./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 509859d6 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 0.1.24-509859d [2019-11-27 16:30:13,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:30:13,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:30:13,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:30:13,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:30:13,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:30:13,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:30:13,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:30:13,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:30:13,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:30:13,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:30:13,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:30:13,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:30:13,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:30:13,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:30:13,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:30:13,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:30:13,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:30:13,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:30:13,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:30:13,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:30:13,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:30:13,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:30:13,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:30:13,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:30:13,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:30:13,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:30:13,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:30:13,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:30:13,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:30:13,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:30:13,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:30:13,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:30:13,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:30:13,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:30:13,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:30:13,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:30:13,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:30:13,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:30:13,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:30:13,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:30:13,585 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:30:13,624 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:30:13,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:30:13,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:30:13,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:30:13,632 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:30:13,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:30:13,635 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:30:13,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:30:13,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:30:13,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:30:13,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:30:13,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:30:13,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:30:13,639 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:30:13,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:30:13,641 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:30:13,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:30:13,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:30:13,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:30:13,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:30:13,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:30:13,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:30:13,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:30:13,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:30:13,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:30:13,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:30:13,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:30:13,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:30:13,650 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 [2019-11-27 16:30:14,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:30:14,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:30:14,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:30:14,227 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:30:14,231 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:30:14,232 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2019-11-27 16:30:14,374 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eb71bd9d/d6ff1efac6864a0a8ca3a91d654c5650/FLAG1a8829b61 [2019-11-27 16:30:15,599 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:30:15,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2019-11-27 16:30:15,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eb71bd9d/d6ff1efac6864a0a8ca3a91d654c5650/FLAG1a8829b61 [2019-11-27 16:30:16,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eb71bd9d/d6ff1efac6864a0a8ca3a91d654c5650 [2019-11-27 16:30:16,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:30:16,079 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:30:16,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:16,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:30:16,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:30:16,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:16" (1/1) ... [2019-11-27 16:30:16,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0a35f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:16, skipping insertion in model container [2019-11-27 16:30:16,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:16" (1/1) ... [2019-11-27 16:30:16,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:30:16,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:30:17,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:17,266 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:30:17,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:17,609 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:30:17,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:17 WrapperNode [2019-11-27 16:30:17,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:17,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:17,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:30:17,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:30:17,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:17" (1/1) ... [2019-11-27 16:30:17,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:17" (1/1) ... [2019-11-27 16:30:17,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:17,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:30:17,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:30:17,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:30:17,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:17" (1/1) ... [2019-11-27 16:30:17,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:17" (1/1) ... [2019-11-27 16:30:17,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:17" (1/1) ... [2019-11-27 16:30:17,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:17" (1/1) ... [2019-11-27 16:30:17,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:17" (1/1) ... [2019-11-27 16:30:17,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:17" (1/1) ... [2019-11-27 16:30:17,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:17" (1/1) ... [2019-11-27 16:30:17,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:30:17,860 INFO L168 Benchmark]: Toolchain (without parser) took 1761.30 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 962.4 MB in the end (delta: -710.1 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:30:17,861 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-27 16:30:17,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1525.64 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 968.1 MB in the end (delta: -6.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:30:17,868 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.93 ms. Allocated memory is still 1.0 GB. Free memory was 968.1 MB in the beginning and 962.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:30:17,871 INFO L168 Benchmark]: Boogie Preprocessor took 88.12 ms. Allocated memory is still 1.0 GB. Free memory is still 962.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:30:17,884 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 1525.64 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 968.1 MB in the end (delta: -6.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 134.93 ms. Allocated memory is still 1.0 GB. Free memory was 968.1 MB in the beginning and 962.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 88.12 ms. Allocated memory is still 1.0 GB. Free memory is still 962.4 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 0.1.24-509859d [2019-11-27 16:30:21,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:30:21,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:30:21,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:30:21,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:30:21,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:30:21,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:30:21,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:30:21,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:30:21,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:30:21,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:30:21,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:30:21,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:30:21,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:30:21,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:30:21,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:30:21,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:30:21,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:30:21,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:30:21,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:30:21,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:30:21,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:30:21,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:30:21,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:30:21,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:30:21,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:30:21,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:30:21,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:30:21,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:30:21,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:30:21,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:30:21,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:30:21,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:30:21,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:30:21,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:30:21,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:30:21,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:30:21,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:30:21,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:30:21,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:30:21,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:30:21,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:30:21,981 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:30:21,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:30:21,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:30:21,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:30:21,987 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:30:21,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:30:21,988 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:30:21,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:30:21,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:30:21,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:30:21,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:30:21,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:30:21,993 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:30:21,996 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:30:21,997 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:30:21,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:30:21,997 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:30:21,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:30:21,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:30:21,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:30:21,998 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:30:21,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:30:22,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:30:22,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:30:22,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:30:22,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:30:22,003 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:30:22,004 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:30:22,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:30:22,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:30:22,006 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 [2019-11-27 16:30:22,559 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:30:22,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:30:22,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:30:22,598 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:30:22,599 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:30:22,603 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2019-11-27 16:30:22,760 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecf01c048/4af5eb90b7804bf2835a15689644b0de/FLAG8bc87ac58 [2019-11-27 16:30:24,009 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:30:24,010 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2019-11-27 16:30:24,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecf01c048/4af5eb90b7804bf2835a15689644b0de/FLAG8bc87ac58 [2019-11-27 16:30:24,094 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecf01c048/4af5eb90b7804bf2835a15689644b0de [2019-11-27 16:30:24,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:30:24,104 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:30:24,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:24,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:30:24,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:30:24,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:24" (1/1) ... [2019-11-27 16:30:24,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9523cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:24, skipping insertion in model container [2019-11-27 16:30:24,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:24" (1/1) ... [2019-11-27 16:30:24,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:30:24,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:30:25,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:25,314 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:30:25,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:25,680 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:30:25,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:25 WrapperNode [2019-11-27 16:30:25,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:25,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:25,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:30:25,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:30:25,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:25" (1/1) ... [2019-11-27 16:30:25,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:25" (1/1) ... [2019-11-27 16:30:25,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:25,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:30:25,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:30:25,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:30:25,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:25" (1/1) ... [2019-11-27 16:30:25,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:25" (1/1) ... [2019-11-27 16:30:25,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:25" (1/1) ... [2019-11-27 16:30:25,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:25" (1/1) ... [2019-11-27 16:30:25,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:25" (1/1) ... [2019-11-27 16:30:25,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:25" (1/1) ... [2019-11-27 16:30:25,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:25" (1/1) ... [2019-11-27 16:30:25,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:30:25,940 INFO L168 Benchmark]: Toolchain (without parser) took 1828.94 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 956.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.9 MB. Max. memory is 12.5 GB. [2019-11-27 16:30:25,944 INFO L168 Benchmark]: CDTParser took 0.41 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. [2019-11-27 16:30:25,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1573.46 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 962.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:30:25,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.46 ms. Allocated memory is still 1.0 GB. Free memory is still 962.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:30:25,956 INFO L168 Benchmark]: Boogie Preprocessor took 106.96 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 956.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:30:25,963 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 1573.46 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 962.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 136.46 ms. Allocated memory is still 1.0 GB. Free memory is still 962.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 106.96 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 956.6 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...