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 0.1.24-673a906-m [2019-10-03 12:39:42,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:39:42,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:39:42,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:39:42,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:39:42,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:39:42,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:39:42,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:39:42,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:39:42,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:39:42,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:39:42,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:39:42,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:39:42,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:39:42,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:39:42,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:39:42,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:39:42,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:39:42,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:39:42,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:39:42,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:39:42,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:39:42,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:39:42,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:39:42,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:39:42,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:39:42,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:39:42,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:39:42,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:39:42,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:39:42,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:39:42,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:39:42,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 12:39:42,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 12:39:42,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 12:39:42,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 12:39:42,576 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 12:39:42,595 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:39:42,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:39:42,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:39:42,596 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:39:42,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:39:42,597 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:39:42,597 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:39:42,598 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:39:42,598 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:39:42,598 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:39:42,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:39:42,599 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:39:42,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:39:42,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:39:42,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:39:42,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:39:42,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:39:42,600 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:39:42,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:39:42,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:39:42,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:39:42,601 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:39:42,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:39:42,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:39:42,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:39:42,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:39:42,602 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:39:42,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:39:42,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:39:42,603 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:39:42,638 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:39:42,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:39:42,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:39:42,655 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:39:42,655 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:39:42,656 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/ps3.c [2019-10-03 12:39:42,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b927bf98/d3ec7dfbf6044b898b8638a7f9194861/FLAG588cecf53 [2019-10-03 12:39:43,219 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:39:43,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/ps3.c [2019-10-03 12:39:43,227 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b927bf98/d3ec7dfbf6044b898b8638a7f9194861/FLAG588cecf53 [2019-10-03 12:39:43,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b927bf98/d3ec7dfbf6044b898b8638a7f9194861 [2019-10-03 12:39:43,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:39:43,585 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:39:43,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:39:43,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:39:43,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:39:43,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:39:43" (1/1) ... [2019-10-03 12:39:43,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f2c9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:43, skipping insertion in model container [2019-10-03 12:39:43,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:39:43" (1/1) ... [2019-10-03 12:39:43,605 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:39:43,622 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:39:43,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:39:43,825 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:39:43,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:39:43,867 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:39:43,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:43 WrapperNode [2019-10-03 12:39:43,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:39:43,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:39:43,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:39:43,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:39:43,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:43" (1/1) ... [2019-10-03 12:39:43,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:43" (1/1) ... [2019-10-03 12:39:43,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:43" (1/1) ... [2019-10-03 12:39:43,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:43" (1/1) ... [2019-10-03 12:39:43,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:43" (1/1) ... [2019-10-03 12:39:43,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:43" (1/1) ... [2019-10-03 12:39:43,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:43" (1/1) ... [2019-10-03 12:39:43,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:39:43,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:39:43,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:39:43,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:39:43,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:43" (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 12:39:44,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:39:44,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:39:44,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-03 12:39:44,050 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:39:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:39:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:39:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 12:39:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-03 12:39:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:39:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:39:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:39:44,215 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:39:44,215 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 12:39:44,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:39:44 BoogieIcfgContainer [2019-10-03 12:39:44,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:39:44,218 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:39:44,218 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:39:44,218 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:39:44,219 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:39:44" (1/1) ... [2019-10-03 12:39:44,256 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:39:44,458 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:39:44,476 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. [2019-10-03 12:39:44,476 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:39:44,479 INFO L168 Benchmark]: Toolchain (without parser) took 892.75 ms. Allocated memory was 130.0 MB in the beginning and 197.7 MB in the end (delta: 67.6 MB). Free memory was 85.6 MB in the beginning and 152.9 MB in the end (delta: -67.3 MB). Peak memory consumption was 360.5 kB. Max. memory is 7.1 GB. [2019-10-03 12:39:44,480 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 130.0 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:39:44,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.28 ms. Allocated memory is still 130.0 MB. Free memory was 85.2 MB in the beginning and 75.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:44,483 INFO L168 Benchmark]: Boogie Preprocessor took 124.07 ms. Allocated memory was 130.0 MB in the beginning and 197.7 MB in the end (delta: 67.6 MB). Free memory was 75.8 MB in the beginning and 173.9 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:44,485 INFO L168 Benchmark]: RCFGBuilder took 223.95 ms. Allocated memory is still 197.7 MB. Free memory was 173.9 MB in the beginning and 162.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:44,486 INFO L168 Benchmark]: Abstract Interpretation took 258.57 ms. Allocated memory is still 197.7 MB. Free memory was 162.4 MB in the beginning and 152.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:44,492 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 130.0 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 282.28 ms. Allocated memory is still 130.0 MB. Free memory was 85.2 MB in the beginning and 75.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.07 ms. Allocated memory was 130.0 MB in the beginning and 197.7 MB in the end (delta: 67.6 MB). Free memory was 75.8 MB in the beginning and 173.9 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 223.95 ms. Allocated memory is still 197.7 MB. Free memory was 173.9 MB in the beginning and 162.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 258.57 ms. Allocated memory is still 197.7 MB. Free memory was 162.4 MB in the beginning and 152.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 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...