java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/locks/test_locks_8.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 09:55:12,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 09:55:12,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 09:55:12,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 09:55:12,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 09:55:12,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 09:55:12,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 09:55:12,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 09:55:12,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 09:55:12,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 09:55:12,260 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 09:55:12,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 09:55:12,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 09:55:12,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 09:55:12,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 09:55:12,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 09:55:12,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 09:55:12,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 09:55:12,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 09:55:12,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 09:55:12,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 09:55:12,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 09:55:12,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 09:55:12,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 09:55:12,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 09:55:12,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 09:55:12,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 09:55:12,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 09:55:12,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 09:55:12,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 09:55:12,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 09:55:12,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 09:55:12,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 09:55:12,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 09:55:12,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 09:55:12,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 09:55:12,292 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 [2019-08-08 09:55:12,307 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 09:55:12,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 09:55:12,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 09:55:12,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 09:55:12,309 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 09:55:12,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 09:55:12,309 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 09:55:12,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 09:55:12,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 09:55:12,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 09:55:12,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 09:55:12,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 09:55:12,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 09:55:12,311 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 09:55:12,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 09:55:12,311 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 09:55:12,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 09:55:12,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 09:55:12,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 09:55:12,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 09:55:12,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 09:55:12,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 09:55:12,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 09:55:12,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 09:55:12,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 09:55:12,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 09:55:12,313 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 09:55:12,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 09:55:12,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 09:55:12,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 09:55:12,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 09:55:12,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 09:55:12,380 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 09:55:12,380 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 09:55:12,381 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_8.c [2019-08-08 09:55:12,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f36f4a0a0/0f514771de86445b9344700cd465ee5a/FLAG1ca3a3bf5 [2019-08-08 09:55:12,909 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 09:55:12,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_8.c [2019-08-08 09:55:12,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f36f4a0a0/0f514771de86445b9344700cd465ee5a/FLAG1ca3a3bf5 [2019-08-08 09:55:13,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f36f4a0a0/0f514771de86445b9344700cd465ee5a [2019-08-08 09:55:13,350 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 09:55:13,351 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 09:55:13,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 09:55:13,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 09:55:13,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 09:55:13,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:55:13" (1/1) ... [2019-08-08 09:55:13,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613ed159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:55:13, skipping insertion in model container [2019-08-08 09:55:13,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:55:13" (1/1) ... [2019-08-08 09:55:13,367 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 09:55:13,396 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 09:55:13,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:55:13,628 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 09:55:13,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:55:13,669 INFO L192 MainTranslator]: Completed translation [2019-08-08 09:55:13,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:55:13 WrapperNode [2019-08-08 09:55:13,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 09:55:13,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 09:55:13,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 09:55:13,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 09:55:13,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:55:13" (1/1) ... [2019-08-08 09:55:13,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:55:13" (1/1) ... [2019-08-08 09:55:13,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:55:13" (1/1) ... [2019-08-08 09:55:13,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:55:13" (1/1) ... [2019-08-08 09:55:13,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:55:13" (1/1) ... [2019-08-08 09:55:13,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:55:13" (1/1) ... [2019-08-08 09:55:13,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:55:13" (1/1) ... [2019-08-08 09:55:13,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 09:55:13,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 09:55:13,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 09:55:13,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 09:55:13,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:55:13" (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 [2019-08-08 09:55:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 09:55:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 09:55:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 09:55:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 09:55:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 09:55:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 09:55:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 09:55:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 09:55:14,376 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 09:55:14,377 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 09:55:14,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:55:14 BoogieIcfgContainer [2019-08-08 09:55:14,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 09:55:14,379 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 09:55:14,379 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 09:55:14,379 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 09:55:14,380 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:55:14" (1/1) ... [2019-08-08 09:55:14,393 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 09:55:14,396 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 09:55:14,402 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 09:55:14,410 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 09:55:14,411 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 09:55:14,442 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-08 09:57:48,287 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 09:57:48,287 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 09:57:48,289 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 60070#true [2019-08-08 09:57:48,290 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 09:57:48,296 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 09:57:48,298 INFO L168 Benchmark]: Toolchain (without parser) took 154946.16 ms. Allocated memory was 132.1 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 87.7 MB in the beginning and 553.7 MB in the end (delta: -466.0 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2019-08-08 09:57:48,299 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 132.1 MB. Free memory is still 105.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 09:57:48,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.63 ms. Allocated memory is still 132.1 MB. Free memory was 87.7 MB in the beginning and 77.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-08 09:57:48,301 INFO L168 Benchmark]: Boogie Preprocessor took 149.26 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 77.0 MB in the beginning and 175.0 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-08 09:57:48,302 INFO L168 Benchmark]: RCFGBuilder took 559.01 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 158.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-08-08 09:57:48,303 INFO L168 Benchmark]: Symbolic Interpretation took 153916.88 ms. Allocated memory was 199.2 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 158.4 MB in the beginning and 553.7 MB in the end (delta: -395.2 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2019-08-08 09:57:48,307 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 133]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 132.1 MB. Free memory is still 105.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 317.63 ms. Allocated memory is still 132.1 MB. Free memory was 87.7 MB in the beginning and 77.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 149.26 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 77.0 MB in the beginning and 175.0 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 559.01 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 158.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 153916.88 ms. Allocated memory was 199.2 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 158.4 MB in the beginning and 553.7 MB in the end (delta: -395.2 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...