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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/locks/test_locks_8.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:48:20,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:48:20,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:48:20,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:48:20,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:48:20,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:48:20,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:48:20,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:48:20,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:48:20,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:48:20,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:48:20,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:48:20,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:48:20,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:48:20,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:48:20,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:48:20,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:48:20,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:48:20,218 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:48:20,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:48:20,219 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:48:20,219 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:48:20,220 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:48:20,220 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:48:20,220 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:48:20,220 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:48:20,221 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:48:20,221 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:48:20,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:48:20,222 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:48:20,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:48:20,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:48:20,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:48:20,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:48:20,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:48:20,223 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:48:20,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:48:20,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:48:20,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:48:20,224 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:48:20,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:48:20,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:48:20,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:48:20,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:48:20,225 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:48:20,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:48:20,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:48:20,225 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:48:20,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:48:20,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:48:20,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:48:20,271 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:48:20,272 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:48:20,272 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_8.c [2019-09-20 13:48:20,335 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b97737a/a00f142f332d41dabb78756afd29e1d9/FLAGa485693da [2019-09-20 13:48:20,802 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:48:20,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_8.c [2019-09-20 13:48:20,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b97737a/a00f142f332d41dabb78756afd29e1d9/FLAGa485693da [2019-09-20 13:48:21,219 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b97737a/a00f142f332d41dabb78756afd29e1d9 [2019-09-20 13:48:21,229 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:48:21,230 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:48:21,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:21,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:48:21,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:48:21,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:21" (1/1) ... [2019-09-20 13:48:21,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8701c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:21, skipping insertion in model container [2019-09-20 13:48:21,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:21" (1/1) ... [2019-09-20 13:48:21,246 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:48:21,269 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:48:21,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:21,490 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:48:21,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:21,637 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:48:21,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:21 WrapperNode [2019-09-20 13:48:21,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:21,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:48:21,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:48:21,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:48:21,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:21" (1/1) ... [2019-09-20 13:48:21,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:21" (1/1) ... [2019-09-20 13:48:21,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:21" (1/1) ... [2019-09-20 13:48:21,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:21" (1/1) ... [2019-09-20 13:48:21,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:21" (1/1) ... [2019-09-20 13:48:21,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:21" (1/1) ... [2019-09-20 13:48:21,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:21" (1/1) ... [2019-09-20 13:48:21,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:48:21,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:48:21,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:48:21,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:48:21,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:21" (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 [2019-09-20 13:48:21,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:48:21,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:48:21,747 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:48:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:48:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:48:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:48:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:48:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:48:22,071 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:48:22,071 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:48:22,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:22 BoogieIcfgContainer [2019-09-20 13:48:22,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:48:22,076 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:48:22,077 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:48:22,077 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:48:22,078 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:22" (1/1) ... [2019-09-20 13:48:22,105 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:48:22,922 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:48:22,945 INFO L272 AbstractInterpreter]: Visited 64 different actions 882 times. Merged at 41 different actions 416 times. Never widened. Performed 2231 root evaluator evaluations with a maximum evaluation depth of 4. Performed 2231 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 358 fixpoints after 31 different actions. Largest state had 27 variables. [2019-09-20 13:48:22,945 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:48:22,948 INFO L168 Benchmark]: Toolchain (without parser) took 1717.08 ms. Allocated memory was 131.6 MB in the beginning and 220.2 MB in the end (delta: 88.6 MB). Free memory was 86.6 MB in the beginning and 152.5 MB in the end (delta: -65.9 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:22,949 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:48:22,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.73 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 86.4 MB in the beginning and 175.2 MB in the end (delta: -88.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:22,952 INFO L168 Benchmark]: Boogie Preprocessor took 34.85 ms. Allocated memory is still 198.2 MB. Free memory was 175.2 MB in the beginning and 172.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:22,952 INFO L168 Benchmark]: RCFGBuilder took 401.84 ms. Allocated memory is still 198.2 MB. Free memory was 172.9 MB in the beginning and 155.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:22,954 INFO L168 Benchmark]: Abstract Interpretation took 869.01 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 155.6 MB in the beginning and 152.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:22,959 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 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 407.73 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 86.4 MB in the beginning and 175.2 MB in the end (delta: -88.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.85 ms. Allocated memory is still 198.2 MB. Free memory was 175.2 MB in the beginning and 172.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 401.84 ms. Allocated memory is still 198.2 MB. Free memory was 172.9 MB in the beginning and 155.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 869.01 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 155.6 MB in the beginning and 152.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 133]: 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; [L31] int cond; [L33] COND TRUE 1 [L34] cond = __VERIFIER_nondet_int() [L35] COND FALSE !(cond == 0) [L38] lk1 = 0 [L40] lk2 = 0 [L42] lk3 = 0 [L44] lk4 = 0 [L46] lk5 = 0 [L48] lk6 = 0 [L50] lk7 = 0 [L52] lk8 = 0 [L56] COND FALSE !(p1 != 0) [L60] COND TRUE p2 != 0 [L61] lk2 = 1 [L64] COND TRUE p3 != 0 [L65] lk3 = 1 [L68] COND TRUE p4 != 0 [L69] lk4 = 1 [L72] COND TRUE p5 != 0 [L73] lk5 = 1 [L76] COND TRUE p6 != 0 [L77] lk6 = 1 [L80] COND TRUE p7 != 0 [L81] lk7 = 1 [L84] COND FALSE !(p8 != 0) [L90] COND TRUE p1 != 0 [L91] COND TRUE lk1 != 1 [L133] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...