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/loops-crafted-1/nested3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 13:36:00,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 13:36:00,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 13:36:00,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-05 13:36:00,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 13:36:00,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 13:36:00,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 13:36:00,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 13:36:00,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 13:36:00,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 13:36:00,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 13:36:00,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 13:36:00,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 13:36:01,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 13:36:01,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 13:36:01,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 13:36:01,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 13:36:01,015 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 13:36:01,030 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 13:36:01,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 13:36:01,031 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-05 13:36:01,031 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-05 13:36:01,031 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-05 13:36:01,032 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-05 13:36:01,032 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-05 13:36:01,032 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-05 13:36:01,032 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-05 13:36:01,033 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-05 13:36:01,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 13:36:01,033 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 13:36:01,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 13:36:01,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 13:36:01,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 13:36:01,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 13:36:01,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 13:36:01,035 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 13:36:01,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 13:36:01,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 13:36:01,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 13:36:01,036 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-05 13:36:01,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 13:36:01,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 13:36:01,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 13:36:01,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 13:36:01,037 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-05 13:36:01,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 13:36:01,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 13:36:01,037 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-05 13:36:01,067 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 13:36:01,079 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 13:36:01,083 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 13:36:01,084 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 13:36:01,085 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 13:36:01,086 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested3-1.c [2019-09-05 13:36:01,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1005a249/a8e732a43dae4790911201bd8cdfad5b/FLAGc15bf312d [2019-09-05 13:36:01,595 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 13:36:01,595 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-1.c [2019-09-05 13:36:01,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1005a249/a8e732a43dae4790911201bd8cdfad5b/FLAGc15bf312d [2019-09-05 13:36:01,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1005a249/a8e732a43dae4790911201bd8cdfad5b [2019-09-05 13:36:01,953 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 13:36:01,954 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 13:36:01,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 13:36:01,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 13:36:01,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 13:36:01,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:36:01" (1/1) ... [2019-09-05 13:36:01,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122e0d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:01, skipping insertion in model container [2019-09-05 13:36:01,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:36:01" (1/1) ... [2019-09-05 13:36:01,973 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 13:36:01,995 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 13:36:02,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:36:02,220 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 13:36:02,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:36:02,249 INFO L192 MainTranslator]: Completed translation [2019-09-05 13:36:02,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:02 WrapperNode [2019-09-05 13:36:02,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 13:36:02,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 13:36:02,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 13:36:02,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 13:36:02,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:02" (1/1) ... [2019-09-05 13:36:02,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:02" (1/1) ... [2019-09-05 13:36:02,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:02" (1/1) ... [2019-09-05 13:36:02,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:02" (1/1) ... [2019-09-05 13:36:02,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:02" (1/1) ... [2019-09-05 13:36:02,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:02" (1/1) ... [2019-09-05 13:36:02,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:02" (1/1) ... [2019-09-05 13:36:02,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 13:36:02,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 13:36:02,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 13:36:02,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 13:36:02,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:02" (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 13:36:02,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 13:36:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 13:36:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 13:36:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 13:36:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 13:36:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 13:36:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 13:36:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 13:36:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 13:36:02,656 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 13:36:02,656 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-05 13:36:02,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:36:02 BoogieIcfgContainer [2019-09-05 13:36:02,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 13:36:02,659 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-05 13:36:02,659 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-05 13:36:02,659 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-05 13:36:02,660 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:36:02" (1/1) ... [2019-09-05 13:36:02,690 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-05 13:36:02,758 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-05 13:36:05,765 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-05 13:36:05,786 INFO L272 AbstractInterpreter]: Visited 31 different actions 546 times. Merged at 12 different actions 134 times. Widened at 5 different actions 34 times. Performed 763 root evaluator evaluations with a maximum evaluation depth of 12. Performed 763 inverse root evaluator evaluations with a maximum inverse evaluation depth of 12. Found 44 fixpoints after 6 different actions. Largest state had 8 variables. [2019-09-05 13:36:05,787 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-05 13:36:05,790 INFO L168 Benchmark]: Toolchain (without parser) took 3834.39 ms. Allocated memory was 129.5 MB in the beginning and 487.1 MB in the end (delta: 357.6 MB). Free memory was 85.0 MB in the beginning and 250.2 MB in the end (delta: -165.2 MB). Peak memory consumption was 192.4 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:05,792 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 129.5 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 13:36:05,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.15 ms. Allocated memory is still 129.5 MB. Free memory was 84.8 MB in the beginning and 75.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:05,794 INFO L168 Benchmark]: Boogie Preprocessor took 122.75 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 75.5 MB in the beginning and 173.9 MB in the end (delta: -98.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:05,795 INFO L168 Benchmark]: RCFGBuilder took 284.77 ms. Allocated memory is still 197.7 MB. Free memory was 173.9 MB in the beginning and 161.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:05,796 INFO L168 Benchmark]: Abstract Interpretation took 3128.46 ms. Allocated memory was 197.7 MB in the beginning and 487.1 MB in the end (delta: 289.4 MB). Free memory was 161.1 MB in the beginning and 250.2 MB in the end (delta: -89.1 MB). Peak memory consumption was 200.3 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:05,801 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 129.5 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 293.15 ms. Allocated memory is still 129.5 MB. Free memory was 84.8 MB in the beginning and 75.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.75 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 75.5 MB in the beginning and 173.9 MB in the end (delta: -98.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 284.77 ms. Allocated memory is still 197.7 MB. Free memory was 173.9 MB in the beginning and 161.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 3128.46 ms. Allocated memory was 197.7 MB in the beginning and 487.1 MB in the end (delta: 289.4 MB). Free memory was 161.1 MB in the beginning and 250.2 MB in the end (delta: -89.1 MB). Peak memory consumption was 200.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 5]: 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: [L11] unsigned int x = 0; [L12] unsigned int y = 0; [L13] unsigned int z = 0; [L14] unsigned int w = 0; [L16] COND FALSE !(x < 0x0fffffff) [L31] CALL __VERIFIER_assert(x % 2) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...