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/lu.cmp.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:12,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:12,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:12,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:47:12,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:47:12,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:47:12,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:47:12,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:47:12,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:47:12,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:47:12,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:47:12,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:47:12,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:12,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:12,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:12,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:12,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:12,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:12,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:12,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:12,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:12,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:12,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:12,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:12,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:12,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:47:12,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:47:12,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:47:12,672 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 13:47:12,686 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:12,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:12,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:12,687 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:12,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:12,688 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:12,688 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:12,688 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:12,689 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:12,689 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:12,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:12,690 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:12,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:12,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:12,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:12,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:12,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:12,691 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:12,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:12,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:12,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:12,692 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:12,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:12,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:12,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:12,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:12,693 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:12,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:12,694 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:12,694 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:12,722 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:12,735 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:12,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:12,740 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:12,741 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:12,742 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/lu.cmp.c [2019-09-20 13:47:12,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cd19a09a/aa2645643a20400e950af1ab6a817249/FLAG14fd62ed3 [2019-09-20 13:47:13,294 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:13,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/lu.cmp.c [2019-09-20 13:47:13,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cd19a09a/aa2645643a20400e950af1ab6a817249/FLAG14fd62ed3 [2019-09-20 13:47:13,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cd19a09a/aa2645643a20400e950af1ab6a817249 [2019-09-20 13:47:13,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:13,694 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:13,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:13,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:13,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:13,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:13,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f77762e 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 13:47:13,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:13,709 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:13,746 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:13,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:14,192 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:14,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:14,393 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:14,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:14 WrapperNode [2019-09-20 13:47:14,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:14,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:14,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:14,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:14,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:14" (1/1) ... [2019-09-20 13:47:14,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:14" (1/1) ... [2019-09-20 13:47:14,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:14" (1/1) ... [2019-09-20 13:47:14,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:14" (1/1) ... [2019-09-20 13:47:14,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:14" (1/1) ... [2019-09-20 13:47:14,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:14" (1/1) ... [2019-09-20 13:47:14,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:14" (1/1) ... [2019-09-20 13:47:14,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:14,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:14,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:14,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:14,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:14" (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 13:47:14,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:14,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:14,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:14,667 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2019-09-20 13:47:14,668 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:14,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2019-09-20 13:47:14,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:14,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:14,668 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2019-09-20 13:47:14,669 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2019-09-20 13:47:14,669 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:14,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-20 13:47:14,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-20 13:47:14,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:47:14,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:47:14,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:14,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-09-20 13:47:14,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:17,322 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:17,322 INFO L283 CfgBuilder]: Removed 11 assume(true) statements. [2019-09-20 13:47:17,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:17 BoogieIcfgContainer [2019-09-20 13:47:17,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:17,325 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:17,325 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:17,325 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:17,326 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:17" (1/1) ... [2019-09-20 13:47:17,393 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:17,465 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:47:17,471 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 15 root evaluator evaluations with a maximum evaluation depth of 0. Performed 15 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 24 variables. [2019-09-20 13:47:17,472 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:17,475 INFO L168 Benchmark]: Toolchain (without parser) took 3779.73 ms. Allocated memory was 129.5 MB in the beginning and 381.7 MB in the end (delta: 252.2 MB). Free memory was 85.3 MB in the beginning and 300.0 MB in the end (delta: -214.6 MB). Peak memory consumption was 37.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:17,476 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 129.5 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:17,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.25 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 85.1 MB in the beginning and 142.4 MB in the end (delta: -57.3 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:17,478 INFO L168 Benchmark]: Boogie Preprocessor took 201.91 ms. Allocated memory is still 197.7 MB. Free memory was 142.4 MB in the beginning and 125.5 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:17,479 INFO L168 Benchmark]: RCFGBuilder took 2726.90 ms. Allocated memory was 197.7 MB in the beginning and 381.7 MB in the end (delta: 184.0 MB). Free memory was 125.5 MB in the beginning and 304.9 MB in the end (delta: -179.3 MB). Peak memory consumption was 143.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:17,480 INFO L168 Benchmark]: Abstract Interpretation took 146.98 ms. Allocated memory is still 381.7 MB. Free memory was 304.9 MB in the beginning and 300.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:17,484 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 129.5 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 700.25 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 85.1 MB in the beginning and 142.4 MB in the end (delta: -57.3 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 201.91 ms. Allocated memory is still 197.7 MB. Free memory was 142.4 MB in the beginning and 125.5 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2726.90 ms. Allocated memory was 197.7 MB in the beginning and 381.7 MB in the end (delta: 184.0 MB). Free memory was 125.5 MB in the beginning and 304.9 MB in the end (delta: -179.3 MB). Peak memory consumption was 143.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 146.98 ms. Allocated memory is still 381.7 MB. Free memory was 304.9 MB in the beginning and 300.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate proved your program to be correct! Received shutdown request...