java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loop-new/gauss_sum.i.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:39:13,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:39:13,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:39:13,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:39:13,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:39:13,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:39:13,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:39:13,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:39:13,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:39:13,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:39:13,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:39:13,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:39:13,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:39:13,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:39:13,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:39:13,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:39:13,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:39:13,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:39:13,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:39:13,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:39:13,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:39:13,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:39:13,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:39:13,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:39:13,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 00:39:13,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:39:13,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:39:13,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:39:13,517 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 [2019-10-14 00:39:13,538 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:39:13,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:39:13,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:39:13,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:39:13,543 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:39:13,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:39:13,543 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:39:13,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:39:13,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:39:13,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:39:13,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:39:13,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:39:13,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:39:13,544 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:39:13,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:39:13,545 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:39:13,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:39:13,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:39:13,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:39:13,546 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:39:13,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:39:13,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:39:13,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:39:13,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:39:13,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:39:13,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:39:13,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:39:13,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:39:13,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-14 00:39:13,864 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:39:13,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:39:13,881 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:39:13,882 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:39:13,883 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:39:13,883 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/gauss_sum.i.p+lhb-reducer.c [2019-10-14 00:39:13,962 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dfa1577b/a4fec86b0b3f4fbb84f6be5b931dc1f2/FLAG0a43e6792 [2019-10-14 00:39:14,447 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:39:14,448 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i.p+lhb-reducer.c [2019-10-14 00:39:14,455 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dfa1577b/a4fec86b0b3f4fbb84f6be5b931dc1f2/FLAG0a43e6792 [2019-10-14 00:39:14,826 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dfa1577b/a4fec86b0b3f4fbb84f6be5b931dc1f2 [2019-10-14 00:39:14,835 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:39:14,836 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:39:14,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:14,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:39:14,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:39:14,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:14" (1/1) ... [2019-10-14 00:39:14,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@372c657e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:14, skipping insertion in model container [2019-10-14 00:39:14,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:14" (1/1) ... [2019-10-14 00:39:14,853 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:39:14,881 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:39:15,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:15,097 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:39:15,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:15,132 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:39:15,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:15 WrapperNode [2019-10-14 00:39:15,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:15,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:39:15,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:39:15,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:39:15,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:15" (1/1) ... [2019-10-14 00:39:15,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:15" (1/1) ... [2019-10-14 00:39:15,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:15" (1/1) ... [2019-10-14 00:39:15,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:15" (1/1) ... [2019-10-14 00:39:15,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:15" (1/1) ... [2019-10-14 00:39:15,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:15" (1/1) ... [2019-10-14 00:39:15,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:15" (1/1) ... [2019-10-14 00:39:15,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:39:15,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:39:15,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:39:15,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:39:15,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:15" (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 [2019-10-14 00:39:15,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:39:15,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:39:15,307 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:39:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:39:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 00:39:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 00:39:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:39:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:39:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:39:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:39:15,543 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:39:15,543 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 00:39:15,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:15 BoogieIcfgContainer [2019-10-14 00:39:15,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:39:15,546 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:39:15,547 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:39:15,547 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:39:15,548 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:15" (1/1) ... [2019-10-14 00:39:15,614 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:39:15,816 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-14 00:39:15,838 INFO L272 AbstractInterpreter]: Visited 29 different actions 63 times. Merged at 7 different actions 24 times. Widened at 1 different actions 3 times. Performed 157 root evaluator evaluations with a maximum evaluation depth of 6. Performed 157 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 12 fixpoints after 6 different actions. Largest state had 11 variables. [2019-10-14 00:39:15,838 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:39:15,841 INFO L168 Benchmark]: Toolchain (without parser) took 1003.54 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 101.3 MB in the beginning and 156.3 MB in the end (delta: -55.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:15,842 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 141.6 MB. Free memory was 120.0 MB in the beginning and 119.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-14 00:39:15,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.39 ms. Allocated memory is still 141.6 MB. Free memory was 101.1 MB in the beginning and 91.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:15,845 INFO L168 Benchmark]: Boogie Preprocessor took 118.60 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 91.2 MB in the beginning and 179.7 MB in the end (delta: -88.6 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:15,846 INFO L168 Benchmark]: RCFGBuilder took 293.53 ms. Allocated memory is still 200.8 MB. Free memory was 179.1 MB in the beginning and 166.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:15,847 INFO L168 Benchmark]: Abstract Interpretation took 291.64 ms. Allocated memory is still 200.8 MB. Free memory was 166.6 MB in the beginning and 156.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:15,852 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 141.6 MB. Free memory was 120.0 MB in the beginning and 119.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 295.39 ms. Allocated memory is still 141.6 MB. Free memory was 101.1 MB in the beginning and 91.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.60 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 91.2 MB in the beginning and 179.7 MB in the end (delta: -88.6 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 293.53 ms. Allocated memory is still 200.8 MB. Free memory was 179.1 MB in the beginning and 166.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 291.64 ms. Allocated memory is still 200.8 MB. Free memory was 166.6 MB in the beginning and 156.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 64]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L7] int __return_96; [L10] int main__n; [L11] int main__sum; [L12] int main__i; [L13] main__n = __VERIFIER_nondet_int() [L14] COND FALSE !(!(1 <= main__n)) [L20] COND FALSE !(!(main__n <= 1000)) [L26] main__sum = 0 [L27] main__i = 1 [L28] COND TRUE main__i <= main__n [L30] main__sum = main__sum + main__i [L31] main__i = main__i + 1 [L32] COND TRUE main__i <= main__n [L34] main__sum = main__sum + main__i [L35] main__i = main__i + 1 [L36] COND TRUE main__i <= main__n [L38] main__sum = main__sum + main__i [L39] main__i = main__i + 1 [L40] COND TRUE main__i <= main__n [L42] main__sum = main__sum + main__i [L43] main__i = main__i + 1 [L44] COND TRUE main__i <= main__n [L46] main__sum = main__sum + main__i [L47] main__i = main__i + 1 [L49] COND FALSE !(main__i <= main__n) [L58] int __tmp_1; [L59] __tmp_1 = (2 * main__sum) == (main__n * (main__n + 1)) [L60] int __VERIFIER_assert__cond; [L61] __VERIFIER_assert__cond = __tmp_1 [L62] COND TRUE __VERIFIER_assert__cond == 0 [L64] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...