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/ps3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:48:01,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:48:01,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:48:01,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:48:01,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:48:01,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:48:01,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:48:01,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:48:01,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:48:01,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:48:01,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:48:01,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:48:01,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:48:01,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:48:01,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:48:01,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:48:01,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:48:01,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:48:01,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:48:01,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:48:01,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:48:01,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:48:01,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:48:01,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:48:01,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:48:01,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:48:01,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:48:01,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:48:01,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:48:01,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:48:01,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:48:01,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:48:01,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:48:01,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:48:01,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:48:01,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:48:01,287 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 [2019-09-20 13:48:01,307 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:48:01,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:48:01,307 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:48:01,308 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:48:01,308 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:48:01,308 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:48:01,309 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:48:01,309 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:48:01,309 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:48:01,310 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:48:01,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:48:01,311 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:48:01,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:48:01,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:48:01,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:48:01,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:48:01,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:48:01,313 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:48:01,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:48:01,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:48:01,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:48:01,314 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:48:01,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:48:01,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:48:01,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:48:01,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:48:01,315 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:48:01,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:48:01,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:48:01,316 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:48:01,370 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:48:01,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:48:01,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:48:01,390 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:48:01,391 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:48:01,392 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/ps3.c [2019-09-20 13:48:01,454 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/430fe44bf/99f861819b5744dbbc4ffd461a373738/FLAG08e165c45 [2019-09-20 13:48:01,905 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:48:01,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/ps3.c [2019-09-20 13:48:01,913 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/430fe44bf/99f861819b5744dbbc4ffd461a373738/FLAG08e165c45 [2019-09-20 13:48:02,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/430fe44bf/99f861819b5744dbbc4ffd461a373738 [2019-09-20 13:48:02,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:48:02,303 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:48:02,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:02,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:48:02,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:48:02,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:02" (1/1) ... [2019-09-20 13:48:02,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46ef1dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:02, skipping insertion in model container [2019-09-20 13:48:02,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:02" (1/1) ... [2019-09-20 13:48:02,321 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:48:02,342 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:48:02,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:02,554 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:48:02,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:02,582 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:48:02,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:02 WrapperNode [2019-09-20 13:48:02,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:02,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:48:02,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:48:02,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:48:02,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:02" (1/1) ... [2019-09-20 13:48:02,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:02" (1/1) ... [2019-09-20 13:48:02,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:02" (1/1) ... [2019-09-20 13:48:02,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:02" (1/1) ... [2019-09-20 13:48:02,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:02" (1/1) ... [2019-09-20 13:48:02,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:02" (1/1) ... [2019-09-20 13:48:02,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:02" (1/1) ... [2019-09-20 13:48:02,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:48:02,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:48:02,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:48:02,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:48:02,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:02" (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 [2019-09-20 13:48:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:48:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:48:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:48:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:48:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:48:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:48:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:48:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:48:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:48:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:48:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:48:02,960 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:48:02,961 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:48:02,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:02 BoogieIcfgContainer [2019-09-20 13:48:02,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:48:02,963 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:48:02,963 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:48:02,964 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:48:02,964 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:02" (1/1) ... [2019-09-20 13:48:03,016 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:48:03,205 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:48:03,233 INFO L272 AbstractInterpreter]: Visited 16 different actions 16 times. Never merged. Never widened. Performed 13 root evaluator evaluations with a maximum evaluation depth of 11. Performed 13 inverse root evaluator evaluations with a maximum inverse evaluation depth of 11. Never found a fixpoint. Largest state had 6 variables. [2019-09-20 13:48:03,233 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:48:03,236 INFO L168 Benchmark]: Toolchain (without parser) took 931.57 ms. Allocated memory was 136.8 MB in the beginning and 198.7 MB in the end (delta: 61.9 MB). Free memory was 84.6 MB in the beginning and 154.5 MB in the end (delta: -69.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:48:03,238 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:48:03,239 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.06 ms. Allocated memory is still 136.8 MB. Free memory was 84.4 MB in the beginning and 74.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:03,240 INFO L168 Benchmark]: Boogie Preprocessor took 132.28 ms. Allocated memory was 136.8 MB in the beginning and 198.7 MB in the end (delta: 61.9 MB). Free memory was 74.9 MB in the beginning and 176.0 MB in the end (delta: -101.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:03,242 INFO L168 Benchmark]: RCFGBuilder took 246.36 ms. Allocated memory is still 198.7 MB. Free memory was 176.0 MB in the beginning and 164.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:03,243 INFO L168 Benchmark]: Abstract Interpretation took 270.17 ms. Allocated memory is still 198.7 MB. Free memory was 164.3 MB in the beginning and 154.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:03,249 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 279.06 ms. Allocated memory is still 136.8 MB. Free memory was 84.4 MB in the beginning and 74.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.28 ms. Allocated memory was 136.8 MB in the beginning and 198.7 MB in the end (delta: 61.9 MB). Free memory was 74.9 MB in the beginning and 176.0 MB in the end (delta: -101.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 246.36 ms. Allocated memory is still 198.7 MB. Free memory was 176.0 MB in the beginning and 164.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 270.17 ms. Allocated memory is still 198.7 MB. Free memory was 164.3 MB in the beginning and 154.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 7]: 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: [L13] int k, y, x, c; [L14] k = __VERIFIER_nondet_int() [L16] y = 0 [L17] x = 0 [L18] c = 0 [L20] COND TRUE 1 [L21] CALL __VERIFIER_assert(6*x - 2*y*y*y - 3*y*y - y == 0) [L5] COND TRUE !(cond) [L7] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...