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/geo1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:27:35,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:27:35,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:27:35,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:27:35,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 21:27:35,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 21:27:35,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 21:27:35,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 21:27:35,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 21:27:35,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 21:27:35,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 21:27:35,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 21:27:35,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 21:27:35,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 21:27:35,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 21:27:35,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 21:27:35,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 21:27:35,837 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 21:27:35,852 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:27:35,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:27:35,853 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:27:35,853 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:27:35,854 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:27:35,854 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:27:35,854 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:27:35,854 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:27:35,855 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:27:35,855 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:27:35,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:27:35,856 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:27:35,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:27:35,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:27:35,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:27:35,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:27:35,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:27:35,857 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:27:35,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:27:35,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:27:35,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:27:35,858 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:27:35,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:27:35,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:27:35,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:27:35,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:27:35,859 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:27:35,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:27:35,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:27:35,859 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:27:35,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:27:35,907 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:27:35,910 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:27:35,911 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:27:35,912 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:27:35,913 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/geo1.c [2019-09-03 21:27:35,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98862f701/09ce7518763842948dafd84fdd4ad163/FLAG38ebb3318 [2019-09-03 21:27:36,435 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:27:36,436 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/geo1.c [2019-09-03 21:27:36,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98862f701/09ce7518763842948dafd84fdd4ad163/FLAG38ebb3318 [2019-09-03 21:27:36,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98862f701/09ce7518763842948dafd84fdd4ad163 [2019-09-03 21:27:36,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:27:36,833 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:27:36,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:27:36,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:27:36,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:27:36,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:27:36" (1/1) ... [2019-09-03 21:27:36,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70464d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:36, skipping insertion in model container [2019-09-03 21:27:36,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:27:36" (1/1) ... [2019-09-03 21:27:36,850 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:27:36,872 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:27:37,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:27:37,045 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:27:37,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:27:37,073 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:27:37,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:37 WrapperNode [2019-09-03 21:27:37,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:27:37,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:27:37,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:27:37,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:27:37,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:37" (1/1) ... [2019-09-03 21:27:37,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:37" (1/1) ... [2019-09-03 21:27:37,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:37" (1/1) ... [2019-09-03 21:27:37,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:37" (1/1) ... [2019-09-03 21:27:37,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:37" (1/1) ... [2019-09-03 21:27:37,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:37" (1/1) ... [2019-09-03 21:27:37,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:37" (1/1) ... [2019-09-03 21:27:37,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:27:37,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:27:37,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:27:37,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:27:37,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:37" (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 21:27:37,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:27:37,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:27:37,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:27:37,256 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:27:37,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:27:37,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:27:37,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 21:27:37,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:27:37,257 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:27:37,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:27:37,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:27:37,446 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:27:37,446 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 21:27:37,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:27:37 BoogieIcfgContainer [2019-09-03 21:27:37,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:27:37,449 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:27:37,449 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:27:37,449 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:27:37,450 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:27:37" (1/1) ... [2019-09-03 21:27:37,479 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:27:37,950 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:27:37,978 INFO L272 AbstractInterpreter]: Visited 25 different actions 156 times. Merged at 8 different actions 40 times. Widened at 1 different actions 1 times. Performed 174 root evaluator evaluations with a maximum evaluation depth of 9. Performed 174 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 6 fixpoints after 2 different actions. Largest state had 8 variables. [2019-09-03 21:27:37,979 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:27:37,984 INFO L168 Benchmark]: Toolchain (without parser) took 1147.34 ms. Allocated memory was 142.1 MB in the beginning and 201.3 MB in the end (delta: 59.2 MB). Free memory was 89.8 MB in the beginning and 140.3 MB in the end (delta: -50.4 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:37,986 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:27:37,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.01 ms. Allocated memory is still 142.1 MB. Free memory was 89.6 MB in the beginning and 79.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:37,990 INFO L168 Benchmark]: Boogie Preprocessor took 125.20 ms. Allocated memory was 142.1 MB in the beginning and 201.3 MB in the end (delta: 59.2 MB). Free memory was 79.9 MB in the beginning and 178.9 MB in the end (delta: -99.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:37,992 INFO L168 Benchmark]: RCFGBuilder took 247.97 ms. Allocated memory is still 201.3 MB. Free memory was 178.9 MB in the beginning and 167.2 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:37,994 INFO L168 Benchmark]: Abstract Interpretation took 530.10 ms. Allocated memory is still 201.3 MB. Free memory was 167.2 MB in the beginning and 140.3 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:38,000 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 142.1 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 240.01 ms. Allocated memory is still 142.1 MB. Free memory was 89.6 MB in the beginning and 79.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.20 ms. Allocated memory was 142.1 MB in the beginning and 201.3 MB in the end (delta: 59.2 MB). Free memory was 79.9 MB in the beginning and 178.9 MB in the end (delta: -99.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 247.97 ms. Allocated memory is still 201.3 MB. Free memory was 178.9 MB in the beginning and 167.2 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 530.10 ms. Allocated memory is still 201.3 MB. Free memory was 167.2 MB in the beginning and 140.3 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 13]: 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: [L18] int z, k; [L19] int x, y, c; [L20] z = __VERIFIER_nondet_int() [L21] k = __VERIFIER_nondet_int() [L23] x = 1 [L24] y = z [L25] c = 1 [L27] COND TRUE 1 [L28] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) [L11] COND TRUE !(cond) [L13] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...