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.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 13:35:35,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 13:35:35,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 13:35:35,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 13:35:35,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 13:35:35,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 13:35:35,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 13:35:35,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 13:35:35,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 13:35:35,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 13:35:35,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 13:35:35,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 13:35:35,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 13:35:35,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 13:35:35,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 13:35:35,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 13:35:35,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 13:35:35,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 13:35:35,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 13:35:35,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 13:35:35,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 13:35:35,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 13:35:35,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 13:35:35,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 13:35:35,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 13:35:35,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 13:35:35,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 13:35:35,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 13:35:35,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 13:35:35,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 13:35:35,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 13:35:35,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 13:35:35,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 13:35:35,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 13:35:35,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 13:35:35,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 13:35:35,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 13:35:35,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 13:35:35,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 13:35:35,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 13:35:35,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 13:35:35,576 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 [2019-09-05 13:35:35,605 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 13:35:35,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 13:35:35,606 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-05 13:35:35,606 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-05 13:35:35,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-05 13:35:35,607 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-05 13:35:35,607 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-05 13:35:35,608 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-05 13:35:35,608 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-05 13:35:35,608 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-05 13:35:35,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 13:35:35,611 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 13:35:35,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 13:35:35,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 13:35:35,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 13:35:35,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 13:35:35,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 13:35:35,612 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 13:35:35,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 13:35:35,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 13:35:35,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 13:35:35,613 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-05 13:35:35,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 13:35:35,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 13:35:35,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 13:35:35,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 13:35:35,615 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-05 13:35:35,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 13:35:35,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 13:35:35,615 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-05 13:35:35,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 13:35:35,689 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 13:35:35,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 13:35:35,696 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 13:35:35,696 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 13:35:35,697 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/jm2006.i [2019-09-05 13:35:35,777 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85e698a69/09b8397b286e45878a2e0acaa2da9567/FLAG793cce343 [2019-09-05 13:35:36,243 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 13:35:36,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/jm2006.i [2019-09-05 13:35:36,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85e698a69/09b8397b286e45878a2e0acaa2da9567/FLAG793cce343 [2019-09-05 13:35:36,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85e698a69/09b8397b286e45878a2e0acaa2da9567 [2019-09-05 13:35:36,607 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 13:35:36,609 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 13:35:36,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 13:35:36,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 13:35:36,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 13:35:36,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:35:36" (1/1) ... [2019-09-05 13:35:36,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af94a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:36, skipping insertion in model container [2019-09-05 13:35:36,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:35:36" (1/1) ... [2019-09-05 13:35:36,629 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 13:35:36,647 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 13:35:36,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:35:36,835 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 13:35:36,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:35:36,872 INFO L192 MainTranslator]: Completed translation [2019-09-05 13:35:36,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:36 WrapperNode [2019-09-05 13:35:36,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 13:35:36,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 13:35:36,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 13:35:36,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 13:35:36,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:36" (1/1) ... [2019-09-05 13:35:36,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:36" (1/1) ... [2019-09-05 13:35:36,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:36" (1/1) ... [2019-09-05 13:35:36,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:36" (1/1) ... [2019-09-05 13:35:36,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:36" (1/1) ... [2019-09-05 13:35:36,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:36" (1/1) ... [2019-09-05 13:35:36,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:36" (1/1) ... [2019-09-05 13:35:37,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 13:35:37,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 13:35:37,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 13:35:37,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 13:35:37,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:36" (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 [2019-09-05 13:35:37,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 13:35:37,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 13:35:37,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 13:35:37,060 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 13:35:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 13:35:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 13:35:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 13:35:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 13:35:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 13:35:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 13:35:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 13:35:37,222 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 13:35:37,222 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 13:35:37,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:35:37 BoogieIcfgContainer [2019-09-05 13:35:37,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 13:35:37,224 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-05 13:35:37,224 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-05 13:35:37,224 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-05 13:35:37,225 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:35:37" (1/1) ... [2019-09-05 13:35:37,261 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-05 13:35:37,555 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-05 13:35:37,576 INFO L272 AbstractInterpreter]: Visited 24 different actions 82 times. Merged at 6 different actions 18 times. Widened at 1 different actions 2 times. Performed 159 root evaluator evaluations with a maximum evaluation depth of 6. Performed 159 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 11 fixpoints after 4 different actions. Largest state had 9 variables. [2019-09-05 13:35:37,577 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-05 13:35:37,580 INFO L168 Benchmark]: Toolchain (without parser) took 969.82 ms. Allocated memory was 127.4 MB in the beginning and 197.1 MB in the end (delta: 69.7 MB). Free memory was 83.4 MB in the beginning and 148.2 MB in the end (delta: -64.8 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:37,581 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 127.4 MB. Free memory was 101.5 MB in the beginning and 101.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 13:35:37,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.62 ms. Allocated memory is still 127.4 MB. Free memory was 83.2 MB in the beginning and 73.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:37,584 INFO L168 Benchmark]: Boogie Preprocessor took 131.07 ms. Allocated memory was 127.4 MB in the beginning and 197.1 MB in the end (delta: 69.7 MB). Free memory was 73.9 MB in the beginning and 173.3 MB in the end (delta: -99.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:37,585 INFO L168 Benchmark]: RCFGBuilder took 218.27 ms. Allocated memory is still 197.1 MB. Free memory was 173.3 MB in the beginning and 161.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:37,586 INFO L168 Benchmark]: Abstract Interpretation took 352.82 ms. Allocated memory is still 197.1 MB. Free memory was 161.2 MB in the beginning and 148.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:37,590 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 127.4 MB. Free memory was 101.5 MB in the beginning and 101.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 260.62 ms. Allocated memory is still 127.4 MB. Free memory was 83.2 MB in the beginning and 73.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.07 ms. Allocated memory was 127.4 MB in the beginning and 197.1 MB in the end (delta: 69.7 MB). Free memory was 73.9 MB in the beginning and 173.3 MB in the end (delta: -99.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 218.27 ms. Allocated memory is still 197.1 MB. Free memory was 173.3 MB in the beginning and 161.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 352.82 ms. Allocated memory is still 197.1 MB. Free memory was 161.2 MB in the beginning and 148.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 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 && j >= 0)) [L15] int x = i; [L16] int y = j; [L17] COND FALSE !(x != 0) [L21] COND TRUE i == j [L22] CALL __VERIFIER_assert(y == 0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...