./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-lit/qw2004_variant.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-lit/qw2004_variant.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 1953052a35542fc4370e7730ae7762f1486f1475 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-lit/qw2004_variant.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 1953052a35542fc4370e7730ae7762f1486f1475 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:39:05,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:39:05,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:39:05,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:39:05,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:39:05,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:39:06,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:39:06,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:39:06,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:39:06,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:39:06,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:39:06,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:39:06,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:39:06,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:39:06,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:39:06,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:39:06,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:39:06,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:39:06,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:39:06,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:39:06,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:39:06,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:39:06,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:39:06,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:39:06,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:39:06,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:39:06,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:39:06,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:39:06,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:39:06,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:39:06,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:39:06,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:39:06,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:39:06,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:39:06,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:39:06,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:39:06,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:39:06,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:39:06,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:39:06,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:39:06,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:39:06,141 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:39:06,181 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:39:06,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:39:06,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:39:06,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:39:06,187 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:39:06,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:39:06,188 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:39:06,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:39:06,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:39:06,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:39:06,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:39:06,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:39:06,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:39:06,195 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:39:06,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:39:06,196 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:39:06,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:39:06,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:39:06,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:39:06,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:39:06,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:39:06,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:39:06,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:39:06,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:39:06,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:39:06,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:39:06,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:39:06,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:39:06,205 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 -> 1953052a35542fc4370e7730ae7762f1486f1475 [2019-11-27 16:39:06,741 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:39:06,770 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:39:06,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:39:06,781 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:39:06,785 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:39:06,787 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-lit/qw2004_variant.i [2019-11-27 16:39:06,960 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f4ca5703/20ba658358564cadb18bf6ad95aa3508/FLAG488f4c134 [2019-11-27 16:39:08,017 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:39:08,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/qw2004_variant.i [2019-11-27 16:39:08,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f4ca5703/20ba658358564cadb18bf6ad95aa3508/FLAG488f4c134 [2019-11-27 16:39:08,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f4ca5703/20ba658358564cadb18bf6ad95aa3508 [2019-11-27 16:39:08,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:39:08,115 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:39:08,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:39:08,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:39:08,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:39:08,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:39:08" (1/1) ... [2019-11-27 16:39:08,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f1affec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:08, skipping insertion in model container [2019-11-27 16:39:08,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:39:08" (1/1) ... [2019-11-27 16:39:08,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:39:08,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:39:09,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:39:09,168 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:39:09,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:39:09,470 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:39:09,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:09 WrapperNode [2019-11-27 16:39:09,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:39:09,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:39:09,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:39:09,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:39:09,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:09" (1/1) ... [2019-11-27 16:39:09,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:09" (1/1) ... [2019-11-27 16:39:09,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:39:09,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:39:09,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:39:09,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:39:09,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:09" (1/1) ... [2019-11-27 16:39:09,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:09" (1/1) ... [2019-11-27 16:39:09,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:09" (1/1) ... [2019-11-27 16:39:09,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:09" (1/1) ... [2019-11-27 16:39:09,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:09" (1/1) ... [2019-11-27 16:39:09,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:09" (1/1) ... [2019-11-27 16:39:09,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:09" (1/1) ... [2019-11-27 16:39:09,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:39:09,691 INFO L168 Benchmark]: Toolchain (without parser) took 1572.96 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: -716.1 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:39:09,707 INFO L168 Benchmark]: CDTParser took 2.51 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 16:39:09,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1358.54 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 16:39:09,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.29 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 16:39:09,716 INFO L168 Benchmark]: Boogie Preprocessor took 81.52 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 16:39:09,726 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.51 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 1358.54 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 126.29 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 81.52 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 16:39:13,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:39:13,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:39:13,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:39:13,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:39:13,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:39:13,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:39:13,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:39:13,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:39:13,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:39:13,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:39:13,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:39:13,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:39:13,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:39:13,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:39:13,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:39:13,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:39:13,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:39:13,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:39:13,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:39:13,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:39:13,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:39:13,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:39:13,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:39:13,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:39:13,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:39:13,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:39:13,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:39:13,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:39:13,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:39:13,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:39:13,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:39:13,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:39:13,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:39:13,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:39:13,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:39:13,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:39:13,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:39:13,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:39:13,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:39:13,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:39:13,707 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:39:13,760 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:39:13,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:39:13,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:39:13,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:39:13,770 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:39:13,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:39:13,773 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:39:13,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:39:13,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:39:13,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:39:13,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:39:13,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:39:13,776 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:39:13,779 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:39:13,780 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:39:13,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:39:13,780 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:39:13,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:39:13,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:39:13,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:39:13,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:39:13,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:39:13,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:39:13,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:39:13,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:39:13,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:39:13,786 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:39:13,789 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:39:13,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:39:13,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:39:13,791 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 -> 1953052a35542fc4370e7730ae7762f1486f1475 [2019-11-27 16:39:14,322 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:39:14,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:39:14,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:39:14,381 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:39:14,381 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:39:14,383 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-lit/qw2004_variant.i [2019-11-27 16:39:14,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97c0768ad/145fe7a3e3904942a7fd1bea9d237feb/FLAGaf8f50e4f [2019-11-27 16:39:15,728 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:39:15,729 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/qw2004_variant.i [2019-11-27 16:39:15,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97c0768ad/145fe7a3e3904942a7fd1bea9d237feb/FLAGaf8f50e4f [2019-11-27 16:39:15,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97c0768ad/145fe7a3e3904942a7fd1bea9d237feb [2019-11-27 16:39:15,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:39:15,818 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:39:15,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:39:15,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:39:15,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:39:15,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:39:15" (1/1) ... [2019-11-27 16:39:15,844 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 27.11 04:39:15, skipping insertion in model container [2019-11-27 16:39:15,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:39:15" (1/1) ... [2019-11-27 16:39:15,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:39:15,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:39:16,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:39:16,989 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:39:17,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:39:17,301 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:39:17,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:17 WrapperNode [2019-11-27 16:39:17,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:39:17,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:39:17,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:39:17,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:39:17,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:17" (1/1) ... [2019-11-27 16:39:17,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:17" (1/1) ... [2019-11-27 16:39:17,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:39:17,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:39:17,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:39:17,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:39:17,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:17" (1/1) ... [2019-11-27 16:39:17,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:17" (1/1) ... [2019-11-27 16:39:17,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:17" (1/1) ... [2019-11-27 16:39:17,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:17" (1/1) ... [2019-11-27 16:39:17,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:17" (1/1) ... [2019-11-27 16:39:17,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:17" (1/1) ... [2019-11-27 16:39:17,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:17" (1/1) ... [2019-11-27 16:39:17,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:39:17,592 INFO L168 Benchmark]: Toolchain (without parser) took 1770.86 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: 698.0 kB). Peak memory consumption was 763.6 kB. Max. memory is 12.5 GB. [2019-11-27 16:39:17,595 INFO L168 Benchmark]: CDTParser took 0.35 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 16:39:17,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1484.51 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 966.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:39:17,605 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.16 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 961.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:39:17,614 INFO L168 Benchmark]: Boogie Preprocessor took 113.84 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. [2019-11-27 16:39:17,620 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 1484.51 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 966.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 158.16 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 961.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 113.84 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...