/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-acceleration/multivar_1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:57:04,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:57:04,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:57:04,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 06:57:04,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 06:57:04,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 06:57:04,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 06:57:04,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 06:57:04,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 06:57:04,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 06:57:04,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 06:57:04,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-11-07 06:57:04,780 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 06:57:04,795 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:57:04,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:57:04,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:57:04,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:57:04,797 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:57:04,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:57:04,798 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:57:04,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:57:04,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:57:04,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:57:04,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:57:04,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:57:04,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:57:04,800 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:57:04,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:57:04,800 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:57:04,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:57:04,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:57:04,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:57:04,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:57:04,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:57:04,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:57:04,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:57:04,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:57:04,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:57:04,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:57:04,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:57:04,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:57:04,804 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 06:57:05,067 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:57:05,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:57:05,083 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:57:05,085 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:57:05,085 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:57:05,086 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/multivar_1-1.c [2019-11-07 06:57:05,146 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/317f81fea/5d9aee89de4a4efca75424260a90a59a/FLAGdd5ec9568 [2019-11-07 06:57:05,588 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:57:05,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/multivar_1-1.c [2019-11-07 06:57:05,597 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/317f81fea/5d9aee89de4a4efca75424260a90a59a/FLAGdd5ec9568 [2019-11-07 06:57:05,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/317f81fea/5d9aee89de4a4efca75424260a90a59a [2019-11-07 06:57:05,994 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:57:05,996 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:57:06,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:06,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:57:06,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:57:06,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:05" (1/1) ... [2019-11-07 06:57:06,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ae6286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:06, skipping insertion in model container [2019-11-07 06:57:06,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:05" (1/1) ... [2019-11-07 06:57:06,017 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:57:06,034 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:57:06,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:06,222 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:57:06,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:06,252 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:57:06,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:06 WrapperNode [2019-11-07 06:57:06,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:06,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:57:06,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:57:06,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:57:06,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:06" (1/1) ... [2019-11-07 06:57:06,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:06" (1/1) ... [2019-11-07 06:57:06,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:06" (1/1) ... [2019-11-07 06:57:06,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:06" (1/1) ... [2019-11-07 06:57:06,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:06" (1/1) ... [2019-11-07 06:57:06,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:06" (1/1) ... [2019-11-07 06:57:06,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:06" (1/1) ... [2019-11-07 06:57:06,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:57:06,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:57:06,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:57:06,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:57:06,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:06" (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 06:57:06,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:57:06,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:57:06,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 06:57:06,434 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:57:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:57:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-07 06:57:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 06:57:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:57:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:57:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:57:06,599 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:57:06,600 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 06:57:06,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:06 BoogieIcfgContainer [2019-11-07 06:57:06,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:57:06,602 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:57:06,602 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:57:06,602 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:57:06,603 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:06" (1/1) ... [2019-11-07 06:57:06,627 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:57:06,696 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-11-07 06:57:06,730 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 06:57:06,749 INFO L272 AbstractInterpreter]: Visited 19 different actions 19 times. Never merged. Never widened. Performed 15 root evaluator evaluations with a maximum evaluation depth of 7. Performed 15 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 6 variables. [2019-11-07 06:57:06,749 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:57:06,753 INFO L168 Benchmark]: Toolchain (without parser) took 755.41 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 102.8 MB in the beginning and 162.7 MB in the end (delta: -59.9 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:06,754 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 06:57:06,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.08 ms. Allocated memory is still 137.9 MB. Free memory was 102.6 MB in the beginning and 93.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:06,757 INFO L168 Benchmark]: Boogie Preprocessor took 111.61 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 93.3 MB in the beginning and 180.5 MB in the end (delta: -87.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:06,758 INFO L168 Benchmark]: RCFGBuilder took 236.32 ms. Allocated memory is still 201.9 MB. Free memory was 180.5 MB in the beginning and 169.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:06,759 INFO L168 Benchmark]: Abstract Interpretation took 147.34 ms. Allocated memory is still 201.9 MB. Free memory was 169.8 MB in the beginning and 162.7 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:06,764 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 253.08 ms. Allocated memory is still 137.9 MB. Free memory was 102.6 MB in the beginning and 93.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.61 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 93.3 MB in the beginning and 180.5 MB in the end (delta: -87.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 236.32 ms. Allocated memory is still 201.9 MB. Free memory was 180.5 MB in the beginning and 169.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 147.34 ms. Allocated memory is still 201.9 MB. Free memory was 169.8 MB in the beginning and 162.7 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 6]: 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: [L12] unsigned int x = __VERIFIER_nondet_uint(); [L13] unsigned int y = x; [L15] COND FALSE !(x < 1024) [L20] CALL __VERIFIER_assert(x == y) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...