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_7.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:28:20,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:28:20,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:28:20,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:28:20,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:28:20,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:28:20,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:28:20,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:28:20,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:28:20,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:28:20,269 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:28:20,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:28:20,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:28:20,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:28:20,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:28:20,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:28:20,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:28:20,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:28:20,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:28:20,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:28:20,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:28:20,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:28:20,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:28:20,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:28:20,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:28:20,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:28:20,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:28:20,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:28:20,307 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 [2019-08-17 21:28:20,331 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:28:20,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:28:20,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:28:20,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:28:20,333 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:28:20,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:28:20,333 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:28:20,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:28:20,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:28:20,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:28:20,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:28:20,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:28:20,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:28:20,335 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:28:20,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:28:20,335 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:28:20,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:28:20,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:28:20,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:28:20,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:28:20,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:28:20,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:28:20,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:28:20,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:28:20,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:28:20,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:28:20,338 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:28:20,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:28:20,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:28:20,365 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:28:20,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:28:20,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:28:20,382 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:28:20,382 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:28:20,383 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_7.c [2019-08-17 21:28:20,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1ceddcbd/6b610776f58e4e9a812fc91bde757c51/FLAG3e95442bd [2019-08-17 21:28:20,919 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:28:20,921 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_7.c [2019-08-17 21:28:20,930 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1ceddcbd/6b610776f58e4e9a812fc91bde757c51/FLAG3e95442bd [2019-08-17 21:28:21,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1ceddcbd/6b610776f58e4e9a812fc91bde757c51 [2019-08-17 21:28:21,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:28:21,301 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:28:21,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:28:21,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:28:21,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:28:21,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:28:21" (1/1) ... [2019-08-17 21:28:21,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb06d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:28:21, skipping insertion in model container [2019-08-17 21:28:21,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:28:21" (1/1) ... [2019-08-17 21:28:21,319 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:28:21,341 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:28:21,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:28:21,588 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:28:21,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:28:21,751 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:28:21,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:28:21 WrapperNode [2019-08-17 21:28:21,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:28:21,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:28:21,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:28:21,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:28:21,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:28:21" (1/1) ... [2019-08-17 21:28:21,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:28:21" (1/1) ... [2019-08-17 21:28:21,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:28:21" (1/1) ... [2019-08-17 21:28:21,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:28:21" (1/1) ... [2019-08-17 21:28:21,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:28:21" (1/1) ... [2019-08-17 21:28:21,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:28:21" (1/1) ... [2019-08-17 21:28:21,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:28:21" (1/1) ... [2019-08-17 21:28:21,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:28:21,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:28:21,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:28:21,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:28:21,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:28:21" (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 [2019-08-17 21:28:21,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:28:21,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:28:21,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:28:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:28:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:28:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:28:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:28:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:28:22,102 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:28:22,102 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-17 21:28:22,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:28:22 BoogieIcfgContainer [2019-08-17 21:28:22,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:28:22,104 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:28:22,105 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:28:22,105 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:28:22,106 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:28:22" (1/1) ... [2019-08-17 21:28:22,125 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:28:22,134 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:28:22,153 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:28:22,175 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:28:22,177 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:28:22,229 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-17 21:28:24,571 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:28:24,572 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:28:24,576 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 400#true [2019-08-17 21:28:24,589 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:28:24,589 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:28:24,594 INFO L168 Benchmark]: Toolchain (without parser) took 3289.92 ms. Allocated memory was 137.4 MB in the beginning and 351.8 MB in the end (delta: 214.4 MB). Free memory was 84.6 MB in the beginning and 130.5 MB in the end (delta: -45.9 MB). Peak memory consumption was 170.6 MB. Max. memory is 7.1 GB. [2019-08-17 21:28:24,598 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:28:24,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.01 ms. Allocated memory was 137.4 MB in the beginning and 197.1 MB in the end (delta: 59.8 MB). Free memory was 84.4 MB in the beginning and 175.6 MB in the end (delta: -91.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-08-17 21:28:24,602 INFO L168 Benchmark]: Boogie Preprocessor took 57.78 ms. Allocated memory is still 197.1 MB. Free memory was 175.6 MB in the beginning and 173.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-17 21:28:24,604 INFO L168 Benchmark]: RCFGBuilder took 293.24 ms. Allocated memory is still 197.1 MB. Free memory was 173.3 MB in the beginning and 157.1 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-17 21:28:24,606 INFO L168 Benchmark]: Symbolic Interpretation took 2485.16 ms. Allocated memory was 197.1 MB in the beginning and 351.8 MB in the end (delta: 154.7 MB). Free memory was 157.1 MB in the beginning and 130.5 MB in the end (delta: 26.6 MB). Peak memory consumption was 183.4 MB. Max. memory is 7.1 GB. [2019-08-17 21:28:24,620 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 119]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 400#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 450.01 ms. Allocated memory was 137.4 MB in the beginning and 197.1 MB in the end (delta: 59.8 MB). Free memory was 84.4 MB in the beginning and 175.6 MB in the end (delta: -91.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.78 ms. Allocated memory is still 197.1 MB. Free memory was 175.6 MB in the beginning and 173.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 293.24 ms. Allocated memory is still 197.1 MB. Free memory was 173.3 MB in the beginning and 157.1 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2485.16 ms. Allocated memory was 197.1 MB in the beginning and 351.8 MB in the end (delta: 154.7 MB). Free memory was 157.1 MB in the beginning and 130.5 MB in the end (delta: 26.6 MB). Peak memory consumption was 183.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...