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-lit/css2003.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:12:59,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:12:59,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:12:59,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:12:59,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:12:59,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:12:59,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:12:59,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:12:59,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:12:59,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:12:59,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:12:59,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-09-11 16:12:59,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:12:59,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:12:59,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:12:59,569 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 16:12:59,585 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:12:59,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:12:59,586 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:12:59,588 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:12:59,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:12:59,589 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:12:59,589 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:12:59,589 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:12:59,589 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:12:59,590 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:12:59,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:12:59,590 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:12:59,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:12:59,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:12:59,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:12:59,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:12:59,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:12:59,593 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:12:59,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:12:59,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:12:59,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:12:59,594 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:12:59,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:12:59,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:12:59,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:12:59,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:12:59,595 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:12:59,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:12:59,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:12:59,596 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:12:59,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:12:59,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:12:59,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:12:59,641 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:12:59,642 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:12:59,642 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/css2003.i [2019-09-11 16:12:59,702 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de25c2311/66bff61a57f64ba8af18d8a241bf8aa5/FLAG8626a53ae [2019-09-11 16:13:00,168 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:13:00,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/css2003.i [2019-09-11 16:13:00,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de25c2311/66bff61a57f64ba8af18d8a241bf8aa5/FLAG8626a53ae [2019-09-11 16:13:00,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de25c2311/66bff61a57f64ba8af18d8a241bf8aa5 [2019-09-11 16:13:00,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:13:00,586 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:13:00,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:13:00,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:13:00,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:13:00,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:13:00" (1/1) ... [2019-09-11 16:13:00,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235d8b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:00, skipping insertion in model container [2019-09-11 16:13:00,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:13:00" (1/1) ... [2019-09-11 16:13:00,603 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:13:00,621 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:13:00,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:13:00,824 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:13:00,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:13:00,866 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:13:00,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:00 WrapperNode [2019-09-11 16:13:00,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:13:00,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:13:00,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:13:00,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:13:00,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:00" (1/1) ... [2019-09-11 16:13:00,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:00" (1/1) ... [2019-09-11 16:13:00,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:00" (1/1) ... [2019-09-11 16:13:00,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:00" (1/1) ... [2019-09-11 16:13:00,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:00" (1/1) ... [2019-09-11 16:13:00,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:00" (1/1) ... [2019-09-11 16:13:00,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:00" (1/1) ... [2019-09-11 16:13:00,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:13:00,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:13:00,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:13:00,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:13:00,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:00" (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 [2019-09-11 16:13:01,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:13:01,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:13:01,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-11 16:13:01,051 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:13:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:13:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 16:13:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-11 16:13:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 16:13:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:13:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:13:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:13:01,218 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:13:01,218 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 16:13:01,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:13:01 BoogieIcfgContainer [2019-09-11 16:13:01,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:13:01,221 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:13:01,221 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:13:01,221 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:13:01,222 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:13:01" (1/1) ... [2019-09-11 16:13:01,250 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:13:01,649 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:13:01,669 INFO L272 AbstractInterpreter]: Visited 22 different actions 107 times. Merged at 5 different actions 22 times. Widened at 1 different actions 3 times. Performed 147 root evaluator evaluations with a maximum evaluation depth of 7. Performed 147 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 4 fixpoints after 2 different actions. Largest state had 5 variables. [2019-09-11 16:13:01,670 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:13:01,673 INFO L168 Benchmark]: Toolchain (without parser) took 1086.31 ms. Allocated memory was 141.6 MB in the beginning and 200.3 MB in the end (delta: 58.7 MB). Free memory was 88.0 MB in the beginning and 132.7 MB in the end (delta: -44.7 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:01,674 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:13:01,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.03 ms. Allocated memory is still 141.6 MB. Free memory was 87.8 MB in the beginning and 78.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:01,677 INFO L168 Benchmark]: Boogie Preprocessor took 124.00 ms. Allocated memory was 141.6 MB in the beginning and 200.3 MB in the end (delta: 58.7 MB). Free memory was 78.6 MB in the beginning and 178.4 MB in the end (delta: -99.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:01,678 INFO L168 Benchmark]: RCFGBuilder took 227.25 ms. Allocated memory is still 200.3 MB. Free memory was 178.4 MB in the beginning and 166.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:01,679 INFO L168 Benchmark]: Abstract Interpretation took 449.40 ms. Allocated memory is still 200.3 MB. Free memory was 166.9 MB in the beginning and 132.7 MB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:01,683 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 141.6 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 281.03 ms. Allocated memory is still 141.6 MB. Free memory was 87.8 MB in the beginning and 78.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.00 ms. Allocated memory was 141.6 MB in the beginning and 200.3 MB in the end (delta: 58.7 MB). Free memory was 78.6 MB in the beginning and 178.4 MB in the end (delta: -99.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 227.25 ms. Allocated memory is still 200.3 MB. Free memory was 178.4 MB in the beginning and 166.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 449.40 ms. Allocated memory is still 200.3 MB. Free memory was 166.9 MB in the beginning and 132.7 MB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 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: [L11] int i,j,k; [L12] i = 1 [L13] j = 1 [L14] k = __VERIFIER_nondet_int() [L15] COND FALSE !(!(0 <= k && k <= 1)) [L16] COND TRUE i < 1000000 [L17] i = i + 1 [L18] j = j + k [L19] k = k - 1 [L20] CALL __VERIFIER_assert(1 <= i + k && i + k <= 2 && i >= 1) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...