./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/26_stack_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c759f93f4d69ecbb8ebc5bfeed89958f4e5ea08 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c759f93f4d69ecbb8ebc5bfeed89958f4e5ea08 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:26:38,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:38,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:38,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:38,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:38,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:38,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:38,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:38,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:38,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:38,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:38,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:38,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:38,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:38,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:38,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:38,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:38,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:38,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:38,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:38,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:38,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:38,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:38,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:38,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:38,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:38,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:38,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:38,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:38,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:38,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:38,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:38,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:38,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:38,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:38,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:38,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:38,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:38,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:38,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:38,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:38,656 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:26:38,683 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:38,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:38,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:38,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:38,689 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:38,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:38,690 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:38,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:26:38,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:38,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:38,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:38,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:38,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:38,694 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:38,694 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:38,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:38,695 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:38,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:38,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:38,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:38,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:38,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:38,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:38,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:38,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:38,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:38,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:26:38,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:26:38,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:38,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c759f93f4d69ecbb8ebc5bfeed89958f4e5ea08 [2019-11-24 21:26:39,155 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:39,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:39,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:39,182 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:39,183 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:39,183 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2019-11-24 21:26:39,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cca2ae4a9/7b4634bb5649496fb054aba3b9bf280b/FLAG484348022 [2019-11-24 21:26:40,148 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:40,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2019-11-24 21:26:40,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cca2ae4a9/7b4634bb5649496fb054aba3b9bf280b/FLAG484348022 [2019-11-24 21:26:40,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cca2ae4a9/7b4634bb5649496fb054aba3b9bf280b [2019-11-24 21:26:40,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:40,335 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:40,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:40,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:40,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:40,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:40" (1/1) ... [2019-11-24 21:26:40,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcc7aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:40, skipping insertion in model container [2019-11-24 21:26:40,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:40" (1/1) ... [2019-11-24 21:26:40,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:40,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:41,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:41,154 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:41,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:41,409 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:41,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:41 WrapperNode [2019-11-24 21:26:41,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:41,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:41,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:41,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:41,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:41" (1/1) ... [2019-11-24 21:26:41,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:41" (1/1) ... [2019-11-24 21:26:41,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:41,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:41,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:41,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:41,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:41" (1/1) ... [2019-11-24 21:26:41,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:41" (1/1) ... [2019-11-24 21:26:41,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:41" (1/1) ... [2019-11-24 21:26:41,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:41" (1/1) ... [2019-11-24 21:26:41,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:41" (1/1) ... [2019-11-24 21:26:41,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:41" (1/1) ... [2019-11-24 21:26:41,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:41" (1/1) ... [2019-11-24 21:26:41,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:41,589 INFO L168 Benchmark]: Toolchain (without parser) took 1250.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 968.2 MB in the end (delta: -7.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:41,603 INFO L168 Benchmark]: CDTParser took 3.11 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:41,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1062.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 968.2 MB in the end (delta: -7.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:41,610 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.37 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:41,610 INFO L168 Benchmark]: Boogie Preprocessor took 61.36 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:41,613 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.11 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1062.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 968.2 MB in the end (delta: -7.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 109.37 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 61.36 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:26:44,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:44,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:44,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:44,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:44,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:44,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:44,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:44,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:44,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:44,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:44,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:44,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:44,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:44,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:44,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:44,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:44,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:44,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:44,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:44,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:44,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:44,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:44,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:44,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:44,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:44,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:44,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:44,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:44,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:44,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:44,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:44,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:44,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:44,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:44,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:44,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:44,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:44,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:44,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:44,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:44,384 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:26:44,411 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:44,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:44,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:44,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:44,418 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:44,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:44,418 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:44,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:44,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:44,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:44,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:44,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:44,423 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:44,423 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:26:44,424 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:26:44,424 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:44,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:44,424 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:44,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:44,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:44,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:44,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:44,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:44,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:44,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:44,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:44,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:44,428 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:26:44,428 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:26:44,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:44,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:26:44,430 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c759f93f4d69ecbb8ebc5bfeed89958f4e5ea08 [2019-11-24 21:26:44,893 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:44,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:44,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:44,921 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:44,923 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:44,924 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2019-11-24 21:26:45,027 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed213c09/bc366a148b9a4cf78c935ea4f102f000/FLAGf723b0b86 [2019-11-24 21:26:45,880 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:45,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2019-11-24 21:26:45,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed213c09/bc366a148b9a4cf78c935ea4f102f000/FLAGf723b0b86 [2019-11-24 21:26:46,045 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed213c09/bc366a148b9a4cf78c935ea4f102f000 [2019-11-24 21:26:46,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:46,053 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:46,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:46,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:46,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:46,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:46" (1/1) ... [2019-11-24 21:26:46,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f4776d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:46, skipping insertion in model container [2019-11-24 21:26:46,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:46" (1/1) ... [2019-11-24 21:26:46,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:46,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:46,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:46,876 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:46,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:47,104 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:47,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:47 WrapperNode [2019-11-24 21:26:47,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:47,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:47,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:47,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:47,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:47" (1/1) ... [2019-11-24 21:26:47,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:47" (1/1) ... [2019-11-24 21:26:47,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:47,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:47,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:47,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:47,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:47" (1/1) ... [2019-11-24 21:26:47,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:47" (1/1) ... [2019-11-24 21:26:47,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:47" (1/1) ... [2019-11-24 21:26:47,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:47" (1/1) ... [2019-11-24 21:26:47,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:47" (1/1) ... [2019-11-24 21:26:47,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:47" (1/1) ... [2019-11-24 21:26:47,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:47" (1/1) ... [2019-11-24 21:26:47,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:47,284 INFO L168 Benchmark]: Toolchain (without parser) took 1229.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 955.3 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:47,285 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:47,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1054.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 961.0 MB in the end (delta: 670.0 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:47,287 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.96 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:47,292 INFO L168 Benchmark]: Boogie Preprocessor took 78.57 ms. Allocated memory is still 1.0 GB. Free memory was 961.0 MB in the beginning and 955.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:47,309 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1054.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 961.0 MB in the end (delta: 670.0 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 90.96 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 78.57 ms. Allocated memory is still 1.0 GB. Free memory was 961.0 MB in the beginning and 955.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...