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/loop-new/gauss_sum.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:26:24,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:26:24,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:26:24,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:26:24,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:26:24,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:26:24,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:26:24,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:26:24,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:26:24,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:26:24,585 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:26:24,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:26:24,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:26:24,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:26:24,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:26:24,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:26:24,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:26:24,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:26:24,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:26:24,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:26:24,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:26:24,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:26:24,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:26:24,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:26:24,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:26:24,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 02:26:24,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 02:26:24,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 02:26:24,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 02:26:24,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 02:26:24,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 02:26:24,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 02:26:24,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 02:26:24,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:26:24,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:26:24,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:26:24,614 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 02:26:24,630 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:26:24,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:26:24,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:26:24,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:26:24,632 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:26:24,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:26:24,632 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:26:24,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:26:24,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:26:24,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:26:24,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:26:24,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:26:24,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:26:24,633 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:26:24,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:26:24,634 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:26:24,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:26:24,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:26:24,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:26:24,635 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:26:24,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:26:24,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:26:24,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:26:24,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:26:24,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:26:24,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:26:24,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:26:24,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:26:24,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:26:24,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:26:24,679 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:26:24,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:26:24,683 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:26:24,684 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:26:24,684 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c [2019-08-10 02:26:24,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e065c386/a512a7e51076473eba0a08b2f1e2b36a/FLAGf54f08710 [2019-08-10 02:26:25,167 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:26:25,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c [2019-08-10 02:26:25,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e065c386/a512a7e51076473eba0a08b2f1e2b36a/FLAGf54f08710 [2019-08-10 02:26:25,568 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e065c386/a512a7e51076473eba0a08b2f1e2b36a [2019-08-10 02:26:25,580 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:26:25,582 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:26:25,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:26:25,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:26:25,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:26:25,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:26:25" (1/1) ... [2019-08-10 02:26:25,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74696005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:25, skipping insertion in model container [2019-08-10 02:26:25,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:26:25" (1/1) ... [2019-08-10 02:26:25,598 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:26:25,616 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:26:25,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:26:25,831 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:26:25,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:26:25,873 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:26:25,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:25 WrapperNode [2019-08-10 02:26:25,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:26:25,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:26:25,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:26:25,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:26:25,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:25" (1/1) ... [2019-08-10 02:26:25,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:25" (1/1) ... [2019-08-10 02:26:25,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:25" (1/1) ... [2019-08-10 02:26:25,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:25" (1/1) ... [2019-08-10 02:26:26,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:25" (1/1) ... [2019-08-10 02:26:26,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:25" (1/1) ... [2019-08-10 02:26:26,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:25" (1/1) ... [2019-08-10 02:26:26,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:26:26,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:26:26,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:26:26,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:26:26,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:25" (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 02:26:26,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:26:26,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:26:26,076 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:26:26,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:26:26,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 02:26:26,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-10 02:26:26,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-10 02:26:26,077 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:26:26,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:26:26,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:26:26,253 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:26:26,253 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 02:26:26,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:26:26 BoogieIcfgContainer [2019-08-10 02:26:26,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:26:26,255 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:26:26,255 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:26:26,256 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:26:26,257 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:26:26" (1/1) ... [2019-08-10 02:26:26,426 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:26:26,433 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:26:26,436 INFO L168 Benchmark]: Toolchain (without parser) took 853.21 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 88.1 MB in the beginning and 161.5 MB in the end (delta: -73.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 02:26:26,437 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-10 02:26:26,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.71 ms. Allocated memory is still 140.5 MB. Free memory was 87.7 MB in the beginning and 78.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:26,440 INFO L168 Benchmark]: Boogie Preprocessor took 137.34 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 78.5 MB in the beginning and 178.8 MB in the end (delta: -100.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:26,441 INFO L168 Benchmark]: RCFGBuilder took 242.43 ms. Allocated memory is still 200.8 MB. Free memory was 178.8 MB in the beginning and 167.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:26,442 INFO L168 Benchmark]: Symbolic Interpretation took 178.21 ms. Allocated memory is still 200.8 MB. Free memory was 167.4 MB in the beginning and 161.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:26,447 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 44]: 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 32#(and (not (<= main_~main__i~0 main_~main__n~0)) (= main_~__tmp_1~0 (ite (= (* main_~main__n~0 (+ main_~main__n~0 1)) (* 2 main_~main__sum~0)) 1 0)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 291.71 ms. Allocated memory is still 140.5 MB. Free memory was 87.7 MB in the beginning and 78.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.34 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 78.5 MB in the beginning and 178.8 MB in the end (delta: -100.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 242.43 ms. Allocated memory is still 200.8 MB. Free memory was 178.8 MB in the beginning and 167.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 178.21 ms. Allocated memory is still 200.8 MB. Free memory was 167.4 MB in the beginning and 161.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...