./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c --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/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.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 ded3b28572bf0312fbe5040f319fc976587bffd9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_lcr-var-start-time.3.1.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 ded3b28572bf0312fbe5040f319fc976587bffd9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:26:27,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:26:27,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:26:27,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:26:27,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:26:27,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:26:27,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:26:27,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:26:27,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:26:27,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:26:27,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:26:27,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:26:27,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:26:27,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:26:27,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:26:27,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:26:27,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:26:27,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:26:27,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:26:27,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:26:27,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:26:27,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:26:27,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:26:27,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:26:27,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:26:27,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:26:27,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:26:27,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:26:27,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:26:27,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:26:27,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:26:27,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:26:27,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:26:27,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:26:27,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:26:27,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:26:27,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:26:27,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:26:27,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:26:27,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:26:27,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:26:27,991 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:26:28,031 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:26:28,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:26:28,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:26:28,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:26:28,039 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:26:28,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:26:28,040 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:26:28,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:26:28,041 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:26:28,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:26:28,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:26:28,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:26:28,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:26:28,046 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:26:28,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:26:28,047 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:26:28,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:26:28,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:26:28,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:26:28,049 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:26:28,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:26:28,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:26:28,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:26:28,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:26:28,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:26:28,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:26:28,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:26:28,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:26:28,055 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 -> ded3b28572bf0312fbe5040f319fc976587bffd9 [2019-11-27 16:26:28,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:26:28,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:26:28,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:26:28,660 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:26:28,664 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:26:28,665 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-11-27 16:26:28,792 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95be71088/7659e6d72a4847c7b364400e301a3536/FLAGc886f6429 [2019-11-27 16:26:29,884 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:26:29,889 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-11-27 16:26:29,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95be71088/7659e6d72a4847c7b364400e301a3536/FLAGc886f6429 [2019-11-27 16:26:29,953 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95be71088/7659e6d72a4847c7b364400e301a3536 [2019-11-27 16:26:29,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:26:29,973 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:26:29,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:26:29,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:26:29,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:26:29,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:26:29" (1/1) ... [2019-11-27 16:26:29,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f374e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:29, skipping insertion in model container [2019-11-27 16:26:29,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:26:29" (1/1) ... [2019-11-27 16:26:30,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:26:30,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:26:30,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:26:30,999 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:26:31,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:26:31,315 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:26:31,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:31 WrapperNode [2019-11-27 16:26:31,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:26:31,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:26:31,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:26:31,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:26:31,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:31" (1/1) ... [2019-11-27 16:26:31,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:31" (1/1) ... [2019-11-27 16:26:31,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:26:31,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:26:31,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:26:31,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:26:31,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:31" (1/1) ... [2019-11-27 16:26:31,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:31" (1/1) ... [2019-11-27 16:26:31,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:31" (1/1) ... [2019-11-27 16:26:31,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:31" (1/1) ... [2019-11-27 16:26:31,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:31" (1/1) ... [2019-11-27 16:26:31,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:31" (1/1) ... [2019-11-27 16:26:31,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:31" (1/1) ... [2019-11-27 16:26:31,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:26:31,565 INFO L168 Benchmark]: Toolchain (without parser) took 1599.93 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 983.8 MB in the end (delta: -17.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:26:31,571 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:26:31,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1339.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 989.5 MB in the end (delta: -23.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:26:31,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.72 ms. Allocated memory is still 1.0 GB. Free memory is still 983.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:26:31,581 INFO L168 Benchmark]: Boogie Preprocessor took 103.17 ms. Allocated memory is still 1.0 GB. Free memory is still 983.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:26:31,591 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 1339.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 989.5 MB in the end (delta: -23.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 135.72 ms. Allocated memory is still 1.0 GB. Free memory is still 983.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 103.17 ms. Allocated memory is still 1.0 GB. Free memory is still 983.8 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 16:26:35,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:26:35,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:26:35,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:26:35,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:26:35,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:26:35,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:26:35,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:26:35,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:26:35,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:26:35,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:26:35,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:26:35,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:26:35,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:26:35,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:26:35,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:26:35,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:26:35,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:26:35,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:26:35,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:26:35,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:26:35,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:26:35,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:26:35,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:26:35,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:26:35,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:26:35,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:26:35,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:26:35,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:26:35,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:26:35,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:26:35,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:26:35,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:26:35,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:26:35,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:26:35,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:26:35,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:26:35,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:26:35,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:26:35,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:26:35,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:26:35,609 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:26:35,667 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:26:35,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:26:35,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:26:35,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:26:35,672 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:26:35,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:26:35,673 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:26:35,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:26:35,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:26:35,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:26:35,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:26:35,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:26:35,680 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:26:35,680 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:26:35,680 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:26:35,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:26:35,682 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:26:35,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:26:35,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:26:35,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:26:35,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:26:35,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:26:35,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:26:35,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:26:35,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:26:35,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:26:35,689 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:26:35,689 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:26:35,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:26:35,693 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:26:35,694 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 -> ded3b28572bf0312fbe5040f319fc976587bffd9 [2019-11-27 16:26:36,161 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:26:36,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:26:36,193 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:26:36,198 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:26:36,199 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:26:36,202 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-11-27 16:26:36,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eece10c0/83f6f85fb9174de988e33404b2405ef5/FLAG27b3e8bbe [2019-11-27 16:26:37,476 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:26:37,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-11-27 16:26:37,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eece10c0/83f6f85fb9174de988e33404b2405ef5/FLAG27b3e8bbe [2019-11-27 16:26:37,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eece10c0/83f6f85fb9174de988e33404b2405ef5 [2019-11-27 16:26:37,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:26:37,560 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:26:37,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:26:37,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:26:37,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:26:37,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:26:37" (1/1) ... [2019-11-27 16:26:37,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@218e5f0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:37, skipping insertion in model container [2019-11-27 16:26:37,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:26:37" (1/1) ... [2019-11-27 16:26:37,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:26:37,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:26:38,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:26:38,602 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:26:38,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:26:38,903 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:26:38,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:38 WrapperNode [2019-11-27 16:26:38,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:26:38,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:26:38,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:26:38,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:26:38,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:38" (1/1) ... [2019-11-27 16:26:38,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:38" (1/1) ... [2019-11-27 16:26:39,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:26:39,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:26:39,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:26:39,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:26:39,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:38" (1/1) ... [2019-11-27 16:26:39,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:38" (1/1) ... [2019-11-27 16:26:39,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:38" (1/1) ... [2019-11-27 16:26:39,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:38" (1/1) ... [2019-11-27 16:26:39,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:38" (1/1) ... [2019-11-27 16:26:39,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:38" (1/1) ... [2019-11-27 16:26:39,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:38" (1/1) ... [2019-11-27 16:26:39,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:26:39,179 INFO L168 Benchmark]: Toolchain (without parser) took 1614.38 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 968.6 MB in the end (delta: -6.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:26:39,190 INFO L168 Benchmark]: CDTParser took 0.26 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 16:26:39,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1340.72 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 974.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:26:39,200 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.65 ms. Allocated memory is still 1.0 GB. Free memory is still 974.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:26:39,204 INFO L168 Benchmark]: Boogie Preprocessor took 121.64 ms. Allocated memory is still 1.0 GB. Free memory was 974.3 MB in the beginning and 968.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:26:39,212 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 1340.72 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 974.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 144.65 ms. Allocated memory is still 1.0 GB. Free memory is still 974.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 121.64 ms. Allocated memory is still 1.0 GB. Free memory was 974.3 MB in the beginning and 968.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...