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/loops/for_bounded_loop1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:12,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:12,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:12,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:47:12,594 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 [2019-09-20 13:47:12,624 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:12,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:12,625 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:12,625 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:12,626 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:12,626 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:12,626 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:12,627 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:12,627 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:12,627 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:12,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:12,630 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:12,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:12,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:12,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:12,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:12,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:12,631 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:12,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:12,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:12,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:12,632 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:12,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:12,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:12,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:12,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:12,633 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:12,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:12,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:12,634 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:12,676 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:12,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:12,693 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:12,694 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:12,695 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:12,696 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/for_bounded_loop1.c [2019-09-20 13:47:12,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/055ad4b71/506031f28484457e817384dc2956f065/FLAG51dba7754 [2019-09-20 13:47:13,225 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:13,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/for_bounded_loop1.c [2019-09-20 13:47:13,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/055ad4b71/506031f28484457e817384dc2956f065/FLAG51dba7754 [2019-09-20 13:47:13,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/055ad4b71/506031f28484457e817384dc2956f065 [2019-09-20 13:47:13,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:13,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:13,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:13,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:13,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:13,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:13,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c93b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13, skipping insertion in model container [2019-09-20 13:47:13,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:13,610 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:13,626 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:13,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:13,788 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:13,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:13,822 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:13,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13 WrapperNode [2019-09-20 13:47:13,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:13,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:13,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:13,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:13,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:13,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:13,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:13,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:13,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:13,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:13,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:13,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:13,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:13,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:13,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:13,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13" (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 [2019-09-20 13:47:14,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:14,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:14,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:14,001 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:47:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:47:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:14,194 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:14,194 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:47:14,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:14 BoogieIcfgContainer [2019-09-20 13:47:14,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:14,197 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:14,197 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:14,197 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:14,198 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:14" (1/1) ... [2019-09-20 13:47:14,237 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:14,547 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:14,576 INFO L272 AbstractInterpreter]: Visited 29 different actions 141 times. Merged at 12 different actions 36 times. Widened at 1 different actions 1 times. Performed 169 root evaluator evaluations with a maximum evaluation depth of 7. Performed 169 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 7 fixpoints after 2 different actions. Largest state had 8 variables. [2019-09-20 13:47:14,576 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:14,579 INFO L168 Benchmark]: Toolchain (without parser) took 983.61 ms. Allocated memory was 132.1 MB in the beginning and 198.2 MB in the end (delta: 66.1 MB). Free memory was 87.0 MB in the beginning and 145.0 MB in the end (delta: -58.0 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:14,587 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 105.0 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:14,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.06 ms. Allocated memory is still 132.1 MB. Free memory was 86.8 MB in the beginning and 77.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:14,592 INFO L168 Benchmark]: Boogie Preprocessor took 112.81 ms. Allocated memory was 132.1 MB in the beginning and 198.2 MB in the end (delta: 66.1 MB). Free memory was 77.4 MB in the beginning and 175.1 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:14,593 INFO L168 Benchmark]: RCFGBuilder took 259.49 ms. Allocated memory is still 198.2 MB. Free memory was 175.1 MB in the beginning and 163.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:14,594 INFO L168 Benchmark]: Abstract Interpretation took 379.26 ms. Allocated memory is still 198.2 MB. Free memory was 162.4 MB in the beginning and 145.0 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:14,599 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 132.1 MB. Free memory was 105.0 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 228.06 ms. Allocated memory is still 132.1 MB. Free memory was 86.8 MB in the beginning and 77.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.81 ms. Allocated memory was 132.1 MB in the beginning and 198.2 MB in the end (delta: 66.1 MB). Free memory was 77.4 MB in the beginning and 175.1 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 259.49 ms. Allocated memory is still 198.2 MB. Free memory was 175.1 MB in the beginning and 163.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 379.26 ms. Allocated memory is still 198.2 MB. Free memory was 162.4 MB in the beginning and 145.0 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 6]: 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: [L14] int i=0, x=0, y=0; [L15] int n=__VERIFIER_nondet_int(); [L16] COND FALSE !(!(n>0)) [L17] i=0 [L17] COND TRUE i