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-new/count_by_2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:26:55,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:26:55,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:26:56,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:26:56,048 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 [2019-09-03 21:26:56,063 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:26:56,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:26:56,064 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:26:56,064 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:26:56,065 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:26:56,065 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:26:56,065 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:26:56,065 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:26:56,066 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:26:56,066 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:26:56,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:26:56,067 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:26:56,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:26:56,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:26:56,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:26:56,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:26:56,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:26:56,068 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:26:56,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:26:56,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:26:56,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:26:56,069 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:26:56,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:26:56,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:26:56,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:26:56,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:26:56,070 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:26:56,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:26:56,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:26:56,070 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:26:56,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:26:56,116 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:26:56,122 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:26:56,123 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:26:56,124 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:26:56,125 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/count_by_2.i [2019-09-03 21:26:56,202 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b0bf15fb/44d34cd3537d4a5b9fe4512f5f7f817f/FLAGa5bc2f89c [2019-09-03 21:26:56,667 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:26:56,667 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/count_by_2.i [2019-09-03 21:26:56,674 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b0bf15fb/44d34cd3537d4a5b9fe4512f5f7f817f/FLAGa5bc2f89c [2019-09-03 21:26:57,024 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b0bf15fb/44d34cd3537d4a5b9fe4512f5f7f817f [2019-09-03 21:26:57,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:26:57,035 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:26:57,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:57,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:26:57,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:26:57,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:57" (1/1) ... [2019-09-03 21:26:57,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb73d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:57, skipping insertion in model container [2019-09-03 21:26:57,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:57" (1/1) ... [2019-09-03 21:26:57,054 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:26:57,072 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:26:57,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:57,236 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:26:57,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:57,267 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:26:57,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:57 WrapperNode [2019-09-03 21:26:57,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:57,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:26:57,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:26:57,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:26:57,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:57" (1/1) ... [2019-09-03 21:26:57,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:57" (1/1) ... [2019-09-03 21:26:57,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:57" (1/1) ... [2019-09-03 21:26:57,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:57" (1/1) ... [2019-09-03 21:26:57,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:57" (1/1) ... [2019-09-03 21:26:57,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:57" (1/1) ... [2019-09-03 21:26:57,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:57" (1/1) ... [2019-09-03 21:26:57,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:26:57,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:26:57,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:26:57,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:26:57,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:57" (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 [2019-09-03 21:26:57,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:26:57,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:26:57,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:26:57,461 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:26:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:26:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 21:26:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:26:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:26:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:26:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:26:57,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:26:57,593 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:26:57,593 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 21:26:57,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:57 BoogieIcfgContainer [2019-09-03 21:26:57,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:26:57,596 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:26:57,596 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:26:57,596 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:26:57,597 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:57" (1/1) ... [2019-09-03 21:26:57,619 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:26:57,771 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:26:57,804 INFO L272 AbstractInterpreter]: Visited 21 different actions 55 times. Merged at 6 different actions 15 times. Widened at 1 different actions 2 times. Performed 63 root evaluator evaluations with a maximum evaluation depth of 6. Performed 63 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 2 fixpoints after 2 different actions. Largest state had 2 variables. [2019-09-03 21:26:57,805 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:26:57,807 INFO L168 Benchmark]: Toolchain (without parser) took 771.18 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 85.1 MB in the beginning and 158.3 MB in the end (delta: -73.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-03 21:26:57,809 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 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. [2019-09-03 21:26:57,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.59 ms. Allocated memory is still 138.9 MB. Free memory was 84.9 MB in the beginning and 75.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:57,811 INFO L168 Benchmark]: Boogie Preprocessor took 124.82 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 75.8 MB in the beginning and 177.9 MB in the end (delta: -102.1 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:57,812 INFO L168 Benchmark]: RCFGBuilder took 201.09 ms. Allocated memory is still 199.2 MB. Free memory was 177.9 MB in the beginning and 167.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:57,812 INFO L168 Benchmark]: Abstract Interpretation took 209.19 ms. Allocated memory is still 199.2 MB. Free memory was 167.6 MB in the beginning and 158.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:57,816 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.9 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 231.59 ms. Allocated memory is still 138.9 MB. Free memory was 84.9 MB in the beginning and 75.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.82 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 75.8 MB in the beginning and 177.9 MB in the end (delta: -102.1 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 201.09 ms. Allocated memory is still 199.2 MB. Free memory was 177.9 MB in the beginning and 167.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 209.19 ms. Allocated memory is still 199.2 MB. Free memory was 167.6 MB in the beginning and 158.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 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] int i; [L12] i = 0 [L12] COND TRUE i < 1000000 [L12] i += 2 [L12] COND TRUE i < 1000000 [L12] i += 2 [L12] COND TRUE i < 1000000 [L12] i += 2 [L12] COND TRUE i < 1000000 [L12] i += 2 [L12] COND TRUE i < 1000000 [L12] i += 2 [L12] COND FALSE !(i < 1000000) [L13] CALL __VERIFIER_assert(i == 1000000) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...