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-c6af20d [2019-09-03 21:27:26,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:27:26,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:27:26,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:27:26,608 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 21:27:26,639 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:27:26,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:27:26,640 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:27:26,640 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:27:26,641 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:27:26,641 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:27:26,642 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:27:26,642 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:27:26,642 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:27:26,642 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:27:26,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:27:26,645 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:27:26,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:27:26,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:27:26,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:27:26,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:27:26,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:27:26,646 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:27:26,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:27:26,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:27:26,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:27:26,647 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:27:26,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:27:26,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:27:26,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:27:26,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:27:26,648 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:27:26,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:27:26,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:27:26,649 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:27:26,680 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:27:26,692 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:27:26,696 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:27:26,697 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:27:26,698 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:27:26,698 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invariants/odd.c [2019-09-03 21:27:26,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70ee1498a/5bbaafe33fe54b7f95dc58dd04b9534b/FLAG7a1d1010c [2019-09-03 21:27:27,275 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:27:27,276 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/odd.c [2019-09-03 21:27:27,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70ee1498a/5bbaafe33fe54b7f95dc58dd04b9534b/FLAG7a1d1010c [2019-09-03 21:27:27,615 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70ee1498a/5bbaafe33fe54b7f95dc58dd04b9534b [2019-09-03 21:27:27,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:27:27,628 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:27:27,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:27:27,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:27:27,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:27:27,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:27:27" (1/1) ... [2019-09-03 21:27:27,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cb34f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:27, skipping insertion in model container [2019-09-03 21:27:27,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:27:27" (1/1) ... [2019-09-03 21:27:27,647 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:27:27,665 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:27:27,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:27:27,866 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:27:27,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:27:27,895 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:27:27,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:27 WrapperNode [2019-09-03 21:27:27,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:27:27,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:27:27,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:27:27,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:27:27,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:27" (1/1) ... [2019-09-03 21:27:27,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:27" (1/1) ... [2019-09-03 21:27:28,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:27" (1/1) ... [2019-09-03 21:27:28,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:27" (1/1) ... [2019-09-03 21:27:28,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:27" (1/1) ... [2019-09-03 21:27:28,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:27" (1/1) ... [2019-09-03 21:27:28,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:27" (1/1) ... [2019-09-03 21:27:28,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:27:28,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:27:28,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:27:28,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:27:28,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:27" (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 21:27:28,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:27:28,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:27:28,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:27:28,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:27:28,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:27:28,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:27:28,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:27:28,077 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:27:28,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:27:28,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:27:28,243 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:27:28,243 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 21:27:28,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:27:28 BoogieIcfgContainer [2019-09-03 21:27:28,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:27:28,246 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:27:28,247 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:27:28,247 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:27:28,248 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:27:28" (1/1) ... [2019-09-03 21:27:28,278 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:27:28,373 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-03 21:27:30,112 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:27:30,137 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. [2019-09-03 21:27:30,137 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:27:30,144 INFO L168 Benchmark]: Toolchain (without parser) took 2511.45 ms. Allocated memory was 136.3 MB in the beginning and 278.9 MB in the end (delta: 142.6 MB). Free memory was 84.2 MB in the beginning and 126.9 MB in the end (delta: -42.8 MB). Peak memory consumption was 99.8 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:30,145 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory is still 101.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-03 21:27:30,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.26 ms. Allocated memory is still 136.3 MB. Free memory was 83.7 MB in the beginning and 74.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:30,151 INFO L168 Benchmark]: Boogie Preprocessor took 124.21 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 74.7 MB in the beginning and 175.9 MB in the end (delta: -101.2 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:30,153 INFO L168 Benchmark]: RCFGBuilder took 223.45 ms. Allocated memory is still 197.7 MB. Free memory was 175.9 MB in the beginning and 165.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:30,155 INFO L168 Benchmark]: Abstract Interpretation took 1891.08 ms. Allocated memory was 197.7 MB in the beginning and 278.9 MB in the end (delta: 81.3 MB). Free memory was 163.9 MB in the beginning and 126.9 MB in the end (delta: 36.9 MB). Peak memory consumption was 118.2 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:30,167 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory is still 101.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 267.26 ms. Allocated memory is still 136.3 MB. Free memory was 83.7 MB in the beginning and 74.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.21 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 74.7 MB in the beginning and 175.9 MB in the end (delta: -101.2 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 223.45 ms. Allocated memory is still 197.7 MB. Free memory was 175.9 MB in the beginning and 165.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1891.08 ms. Allocated memory was 197.7 MB in the beginning and 278.9 MB in the end (delta: 81.3 MB). Free memory was 163.9 MB in the beginning and 126.9 MB in the end (delta: 36.9 MB). Peak memory consumption was 118.2 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...