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/ps6.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:39:46,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:39:46,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:39:46,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:39:46,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:39:46,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:39:46,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:39:46,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:39:46,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:39:46,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:39:46,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:39:46,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:39:46,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:39:46,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:39:46,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:39:46,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:39:46,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:39:46,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:39:46,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:39:46,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:39:46,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:39:46,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:39:46,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:39:46,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:39:46,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:39:46,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 12:39:46,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 12:39:46,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 12:39:46,776 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 12:39:46,790 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:39:46,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:39:46,791 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:39:46,791 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:39:46,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:39:46,792 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:39:46,792 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:39:46,792 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:39:46,792 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:39:46,793 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:39:46,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:39:46,793 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:39:46,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:39:46,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:39:46,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:39:46,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:39:46,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:39:46,795 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:39:46,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:39:46,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:39:46,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:39:46,796 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:39:46,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:39:46,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:39:46,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:39:46,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:39:46,797 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:39:46,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:39:46,797 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:39:46,797 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:39:46,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:39:46,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:39:46,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:39:46,842 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:39:46,843 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:39:46,843 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/ps6.c [2019-10-03 12:39:46,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/303214428/06e33c9cb947491593802463eb563308/FLAGb2cd21309 [2019-10-03 12:39:47,324 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:39:47,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/ps6.c [2019-10-03 12:39:47,334 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/303214428/06e33c9cb947491593802463eb563308/FLAGb2cd21309 [2019-10-03 12:39:47,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/303214428/06e33c9cb947491593802463eb563308 [2019-10-03 12:39:47,758 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:39:47,759 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:39:47,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:39:47,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:39:47,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:39:47,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:39:47" (1/1) ... [2019-10-03 12:39:47,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@599a6431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:47, skipping insertion in model container [2019-10-03 12:39:47,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:39:47" (1/1) ... [2019-10-03 12:39:47,777 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:39:47,796 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:39:48,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:39:48,029 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:39:48,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:39:48,076 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:39:48,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:48 WrapperNode [2019-10-03 12:39:48,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:39:48,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:39:48,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:39:48,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:39:48,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:48" (1/1) ... [2019-10-03 12:39:48,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:48" (1/1) ... [2019-10-03 12:39:48,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:48" (1/1) ... [2019-10-03 12:39:48,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:48" (1/1) ... [2019-10-03 12:39:48,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:48" (1/1) ... [2019-10-03 12:39:48,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:48" (1/1) ... [2019-10-03 12:39:48,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:48" (1/1) ... [2019-10-03 12:39:48,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:39:48,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:39:48,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:39:48,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:39:48,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:48" (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 12:39:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:39:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:39:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-03 12:39:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:39:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:39:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:39:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 12:39:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-03 12:39:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:39:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:39:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:39:48,448 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:39:48,449 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 12:39:48,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:39:48 BoogieIcfgContainer [2019-10-03 12:39:48,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:39:48,451 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:39:48,451 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:39:48,452 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:39:48,453 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:39:48" (1/1) ... [2019-10-03 12:39:48,485 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:39:48,763 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:39:48,783 INFO L272 AbstractInterpreter]: Visited 16 different actions 16 times. Never merged. Never widened. Performed 13 root evaluator evaluations with a maximum evaluation depth of 15. Performed 13 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Never found a fixpoint. Largest state had 6 variables. [2019-10-03 12:39:48,784 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:39:48,788 INFO L168 Benchmark]: Toolchain (without parser) took 1026.51 ms. Allocated memory was 140.5 MB in the beginning and 198.7 MB in the end (delta: 58.2 MB). Free memory was 87.9 MB in the beginning and 149.2 MB in the end (delta: -61.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 12:39:48,789 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:39:48,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.41 ms. Allocated memory is still 140.5 MB. Free memory was 87.7 MB in the beginning and 78.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:48,791 INFO L168 Benchmark]: Boogie Preprocessor took 127.83 ms. Allocated memory was 140.5 MB in the beginning and 198.7 MB in the end (delta: 58.2 MB). Free memory was 78.0 MB in the beginning and 176.2 MB in the end (delta: -98.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:48,792 INFO L168 Benchmark]: RCFGBuilder took 244.94 ms. Allocated memory is still 198.7 MB. Free memory was 176.2 MB in the beginning and 164.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:48,793 INFO L168 Benchmark]: Abstract Interpretation took 332.61 ms. Allocated memory is still 198.7 MB. Free memory was 164.0 MB in the beginning and 149.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:48,797 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 316.41 ms. Allocated memory is still 140.5 MB. Free memory was 87.7 MB in the beginning and 78.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.83 ms. Allocated memory was 140.5 MB in the beginning and 198.7 MB in the end (delta: 58.2 MB). Free memory was 78.0 MB in the beginning and 176.2 MB in the end (delta: -98.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 244.94 ms. Allocated memory is still 198.7 MB. Free memory was 176.2 MB in the beginning and 164.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 332.61 ms. Allocated memory is still 198.7 MB. Free memory was 164.0 MB in the beginning and 149.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 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(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 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...