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/ps4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:39:44,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:39:44,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:39:44,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:39:44,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:39:44,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:39:44,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:39:44,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:39:44,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:39:44,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:39:44,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:39:44,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:39:44,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:39:44,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:39:44,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:39:44,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:39:44,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:39:44,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:39:44,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:39:44,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:39:44,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:39:44,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:39:44,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:39:44,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:39:44,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:39:44,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:39:44,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:39:44,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:39:44,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:39:44,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:39:44,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:39:44,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:39:44,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 12:39:44,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 12:39:44,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 12:39:44,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 12:39:44,080 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 [2019-10-03 12:39:44,096 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:39:44,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:39:44,096 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:39:44,097 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:39:44,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:39:44,098 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:39:44,098 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:39:44,098 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:39:44,098 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:39:44,098 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:39:44,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:39:44,099 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:39:44,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:39:44,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:39:44,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:39:44,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:39:44,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:39:44,100 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:39:44,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:39:44,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:39:44,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:39:44,101 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:39:44,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:39:44,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:39:44,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:39:44,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:39:44,102 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:39:44,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:39:44,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:39:44,103 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:39:44,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:39:44,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:39:44,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:39:44,149 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:39:44,150 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:39:44,151 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/ps4.c [2019-10-03 12:39:44,214 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd81e78c/1e4e633882314e7da453dd951b57d418/FLAGf3a5fa048 [2019-10-03 12:39:44,658 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:39:44,659 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/ps4.c [2019-10-03 12:39:44,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd81e78c/1e4e633882314e7da453dd951b57d418/FLAGf3a5fa048 [2019-10-03 12:39:44,981 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd81e78c/1e4e633882314e7da453dd951b57d418 [2019-10-03 12:39:44,993 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:39:44,995 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:39:44,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:39:44,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:39:45,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:39:45,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:39:44" (1/1) ... [2019-10-03 12:39:45,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7de48500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:45, skipping insertion in model container [2019-10-03 12:39:45,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:39:44" (1/1) ... [2019-10-03 12:39:45,016 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:39:45,039 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:39:45,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:39:45,326 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:39:45,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:39:45,370 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:39:45,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:45 WrapperNode [2019-10-03 12:39:45,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:39:45,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:39:45,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:39:45,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:39:45,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:45" (1/1) ... [2019-10-03 12:39:45,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:45" (1/1) ... [2019-10-03 12:39:45,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:45" (1/1) ... [2019-10-03 12:39:45,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:45" (1/1) ... [2019-10-03 12:39:45,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:45" (1/1) ... [2019-10-03 12:39:45,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:45" (1/1) ... [2019-10-03 12:39:45,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:45" (1/1) ... [2019-10-03 12:39:45,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:39:45,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:39:45,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:39:45,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:39:45,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:45" (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 [2019-10-03 12:39:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:39:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:39:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-03 12:39:45,617 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:39:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:39:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:39:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 12:39:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-03 12:39:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:39:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:39:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:39:45,793 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:39:45,794 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 12:39:45,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:39:45 BoogieIcfgContainer [2019-10-03 12:39:45,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:39:45,796 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:39:45,796 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:39:45,797 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:39:45,798 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:39:45" (1/1) ... [2019-10-03 12:39:45,828 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:39:46,055 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:39:46,082 INFO L272 AbstractInterpreter]: Visited 16 different actions 16 times. Never merged. Never widened. Performed 13 root evaluator evaluations with a maximum evaluation depth of 12. Performed 13 inverse root evaluator evaluations with a maximum inverse evaluation depth of 12. Never found a fixpoint. Largest state had 6 variables. [2019-10-03 12:39:46,082 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:39:46,085 INFO L168 Benchmark]: Toolchain (without parser) took 1089.41 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 87.6 MB in the beginning and 156.1 MB in the end (delta: -68.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 12:39:46,086 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:39:46,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.06 ms. Allocated memory is still 140.0 MB. Free memory was 87.3 MB in the beginning and 77.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:46,088 INFO L168 Benchmark]: Boogie Preprocessor took 162.50 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 77.8 MB in the beginning and 178.3 MB in the end (delta: -100.6 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:46,089 INFO L168 Benchmark]: RCFGBuilder took 260.00 ms. Allocated memory is still 200.8 MB. Free memory was 178.3 MB in the beginning and 167.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:46,091 INFO L168 Benchmark]: Abstract Interpretation took 286.03 ms. Allocated memory is still 200.8 MB. Free memory was 167.0 MB in the beginning and 156.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:46,095 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 376.06 ms. Allocated memory is still 140.0 MB. Free memory was 87.3 MB in the beginning and 77.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 162.50 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 77.8 MB in the beginning and 178.3 MB in the end (delta: -100.6 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 260.00 ms. Allocated memory is still 200.8 MB. Free memory was 178.3 MB in the beginning and 167.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 286.03 ms. Allocated memory is still 200.8 MB. Free memory was 167.0 MB in the beginning and 156.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 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(4*x - y*y*y*y - 2*y*y*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...