java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/reducercommutativity/rangesum60.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:24:20,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:24:20,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:24:20,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:24:20,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:24:20,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:24:20,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:24:20,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:24:20,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:24:20,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:24:20,472 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:24:20,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:24:20,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:24:20,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:24:20,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:24:20,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:24:20,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:24:20,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:24:20,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:24:20,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:24:20,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:24:20,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:24:20,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:24:20,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:24:20,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 16:24:20,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 16:24:20,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 16:24:20,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 16:24:20,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 16:24:20,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 16:24:20,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:24:20,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:24:20,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:24:20,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:24:20,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:24:20,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:24:20,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:24:20,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:24:20,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:24:20,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:24:20,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:24:20,501 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-09 16:24:20,516 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:24:20,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:24:20,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:24:20,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:24:20,519 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:24:20,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:24:20,520 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:24:20,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:24:20,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:24:20,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:24:20,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:24:20,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:24:20,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:24:20,522 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:24:20,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:24:20,523 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:24:20,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:24:20,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:24:20,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:24:20,524 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:24:20,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:24:20,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:24:20,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:24:20,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:24:20,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:24:20,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:24:20,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:24:20,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:24:20,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:24:20,559 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:24:20,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:24:20,574 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:24:20,576 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:24:20,576 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:24:20,577 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/rangesum60.i [2019-08-09 16:24:20,640 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adead4104/f1f14e3faa134e2db91e6ac0da249f37/FLAG94087f16b [2019-08-09 16:24:21,111 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:24:21,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/rangesum60.i [2019-08-09 16:24:21,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adead4104/f1f14e3faa134e2db91e6ac0da249f37/FLAG94087f16b [2019-08-09 16:24:21,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adead4104/f1f14e3faa134e2db91e6ac0da249f37 [2019-08-09 16:24:21,476 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:24:21,478 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:24:21,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:24:21,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:24:21,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:24:21,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:24:21" (1/1) ... [2019-08-09 16:24:21,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19382209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:24:21, skipping insertion in model container [2019-08-09 16:24:21,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:24:21" (1/1) ... [2019-08-09 16:24:21,494 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:24:21,515 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:24:21,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:24:21,692 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:24:21,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:24:21,736 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:24:21,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:24:21 WrapperNode [2019-08-09 16:24:21,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:24:21,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:24:21,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:24:21,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:24:21,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:24:21" (1/1) ... [2019-08-09 16:24:21,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:24:21" (1/1) ... [2019-08-09 16:24:21,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:24:21" (1/1) ... [2019-08-09 16:24:21,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:24:21" (1/1) ... [2019-08-09 16:24:21,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:24:21" (1/1) ... [2019-08-09 16:24:21,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:24:21" (1/1) ... [2019-08-09 16:24:21,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:24:21" (1/1) ... [2019-08-09 16:24:21,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:24:21,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:24:21,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:24:21,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:24:21,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:24:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:24:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:24:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:24:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure init_nondet [2019-08-09 16:24:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2019-08-09 16:24:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:24:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:24:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:24:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure init_nondet [2019-08-09 16:24:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-09 16:24:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2019-08-09 16:24:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-09 16:24:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:24:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-09 16:24:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-09 16:24:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:24:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:24:22,278 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:24:22,278 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-09 16:24:22,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:24:22 BoogieIcfgContainer [2019-08-09 16:24:22,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:24:22,280 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:24:22,281 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:24:22,281 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:24:22,282 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:24:22" (1/1) ... [2019-08-09 16:24:22,702 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-08-09 16:24:23,646 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:24:23,654 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:24:23,656 INFO L168 Benchmark]: Toolchain (without parser) took 2177.95 ms. Allocated memory was 132.6 MB in the beginning and 223.9 MB in the end (delta: 91.2 MB). Free memory was 88.2 MB in the beginning and 127.2 MB in the end (delta: -39.0 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:24:23,657 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 16:24:23,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.68 ms. Allocated memory is still 132.6 MB. Free memory was 88.0 MB in the beginning and 77.7 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-09 16:24:23,659 INFO L168 Benchmark]: Boogie Preprocessor took 156.19 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 77.7 MB in the beginning and 175.6 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:24:23,660 INFO L168 Benchmark]: RCFGBuilder took 385.78 ms. Allocated memory is still 200.3 MB. Free memory was 175.6 MB in the beginning and 159.2 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:24:23,660 INFO L168 Benchmark]: Symbolic Interpretation took 1373.53 ms. Allocated memory was 200.3 MB in the beginning and 223.9 MB in the end (delta: 23.6 MB). Free memory was 159.2 MB in the beginning and 127.2 MB in the end (delta: 32.0 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:24:23,664 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 50]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 134#(and (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 258.68 ms. Allocated memory is still 132.6 MB. Free memory was 88.0 MB in the beginning and 77.7 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 156.19 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 77.7 MB in the beginning and 175.6 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 385.78 ms. Allocated memory is still 200.3 MB. Free memory was 175.6 MB in the beginning and 159.2 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1373.53 ms. Allocated memory was 200.3 MB in the beginning and 223.9 MB in the end (delta: 23.6 MB). Free memory was 159.2 MB in the beginning and 127.2 MB in the end (delta: 32.0 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...