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/nla-digbench/mannadiv.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:50,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:50,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:50,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:50,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:50,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:50,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:50,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:50,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:50,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:50,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:50,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:50,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:50,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:50,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:50,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:50,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:50,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:50,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:50,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:50,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:50,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:50,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:50,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:50,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:50,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:50,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:50,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:50,258 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 [2019-10-15 04:44:50,277 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:50,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:50,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:50,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:50,280 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:50,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:50,280 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:50,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:50,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:50,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:50,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:50,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:50,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:50,282 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:50,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:50,282 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:50,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:50,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:50,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:50,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:50,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:50,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:50,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:50,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:50,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:50,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:50,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:50,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:50,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:44:50,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:50,567 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:50,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:50,572 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:50,573 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:50,574 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/mannadiv.c [2019-10-15 04:44:50,644 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dbf36eba/7dff35914da942c9858a1d9601893136/FLAGa135249d4 [2019-10-15 04:44:51,097 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:51,100 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/mannadiv.c [2019-10-15 04:44:51,107 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dbf36eba/7dff35914da942c9858a1d9601893136/FLAGa135249d4 [2019-10-15 04:44:51,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dbf36eba/7dff35914da942c9858a1d9601893136 [2019-10-15 04:44:51,507 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:51,508 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:51,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:51,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:51,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:51,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:51" (1/1) ... [2019-10-15 04:44:51,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1729396c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51, skipping insertion in model container [2019-10-15 04:44:51,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:51" (1/1) ... [2019-10-15 04:44:51,525 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:51,548 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:51,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:51,732 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:51,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:51,761 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:51,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51 WrapperNode [2019-10-15 04:44:51,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:51,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:51,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:51,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:51,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51" (1/1) ... [2019-10-15 04:44:51,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51" (1/1) ... [2019-10-15 04:44:51,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51" (1/1) ... [2019-10-15 04:44:51,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51" (1/1) ... [2019-10-15 04:44:51,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51" (1/1) ... [2019-10-15 04:44:51,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51" (1/1) ... [2019-10-15 04:44:51,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51" (1/1) ... [2019-10-15 04:44:51,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:51,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:51,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:51,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:51,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51" (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 [2019-10-15 04:44:51,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:51,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:51,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:51,943 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:44:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:52,133 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:52,134 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:44:52,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:52 BoogieIcfgContainer [2019-10-15 04:44:52,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:52,143 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:52,144 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:52,144 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:52,147 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:52" (1/1) ... [2019-10-15 04:44:52,203 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:52,407 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:52,430 INFO L272 AbstractInterpreter]: Visited 16 different actions 16 times. Never merged. Never widened. Performed 27 root evaluator evaluations with a maximum evaluation depth of 8. Performed 27 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Never found a fixpoint. Largest state had 8 variables. [2019-10-15 04:44:52,430 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:52,436 INFO L168 Benchmark]: Toolchain (without parser) took 924.24 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 103.2 MB in the beginning and 160.0 MB in the end (delta: -56.7 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:52,437 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-15 04:44:52,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.73 ms. Allocated memory is still 139.5 MB. Free memory was 103.0 MB in the beginning and 93.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:52,440 INFO L168 Benchmark]: Boogie Preprocessor took 120.57 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 93.5 MB in the beginning and 183.8 MB in the end (delta: -90.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:52,441 INFO L168 Benchmark]: RCFGBuilder took 259.44 ms. Allocated memory is still 205.0 MB. Free memory was 183.4 MB in the beginning and 172.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:52,442 INFO L168 Benchmark]: Abstract Interpretation took 287.23 ms. Allocated memory is still 205.0 MB. Free memory was 171.6 MB in the beginning and 160.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:52,446 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 252.73 ms. Allocated memory is still 139.5 MB. Free memory was 103.0 MB in the beginning and 93.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.57 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 93.5 MB in the beginning and 183.8 MB in the end (delta: -90.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 259.44 ms. Allocated memory is still 205.0 MB. Free memory was 183.4 MB in the beginning and 172.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 287.23 ms. Allocated memory is still 205.0 MB. Free memory was 171.6 MB in the beginning and 160.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 13]: 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: [L18] int x1, x2; [L19] int y1, y2, y3; [L20] x1 = __VERIFIER_nondet_int() [L21] x2 = __VERIFIER_nondet_int() [L26] y1 = 0 [L27] y2 = 0 [L28] y3 = x1 [L30] COND TRUE 1 [L31] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) [L11] COND TRUE !(cond) [L13] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...