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/lcm1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:49,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:49,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:49,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:49,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:49,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:49,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:49,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:49,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:49,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:49,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:49,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:49,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:49,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:49,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:49,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:49,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:49,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:49,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:49,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:49,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:49,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:49,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:49,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:49,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:49,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:49,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:49,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:49,659 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 04:44:49,672 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:49,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:49,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:49,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:49,674 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:49,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:49,675 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:49,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:49,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:49,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:49,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:49,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:49,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:49,676 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:49,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:49,676 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:49,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:49,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:49,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:49,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:49,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:49,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:49,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:49,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:49,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:49,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:49,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:49,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:49,679 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 04:44:49,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:50,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:50,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:50,007 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:50,007 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:50,008 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/lcm1.c [2019-10-15 04:44:50,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fdf92f74/a5375a2cdee9433e889113d0064d0223/FLAG706e1b077 [2019-10-15 04:44:50,537 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:50,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/lcm1.c [2019-10-15 04:44:50,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fdf92f74/a5375a2cdee9433e889113d0064d0223/FLAG706e1b077 [2019-10-15 04:44:50,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fdf92f74/a5375a2cdee9433e889113d0064d0223 [2019-10-15 04:44:50,970 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:50,971 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:50,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:50,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:50,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:50,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:50" (1/1) ... [2019-10-15 04:44:50,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ee01de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:50, skipping insertion in model container [2019-10-15 04:44:50,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:50" (1/1) ... [2019-10-15 04:44:50,990 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:51,012 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:51,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:51,226 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:51,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:51,264 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:51,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51 WrapperNode [2019-10-15 04:44:51,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:51,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:51,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:51,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:51,361 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 04:44:51,362 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 04:44:51,369 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 04:44:51,369 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 04:44:51,376 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 04:44:51,383 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 04:44:51,394 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 04:44:51,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:51,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:51,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:51,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:51,401 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 04:44:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:44:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:51,638 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:51,639 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-15 04:44:51,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:51 BoogieIcfgContainer [2019-10-15 04:44:51,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:51,641 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:51,641 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:51,641 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:51,642 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:51" (1/1) ... [2019-10-15 04:44:51,673 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:51,895 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:51,915 INFO L272 AbstractInterpreter]: Visited 16 different actions 16 times. Never merged. Never widened. Performed 31 root evaluator evaluations with a maximum evaluation depth of 8. Performed 31 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Never found a fixpoint. Largest state had 9 variables. [2019-10-15 04:44:51,915 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:51,918 INFO L168 Benchmark]: Toolchain (without parser) took 945.67 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 101.4 MB in the beginning and 156.2 MB in the end (delta: -54.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:51,919 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory is still 119.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:44:51,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.91 ms. Allocated memory is still 136.3 MB. Free memory was 101.4 MB in the beginning and 91.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:51,922 INFO L168 Benchmark]: Boogie Preprocessor took 133.56 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 91.2 MB in the beginning and 178.5 MB in the end (delta: -87.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:51,923 INFO L168 Benchmark]: RCFGBuilder took 240.66 ms. Allocated memory is still 200.3 MB. Free memory was 177.5 MB in the beginning and 165.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:51,924 INFO L168 Benchmark]: Abstract Interpretation took 274.37 ms. Allocated memory is still 200.3 MB. Free memory was 165.4 MB in the beginning and 156.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:51,930 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 136.3 MB. Free memory is still 119.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 292.91 ms. Allocated memory is still 136.3 MB. Free memory was 101.4 MB in the beginning and 91.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.56 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 91.2 MB in the beginning and 178.5 MB in the end (delta: -87.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 240.66 ms. Allocated memory is still 200.3 MB. Free memory was 177.5 MB in the beginning and 165.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 274.37 ms. Allocated memory is still 200.3 MB. Free memory was 165.4 MB in the beginning and 156.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 12]: 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 a, b; [L19] int x, y, u, v; [L20] a = __VERIFIER_nondet_int() [L21] b = __VERIFIER_nondet_int() [L25] x = a [L26] y = b [L27] u = b [L28] v = 0 [L30] COND TRUE 1 [L31] CALL __VERIFIER_assert(x*u + y*v == a*b) [L10] COND TRUE !(cond) [L12] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...