./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.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_longer-1.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 9cc98becb110d1f943367586ff959fb8675b7712 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_longer-1.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 9cc98becb110d1f943367586ff959fb8675b7712 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:26:39,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:39,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:39,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:39,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:39,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:39,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:39,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:39,757 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:39,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:39,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:39,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:39,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:39,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:39,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:39,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:39,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:39,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:39,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:39,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:39,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:39,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:39,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:39,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:39,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:39,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:39,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:39,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:39,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:39,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:39,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:39,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:39,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:39,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:39,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:39,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:39,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:39,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:39,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:39,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:39,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:39,888 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:26:39,930 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:39,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:39,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:39,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:39,937 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:39,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:39,938 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:39,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:26:39,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:39,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:39,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:39,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:39,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:39,944 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:39,944 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:39,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:39,946 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:39,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:39,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:39,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:39,948 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:39,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:39,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:39,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:39,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:39,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:39,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:26:39,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:26:39,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:39,954 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 -> 9cc98becb110d1f943367586ff959fb8675b7712 [2019-11-24 21:26:40,546 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:40,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:40,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:40,584 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:40,585 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:40,588 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2019-11-24 21:26:40,746 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4ddc44ad/493fa161a2d643a7936bdad86d5b8701/FLAG4e6a03486 [2019-11-24 21:26:41,943 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:41,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2019-11-24 21:26:41,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4ddc44ad/493fa161a2d643a7936bdad86d5b8701/FLAG4e6a03486 [2019-11-24 21:26:42,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4ddc44ad/493fa161a2d643a7936bdad86d5b8701 [2019-11-24 21:26:42,026 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:42,028 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:42,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:42,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:42,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:42,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:42" (1/1) ... [2019-11-24 21:26:42,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7250b538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:42, skipping insertion in model container [2019-11-24 21:26:42,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:42" (1/1) ... [2019-11-24 21:26:42,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:42,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:43,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:43,109 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:43,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:43,446 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:43,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:43 WrapperNode [2019-11-24 21:26:43,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:43,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:43,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:43,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:43,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:43" (1/1) ... [2019-11-24 21:26:43,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:43" (1/1) ... [2019-11-24 21:26:43,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:43,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:43,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:43,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:43,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:43" (1/1) ... [2019-11-24 21:26:43,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:43" (1/1) ... [2019-11-24 21:26:43,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:43" (1/1) ... [2019-11-24 21:26:43,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:43" (1/1) ... [2019-11-24 21:26:43,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:43" (1/1) ... [2019-11-24 21:26:43,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:43" (1/1) ... [2019-11-24 21:26:43,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:43" (1/1) ... [2019-11-24 21:26:43,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:43,688 INFO L168 Benchmark]: Toolchain (without parser) took 1653.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.8 MB in the end (delta: 643.3 kB). Peak memory consumption was 708.8 kB. Max. memory is 12.5 GB. [2019-11-24 21:26:43,700 INFO L168 Benchmark]: CDTParser took 1.03 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:43,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1411.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.8 MB in the end (delta: 643.3 kB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:43,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.09 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:43,708 INFO L168 Benchmark]: Boogie Preprocessor took 88.24 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:43,718 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1411.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.8 MB in the end (delta: 643.3 kB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 139.09 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 88.24 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 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 21:26:47,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:47,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:47,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:47,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:47,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:47,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:47,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:47,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:47,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:47,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:47,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:47,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:47,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:47,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:47,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:47,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:47,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:47,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:47,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:47,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:47,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:47,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:47,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:47,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:47,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:47,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:47,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:47,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:47,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:47,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:47,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:47,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:47,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:47,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:47,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:47,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:47,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:47,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:47,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:47,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:47,803 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:26:47,854 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:47,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:47,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:47,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:47,868 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:47,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:47,869 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:47,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:47,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:47,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:47,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:47,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:47,871 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:47,871 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:26:47,874 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:26:47,875 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:47,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:47,875 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:47,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:47,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:47,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:47,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:47,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:47,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:47,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:47,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:47,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:47,882 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:26:47,884 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:26:47,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:47,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:26:47,887 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 -> 9cc98becb110d1f943367586ff959fb8675b7712 [2019-11-24 21:26:48,420 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:48,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:48,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:48,480 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:48,481 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:48,486 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2019-11-24 21:26:48,652 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b7762fb1/630b75d76cf747efb675030fc44f2424/FLAG3910b1534 [2019-11-24 21:26:49,883 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:49,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2019-11-24 21:26:49,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b7762fb1/630b75d76cf747efb675030fc44f2424/FLAG3910b1534 [2019-11-24 21:26:49,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b7762fb1/630b75d76cf747efb675030fc44f2424 [2019-11-24 21:26:49,967 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:49,972 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:49,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:49,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:49,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:49,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:49" (1/1) ... [2019-11-24 21:26:49,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ddd501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:49, skipping insertion in model container [2019-11-24 21:26:49,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:49" (1/1) ... [2019-11-24 21:26:50,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:50,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:51,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:51,168 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:51,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:51,522 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:51,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:51 WrapperNode [2019-11-24 21:26:51,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:51,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:51,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:51,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:51,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:51" (1/1) ... [2019-11-24 21:26:51,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:51" (1/1) ... [2019-11-24 21:26:51,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:51,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:51,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:51,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:51,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:51" (1/1) ... [2019-11-24 21:26:51,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:51" (1/1) ... [2019-11-24 21:26:51,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:51" (1/1) ... [2019-11-24 21:26:51,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:51" (1/1) ... [2019-11-24 21:26:51,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:51" (1/1) ... [2019-11-24 21:26:51,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:51" (1/1) ... [2019-11-24 21:26:51,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:51" (1/1) ... [2019-11-24 21:26:51,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:51,816 INFO L168 Benchmark]: Toolchain (without parser) took 1843.19 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 21:26:51,821 INFO L168 Benchmark]: CDTParser took 0.42 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 21:26:51,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1548.98 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: 670.2 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:51,830 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.07 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 21:26:51,831 INFO L168 Benchmark]: Boogie Preprocessor took 134.12 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 21:26:51,839 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 1548.98 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: 670.2 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 149.07 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 134.12 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...