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 0.1.24-0883e75 [2019-09-05 13:36:25,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 13:36:25,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 13:36:25,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 13:36:25,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 13:36:25,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 13:36:25,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 13:36:25,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 13:36:25,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 13:36:25,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 13:36:25,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 13:36:25,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 13:36:25,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 13:36:25,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 13:36:25,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 13:36:25,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 13:36:25,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 13:36:25,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 13:36:25,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 13:36:25,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 13:36:25,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 13:36:25,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 13:36:25,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 13:36:25,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 13:36:25,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 13:36:25,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 13:36:25,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 13:36:25,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 13:36:25,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 13:36:25,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 13:36:25,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 13:36:25,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 13:36:25,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 13:36:25,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 13:36:25,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 13:36:25,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 13:36:25,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 13:36:25,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 13:36:25,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 13:36:25,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 13:36:25,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 13:36:25,881 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 [2019-09-05 13:36:25,902 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 13:36:25,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 13:36:25,906 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-05 13:36:25,906 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-05 13:36:25,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-05 13:36:25,907 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-05 13:36:25,908 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-05 13:36:25,908 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-05 13:36:25,908 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-05 13:36:25,908 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-05 13:36:25,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 13:36:25,911 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 13:36:25,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 13:36:25,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 13:36:25,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 13:36:25,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 13:36:25,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 13:36:25,913 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 13:36:25,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 13:36:25,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 13:36:25,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 13:36:25,914 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-05 13:36:25,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 13:36:25,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 13:36:25,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 13:36:25,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 13:36:25,915 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-05 13:36:25,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 13:36:25,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 13:36:25,916 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-05 13:36:25,975 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 13:36:25,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 13:36:25,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 13:36:25,999 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 13:36:26,000 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 13:36:26,001 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/ps4.c [2019-09-05 13:36:26,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30a5f6de5/53f01c109e92427d825523c322ea24f4/FLAG860e58563 [2019-09-05 13:36:26,552 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 13:36:26,553 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/ps4.c [2019-09-05 13:36:26,559 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30a5f6de5/53f01c109e92427d825523c322ea24f4/FLAG860e58563 [2019-09-05 13:36:26,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30a5f6de5/53f01c109e92427d825523c322ea24f4 [2019-09-05 13:36:26,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 13:36:26,932 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 13:36:26,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 13:36:26,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 13:36:26,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 13:36:26,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:36:26" (1/1) ... [2019-09-05 13:36:26,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ff144e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:26, skipping insertion in model container [2019-09-05 13:36:26,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:36:26" (1/1) ... [2019-09-05 13:36:26,947 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 13:36:26,964 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 13:36:27,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:36:27,145 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 13:36:27,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:36:27,182 INFO L192 MainTranslator]: Completed translation [2019-09-05 13:36:27,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:27 WrapperNode [2019-09-05 13:36:27,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 13:36:27,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 13:36:27,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 13:36:27,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 13:36:27,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:27" (1/1) ... [2019-09-05 13:36:27,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:27" (1/1) ... [2019-09-05 13:36:27,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:27" (1/1) ... [2019-09-05 13:36:27,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:27" (1/1) ... [2019-09-05 13:36:27,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:27" (1/1) ... [2019-09-05 13:36:27,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:27" (1/1) ... [2019-09-05 13:36:27,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:27" (1/1) ... [2019-09-05 13:36:27,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 13:36:27,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 13:36:27,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 13:36:27,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 13:36:27,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:27" (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 [2019-09-05 13:36:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 13:36:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 13:36:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 13:36:27,363 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 13:36:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 13:36:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 13:36:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 13:36:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 13:36:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 13:36:27,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 13:36:27,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 13:36:27,533 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 13:36:27,533 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 13:36:27,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:36:27 BoogieIcfgContainer [2019-09-05 13:36:27,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 13:36:27,536 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-05 13:36:27,536 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-05 13:36:27,536 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-05 13:36:27,537 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:36:27" (1/1) ... [2019-09-05 13:36:27,599 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-05 13:36:27,778 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-05 13:36:27,808 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. [2019-09-05 13:36:27,808 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-05 13:36:27,811 INFO L168 Benchmark]: Toolchain (without parser) took 878.07 ms. Allocated memory was 137.4 MB in the beginning and 197.1 MB in the end (delta: 59.8 MB). Free memory was 86.0 MB in the beginning and 152.5 MB in the end (delta: -66.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-05 13:36:27,812 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 13:36:27,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.91 ms. Allocated memory is still 137.4 MB. Free memory was 85.8 MB in the beginning and 76.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:27,814 INFO L168 Benchmark]: Boogie Preprocessor took 121.12 ms. Allocated memory was 137.4 MB in the beginning and 197.1 MB in the end (delta: 59.8 MB). Free memory was 76.4 MB in the beginning and 174.6 MB in the end (delta: -98.2 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:27,815 INFO L168 Benchmark]: RCFGBuilder took 229.92 ms. Allocated memory is still 197.1 MB. Free memory was 174.6 MB in the beginning and 163.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:27,816 INFO L168 Benchmark]: Abstract Interpretation took 272.27 ms. Allocated memory is still 197.1 MB. Free memory was 163.7 MB in the beginning and 152.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:27,820 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 137.4 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 250.91 ms. Allocated memory is still 137.4 MB. Free memory was 85.8 MB in the beginning and 76.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.12 ms. Allocated memory was 137.4 MB in the beginning and 197.1 MB in the end (delta: 59.8 MB). Free memory was 76.4 MB in the beginning and 174.6 MB in the end (delta: -98.2 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 229.92 ms. Allocated memory is still 197.1 MB. Free memory was 174.6 MB in the beginning and 163.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 272.27 ms. Allocated memory is still 197.1 MB. Free memory was 163.7 MB in the beginning and 152.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 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...