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-invariants/odd.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:14:16,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:14:16,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:14:16,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-11 16:14:16,559 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 [2019-09-11 16:14:16,574 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:14:16,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:14:16,575 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:14:16,575 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:14:16,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:14:16,576 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:14:16,576 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:14:16,576 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:14:16,576 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:14:16,577 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:14:16,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:14:16,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:14:16,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:14:16,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:14:16,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:14:16,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:14:16,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:14:16,579 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:14:16,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:14:16,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:14:16,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:14:16,579 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:14:16,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:14:16,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:14:16,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:14:16,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:14:16,581 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:14:16,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:14:16,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:14:16,581 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:14:16,629 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:14:16,647 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:14:16,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:14:16,653 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:14:16,654 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:14:16,655 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invariants/odd.c [2019-09-11 16:14:16,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c22b301d/04cc74ba02b14987b4871a6069ae513b/FLAGb84b17d87 [2019-09-11 16:14:17,198 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:14:17,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/odd.c [2019-09-11 16:14:17,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c22b301d/04cc74ba02b14987b4871a6069ae513b/FLAGb84b17d87 [2019-09-11 16:14:17,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c22b301d/04cc74ba02b14987b4871a6069ae513b [2019-09-11 16:14:17,625 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:14:17,626 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:14:17,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:14:17,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:14:17,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:14:17,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:14:17" (1/1) ... [2019-09-11 16:14:17,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c69540a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:17, skipping insertion in model container [2019-09-11 16:14:17,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:14:17" (1/1) ... [2019-09-11 16:14:17,644 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:14:17,657 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:14:17,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:14:17,837 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:14:17,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:14:17,862 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:14:17,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:17 WrapperNode [2019-09-11 16:14:17,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:14:17,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:14:17,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:14:17,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:14:17,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:17" (1/1) ... [2019-09-11 16:14:17,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:17" (1/1) ... [2019-09-11 16:14:17,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:17" (1/1) ... [2019-09-11 16:14:17,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:17" (1/1) ... [2019-09-11 16:14:17,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:17" (1/1) ... [2019-09-11 16:14:17,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:17" (1/1) ... [2019-09-11 16:14:17,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:17" (1/1) ... [2019-09-11 16:14:17,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:14:17,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:14:17,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:14:17,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:14:17,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:17" (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 [2019-09-11 16:14:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:14:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:14:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-11 16:14:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:14:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:14:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 16:14:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-11 16:14:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:14:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:14:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:14:18,212 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:14:18,213 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 16:14:18,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:14:18 BoogieIcfgContainer [2019-09-11 16:14:18,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:14:18,215 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:14:18,215 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:14:18,215 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:14:18,216 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:14:18" (1/1) ... [2019-09-11 16:14:18,246 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:14:18,343 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 16:14:19,875 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:14:19,896 INFO L272 AbstractInterpreter]: Visited 21 different actions 126 times. Merged at 6 different actions 42 times. Widened at 1 different actions 3 times. Performed 161 root evaluator evaluations with a maximum evaluation depth of 12. Performed 161 inverse root evaluator evaluations with a maximum inverse evaluation depth of 12. Found 8 fixpoints after 2 different actions. Largest state had 3 variables. [2019-09-11 16:14:19,896 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:14:19,901 INFO L168 Benchmark]: Toolchain (without parser) took 2271.58 ms. Allocated memory was 141.0 MB in the beginning and 309.3 MB in the end (delta: 168.3 MB). Free memory was 87.4 MB in the beginning and 260.7 MB in the end (delta: -173.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:14:19,904 INFO L168 Benchmark]: CDTParser took 1.19 ms. Allocated memory is still 141.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:14:19,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.71 ms. Allocated memory is still 141.0 MB. Free memory was 87.2 MB in the beginning and 78.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:14:19,907 INFO L168 Benchmark]: Boogie Preprocessor took 118.17 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 78.2 MB in the beginning and 176.8 MB in the end (delta: -98.5 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:14:19,909 INFO L168 Benchmark]: RCFGBuilder took 232.16 ms. Allocated memory is still 200.3 MB. Free memory was 176.8 MB in the beginning and 166.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-09-11 16:14:19,911 INFO L168 Benchmark]: Abstract Interpretation took 1681.56 ms. Allocated memory was 200.3 MB in the beginning and 309.3 MB in the end (delta: 109.1 MB). Free memory was 166.2 MB in the beginning and 260.7 MB in the end (delta: -94.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2019-09-11 16:14:19,923 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19 ms. Allocated memory is still 141.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 235.71 ms. Allocated memory is still 141.0 MB. Free memory was 87.2 MB in the beginning and 78.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.17 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 78.2 MB in the beginning and 176.8 MB in the end (delta: -98.5 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 232.16 ms. Allocated memory is still 200.3 MB. Free memory was 176.8 MB in the beginning and 166.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1681.56 ms. Allocated memory was 200.3 MB in the beginning and 309.3 MB in the end (delta: 109.1 MB). Free memory was 166.2 MB in the beginning and 260.7 MB in the end (delta: -94.5 MB). Peak memory consumption was 14.6 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: [L10] unsigned int x = 1; [L11] COND FALSE !(__VERIFIER_nondet_int()) [L14] 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...