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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/nla-digbench/mannadiv.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:14:42,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:14:42,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:14:42,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:14:42,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:14:42,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:14:42,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:14:42,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:14:42,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:14:42,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:14:42,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:14:42,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:14:42,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:14:42,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:14:42,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:14:42,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:14:42,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:14:42,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:14:42,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:14:42,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:14:42,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:14:42,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:14:42,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:14:42,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:14:42,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:14:42,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:14:42,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:14:42,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:14:42,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:14:42,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:14:42,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:14:42,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:14:42,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:14:42,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:14:42,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:14:42,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:14:42,675 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-11 16:14:42,691 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:14:42,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:14:42,692 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:14:42,692 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:14:42,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:14:42,693 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:14:42,693 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:14:42,693 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:14:42,694 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:14:42,694 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:14:42,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:14:42,695 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:14:42,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:14:42,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:14:42,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:14:42,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:14:42,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:14:42,696 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:14:42,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:14:42,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:14:42,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:14:42,696 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:14:42,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:14:42,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:14:42,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:14:42,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:14:42,697 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:14:42,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:14:42,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:14:42,698 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:14:42,726 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:14:42,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:14:42,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:14:42,744 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:14:42,744 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:14:42,745 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/mannadiv.c [2019-09-11 16:14:42,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdda422f3/74539fc9bf704585aae6af76c4043613/FLAGf7572fb62 [2019-09-11 16:14:43,231 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:14:43,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/mannadiv.c [2019-09-11 16:14:43,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdda422f3/74539fc9bf704585aae6af76c4043613/FLAGf7572fb62 [2019-09-11 16:14:43,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdda422f3/74539fc9bf704585aae6af76c4043613 [2019-09-11 16:14:43,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:14:43,678 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:14:43,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:14:43,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:14:43,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:14:43,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:14:43" (1/1) ... [2019-09-11 16:14:43,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e5ebd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:43, skipping insertion in model container [2019-09-11 16:14:43,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:14:43" (1/1) ... [2019-09-11 16:14:43,695 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:14:43,714 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:14:43,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:14:43,943 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:14:43,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:14:43,978 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:14:43,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:43 WrapperNode [2019-09-11 16:14:43,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:14:43,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:14:43,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:14:43,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:14:44,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:43" (1/1) ... [2019-09-11 16:14:44,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:43" (1/1) ... [2019-09-11 16:14:44,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:43" (1/1) ... [2019-09-11 16:14:44,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:43" (1/1) ... [2019-09-11 16:14:44,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:43" (1/1) ... [2019-09-11 16:14:44,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:43" (1/1) ... [2019-09-11 16:14:44,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:43" (1/1) ... [2019-09-11 16:14:44,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:14:44,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:14:44,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:14:44,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:14:44,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:43" (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 [2019-09-11 16:14:44,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:14:44,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:14:44,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-11 16:14:44,183 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:14:44,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:14:44,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 16:14:44,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 16:14:44,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-11 16:14:44,184 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:14:44,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:14:44,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:14:44,375 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:14:44,375 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 16:14:44,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:14:44 BoogieIcfgContainer [2019-09-11 16:14:44,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:14:44,377 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:14:44,378 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:14:44,378 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:14:44,378 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:14:44" (1/1) ... [2019-09-11 16:14:44,410 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:14:44,612 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:14:44,630 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. [2019-09-11 16:14:44,631 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:14:44,634 INFO L168 Benchmark]: Toolchain (without parser) took 954.28 ms. Allocated memory was 141.6 MB in the beginning and 203.4 MB in the end (delta: 61.9 MB). Free memory was 91.1 MB in the beginning and 157.4 MB in the end (delta: -66.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:14:44,635 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 109.3 MB in the beginning and 109.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:14:44,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.03 ms. Allocated memory is still 141.6 MB. Free memory was 90.9 MB in the beginning and 81.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:14:44,637 INFO L168 Benchmark]: Boogie Preprocessor took 143.51 ms. Allocated memory was 141.6 MB in the beginning and 203.4 MB in the end (delta: 61.9 MB). Free memory was 81.4 MB in the beginning and 181.1 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:14:44,638 INFO L168 Benchmark]: RCFGBuilder took 253.05 ms. Allocated memory is still 203.4 MB. Free memory was 181.1 MB in the beginning and 169.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-11 16:14:44,639 INFO L168 Benchmark]: Abstract Interpretation took 253.32 ms. Allocated memory is still 203.4 MB. Free memory was 169.4 MB in the beginning and 157.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:14:44,643 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 109.3 MB in the beginning and 109.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 300.03 ms. Allocated memory is still 141.6 MB. Free memory was 90.9 MB in the beginning and 81.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 143.51 ms. Allocated memory was 141.6 MB in the beginning and 203.4 MB in the end (delta: 61.9 MB). Free memory was 81.4 MB in the beginning and 181.1 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 253.05 ms. Allocated memory is still 203.4 MB. Free memory was 181.1 MB in the beginning and 169.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 253.32 ms. Allocated memory is still 203.4 MB. Free memory was 169.4 MB in the beginning and 157.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 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...