/usr/bin/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loop-lit/mcmillan2006.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:57:57,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:57:57,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:57:57,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 06:57:57,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 06:57:57,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 06:57:57,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 06:57:57,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 06:57:57,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 06:57:57,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 06:57:57,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 06:57:57,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 06:57:57,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 06:57:57,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 06:57:57,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 06:57:57,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 06:57:57,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 06:57:57,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 06:57:57,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 06:57:57,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 06:57:57,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 06:57:57,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 06:57:57,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 06:57:57,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 06:57:57,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 06:57:57,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 06:57:57,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 06:57:57,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 06:57:57,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 06:57:57,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 06:57:57,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 06:57:57,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 06:57:57,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 06:57:57,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 06:57:57,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 06:57:57,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 06:57:57,885 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 06:57:57,910 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:57:57,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:57:57,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:57:57,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:57:57,912 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:57:57,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:57:57,912 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:57:57,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:57:57,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:57:57,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:57:57,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:57:57,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:57:57,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:57:57,914 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:57:57,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:57:57,914 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:57:57,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:57:57,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:57:57,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:57:57,915 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:57:57,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:57:57,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:57:57,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:57:57,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:57:57,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:57:57,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:57:57,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:57:57,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:57:57,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 06:57:58,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:57:58,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:57:58,241 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:57:58,242 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:57:58,243 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:57:58,244 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/mcmillan2006.i [2019-11-07 06:57:58,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c2a4d5e8/cbb9c7fb58f14f3cbe3b6d3bb9639160/FLAGeed81e646 [2019-11-07 06:57:58,788 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:57:58,789 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/mcmillan2006.i [2019-11-07 06:57:58,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c2a4d5e8/cbb9c7fb58f14f3cbe3b6d3bb9639160/FLAGeed81e646 [2019-11-07 06:57:59,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c2a4d5e8/cbb9c7fb58f14f3cbe3b6d3bb9639160 [2019-11-07 06:57:59,198 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:57:59,199 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:57:59,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:59,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:57:59,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:57:59,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:59" (1/1) ... [2019-11-07 06:57:59,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e0aaeb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:59, skipping insertion in model container [2019-11-07 06:57:59,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:59" (1/1) ... [2019-11-07 06:57:59,218 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:57:59,235 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:57:59,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:59,408 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:57:59,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:59,440 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:57:59,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:59 WrapperNode [2019-11-07 06:57:59,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:59,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:57:59,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:57:59,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:57:59,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:59" (1/1) ... [2019-11-07 06:57:59,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:59" (1/1) ... [2019-11-07 06:57:59,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:59" (1/1) ... [2019-11-07 06:57:59,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:59" (1/1) ... [2019-11-07 06:57:59,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:59" (1/1) ... [2019-11-07 06:57:59,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:59" (1/1) ... [2019-11-07 06:57:59,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:59" (1/1) ... [2019-11-07 06:57:59,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:57:59,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:57:59,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:57:59,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:57:59,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:59" (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 [2019-11-07 06:57:59,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:57:59,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:57:59,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 06:57:59,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:57:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 06:57:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:57:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 06:57:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 06:57:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 06:57:59,640 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:57:59,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 06:57:59,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 06:57:59,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 06:57:59,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:57:59,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:57:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 06:57:59,892 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:57:59,898 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-11-07 06:57:59,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:59 BoogieIcfgContainer [2019-11-07 06:57:59,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:57:59,900 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:57:59,900 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:57:59,903 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:57:59,904 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:59" (1/1) ... [2019-11-07 06:57:59,947 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:58:00,030 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 06:58:00,038 INFO L272 AbstractInterpreter]: Visited 11 different actions 11 times. Never merged. Never widened. Performed 21 root evaluator evaluations with a maximum evaluation depth of 4. Performed 21 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Never found a fixpoint. Largest state had 24 variables. [2019-11-07 06:58:00,038 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:58:00,041 INFO L168 Benchmark]: Toolchain (without parser) took 840.73 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.0 MB in the beginning and 160.3 MB in the end (delta: -59.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 06:58:00,042 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 144.7 MB. Free memory is still 119.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 06:58:00,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.23 ms. Allocated memory is still 144.7 MB. Free memory was 100.5 MB in the beginning and 90.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:00,044 INFO L168 Benchmark]: Boogie Preprocessor took 129.17 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 90.8 MB in the beginning and 180.0 MB in the end (delta: -89.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:00,045 INFO L168 Benchmark]: RCFGBuilder took 329.05 ms. Allocated memory is still 202.4 MB. Free memory was 180.0 MB in the beginning and 166.0 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:00,046 INFO L168 Benchmark]: Abstract Interpretation took 138.09 ms. Allocated memory is still 202.4 MB. Free memory was 166.0 MB in the beginning and 160.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:00,051 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 144.7 MB. Free memory is still 119.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 238.23 ms. Allocated memory is still 144.7 MB. Free memory was 100.5 MB in the beginning and 90.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.17 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 90.8 MB in the beginning and 180.0 MB in the end (delta: -89.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 329.05 ms. Allocated memory is still 202.4 MB. Free memory was 180.0 MB in the beginning and 166.0 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 138.09 ms. Allocated memory is still 202.4 MB. Free memory was 166.0 MB in the beginning and 160.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 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: 6]: 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...