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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loop-crafted/simple_vardep_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:43:58,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:43:58,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:43:58,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:43:58,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:43:58,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:43:58,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:43:58,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:43:58,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:43:58,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:43:58,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:43:58,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:43:58,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:43:58,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:43:58,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:43:58,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:43:58,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:43:58,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:43:58,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:43:58,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:43:58,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:43:58,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:43:58,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:43:58,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:43:58,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:43:58,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:43:58,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:43:58,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:43:58,872 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 04:43:58,890 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:43:58,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:43:58,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:43:58,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:43:58,891 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:43:58,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:43:58,892 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:43:58,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:43:58,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:43:58,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:43:58,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:43:58,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:43:58,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:43:58,893 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:43:58,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:43:58,894 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:43:58,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:43:58,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:43:58,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:43:58,895 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:43:58,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:43:58,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:43:58,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:43:58,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:43:58,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:43:58,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:43:58,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:43:58,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:43:58,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:43:59,151 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:43:59,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:43:59,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:43:59,174 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:43:59,175 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:43:59,176 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_1.c [2019-10-15 04:43:59,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/622e09954/d9ee736771ab44388b3484cc9d10ad55/FLAG92aef66df [2019-10-15 04:43:59,701 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:43:59,702 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_1.c [2019-10-15 04:43:59,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/622e09954/d9ee736771ab44388b3484cc9d10ad55/FLAG92aef66df [2019-10-15 04:44:00,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/622e09954/d9ee736771ab44388b3484cc9d10ad55 [2019-10-15 04:44:00,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:00,075 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:00,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:00,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:00,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:00,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:00" (1/1) ... [2019-10-15 04:44:00,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f096a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:00, skipping insertion in model container [2019-10-15 04:44:00,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:00" (1/1) ... [2019-10-15 04:44:00,092 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:00,106 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:00,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:00,295 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:00,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:00,318 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:00,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:00 WrapperNode [2019-10-15 04:44:00,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:00,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:00,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:00,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:00,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:00" (1/1) ... [2019-10-15 04:44:00,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:00" (1/1) ... [2019-10-15 04:44:00,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:00" (1/1) ... [2019-10-15 04:44:00,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:00" (1/1) ... [2019-10-15 04:44:00,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:00" (1/1) ... [2019-10-15 04:44:00,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:00" (1/1) ... [2019-10-15 04:44:00,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:00" (1/1) ... [2019-10-15 04:44:00,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:00,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:00,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:00,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:00,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:00" (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 [2019-10-15 04:44:00,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:00,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:00,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:00,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:00,620 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:00,620 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:44:00,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:00 BoogieIcfgContainer [2019-10-15 04:44:00,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:00,623 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:00,623 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:00,623 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:00,624 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:00" (1/1) ... [2019-10-15 04:44:00,653 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:00,716 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-15 04:44:00,871 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:00,896 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. [2019-10-15 04:44:00,896 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:00,899 INFO L168 Benchmark]: Toolchain (without parser) took 822.69 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 99.9 MB in the beginning and 154.9 MB in the end (delta: -55.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:00,900 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory is still 117.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:44:00,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.46 ms. Allocated memory is still 136.3 MB. Free memory was 99.9 MB in the beginning and 90.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:00,903 INFO L168 Benchmark]: Boogie Preprocessor took 101.90 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 90.4 MB in the beginning and 179.4 MB in the end (delta: -88.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:00,904 INFO L168 Benchmark]: RCFGBuilder took 200.66 ms. Allocated memory is still 200.3 MB. Free memory was 179.4 MB in the beginning and 168.8 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:00,905 INFO L168 Benchmark]: Abstract Interpretation took 273.61 ms. Allocated memory is still 200.3 MB. Free memory was 168.8 MB in the beginning and 154.9 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:00,917 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory is still 117.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 242.46 ms. Allocated memory is still 136.3 MB. Free memory was 99.9 MB in the beginning and 90.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.90 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 90.4 MB in the beginning and 179.4 MB in the end (delta: -88.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 200.66 ms. Allocated memory is still 200.3 MB. Free memory was 179.4 MB in the beginning and 168.8 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 273.61 ms. Allocated memory is still 200.3 MB. Free memory was 168.8 MB in the beginning and 154.9 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 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...