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/const.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:28:02,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:28:02,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:28:02,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-16 17:28:02,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:28:02,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:28:02,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:28:02,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:28:02,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:28:02,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:28:02,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:28:02,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:28:02,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:28:02,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:28:02,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:28:02,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:28:02,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:28:02,621 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 [2019-09-16 17:28:02,637 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:28:02,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:28:02,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:28:02,638 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:28:02,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:28:02,639 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:28:02,639 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:28:02,639 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:28:02,639 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:28:02,639 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:28:02,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:28:02,640 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:28:02,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:28:02,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:28:02,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:28:02,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:28:02,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:28:02,642 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:28:02,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:28:02,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:28:02,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:28:02,642 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:28:02,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:28:02,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:28:02,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:28:02,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:28:02,643 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:28:02,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:28:02,644 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:28:02,644 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:28:02,672 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:28:02,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:28:02,697 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:28:02,703 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:28:02,706 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:28:02,707 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invariants/const.c [2019-09-16 17:28:02,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e4620560/5d4f192350974452a916f87bed661a02/FLAGcc1155599 [2019-09-16 17:28:03,225 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:28:03,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/const.c [2019-09-16 17:28:03,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e4620560/5d4f192350974452a916f87bed661a02/FLAGcc1155599 [2019-09-16 17:28:03,593 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e4620560/5d4f192350974452a916f87bed661a02 [2019-09-16 17:28:03,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:28:03,606 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:28:03,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:28:03,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:28:03,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:28:03,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:28:03" (1/1) ... [2019-09-16 17:28:03,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@720d63a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:03, skipping insertion in model container [2019-09-16 17:28:03,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:28:03" (1/1) ... [2019-09-16 17:28:03,628 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:28:03,646 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:28:03,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:28:03,828 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:28:03,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:28:03,865 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:28:03,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:03 WrapperNode [2019-09-16 17:28:03,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:28:03,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:28:03,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:28:03,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:28:03,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:03" (1/1) ... [2019-09-16 17:28:03,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:03" (1/1) ... [2019-09-16 17:28:03,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:03" (1/1) ... [2019-09-16 17:28:03,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:03" (1/1) ... [2019-09-16 17:28:03,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:03" (1/1) ... [2019-09-16 17:28:03,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:03" (1/1) ... [2019-09-16 17:28:03,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:03" (1/1) ... [2019-09-16 17:28:03,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:28:03,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:28:03,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:28:03,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:28:03,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:03" (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 [2019-09-16 17:28:04,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:28:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:28:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 17:28:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:28:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:28:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-16 17:28:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:28:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:28:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:28:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:28:04,202 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:28:04,202 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-16 17:28:04,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:28:04 BoogieIcfgContainer [2019-09-16 17:28:04,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:28:04,204 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:28:04,204 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:28:04,205 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:28:04,206 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:28:04" (1/1) ... [2019-09-16 17:28:04,236 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:28:04,379 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-16 17:28:04,536 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-16 17:28:04,556 INFO L272 AbstractInterpreter]: Visited 24 different actions 104 times. Merged at 8 different actions 30 times. Widened at 1 different actions 2 times. Performed 135 root evaluator evaluations with a maximum evaluation depth of 6. Performed 135 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 15 fixpoints after 4 different actions. Largest state had 5 variables. [2019-09-16 17:28:04,557 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:28:04,560 INFO L168 Benchmark]: Toolchain (without parser) took 952.94 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 89.8 MB in the beginning and 150.9 MB in the end (delta: -61.1 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:04,561 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:28:04,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.27 ms. Allocated memory is still 133.2 MB. Free memory was 89.6 MB in the beginning and 80.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:04,564 INFO L168 Benchmark]: Boogie Preprocessor took 115.09 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 80.4 MB in the beginning and 177.3 MB in the end (delta: -96.9 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:04,565 INFO L168 Benchmark]: RCFGBuilder took 221.68 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 165.9 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:04,566 INFO L168 Benchmark]: Abstract Interpretation took 352.51 ms. Allocated memory is still 200.3 MB. Free memory was 165.9 MB in the beginning and 150.9 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:04,570 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 257.27 ms. Allocated memory is still 133.2 MB. Free memory was 89.6 MB in the beginning and 80.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.09 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 80.4 MB in the beginning and 177.3 MB in the end (delta: -96.9 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 221.68 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 165.9 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 352.51 ms. Allocated memory is still 200.3 MB. Free memory was 165.9 MB in the beginning and 150.9 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 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 s = 0; [L11] COND TRUE __VERIFIER_nondet_uint() [L12] COND TRUE s != 0 [L13] ++s [L15] COND TRUE __VERIFIER_nondet_uint() [L16] CALL __VERIFIER_assert(s == 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...