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/bitvector-loops/diamond_2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 19:11:27,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 19:11:27,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 19:11:27,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 19:11:27,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 19:11:27,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 19:11:27,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 19:11:27,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 19:11:27,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 19:11:27,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 19:11:27,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 19:11:27,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 19:11:27,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 19:11:27,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 19:11:27,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 19:11:27,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 19:11:27,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 19:11:27,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 19:11:27,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 19:11:27,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 19:11:27,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 19:11:27,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 19:11:27,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 19:11:27,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 19:11:27,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-10 19:11:27,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 19:11:27,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 19:11:27,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 19:11:27,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 19:11:27,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 19:11:27,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 19:11:27,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 19:11:27,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 19:11:27,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 19:11:27,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 19:11:27,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 19:11:27,331 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 [2019-09-10 19:11:27,346 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 19:11:27,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 19:11:27,347 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 19:11:27,347 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 19:11:27,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 19:11:27,348 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 19:11:27,348 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 19:11:27,348 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 19:11:27,349 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 19:11:27,349 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 19:11:27,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 19:11:27,350 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 19:11:27,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 19:11:27,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 19:11:27,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 19:11:27,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 19:11:27,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 19:11:27,351 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 19:11:27,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 19:11:27,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 19:11:27,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 19:11:27,352 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 19:11:27,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 19:11:27,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 19:11:27,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 19:11:27,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 19:11:27,353 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 19:11:27,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 19:11:27,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 19:11:27,354 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 19:11:27,383 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 19:11:27,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 19:11:27,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 19:11:27,403 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 19:11:27,404 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 19:11:27,405 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-loops/diamond_2-1.c [2019-09-10 19:11:27,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/678615d97/7b7fe68fb00e4764afcb6f3d0a69874e/FLAGd1f79d2b2 [2019-09-10 19:11:27,881 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 19:11:27,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-loops/diamond_2-1.c [2019-09-10 19:11:27,888 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/678615d97/7b7fe68fb00e4764afcb6f3d0a69874e/FLAGd1f79d2b2 [2019-09-10 19:11:28,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/678615d97/7b7fe68fb00e4764afcb6f3d0a69874e [2019-09-10 19:11:28,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 19:11:28,258 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 19:11:28,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 19:11:28,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 19:11:28,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 19:11:28,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:11:28" (1/1) ... [2019-09-10 19:11:28,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c9c9b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:28, skipping insertion in model container [2019-09-10 19:11:28,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:11:28" (1/1) ... [2019-09-10 19:11:28,276 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 19:11:28,295 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 19:11:28,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:11:28,482 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 19:11:28,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:11:28,523 INFO L192 MainTranslator]: Completed translation [2019-09-10 19:11:28,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:28 WrapperNode [2019-09-10 19:11:28,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 19:11:28,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 19:11:28,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 19:11:28,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 19:11:28,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:28" (1/1) ... [2019-09-10 19:11:28,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:28" (1/1) ... [2019-09-10 19:11:28,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:28" (1/1) ... [2019-09-10 19:11:28,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:28" (1/1) ... [2019-09-10 19:11:28,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:28" (1/1) ... [2019-09-10 19:11:28,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:28" (1/1) ... [2019-09-10 19:11:28,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:28" (1/1) ... [2019-09-10 19:11:28,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 19:11:28,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 19:11:28,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 19:11:28,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 19:11:28,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:28" (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 [2019-09-10 19:11:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 19:11:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 19:11:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-10 19:11:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 19:11:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 19:11:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-10 19:11:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-10 19:11:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 19:11:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 19:11:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 19:11:28,985 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 19:11:28,985 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-10 19:11:28,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:11:28 BoogieIcfgContainer [2019-09-10 19:11:28,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 19:11:28,987 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-10 19:11:28,988 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-10 19:11:28,988 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-10 19:11:28,989 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:11:28" (1/1) ... [2019-09-10 19:11:29,026 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 19:11:29,090 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 19:11:35,296 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 19:11:35,317 INFO L272 AbstractInterpreter]: Visited 39 different actions 867 times. Merged at 21 different actions 374 times. Widened at 2 different actions 4 times. Performed 3188 root evaluator evaluations with a maximum evaluation depth of 14. Performed 3188 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Found 337 fixpoints after 18 different actions. Largest state had 5 variables. [2019-09-10 19:11:35,318 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-10 19:11:35,321 INFO L168 Benchmark]: Toolchain (without parser) took 7061.65 ms. Allocated memory was 131.6 MB in the beginning and 836.2 MB in the end (delta: 704.6 MB). Free memory was 87.6 MB in the beginning and 783.9 MB in the end (delta: -696.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-09-10 19:11:35,322 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 19:11:35,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.21 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 77.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-10 19:11:35,325 INFO L168 Benchmark]: Boogie Preprocessor took 137.31 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 77.6 MB in the beginning and 175.1 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-10 19:11:35,325 INFO L168 Benchmark]: RCFGBuilder took 324.02 ms. Allocated memory is still 198.7 MB. Free memory was 175.1 MB in the beginning and 159.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-09-10 19:11:35,327 INFO L168 Benchmark]: Abstract Interpretation took 6330.51 ms. Allocated memory was 198.7 MB in the beginning and 836.2 MB in the end (delta: 637.5 MB). Free memory was 159.5 MB in the beginning and 783.9 MB in the end (delta: -624.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-09-10 19:11:35,331 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 265.21 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 77.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.31 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 77.6 MB in the beginning and 175.1 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 324.02 ms. Allocated memory is still 198.7 MB. Free memory was 175.1 MB in the beginning and 159.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 6330.51 ms. Allocated memory was 198.7 MB in the beginning and 836.2 MB in the end (delta: 637.5 MB). Free memory was 159.5 MB in the beginning and 783.9 MB in the end (delta: -624.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 6]: 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: [L12] unsigned int x = 0; [L13] unsigned int y = __VERIFIER_nondet_uint(); [L15] COND FALSE !(x < 99) [L47] CALL __VERIFIER_assert((x % 2) == (y % 2)) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...