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/loop-acceleration/multivar_1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:26:04,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:26:04,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:26:04,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 21:26:04,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 21:26:04,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 21:26:04,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 21:26:04,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 21:26:04,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 21:26:04,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 21:26:04,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 21:26:04,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 21:26:04,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 21:26:04,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 21:26:04,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 21:26:04,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 21:26:04,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 21:26:04,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 21:26:04,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 21:26:04,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 21:26:04,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 21:26:04,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 21:26:04,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 21:26:04,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 21:26:04,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 21:26:04,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 21:26:04,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 21:26:04,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 21:26:04,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 21:26:04,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 21:26:04,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 21:26:04,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 21:26:04,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 21:26:04,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 21:26:04,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 21:26:04,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 21:26:04,235 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 [2019-09-03 21:26:04,262 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:26:04,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:26:04,263 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:26:04,263 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:26:04,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:26:04,264 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:26:04,264 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:26:04,264 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:26:04,264 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:26:04,265 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:26:04,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:26:04,267 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:26:04,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:26:04,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:26:04,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:26:04,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:26:04,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:26:04,268 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:26:04,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:26:04,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:26:04,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:26:04,269 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:26:04,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:26:04,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:26:04,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:26:04,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:26:04,270 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:26:04,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:26:04,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:26:04,271 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:26:04,303 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:26:04,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:26:04,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:26:04,322 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:26:04,326 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:26:04,330 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/multivar_1-1.c [2019-09-03 21:26:04,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e33ac439/ae0bd7c74ea546989c852c96ab0e7639/FLAGfe9eb0d96 [2019-09-03 21:26:04,800 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:26:04,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/multivar_1-1.c [2019-09-03 21:26:04,808 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e33ac439/ae0bd7c74ea546989c852c96ab0e7639/FLAGfe9eb0d96 [2019-09-03 21:26:05,227 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e33ac439/ae0bd7c74ea546989c852c96ab0e7639 [2019-09-03 21:26:05,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:26:05,237 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:26:05,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:05,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:26:05,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:26:05,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:05" (1/1) ... [2019-09-03 21:26:05,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7768cb47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:05, skipping insertion in model container [2019-09-03 21:26:05,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:05" (1/1) ... [2019-09-03 21:26:05,253 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:26:05,268 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:26:05,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:05,432 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:26:05,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:05,463 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:26:05,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:05 WrapperNode [2019-09-03 21:26:05,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:05,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:26:05,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:26:05,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:26:05,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:05" (1/1) ... [2019-09-03 21:26:05,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:05" (1/1) ... [2019-09-03 21:26:05,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:05" (1/1) ... [2019-09-03 21:26:05,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:05" (1/1) ... [2019-09-03 21:26:05,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:05" (1/1) ... [2019-09-03 21:26:05,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:05" (1/1) ... [2019-09-03 21:26:05,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:05" (1/1) ... [2019-09-03 21:26:05,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:26:05,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:26:05,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:26:05,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:26:05,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:05" (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 [2019-09-03 21:26:05,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:26:05,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:26:05,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:26:05,659 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:26:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:26:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-03 21:26:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:26:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:26:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:26:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:26:05,869 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:26:05,869 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 21:26:05,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:05 BoogieIcfgContainer [2019-09-03 21:26:05,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:26:05,871 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:26:05,871 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:26:05,872 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:26:05,873 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:05" (1/1) ... [2019-09-03 21:26:05,903 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:26:05,977 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-03 21:26:06,015 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:26:06,036 INFO L272 AbstractInterpreter]: Visited 19 different actions 19 times. Never merged. Never widened. Performed 15 root evaluator evaluations with a maximum evaluation depth of 7. Performed 15 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 6 variables. [2019-09-03 21:26:06,037 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:26:06,040 INFO L168 Benchmark]: Toolchain (without parser) took 801.12 ms. Allocated memory was 140.5 MB in the beginning and 198.2 MB in the end (delta: 57.7 MB). Free memory was 88.1 MB in the beginning and 157.6 MB in the end (delta: -69.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-03 21:26:06,041 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 140.5 MB. Free memory is still 106.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-03 21:26:06,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.92 ms. Allocated memory is still 140.5 MB. Free memory was 88.1 MB in the beginning and 78.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:06,043 INFO L168 Benchmark]: Boogie Preprocessor took 122.61 ms. Allocated memory was 140.5 MB in the beginning and 198.2 MB in the end (delta: 57.7 MB). Free memory was 78.9 MB in the beginning and 175.6 MB in the end (delta: -96.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:06,045 INFO L168 Benchmark]: RCFGBuilder took 283.15 ms. Allocated memory is still 198.2 MB. Free memory was 175.6 MB in the beginning and 164.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:06,045 INFO L168 Benchmark]: Abstract Interpretation took 165.59 ms. Allocated memory is still 198.2 MB. Free memory was 164.5 MB in the beginning and 157.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:06,050 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 140.5 MB. Free memory is still 106.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 225.92 ms. Allocated memory is still 140.5 MB. Free memory was 88.1 MB in the beginning and 78.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.61 ms. Allocated memory was 140.5 MB in the beginning and 198.2 MB in the end (delta: 57.7 MB). Free memory was 78.9 MB in the beginning and 175.6 MB in the end (delta: -96.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 283.15 ms. Allocated memory is still 198.2 MB. Free memory was 175.6 MB in the beginning and 164.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 165.59 ms. Allocated memory is still 198.2 MB. Free memory was 164.5 MB in the beginning and 157.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 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 = __VERIFIER_nondet_uint(); [L13] unsigned int y = x; [L15] COND FALSE !(x < 1024) [L20] CALL __VERIFIER_assert(x == y) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...