./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.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/36_stack_cas_p0_vs_concur.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 4b1131ff0bca8ff5f4e422a91d1baead304f1336 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/36_stack_cas_p0_vs_concur.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 4b1131ff0bca8ff5f4e422a91d1baead304f1336 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:26:42,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:42,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:42,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:42,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:42,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:42,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:42,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:42,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:42,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:42,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:42,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:42,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:42,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:42,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:42,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:42,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:42,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:42,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:42,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:42,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:42,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:42,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:42,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:42,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:42,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:42,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:42,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:42,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:42,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:42,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:42,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:42,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:43,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:43,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:43,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:43,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:43,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:43,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:43,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:43,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:43,020 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:26:43,058 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:43,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:43,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:43,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:43,068 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:43,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:43,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:43,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:26:43,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:43,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:43,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:43,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:43,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:43,075 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:43,075 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:43,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:43,075 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:43,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:43,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:43,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:43,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:43,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:43,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:43,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:43,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:43,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:43,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:26:43,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:26:43,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:43,084 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 -> 4b1131ff0bca8ff5f4e422a91d1baead304f1336 [2019-11-24 21:26:43,636 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:43,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:43,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:43,679 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:43,680 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:43,683 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2019-11-24 21:26:43,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9cb5b44c/516547f5adbd4871aeb6c5a587d4edd6/FLAGb9f7e5b08 [2019-11-24 21:26:45,026 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:45,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2019-11-24 21:26:45,066 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9cb5b44c/516547f5adbd4871aeb6c5a587d4edd6/FLAGb9f7e5b08 [2019-11-24 21:26:45,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9cb5b44c/516547f5adbd4871aeb6c5a587d4edd6 [2019-11-24 21:26:45,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:45,097 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:45,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:45,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:45,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:45,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:45" (1/1) ... [2019-11-24 21:26:45,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b88ebbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:45, skipping insertion in model container [2019-11-24 21:26:45,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:45" (1/1) ... [2019-11-24 21:26:45,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:45,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:46,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:46,150 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:46,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:46,459 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:46,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:46 WrapperNode [2019-11-24 21:26:46,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:46,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:46,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:46,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:46,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:46" (1/1) ... [2019-11-24 21:26:46,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:46" (1/1) ... [2019-11-24 21:26:46,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:46,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:46,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:46,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:46,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:46" (1/1) ... [2019-11-24 21:26:46,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:46" (1/1) ... [2019-11-24 21:26:46,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:46" (1/1) ... [2019-11-24 21:26:46,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:46" (1/1) ... [2019-11-24 21:26:46,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:46" (1/1) ... [2019-11-24 21:26:46,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:46" (1/1) ... [2019-11-24 21:26:46,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:46" (1/1) ... [2019-11-24 21:26:46,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:46,693 INFO L168 Benchmark]: Toolchain (without parser) took 1584.45 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 961.1 MB in the end (delta: 613.0 kB). Peak memory consumption was 678.6 kB. Max. memory is 12.5 GB. [2019-11-24 21:26:46,694 INFO L168 Benchmark]: CDTParser took 1.02 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 21:26:46,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1349.88 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 966.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:46,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.74 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:46,711 INFO L168 Benchmark]: Boogie Preprocessor took 87.61 ms. Allocated memory is still 1.0 GB. Free memory is still 961.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:46,719 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02 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 1349.88 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 966.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 125.74 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 87.61 ms. Allocated memory is still 1.0 GB. Free memory is still 961.1 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 21:26:50,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:50,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:50,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:50,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:50,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:50,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:50,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:50,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:50,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:50,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:50,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:50,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:50,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:50,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:50,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:50,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:50,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:50,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:50,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:50,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:50,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:50,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:50,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:50,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:50,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:50,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:50,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:50,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:50,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:50,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:50,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:50,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:50,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:50,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:50,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:50,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:50,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:50,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:50,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:50,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:50,827 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:26:50,884 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:50,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:50,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:50,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:50,895 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:50,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:50,897 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:50,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:50,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:50,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:50,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:50,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:50,898 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:50,900 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:26:50,903 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:26:50,903 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:50,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:50,904 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:50,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:50,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:50,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:50,905 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:50,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:50,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:50,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:50,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:50,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:50,908 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:26:50,910 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:26:50,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:50,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:26:50,912 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 -> 4b1131ff0bca8ff5f4e422a91d1baead304f1336 [2019-11-24 21:26:51,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:51,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:51,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:51,518 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:51,520 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:51,521 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2019-11-24 21:26:51,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d74234b34/86708776c0dd44099fa5786fc340b18a/FLAGd3dd73c2f [2019-11-24 21:26:52,904 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:52,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2019-11-24 21:26:52,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d74234b34/86708776c0dd44099fa5786fc340b18a/FLAGd3dd73c2f [2019-11-24 21:26:52,980 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d74234b34/86708776c0dd44099fa5786fc340b18a [2019-11-24 21:26:52,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:52,994 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:53,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:53,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:53,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:53,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:52" (1/1) ... [2019-11-24 21:26:53,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7694153d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:53, skipping insertion in model container [2019-11-24 21:26:53,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:52" (1/1) ... [2019-11-24 21:26:53,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:53,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:54,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:54,132 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:54,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:54,464 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:54,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:54 WrapperNode [2019-11-24 21:26:54,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:54,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:54,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:54,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:54,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:54" (1/1) ... [2019-11-24 21:26:54,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:54" (1/1) ... [2019-11-24 21:26:54,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:54,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:54,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:54,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:54,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:54" (1/1) ... [2019-11-24 21:26:54,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:54" (1/1) ... [2019-11-24 21:26:54,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:54" (1/1) ... [2019-11-24 21:26:54,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:54" (1/1) ... [2019-11-24 21:26:54,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:54" (1/1) ... [2019-11-24 21:26:54,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:54" (1/1) ... [2019-11-24 21:26:54,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:54" (1/1) ... [2019-11-24 21:26:54,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:54,770 INFO L168 Benchmark]: Toolchain (without parser) took 1767.20 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 961.1 MB in the end (delta: 637.4 kB). Peak memory consumption was 703.0 kB. Max. memory is 12.5 GB. [2019-11-24 21:26:54,773 INFO L168 Benchmark]: CDTParser took 1.08 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 21:26:54,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1468.30 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 966.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:54,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.80 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:54,781 INFO L168 Benchmark]: Boogie Preprocessor took 120.88 ms. Allocated memory is still 1.0 GB. Free memory is still 961.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:54,788 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08 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 1468.30 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 966.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 157.80 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 120.88 ms. Allocated memory is still 1.0 GB. Free memory is still 961.1 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...