./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/seq-mthreaded-reduced/pals_floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -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 216d560983aff028aed6274f7a1b6f35f46d2547 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/seq-mthreaded-reduced/pals_floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -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 216d560983aff028aed6274f7a1b6f35f46d2547 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:16:41,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:16:41,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:16:41,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:16:41,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:16:41,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:16:41,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:16:41,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:16:41,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:16:41,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:16:41,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:16:41,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:16:41,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:16:41,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:16:41,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:16:41,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:16:41,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:16:41,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:16:41,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:16:41,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:16:41,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:16:41,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:16:41,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:16:41,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:16:41,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:16:41,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:16:41,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:16:41,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:16:41,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:16:41,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:16:41,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:16:41,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:16:41,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:16:41,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:16:41,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:16:41,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:16:41,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:16:41,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:16:41,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:16:41,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:16:41,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:16:41,513 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:16:41,554 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:16:41,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:16:41,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:16:41,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:16:41,561 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:16:41,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:16:41,563 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:16:41,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:16:41,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:16:41,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:16:41,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:16:41,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:16:41,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:16:41,568 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:16:41,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:16:41,569 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:16:41,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:16:41,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:16:41,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:16:41,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:16:41,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:16:41,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:16:41,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:16:41,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:16:41,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:16:41,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:16:41,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:16:41,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:16:41,578 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 -> 216d560983aff028aed6274f7a1b6f35f46d2547 [2019-11-26 17:16:42,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:16:42,209 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:16:42,219 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:16:42,220 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:16:42,224 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:16:42,225 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-11-26 17:16:42,378 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bebfe5f2c/a453c8f985c54564bf7ed59c52cf71c5/FLAG27bf65f5b [2019-11-26 17:16:43,647 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:16:43,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-11-26 17:16:43,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bebfe5f2c/a453c8f985c54564bf7ed59c52cf71c5/FLAG27bf65f5b [2019-11-26 17:16:43,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bebfe5f2c/a453c8f985c54564bf7ed59c52cf71c5 [2019-11-26 17:16:43,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:16:43,735 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:16:43,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:16:43,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:16:43,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:16:43,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:16:43" (1/1) ... [2019-11-26 17:16:43,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b1bd386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:43, skipping insertion in model container [2019-11-26 17:16:43,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:16:43" (1/1) ... [2019-11-26 17:16:43,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:16:43,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:16:44,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:16:44,995 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:16:45,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:16:45,401 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:16:45,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:45 WrapperNode [2019-11-26 17:16:45,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:16:45,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:16:45,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:16:45,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:16:45,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:45" (1/1) ... [2019-11-26 17:16:45,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:45" (1/1) ... [2019-11-26 17:16:45,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:16:45,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:16:45,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:16:45,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:16:45,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:45" (1/1) ... [2019-11-26 17:16:45,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:45" (1/1) ... [2019-11-26 17:16:45,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:45" (1/1) ... [2019-11-26 17:16:45,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:45" (1/1) ... [2019-11-26 17:16:45,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:45" (1/1) ... [2019-11-26 17:16:45,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:45" (1/1) ... [2019-11-26 17:16:45,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:45" (1/1) ... [2019-11-26 17:16:45,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:16:45,773 INFO L168 Benchmark]: Toolchain (without parser) took 2031.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.5 MB in the end (delta: 947.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:45,779 INFO L168 Benchmark]: CDTParser took 0.30 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. [2019-11-26 17:16:45,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1663.39 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 977.9 MB in the end (delta: -10.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:45,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.87 ms. Allocated memory is still 1.0 GB. Free memory was 977.9 MB in the beginning and 972.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:45,791 INFO L168 Benchmark]: Boogie Preprocessor took 176.52 ms. Allocated memory is still 1.0 GB. Free memory was 972.2 MB in the beginning and 966.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:45,802 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 1663.39 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 977.9 MB in the end (delta: -10.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 181.87 ms. Allocated memory is still 1.0 GB. Free memory was 977.9 MB in the beginning and 972.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 176.52 ms. Allocated memory is still 1.0 GB. Free memory was 972.2 MB in the beginning and 966.5 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:16:49,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:16:49,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:16:49,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:16:49,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:16:49,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:16:49,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:16:49,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:16:49,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:16:49,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:16:49,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:16:49,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:16:49,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:16:49,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:16:49,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:16:49,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:16:49,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:16:49,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:16:49,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:16:49,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:16:49,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:16:49,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:16:49,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:16:49,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:16:49,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:16:49,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:16:49,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:16:49,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:16:49,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:16:49,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:16:49,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:16:49,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:16:49,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:16:49,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:16:49,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:16:49,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:16:49,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:16:49,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:16:49,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:16:49,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:16:49,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:16:49,899 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:16:49,939 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:16:49,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:16:49,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:16:49,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:16:49,947 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:16:49,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:16:49,948 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:16:49,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:16:49,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:16:49,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:16:49,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:16:49,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:16:49,953 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:16:49,953 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:16:49,956 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:16:49,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:16:49,956 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:16:49,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:16:49,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:16:49,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:16:49,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:16:49,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:16:49,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:16:49,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:16:49,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:16:49,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:16:49,962 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:16:49,963 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:16:49,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:16:49,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:16:49,965 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 -> 216d560983aff028aed6274f7a1b6f35f46d2547 [2019-11-26 17:16:50,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:16:50,627 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:16:50,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:16:50,637 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:16:50,640 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:16:50,642 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-11-26 17:16:50,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8e008b59/f93704eada3e48b9a361129b58a181c2/FLAGb56ffd2ea [2019-11-26 17:16:52,057 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:16:52,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-11-26 17:16:52,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8e008b59/f93704eada3e48b9a361129b58a181c2/FLAGb56ffd2ea [2019-11-26 17:16:52,599 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8e008b59/f93704eada3e48b9a361129b58a181c2 [2019-11-26 17:16:52,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:16:52,608 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:16:52,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:16:52,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:16:52,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:16:52,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:16:52" (1/1) ... [2019-11-26 17:16:52,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9c6a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:52, skipping insertion in model container [2019-11-26 17:16:52,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:16:52" (1/1) ... [2019-11-26 17:16:52,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:16:52,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:16:53,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:16:53,998 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:16:54,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:16:54,479 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:16:54,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:54 WrapperNode [2019-11-26 17:16:54,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:16:54,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:16:54,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:16:54,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:16:54,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:54" (1/1) ... [2019-11-26 17:16:54,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:54" (1/1) ... [2019-11-26 17:16:54,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:16:54,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:16:54,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:16:54,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:16:54,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:54" (1/1) ... [2019-11-26 17:16:54,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:54" (1/1) ... [2019-11-26 17:16:54,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:54" (1/1) ... [2019-11-26 17:16:54,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:54" (1/1) ... [2019-11-26 17:16:54,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:54" (1/1) ... [2019-11-26 17:16:54,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:54" (1/1) ... [2019-11-26 17:16:54,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:54" (1/1) ... [2019-11-26 17:16:54,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:16:54,910 INFO L168 Benchmark]: Toolchain (without parser) took 2297.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 962.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 5.0 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:54,911 INFO L168 Benchmark]: CDTParser took 0.36 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. [2019-11-26 17:16:54,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1862.73 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 968.2 MB in the end (delta: -821.9 kB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:54,919 INFO L168 Benchmark]: Boogie Procedure Inliner took 204.27 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:16:54,922 INFO L168 Benchmark]: Boogie Preprocessor took 210.00 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:54,934 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 1862.73 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 968.2 MB in the end (delta: -821.9 kB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 204.27 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 210.00 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 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...