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/jm2006_variant.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:46,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:46,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:46,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:47:46,737 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 13:47:46,762 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:46,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:46,763 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:46,764 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:46,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:46,769 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:46,770 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:46,770 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:46,770 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:46,770 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:46,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:46,771 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:46,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:46,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:46,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:46,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:46,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:46,774 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:46,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:46,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:46,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:46,775 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:46,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:46,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:46,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:46,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:46,776 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:46,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:46,777 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:46,777 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:46,804 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:46,817 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:46,820 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:46,821 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:46,822 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:46,822 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/jm2006_variant.i [2019-09-20 13:47:46,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6364c12e/cdcc0177d0c74aad90e93ccd011a94e9/FLAGdebf83583 [2019-09-20 13:47:47,305 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:47,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/jm2006_variant.i [2019-09-20 13:47:47,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6364c12e/cdcc0177d0c74aad90e93ccd011a94e9/FLAGdebf83583 [2019-09-20 13:47:47,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6364c12e/cdcc0177d0c74aad90e93ccd011a94e9 [2019-09-20 13:47:47,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:47,715 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:47,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:47,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:47,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:47,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:47" (1/1) ... [2019-09-20 13:47:47,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a6a066a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:47, skipping insertion in model container [2019-09-20 13:47:47,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:47" (1/1) ... [2019-09-20 13:47:47,735 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:47,752 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:47,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:47,999 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:48,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:48,032 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:48,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:48 WrapperNode [2019-09-20 13:47:48,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:48,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:48,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:48,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:48,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:48" (1/1) ... [2019-09-20 13:47:48,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:48" (1/1) ... [2019-09-20 13:47:48,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:48" (1/1) ... [2019-09-20 13:47:48,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:48" (1/1) ... [2019-09-20 13:47:48,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:48" (1/1) ... [2019-09-20 13:47:48,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:48" (1/1) ... [2019-09-20 13:47:48,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:48" (1/1) ... [2019-09-20 13:47:48,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:48,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:48,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:48,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:48,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:48" (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 13:47:48,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:48,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:48,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:48,219 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:48,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:48,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:47:48,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:48,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:47:48,220 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:48,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:48,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:48,528 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:48,528 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:47:48,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:48 BoogieIcfgContainer [2019-09-20 13:47:48,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:48,530 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:48,531 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:48,531 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:48,532 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:48" (1/1) ... [2019-09-20 13:47:48,576 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:48,888 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:48,908 INFO L272 AbstractInterpreter]: Visited 26 different actions 98 times. Merged at 6 different actions 22 times. Widened at 1 different actions 3 times. Performed 202 root evaluator evaluations with a maximum evaluation depth of 6. Performed 202 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 14 fixpoints after 4 different actions. Largest state had 10 variables. [2019-09-20 13:47:48,908 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:48,914 INFO L168 Benchmark]: Toolchain (without parser) took 1194.65 ms. Allocated memory was 132.6 MB in the beginning and 197.7 MB in the end (delta: 65.0 MB). Free memory was 88.3 MB in the beginning and 146.4 MB in the end (delta: -58.1 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:48,915 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:48,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.52 ms. Allocated memory is still 132.6 MB. Free memory was 88.1 MB in the beginning and 78.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:48,918 INFO L168 Benchmark]: Boogie Preprocessor took 120.18 ms. Allocated memory was 132.6 MB in the beginning and 197.7 MB in the end (delta: 65.0 MB). Free memory was 78.6 MB in the beginning and 174.1 MB in the end (delta: -95.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:48,919 INFO L168 Benchmark]: RCFGBuilder took 376.20 ms. Allocated memory is still 197.7 MB. Free memory was 174.1 MB in the beginning and 161.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:48,920 INFO L168 Benchmark]: Abstract Interpretation took 378.11 ms. Allocated memory is still 197.7 MB. Free memory was 161.7 MB in the beginning and 146.4 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:48,924 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 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 316.52 ms. Allocated memory is still 132.6 MB. Free memory was 88.1 MB in the beginning and 78.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.18 ms. Allocated memory was 132.6 MB in the beginning and 197.7 MB in the end (delta: 65.0 MB). Free memory was 78.6 MB in the beginning and 174.1 MB in the end (delta: -95.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 376.20 ms. Allocated memory is still 197.7 MB. Free memory was 174.1 MB in the beginning and 161.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 378.11 ms. Allocated memory is still 197.7 MB. Free memory was 161.7 MB in the beginning and 146.4 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 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, j; [L12] i = __VERIFIER_nondet_int() [L13] j = __VERIFIER_nondet_int() [L14] COND FALSE !(!(i >= 0 && i <= 1000000)) [L15] COND FALSE !(!(j >= 0)) [L16] int x = i; [L17] int y = j; [L18] int z = 0; [L19] COND FALSE !(x != 0) [L24] COND TRUE i == j [L25] CALL __VERIFIER_assert(y == -z) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...