/usr/bin/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+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:58:00,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:58:00,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:58:00,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 06:58:00,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 06:58:00,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 06:58:00,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 06:58:00,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 06:58:00,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 06:58:00,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 06:58:00,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 06:58:00,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 06:58:00,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 06:58:00,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 06:58:00,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 06:58:00,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 06:58:00,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 06:58:00,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 06:58:00,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 06:58:00,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 06:58:00,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 06:58:00,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 06:58:00,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 06:58:00,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 06:58:00,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 06:58:00,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 06:58:00,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 06:58:00,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 06:58:00,637 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 [2019-11-07 06:58:00,670 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:58:00,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:58:00,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:58:00,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:58:00,675 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:58:00,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:58:00,675 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:58:00,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:58:00,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:58:00,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:58:00,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:58:00,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:58:00,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:58:00,677 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:58:00,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:58:00,679 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:58:00,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:58:00,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:58:00,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:58:00,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:58:00,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:58:00,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:58:00,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:58:00,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:58:00,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:58:00,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:58:00,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:58:00,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:58:00,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 06:58:00,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:58:01,012 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:58:01,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:58:01,018 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:58:01,019 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:58:01,020 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/gauss_sum.i.p+cfa-reducer.c [2019-11-07 06:58:01,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbb51855c/27015f60e8514d95b1fcf20ce297f97b/FLAG8e9ccfe8f [2019-11-07 06:58:01,521 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:58:01,521 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i.p+cfa-reducer.c [2019-11-07 06:58:01,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbb51855c/27015f60e8514d95b1fcf20ce297f97b/FLAG8e9ccfe8f [2019-11-07 06:58:01,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbb51855c/27015f60e8514d95b1fcf20ce297f97b [2019-11-07 06:58:01,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:58:01,967 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:58:01,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:58:01,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:58:01,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:58:01,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:58:01" (1/1) ... [2019-11-07 06:58:01,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a7bb17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:01, skipping insertion in model container [2019-11-07 06:58:01,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:58:01" (1/1) ... [2019-11-07 06:58:01,984 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:58:02,002 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:58:02,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:58:02,189 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:58:02,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:58:02,218 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:58:02,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:02 WrapperNode [2019-11-07 06:58:02,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:58:02,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:58:02,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:58:02,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:58:02,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:02" (1/1) ... [2019-11-07 06:58:02,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:02" (1/1) ... [2019-11-07 06:58:02,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:02" (1/1) ... [2019-11-07 06:58:02,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:02" (1/1) ... [2019-11-07 06:58:02,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:02" (1/1) ... [2019-11-07 06:58:02,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:02" (1/1) ... [2019-11-07 06:58:02,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:02" (1/1) ... [2019-11-07 06:58:02,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:58:02,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:58:02,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:58:02,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:58:02,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:02" (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 [2019-11-07 06:58:02,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:58:02,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:58:02,389 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:58:02,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:58:02,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 06:58:02,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 06:58:02,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 06:58:02,390 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:58:02,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:58:02,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:58:02,555 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:58:02,557 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 06:58:02,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:58:02 BoogieIcfgContainer [2019-11-07 06:58:02,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:58:02,559 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:58:02,559 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:58:02,559 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:58:02,560 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:58:02" (1/1) ... [2019-11-07 06:58:02,595 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:58:02,837 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 06:58:02,858 INFO L272 AbstractInterpreter]: Visited 19 different actions 55 times. Merged at 7 different actions 25 times. Widened at 1 different actions 3 times. Performed 141 root evaluator evaluations with a maximum evaluation depth of 6. Performed 141 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 8 fixpoints after 3 different actions. Largest state had 11 variables. [2019-11-07 06:58:02,858 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:58:02,862 INFO L168 Benchmark]: Toolchain (without parser) took 893.46 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 104.6 MB in the beginning and 161.0 MB in the end (delta: -56.4 MB). Peak memory consumption was 789.9 kB. Max. memory is 7.1 GB. [2019-11-07 06:58:02,868 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 06:58:02,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.92 ms. Allocated memory is still 146.8 MB. Free memory was 104.2 MB in the beginning and 94.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:02,872 INFO L168 Benchmark]: Boogie Preprocessor took 112.82 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 94.8 MB in the beginning and 182.6 MB in the end (delta: -87.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:02,873 INFO L168 Benchmark]: RCFGBuilder took 226.48 ms. Allocated memory is still 203.9 MB. Free memory was 182.3 MB in the beginning and 170.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:02,874 INFO L168 Benchmark]: Abstract Interpretation took 299.45 ms. Allocated memory is still 203.9 MB. Free memory was 170.7 MB in the beginning and 161.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:02,882 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 249.92 ms. Allocated memory is still 146.8 MB. Free memory was 104.2 MB in the beginning and 94.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.82 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 94.8 MB in the beginning and 182.6 MB in the end (delta: -87.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 226.48 ms. Allocated memory is still 203.9 MB. Free memory was 182.3 MB in the beginning and 170.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 299.45 ms. Allocated memory is still 203.9 MB. Free memory was 170.7 MB in the beginning and 161.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 44]: 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_80; [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 [L29] COND TRUE main__i <= main__n [L31] main__sum = main__sum + main__i [L32] main__i = main__i + 1 [L29] COND FALSE !(main__i <= main__n) [L38] int __tmp_1; [L39] __tmp_1 = (2 * main__sum) == (main__n * (main__n + 1)) [L40] int __VERIFIER_assert__cond; [L41] __VERIFIER_assert__cond = __tmp_1 [L42] COND TRUE __VERIFIER_assert__cond == 0 [L44] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...