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/loop-crafted/simple_vardep_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:38:07,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:38:07,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:38:07,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:38:07,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:38:07,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:38:07,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:38:07,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:38:07,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:38:07,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:38:07,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:38:07,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:38:07,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:38:07,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:38:07,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:38:07,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:38:07,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:38:07,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:38:07,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:38:07,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:38:07,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:38:07,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:38:07,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:38:07,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:38:07,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:38:07,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:38:07,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:38:07,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:38:07,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:38:07,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:38:07,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:38:07,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:38:07,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 12:38:07,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 12:38:07,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 12:38:07,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 12:38:07,079 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 12:38:07,094 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:38:07,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:38:07,094 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:38:07,095 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:38:07,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:38:07,095 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:38:07,096 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:38:07,096 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:38:07,096 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:38:07,096 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:38:07,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:38:07,097 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:38:07,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:38:07,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:38:07,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:38:07,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:38:07,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:38:07,098 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:38:07,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:38:07,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:38:07,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:38:07,099 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:38:07,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:38:07,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:38:07,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:38:07,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:38:07,100 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:38:07,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:38:07,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:38:07,101 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:38:07,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:38:07,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:38:07,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:38:07,144 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:38:07,145 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:38:07,145 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_1.c [2019-10-03 12:38:07,203 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0311ea6/e8efd8317ee9464f89932311db75577d/FLAGcd75e00ec [2019-10-03 12:38:07,632 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:38:07,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_1.c [2019-10-03 12:38:07,639 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0311ea6/e8efd8317ee9464f89932311db75577d/FLAGcd75e00ec [2019-10-03 12:38:08,031 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0311ea6/e8efd8317ee9464f89932311db75577d [2019-10-03 12:38:08,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:38:08,044 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:38:08,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:08,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:38:08,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:38:08,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:08" (1/1) ... [2019-10-03 12:38:08,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616dfd38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:08, skipping insertion in model container [2019-10-03 12:38:08,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:08" (1/1) ... [2019-10-03 12:38:08,060 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:38:08,076 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:38:08,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:08,273 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:38:08,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:08,297 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:38:08,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:08 WrapperNode [2019-10-03 12:38:08,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:08,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:38:08,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:38:08,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:38:08,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:08" (1/1) ... [2019-10-03 12:38:08,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:08" (1/1) ... [2019-10-03 12:38:08,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:08" (1/1) ... [2019-10-03 12:38:08,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:08" (1/1) ... [2019-10-03 12:38:08,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:08" (1/1) ... [2019-10-03 12:38:08,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:08" (1/1) ... [2019-10-03 12:38:08,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:08" (1/1) ... [2019-10-03 12:38:08,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:38:08,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:38:08,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:38:08,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:38:08,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:08" (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 12:38:08,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:38:08,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:38:08,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-03 12:38:08,473 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:38:08,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:38:08,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-03 12:38:08,474 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:38:08,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:38:08,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:38:08,622 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:38:08,622 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 12:38:08,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:38:08 BoogieIcfgContainer [2019-10-03 12:38:08,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:38:08,624 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:38:08,625 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:38:08,625 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:38:08,625 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:38:08" (1/1) ... [2019-10-03 12:38:08,651 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:38:08,715 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-03 12:38:08,863 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:38:08,882 INFO L272 AbstractInterpreter]: Visited 19 different actions 84 times. Merged at 4 different actions 20 times. Widened at 1 different actions 3 times. Performed 98 root evaluator evaluations with a maximum evaluation depth of 7. Performed 98 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 6 fixpoints after 2 different actions. Largest state had 4 variables. [2019-10-03 12:38:08,883 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:38:08,886 INFO L168 Benchmark]: Toolchain (without parser) took 840.55 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 87.0 MB in the beginning and 153.9 MB in the end (delta: -66.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 12:38:08,887 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:38:08,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.22 ms. Allocated memory is still 140.5 MB. Free memory was 86.8 MB in the beginning and 77.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:08,889 INFO L168 Benchmark]: Boogie Preprocessor took 115.96 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 77.5 MB in the beginning and 178.2 MB in the end (delta: -100.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:08,890 INFO L168 Benchmark]: RCFGBuilder took 209.08 ms. Allocated memory is still 200.3 MB. Free memory was 178.2 MB in the beginning and 167.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:08,891 INFO L168 Benchmark]: Abstract Interpretation took 258.43 ms. Allocated memory is still 200.3 MB. Free memory was 167.4 MB in the beginning and 153.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:08,895 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 253.22 ms. Allocated memory is still 140.5 MB. Free memory was 86.8 MB in the beginning and 77.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.96 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 77.5 MB in the beginning and 178.2 MB in the end (delta: -100.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 209.08 ms. Allocated memory is still 200.3 MB. Free memory was 178.2 MB in the beginning and 167.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 258.43 ms. Allocated memory is still 200.3 MB. Free memory was 167.4 MB in the beginning and 153.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 8]: 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: [L15] unsigned int i = 0; [L16] unsigned int j = 0; [L17] unsigned int k = 0; [L19] COND TRUE k < 0x0fffffff [L20] i = i + 1 [L21] j = j + 2 [L22] k = k + 3 [L24] CALL __VERIFIER_assert(k == (i + j)) [L7] COND TRUE !(cond) [L8] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...