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/loops/nec40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:22:13,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:22:13,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:22:13,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:22:13,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:22:13,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:22:13,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:22:13,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:22:13,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:22:13,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:22:13,390 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:22:13,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:22:13,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:22:13,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:22:13,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:22:13,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:22:13,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:22:13,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:22:13,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:22:13,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:22:13,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:22:13,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:22:13,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:22:13,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:22:13,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 02:22:13,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 02:22:13,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 02:22:13,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 02:22:13,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 02:22:13,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 02:22:13,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 02:22:13,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 02:22:13,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 02:22:13,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 02:22:13,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 02:22:13,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 02:22:13,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 02:22:13,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 02:22:13,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:22:13,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:22:13,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:22:13,421 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 [2019-08-10 02:22:13,435 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:22:13,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:22:13,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:22:13,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:22:13,438 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:22:13,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:22:13,439 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:22:13,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:22:13,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:22:13,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:22:13,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:22:13,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:22:13,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:22:13,441 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:22:13,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:22:13,441 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:22:13,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:22:13,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:22:13,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:22:13,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:22:13,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:22:13,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:22:13,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:22:13,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:22:13,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:22:13,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:22:13,444 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:22:13,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:22:13,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:22:13,472 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:22:13,485 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:22:13,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:22:13,490 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:22:13,491 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:22:13,491 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/nec40.c [2019-08-10 02:22:13,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/445e15c81/8f3ea0c03e8f40f3893e933871fb46f0/FLAG01deb2535 [2019-08-10 02:22:13,954 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:22:13,955 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/nec40.c [2019-08-10 02:22:13,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/445e15c81/8f3ea0c03e8f40f3893e933871fb46f0/FLAG01deb2535 [2019-08-10 02:22:14,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/445e15c81/8f3ea0c03e8f40f3893e933871fb46f0 [2019-08-10 02:22:14,319 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:22:14,321 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:22:14,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:22:14,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:22:14,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:22:14,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:22:14" (1/1) ... [2019-08-10 02:22:14,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@603f36a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:22:14, skipping insertion in model container [2019-08-10 02:22:14,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:22:14" (1/1) ... [2019-08-10 02:22:14,338 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:22:14,356 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:22:14,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:22:14,592 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:22:14,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:22:14,630 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:22:14,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:22:14 WrapperNode [2019-08-10 02:22:14,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:22:14,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:22:14,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:22:14,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:22:14,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:22:14" (1/1) ... [2019-08-10 02:22:14,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:22:14" (1/1) ... [2019-08-10 02:22:14,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:22:14" (1/1) ... [2019-08-10 02:22:14,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:22:14" (1/1) ... [2019-08-10 02:22:14,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:22:14" (1/1) ... [2019-08-10 02:22:14,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:22:14" (1/1) ... [2019-08-10 02:22:14,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:22:14" (1/1) ... [2019-08-10 02:22:14,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:22:14,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:22:14,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:22:14,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:22:14,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:22:14" (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 [2019-08-10 02:22:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:22:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:22:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-10 02:22:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:22:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:22:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-10 02:22:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-10 02:22:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:22:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 02:22:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 02:22:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:22:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 02:22:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:22:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 02:22:15,080 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:22:15,080 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-10 02:22:15,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:22:15 BoogieIcfgContainer [2019-08-10 02:22:15,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:22:15,092 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:22:15,093 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:22:15,093 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:22:15,094 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:22:15" (1/1) ... [2019-08-10 02:22:15,381 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-08-10 02:22:15,559 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-08-10 02:22:15,728 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-10 02:22:15,743 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:22:15,746 INFO L168 Benchmark]: Toolchain (without parser) took 1423.77 ms. Allocated memory was 142.6 MB in the beginning and 200.8 MB in the end (delta: 58.2 MB). Free memory was 90.4 MB in the beginning and 119.9 MB in the end (delta: -29.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2019-08-10 02:22:15,748 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:22:15,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.06 ms. Allocated memory is still 142.6 MB. Free memory was 90.2 MB in the beginning and 80.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-10 02:22:15,752 INFO L168 Benchmark]: Boogie Preprocessor took 142.09 ms. Allocated memory was 142.6 MB in the beginning and 200.8 MB in the end (delta: 58.2 MB). Free memory was 80.2 MB in the beginning and 177.8 MB in the end (delta: -97.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-10 02:22:15,754 INFO L168 Benchmark]: RCFGBuilder took 309.06 ms. Allocated memory is still 200.8 MB. Free memory was 177.8 MB in the beginning and 164.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-08-10 02:22:15,755 INFO L168 Benchmark]: Symbolic Interpretation took 650.71 ms. Allocated memory is still 200.8 MB. Free memory was 164.3 MB in the beginning and 119.9 MB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. [2019-08-10 02:22:15,767 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - AllSpecificationsHoldResult: All specifications hold All locations of interest are guaranteed to be unreachable. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 309.06 ms. Allocated memory is still 142.6 MB. Free memory was 90.2 MB in the beginning and 80.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.09 ms. Allocated memory was 142.6 MB in the beginning and 200.8 MB in the end (delta: 58.2 MB). Free memory was 80.2 MB in the beginning and 177.8 MB in the end (delta: -97.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 309.06 ms. Allocated memory is still 200.8 MB. Free memory was 177.8 MB in the beginning and 164.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 650.71 ms. Allocated memory is still 200.8 MB. Free memory was 164.3 MB in the beginning and 119.9 MB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...