d281660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:43, skipping insertion in model container [2019-10-15 04:43:43,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:43:43" (1/1) ... [2019-10-15 04:43:43,622 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:43:43,645 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:43:43,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:43:43,871 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:43:43,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:43:43,999 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:43:43,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:43 WrapperNode [2019-10-15 04:43:43,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:43:44,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:43:44,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:43:44,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:43:44,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:43" (1/1) ... [2019-10-15 04:43:44,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:43" (1/1) ... [2019-10-15 04:43:44,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:43" (1/1) ... [2019-10-15 04:43:44,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:43" (1/1) ... [2019-10-15 04:43:44,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:43" (1/1) ... [2019-10-15 04:43:44,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:43" (1/1) ... [2019-10-15 04:43:44,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:43" (1/1) ... [2019-10-15 04:43:44,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:43:44,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:43:44,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:43:44,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:43:44,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:43" (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 04:43:44,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:43:44,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:43:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:43:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:43:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:43:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:43:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:43:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:43:44,402 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:43:44,402 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:43:44,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:43:44 BoogieIcfgContainer [2019-10-15 04:43:44,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:43:44,405 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:43:44,405 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:43:44,406 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:43:44,407 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:43:44" (1/1) ... [2019-10-15 04:43:44,448 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:43:45,608 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:43:45,637 INFO L272 AbstractInterpreter]: Visited 76 different actions 1334 times. Merged at 51 different actions 635 times. Never widened. Performed 3434 root evaluator evaluations with a maximum evaluation depth of 4. Performed 3434 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 560 fixpoints after 41 different actions. Largest state had 33 variables. [2019-10-15 04:43:45,637 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:43:45,641 INFO L168 Benchmark]: Toolchain (without parser) took 2035.18 ms. Allocated memory was 137.4 MB in the beginning and 250.1 MB in the end (delta: 112.7 MB). Free memory was 102.4 MB in the beginning and 220.9 MB in the end (delta: -118.5 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:45,643 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 04:43:45,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.53 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 102.2 MB in the beginning and 180.6 MB in the end (delta: -78.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:45,646 INFO L168 Benchmark]: Boogie Preprocessor took 32.06 ms. Allocated memory is still 201.3 MB. Free memory was 180.6 MB in the beginning and 178.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:45,648 INFO L168 Benchmark]: RCFGBuilder took 372.17 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 159.5 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:45,649 INFO L168 Benchmark]: Abstract Interpretation took 1232.11 ms. Allocated memory was 201.3 MB in the beginning and 250.1 MB in the end (delta: 48.8 MB). Free memory was 158.8 MB in the beginning and 220.9 MB in the end (delta: -62.1 MB). Peak memory consumption was 108.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:43:45,658 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 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 394.53 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 102.2 MB in the beginning and 180.6 MB in the end (delta: -78.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.06 ms. Allocated memory is still 201.3 MB. Free memory was 180.6 MB in the beginning and 178.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 372.17 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 159.5 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1232.11 ms. Allocated memory was 201.3 MB in the beginning and 250.1 MB in the end (delta: 48.8 MB). Free memory was 158.8 MB in the beginning and 220.9 MB in the end (delta: -62.1 MB). Peak memory consumption was 108.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 161]: 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; [L37] int cond; [L39] COND TRUE 1 [L40] cond = __VERIFIER_nondet_int() [L41] COND FALSE !(cond == 0) [L44] lk1 = 0 [L46] lk2 = 0 [L48] lk3 = 0 [L50] lk4 = 0 [L52] lk5 = 0 [L54] lk6 = 0 [L56] lk7 = 0 [L58] lk8 = 0 [L60] lk9 = 0 [L62] lk10 = 0 [L66] COND FALSE !(p1 != 0) [L70] COND TRUE p2 != 0 [L71] lk2 = 1 [L74] COND TRUE p3 != 0 [L75] lk3 = 1 [L78] COND TRUE p4 != 0 [L79] lk4 = 1 [L82] COND TRUE p5 != 0 [L83] lk5 = 1 [L86] COND TRUE p6 != 0 [L87] lk6 = 1 [L90] COND TRUE p7 != 0 [L91] lk7 = 1 [L94] COND FALSE !(p8 != 0) [L98] COND TRUE p9 != 0 [L99] lk9 = 1 [L102] COND TRUE p10 != 0 [L103] lk10 = 1 [L108] COND TRUE p1 != 0 [L109] COND TRUE lk1 != 1 [L161] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...