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-efa34d5 [2019-09-16 17:28:05,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:28:05,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:28:05,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:28:05,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:28:05,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:28:05,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:28:05,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:28:05,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:28:05,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:28:05,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:28:05,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:28:05,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:28:05,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:28:05,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:28:05,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:28:05,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:28:05,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:28:05,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:28:05,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:28:05,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:28:05,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:28:05,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:28:05,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:28:05,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:28:05,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:28:05,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:28:05,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:28:05,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:28:05,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:28:05,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:28:05,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:28:05,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:28:05,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:28:05,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:28:05,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:28:05,152 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 [2019-09-16 17:28:05,167 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:28:05,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:28:05,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:28:05,167 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:28:05,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:28:05,168 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:28:05,168 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:28:05,169 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:28:05,169 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:28:05,169 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:28:05,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:28:05,170 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:28:05,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:28:05,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:28:05,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:28:05,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:28:05,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:28:05,171 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:28:05,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:28:05,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:28:05,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:28:05,172 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:28:05,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:28:05,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:28:05,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:28:05,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:28:05,173 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:28:05,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:28:05,173 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:28:05,173 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:28:05,200 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:28:05,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:28:05,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:28:05,219 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:28:05,219 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:28:05,220 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/geo1.c [2019-09-16 17:28:05,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3eb8d199a/14c288d79c1444e7a606e109ba5b0181/FLAG814e4594c [2019-09-16 17:28:05,705 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:28:05,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/geo1.c [2019-09-16 17:28:05,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3eb8d199a/14c288d79c1444e7a606e109ba5b0181/FLAG814e4594c [2019-09-16 17:28:06,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3eb8d199a/14c288d79c1444e7a606e109ba5b0181 [2019-09-16 17:28:06,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:28:06,106 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:28:06,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:28:06,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:28:06,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:28:06,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:28:06" (1/1) ... [2019-09-16 17:28:06,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65342265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:06, skipping insertion in model container [2019-09-16 17:28:06,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:28:06" (1/1) ... [2019-09-16 17:28:06,121 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:28:06,135 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:28:06,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:28:06,317 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:28:06,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:28:06,347 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:28:06,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:06 WrapperNode [2019-09-16 17:28:06,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:28:06,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:28:06,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:28:06,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:28:06,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:06" (1/1) ... [2019-09-16 17:28:06,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:06" (1/1) ... [2019-09-16 17:28:06,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:06" (1/1) ... [2019-09-16 17:28:06,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:06" (1/1) ... [2019-09-16 17:28:06,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:06" (1/1) ... [2019-09-16 17:28:06,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:06" (1/1) ... [2019-09-16 17:28:06,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:06" (1/1) ... [2019-09-16 17:28:06,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:28:06,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:28:06,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:28:06,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:28:06,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:06" (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 [2019-09-16 17:28:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:28:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:28:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 17:28:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:28:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:28:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:28:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 17:28:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:28:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:28:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:28:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:28:06,703 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:28:06,704 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-16 17:28:06,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:28:06 BoogieIcfgContainer [2019-09-16 17:28:06,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:28:06,706 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:28:06,707 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:28:06,707 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:28:06,708 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:28:06" (1/1) ... [2019-09-16 17:28:06,759 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:28:07,205 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-16 17:28:07,239 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. [2019-09-16 17:28:07,239 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:28:07,250 INFO L168 Benchmark]: Toolchain (without parser) took 1140.24 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 86.9 MB in the beginning and 136.2 MB in the end (delta: -49.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:07,253 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:28:07,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.19 ms. Allocated memory is still 131.1 MB. Free memory was 86.7 MB in the beginning and 77.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:07,255 INFO L168 Benchmark]: Boogie Preprocessor took 118.98 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 77.3 MB in the beginning and 175.5 MB in the end (delta: -98.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:07,256 INFO L168 Benchmark]: RCFGBuilder took 238.31 ms. Allocated memory is still 199.2 MB. Free memory was 175.5 MB in the beginning and 163.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:07,257 INFO L168 Benchmark]: Abstract Interpretation took 537.59 ms. Allocated memory is still 199.2 MB. Free memory was 163.7 MB in the beginning and 136.2 MB in the end (delta: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:07,265 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 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 241.19 ms. Allocated memory is still 131.1 MB. Free memory was 86.7 MB in the beginning and 77.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.98 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 77.3 MB in the beginning and 175.5 MB in the end (delta: -98.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 238.31 ms. Allocated memory is still 199.2 MB. Free memory was 175.5 MB in the beginning and 163.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 537.59 ms. Allocated memory is still 199.2 MB. Free memory was 163.7 MB in the beginning and 136.2 MB in the end (delta: 27.5 MB). Peak memory consumption was 27.5 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...