./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-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_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-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 9606ace0ba404e813384772e5659d274b5d9d6a3 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-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 9606ace0ba404e813384772e5659d274b5d9d6a3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:19:04,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:19:04,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:19:05,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:19:05,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:19:05,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:19:05,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:19:05,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:19:05,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:19:05,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:19:05,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:19:05,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:19:05,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:19:05,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:19:05,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:19:05,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:19:05,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:19:05,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:19:05,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:19:05,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:19:05,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:19:05,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:19:05,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:19:05,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:19:05,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:19:05,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:19:05,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:19:05,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:19:05,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:19:05,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:19:05,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:19:05,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:19:05,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:19:05,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:19:05,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:19:05,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:19:05,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:19:05,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:19:05,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:19:05,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:19:05,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:19:05,150 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:19:05,189 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:19:05,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:19:05,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:19:05,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:19:05,198 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:19:05,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:19:05,199 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:19:05,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:19:05,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:19:05,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:19:05,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:19:05,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:19:05,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:19:05,205 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:19:05,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:19:05,206 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:19:05,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:19:05,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:19:05,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:19:05,210 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:19:05,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:19:05,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:19:05,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:19:05,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:19:05,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:19:05,212 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:19:05,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:19:05,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:19:05,215 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 -> 9606ace0ba404e813384772e5659d274b5d9d6a3 [2019-11-26 17:19:05,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:19:05,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:19:05,952 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:19:05,957 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:19:05,958 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:19:05,959 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-11-26 17:19:06,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc460e36/174044a92a4245cd937de0ab167d8088/FLAG2e1143a77 [2019-11-26 17:19:07,309 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:19:07,313 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-11-26 17:19:07,343 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc460e36/174044a92a4245cd937de0ab167d8088/FLAG2e1143a77 [2019-11-26 17:19:07,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc460e36/174044a92a4245cd937de0ab167d8088 [2019-11-26 17:19:07,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:19:07,793 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:19:07,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:19:07,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:19:07,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:19:07,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:19:07" (1/1) ... [2019-11-26 17:19:07,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcb722f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:07, skipping insertion in model container [2019-11-26 17:19:07,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:19:07" (1/1) ... [2019-11-26 17:19:07,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:19:07,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:19:09,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:19:09,220 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:19:09,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:19:09,555 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:19:09,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:09 WrapperNode [2019-11-26 17:19:09,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:19:09,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:19:09,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:19:09,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:19:09,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:09" (1/1) ... [2019-11-26 17:19:09,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:09" (1/1) ... [2019-11-26 17:19:09,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:19:09,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:19:09,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:19:09,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:19:09,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:09" (1/1) ... [2019-11-26 17:19:09,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:09" (1/1) ... [2019-11-26 17:19:09,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:09" (1/1) ... [2019-11-26 17:19:09,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:09" (1/1) ... [2019-11-26 17:19:09,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:09" (1/1) ... [2019-11-26 17:19:09,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:09" (1/1) ... [2019-11-26 17:19:09,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:09" (1/1) ... [2019-11-26 17:19:09,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:19:09,912 INFO L168 Benchmark]: Toolchain (without parser) took 2123.57 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 967.2 MB in the end (delta: 254.4 kB). Peak memory consumption was 319.9 kB. Max. memory is 12.5 GB. [2019-11-26 17:19:09,914 INFO L168 Benchmark]: CDTParser took 1.06 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 17:19:09,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1762.67 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 978.6 MB in the end (delta: -11.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:19:09,922 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.13 ms. Allocated memory is still 1.0 GB. Free memory was 978.6 MB in the beginning and 972.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:19:09,934 INFO L168 Benchmark]: Boogie Preprocessor took 169.90 ms. Allocated memory is still 1.0 GB. Free memory was 972.9 MB in the beginning and 967.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:19:09,940 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06 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 1762.67 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 978.6 MB in the end (delta: -11.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 164.13 ms. Allocated memory is still 1.0 GB. Free memory was 978.6 MB in the beginning and 972.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 169.90 ms. Allocated memory is still 1.0 GB. Free memory was 972.9 MB in the beginning and 967.2 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 17:19:13,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:19:13,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:19:13,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:19:13,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:19:14,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:19:14,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:19:14,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:19:14,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:19:14,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:19:14,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:19:14,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:19:14,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:19:14,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:19:14,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:19:14,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:19:14,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:19:14,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:19:14,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:19:14,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:19:14,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:19:14,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:19:14,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:19:14,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:19:14,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:19:14,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:19:14,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:19:14,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:19:14,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:19:14,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:19:14,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:19:14,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:19:14,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:19:14,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:19:14,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:19:14,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:19:14,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:19:14,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:19:14,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:19:14,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:19:14,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:19:14,144 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:19:14,185 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:19:14,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:19:14,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:19:14,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:19:14,195 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:19:14,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:19:14,196 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:19:14,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:19:14,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:19:14,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:19:14,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:19:14,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:19:14,200 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:19:14,200 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:19:14,203 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:19:14,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:19:14,204 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:19:14,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:19:14,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:19:14,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:19:14,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:19:14,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:19:14,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:19:14,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:19:14,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:19:14,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:19:14,210 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:19:14,210 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:19:14,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:19:14,210 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:19:14,214 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 -> 9606ace0ba404e813384772e5659d274b5d9d6a3 [2019-11-26 17:19:14,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:19:14,834 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:19:14,840 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:19:14,844 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:19:14,848 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:19:14,850 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-11-26 17:19:15,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4436120ef/69460687013c4cae8f4aabc5bd546d7f/FLAG368534f29 [2019-11-26 17:19:16,262 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:19:16,263 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-11-26 17:19:16,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4436120ef/69460687013c4cae8f4aabc5bd546d7f/FLAG368534f29 [2019-11-26 17:19:16,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4436120ef/69460687013c4cae8f4aabc5bd546d7f [2019-11-26 17:19:16,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:19:16,351 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:19:16,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:19:16,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:19:16,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:19:16,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:19:16" (1/1) ... [2019-11-26 17:19:16,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5653cb7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:16, skipping insertion in model container [2019-11-26 17:19:16,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:19:16" (1/1) ... [2019-11-26 17:19:16,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:19:16,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:19:17,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:19:17,883 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:19:18,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:19:18,443 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:19:18,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:18 WrapperNode [2019-11-26 17:19:18,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:19:18,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:19:18,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:19:18,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:19:18,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:18" (1/1) ... [2019-11-26 17:19:18,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:18" (1/1) ... [2019-11-26 17:19:18,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:19:18,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:19:18,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:19:18,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:19:18,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:18" (1/1) ... [2019-11-26 17:19:18,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:18" (1/1) ... [2019-11-26 17:19:18,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:18" (1/1) ... [2019-11-26 17:19:18,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:18" (1/1) ... [2019-11-26 17:19:18,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:18" (1/1) ... [2019-11-26 17:19:18,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:18" (1/1) ... [2019-11-26 17:19:18,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:19:18" (1/1) ... [2019-11-26 17:19:18,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:19:18,821 INFO L168 Benchmark]: Toolchain (without parser) took 2462.21 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 951.1 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:19:18,822 INFO L168 Benchmark]: CDTParser took 0.35 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 17:19:18,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2085.04 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 956.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:19:18,830 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.27 ms. Allocated memory is still 1.0 GB. Free memory is still 956.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:19:18,831 INFO L168 Benchmark]: Boogie Preprocessor took 194.80 ms. Allocated memory is still 1.0 GB. Free memory was 956.9 MB in the beginning and 951.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:19:18,843 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2085.04 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 956.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 169.27 ms. Allocated memory is still 1.0 GB. Free memory is still 956.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 194.80 ms. Allocated memory is still 1.0 GB. Free memory was 956.9 MB in the beginning and 951.1 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...